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2018-08-09 16:17:49 +08:00
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*.iml
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.DS_Store
/build
/captures
.externalNativeBuild

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language: android
jdk: oraclejdk8
before_install:
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env:
global:
- ANDROID_API_LEVEL=27
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android:
components:
# The BuildTools version used by your project
- tools
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- build-tools-$ANDROID_BUILD_TOOLS_VERSION
- extra-android-m2repository
- extra-google-android-support
# The SDK version used to compile your project
- android-$ANDROID_API_LEVEL
licenses:
- '.+'
script:
- ./gradlew clean
- ./gradlew assembleDebug

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# ZXingLite
![Image](app/src/main/ic_launcher-web.png)
[![Download](https://img.shields.io/badge/download-App-blue.svg)](https://raw.githubusercontent.com/jenly1314/ZXingLite/master/app/release/app-release.apk)
[![](https://jitpack.io/v/jenly1314/ZXingLite.svg)](https://jitpack.io/#jenly1314/ZXingLite)
[![CI](https://travis-ci.org/jenly1314/ZXingLite.svg?branch=master)](https://travis-ci.org/jenly1314/ZXingLite)
[![API](https://img.shields.io/badge/API-15%2B-blue.svg?style=flat)](https://android-arsenal.com/api?level=15)
[![License](https://img.shields.io/badge/license-Apche%202.0-blue.svg)](http://www.apache.org/licenses/LICENSE-2.0)
[![Blog](https://img.shields.io/badge/blog-Jenly-9933CC.svg)](http://blog.csdn.net/jenly121)
ZXingLite for Android 是ZXing的精简版，优化扫码和生成二维码功能，扫码界面支持完全自定义，让集成更简单。
## Gif 展示
![Image](GIF.gif)
## ViewfinderView属性说明
| 属性 | 值类型 | 默认值 | 说明 |
| :------| :------ | :------ | :------ |
| maskColor | color |<font color=#000000>#60000000</font>| 扫描区外遮罩的颜色 |
| frameColor | color |<font color=#1FB3E2>#7F1FB3E2</font>| 扫描区边框的颜色 |
| cornerColor | color |<font color=#1FB3E2>#FF1FB3E2</font>| 扫描区边角的颜色 |
| laserColor | color |<font color=#1FB3E2>#FF1FB3E2</font>| 扫描区激光线的颜色 |
| resultPointColor | color |<font color=#EFBD21>#C0EFBD21</font>| 扫描区结果点的颜色 |
| text | string || 扫描提示文本信息 |
| textColor | color |<font color=#C0C0C0>#FFC0C0C0</font>| 提示文本字体颜色 |
| textSize | dimension |14sp| 提示文本字体大小 |
| textPadding | dimension |24dp| 提示文本距离扫描区的间距 |
| textLocation | enum |top| 提示文本信息显示的位置 |
## 引入
### Maven：
```maven
<dependency>
<groupId>com.king.zxing</groupId>
<artifactId>zxing-lite</artifactId>
<version>1.0.0</version>
<type>pom</type>
</dependency>
```
### Gradle:
```gradle
implementation 'com.king.zxing:zxing-lite:1.0.0'
```
### Lvy:
```lvy
<dependency org='com.king.zxing' name='zxing-lite' rev='1.0.0'>
<artifact name='$AID' ext='pom'></artifact>
</dependency>
```
###### 如果Gradle出现compile失败的情况，可以在Project的build.gradle里面添加如下：（也可以使用上面的GitPack来complie）
```gradle
allprojects {
repositories {
maven { url 'https://dl.bintray.com/jenly/maven' }
}
}
```
## 引入的库：
```gradle
compileOnly 'com.android.support:appcompat-v7:27.1.1'
api 'com.com.google.zxing:core:3.3.3'
```
## 示例
布局示例 （可自定义布局，布局内至少要保证有SurfaceView和ViewfinderView，控件id可根据重写CaptureActivity 的 getPreviewViewId 和 getViewFinderViewId方法自定义）
```Xml
<merge xmlns:android="http://schemas.android.com/apk/res/android">
<SurfaceView
android:id="@+id/preview_view"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
<com.king.zxing.ViewfinderView
android:id="@+id/viewfinder_view"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</merge>
```
代码示例 （二维码/条形码）
```Java
//生成二维码
CodeUtils.createQRCode(content,600,logo);
//生成条形码
CodeUtils.createBarCode(content, BarcodeFormat.CODE_128,800,200);
```
更多使用详情，请查看[app](app)中的源码使用示例
## 关于我
Name: <a title="关于作者" href="https://about.me/jenly1314" target="_blank">Jenly</a>
Email: <a title="欢迎邮件与我交流" href="mailto:jenly1314@gmail.com" target="_blank">jenly1314#gmail.com</a> / <a title="给我发邮件" href="mailto:jenly1314@vip.qq.com" target="_blank">jenly1314#vip.qq.com</a>
CSDN: <a title="CSDN博客" href="http://blog.csdn.net/jenly121" target="_blank">jenly121</a>
Github: <a title="Github开源项目" href="https://github.com/jenly1314" target="_blank">jenly1314</a>
微信公众号:
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app/.gitignore vendored Normal file
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/build

36
app/build.gradle Normal file
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apply plugin: 'com.android.application'
android {
compileSdkVersion build_versions.compileSdk
buildToolsVersion build_versions.buildTools
defaultConfig {
applicationId "com.king.zxing.app"
minSdkVersion build_versions.minSdk
targetSdkVersion build_versions.targetSdk
versionCode app_version.versionCode
versionName app_version.versionName
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
testImplementation deps.test.junit
androidTestImplementation deps.test.runner
androidTestImplementation deps.test.espresso
//support
implementation deps.support.design
implementation deps.support.appcompat
implementation deps.support.constraintlayout
implementation deps.easypermissions
implementation project(':lib')
}

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# Add project specific ProGuard rules here.
# You can control the set of applied configuration files using the
# proguardFiles setting in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
# Uncomment this to preserve the line number information for
# debugging stack traces.
#-keepattributes SourceFile,LineNumberTable
# If you keep the line number information, uncomment this to
# hide the original source file name.
#-renamesourcefileattribute SourceFile

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[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":1,"versionName":"1.0.0","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]

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app/src/androidTest/java/com/king/zxing/app/ExampleInstrumentedTest.java Normal file
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package com.king.zxing.app;
import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.*;
/**
* Instrumented test, which will execute on an Android device.
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {
@Test
public void useAppContext() {
// Context of the app under test.
Context appContext = InstrumentationRegistry.getTargetContext();
assertEquals("com.king.zxing.app", appContext.getPackageName());
}
}

31
app/src/main/AndroidManifest.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.king.zxing.app">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity"
android:screenOrientation="portrait">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<activity
android:name=".EasyCaptureActivity"
android:screenOrientation="portrait"/>
<activity
android:name=".CustomCaptureActivity"
android:screenOrientation="portrait"/>
<activity
android:name=".CodeActivity"
android:screenOrientation="portrait"/>
</application>
</manifest>

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85
app/src/main/java/com/king/zxing/app/CodeActivity.java Normal file
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/*
* Copyright (C) 2018 Jenly Yu
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.king.zxing.app;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import com.google.zxing.BarcodeFormat;
import com.king.zxing.util.CodeUtils;
/**
* @author Jenly <a href="mailto:jenly1314@gmail.com">Jenly</a>
*/
public class CodeActivity extends AppCompatActivity {
private TextView tvTitle;
private ImageView ivCode;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.code_activity);
ivCode = findViewById(R.id.ivCode);
tvTitle = findViewById(R.id.tvTitle);
tvTitle.setText(getIntent().getStringExtra(MainActivity.KEY_TITLE));
boolean isQRCode = getIntent().getBooleanExtra(MainActivity.KEY_IS_QR_CODE,false);
if(isQRCode){
createQRCode(getString(R.string.app_name));
}else{
createBarCode(getString(R.string.app_name));
}
}
/**
* 生成二维码
* @param content
*/
private void createQRCode(String content){
//生成二维码最好放子线程生成防止阻塞UI，这里只是演示
Bitmap logo = BitmapFactory.decodeResource(getResources(),R.mipmap.ic_launcher);
Bitmap bitmap = CodeUtils.createQRCode(content,600,logo);
//显示二维码
ivCode.setImageBitmap(bitmap);
}
/**
* 生成条形码
* @param content
*/
private void createBarCode(String content){
//生成条形码最好放子线程生成防止阻塞UI，这里只是演示
Bitmap bitmap = CodeUtils.createBarCode(content, BarcodeFormat.CODE_128,800,200);
//显示条形码
ivCode.setImageBitmap(bitmap);
}
public void OnClick(View v){
switch (v.getId()){
case R.id.ivLeft:
onBackPressed();
break;
}
}
}

85
app/src/main/java/com/king/zxing/app/CustomCaptureActivity.java Normal file
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/*
* Copyright (C) 2018 Jenly Yu
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.king.zxing.app;
import android.hardware.Camera;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.widget.TextView;
import com.king.zxing.CaptureActivity;
import com.king.zxing.app.util.StatusBarUtils;
/**
* @author Jenly <a href="mailto:jenly1314@gmail.com">Jenly</a>
*/
public class CustomCaptureActivity extends CaptureActivity {
@Override
public int getLayoutId() {
return R.layout.custom_capture_activity;
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Toolbar toolbar = findViewById(R.id.toolbar);
StatusBarUtils.immersiveStatusBar(this,toolbar,0.2f);
TextView tvTitle = findViewById(R.id.tvTitle);
tvTitle.setText(getIntent().getStringExtra(MainActivity.KEY_TITLE));
getBeepManager().setPlayBeep(true);
getBeepManager().setVibrate(true);
}
private void offFlash(){
Camera camera = getCameraManager().getOpenCamera().getCamera();
Camera.Parameters parameters = camera.getParameters();
parameters.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
camera.setParameters(parameters);
}
public void openFlash(){
Camera camera = getCameraManager().getOpenCamera().getCamera();
Camera.Parameters parameters = camera.getParameters();
parameters.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
camera.setParameters(parameters);
}
private void clickFlash(View v){
if(v.isSelected()){
offFlash();
v.setSelected(false);
}else{
openFlash();
v.setSelected(true);
}
}
public void OnClick(View v){
switch (v.getId()){
case R.id.ivLeft:
onBackPressed();
break;
case R.id.ivFlash:
clickFlash(v);
break;
}
}
}

54
app/src/main/java/com/king/zxing/app/EasyCaptureActivity.java Normal file
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/*
* Copyright (C) 2018 Jenly Yu
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.king.zxing.app;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.widget.TextView;
import com.king.zxing.CaptureActivity;
import com.king.zxing.app.util.StatusBarUtils;
/**
* @author Jenly <a href="mailto:jenly1314@gmail.com">Jenly</a>
*/
public class EasyCaptureActivity extends CaptureActivity {
@Override
public int getLayoutId() {
return R.layout.easy_capture_activity;
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Toolbar toolbar = findViewById(R.id.toolbar);
StatusBarUtils.immersiveStatusBar(this,toolbar,0.2f);
TextView tvTitle = findViewById(R.id.tvTitle);
tvTitle.setText(getIntent().getStringExtra(MainActivity.KEY_TITLE));
}
public void OnClick(View v){
switch (v.getId()){
case R.id.ivLeft:
onBackPressed();
break;
}
}
}

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app/src/main/java/com/king/zxing/app/MainActivity.java Normal file
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/*
* Copyright (C) 2018 Jenly Yu
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.king.zxing.app;
import android.Manifest;
import android.content.Intent;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.ActivityOptionsCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import com.king.zxing.CaptureActivity;
import com.king.zxing.Intents;
import java.util.List;
import pub.devrel.easypermissions.AfterPermissionGranted;
import pub.devrel.easypermissions.EasyPermissions;
public class MainActivity extends AppCompatActivity implements EasyPermissions.PermissionCallbacks{
public static final String KEY_TITLE = "key_title";
public static final String KEY_IS_QR_CODE = "key_code";
public static final int REQUEST_CODE = 0X01;
public static final int RC_CAMERA = 0X01;
private Class<?> cls;
private String title;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(resultCode == RESULT_OK){
if(data!=null){
//识别结果
String result = data.getStringExtra(Intents.Scan.RESULT);
Toast.makeText(this,result,Toast.LENGTH_SHORT).show();
}
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
// Forward results to EasyPermissions
EasyPermissions.onRequestPermissionsResult(requestCode, permissions, grantResults, this);
}
@Override
public void onPermissionsGranted(int requestCode, List<String> list) {
// Some permissions have been granted
startScan(cls,title);
}
@Override
public void onPermissionsDenied(int requestCode, List<String> list) {
// Some permissions have been denied
// ...
}
/**
* 检测拍摄权限
* @param cls
* @param title
*/
@AfterPermissionGranted(RC_CAMERA)
private void checkCameraPermissions(Class<?> cls,String title){
this.cls = cls;
this.title = title;
String[] perms = {Manifest.permission.CAMERA};
if (EasyPermissions.hasPermissions(this, perms)) {//有权限
startScan(cls,title);
} else {
// Do not have permissions, request them now
EasyPermissions.requestPermissions(this, getString(R.string.permission_camera),
RC_CAMERA, perms);
}
}
/**
* 扫码
* @param cls
* @param title
*/
private void startScan(Class<?> cls,String title){
ActivityOptionsCompat optionsCompat = ActivityOptionsCompat.makeCustomAnimation(this,R.anim.in,R.anim.out);
Intent intent = new Intent(this, cls);
intent.putExtra(KEY_TITLE,title);
ActivityCompat.startActivityForResult(this,intent,REQUEST_CODE,optionsCompat.toBundle());
}
/**
* 生成二维码/条形码
* @param isQRCode
*/
private void startCode(boolean isQRCode){
Intent intent = new Intent(this,CodeActivity.class);
intent.putExtra(KEY_IS_QR_CODE,isQRCode);
intent.putExtra(KEY_TITLE,isQRCode ? getString(R.string.qr_code) : getString(R.string.bar_code));
startActivity(intent);
}
public void OnClick(View v){
switch (v.getId()){
case R.id.btn1:
checkCameraPermissions(CaptureActivity.class, ((Button)v).getText().toString());
break;
case R.id.btn2:
checkCameraPermissions(EasyCaptureActivity.class,((Button)v).getText().toString());
break;
case R.id.btn3:
checkCameraPermissions(CustomCaptureActivity.class,((Button)v).getText().toString());
break;
case R.id.btn4:
startCode(false);
break;
case R.id.btn5:
startCode(true);
break;
}
}
}

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app/src/main/java/com/king/zxing/app/util/StatusBarUtils.java Normal file
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/*
* Copyright (C) 2018 Jenly Yu
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.king.zxing.app.util;
import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.os.Build;
import android.support.annotation.ColorInt;
import android.support.annotation.FloatRange;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.LinearLayout;
import com.king.zxing.app.R;
/**
* @author Jenly <a href="mailto:jenly1314@gmail.com">Jenly</a>
*/
public enum StatusBarUtils {
INSTANCE;
public static void immersiveStatusBar(Activity activity,Toolbar toolbar) {
immersiveStatusBar(activity,toolbar,0.0f);
}
public static void immersiveStatusBar(Activity activity,Toolbar toolbar,@FloatRange(from = 0.0, to = 1.0) float alpha) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
Window window = activity.getWindow();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
window.setStatusBarColor(Color.TRANSPARENT);
window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
} else {
window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
}
ViewGroup decorView = (ViewGroup) window.getDecorView();
ViewGroup contentView = window.getDecorView().findViewById(Window.ID_ANDROID_CONTENT);
View rootView = contentView.getChildAt(0);
if (rootView != null) {
rootView.setFitsSystemWindows(false);
}
if(toolbar!=null){
toolbar.setPadding(0,getStatusBarHeight(activity),0,0);
}
decorView.addView(createStatusBarView(activity,alpha));
}
private static View createStatusBarView(Activity activity,@FloatRange(from = 0.0, to = 1.0) float alpha) {
// 绘制一个和状态栏一样高的矩形
View statusBarView = new View(activity);
LinearLayout.LayoutParams params =
new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, getStatusBarHeight(activity));
statusBarView.setLayoutParams(params);
statusBarView.setBackgroundColor(Color.argb((int) (alpha * 255), 0, 0, 0));
statusBarView.setId(R.id.translucent_view);
return statusBarView;
}
/** 获取状态栏高度 */
public static int getStatusBarHeight(Context context) {
return context.getResources().getDimensionPixelSize(R.dimen.status_bar_height);
}
}

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app/src/main/res/anim/in.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<alpha xmlns:android="http://schemas.android.com/apk/res/android"
android:fromAlpha="0.2"
android:toAlpha="1.0"
android:duration="200" />

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app/src/main/res/anim/out.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<alpha xmlns:android="http://schemas.android.com/apk/res/android"
android:fromAlpha="1.0"
android:toAlpha="0.0"
android:duration="200" />

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app/src/main/res/drawable-v24/ic_launcher_foreground.xml Normal file
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:aapt="http://schemas.android.com/aapt"
android:width="108dp"
android:height="108dp"
android:viewportHeight="108"
android:viewportWidth="108">
<path
android:fillType="evenOdd"
android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
android:strokeColor="#00000000"
android:strokeWidth="1">
<aapt:attr name="android:fillColor">
<gradient
android:endX="78.5885"
android:endY="90.9159"
android:startX="48.7653"
android:startY="61.0927"
android:type="linear">
<item
android:color="#44000000"
android:offset="0.0"/>
<item
android:color="#00000000"
android:offset="1.0"/>
</gradient>
</aapt:attr>
</path>
<path
android:fillColor="#FFFFFF"
android:fillType="nonZero"
android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
android:strokeColor="#00000000"
android:strokeWidth="1"/>
</vector>

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app/src/main/res/drawable/btn_back_selector.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true" android:drawable="@drawable/btn_back_pressed"/>
<item android:state_pressed="false" android:drawable="@drawable/btn_back_normal"/>
</selector>

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app/src/main/res/drawable/flash_selected_selector.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_selected="true" android:drawable="@drawable/flash_on"/>
<item android:state_selected="false" android:drawable="@drawable/flash_off"/>
</selector>

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app/src/main/res/drawable/ic_launcher_background.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<vector
xmlns:android="http://schemas.android.com/apk/res/android"
android:width="108dp"
android:height="108dp"
android:viewportHeight="108"
android:viewportWidth="108">
<path
android:fillColor="#26A69A"
android:pathData="M0,0h108v108h-108z"/>
<path
android:fillColor="#00000000"
android:pathData="M9,0L9,108"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
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android:fillColor="#00000000"
android:pathData="M19,0L19,108"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M29,0L29,108"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M39,0L39,108"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M49,0L49,108"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M59,0L59,108"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M69,0L69,108"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M79,0L79,108"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M89,0L89,108"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M99,0L99,108"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M0,9L108,9"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M0,19L108,19"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M0,29L108,29"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M0,39L108,39"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M0,49L108,49"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M0,59L108,59"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
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android:fillColor="#00000000"
android:pathData="M0,69L108,69"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
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android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
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android:fillColor="#00000000"
android:pathData="M0,89L108,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
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android:fillColor="#00000000"
android:pathData="M0,99L108,99"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
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android:fillColor="#00000000"
android:pathData="M19,29L89,29"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
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android:pathData="M19,39L89,39"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
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android:fillColor="#00000000"
android:pathData="M19,49L89,49"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
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android:fillColor="#00000000"
android:pathData="M19,59L89,59"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
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android:fillColor="#00000000"
android:pathData="M19,69L89,69"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M19,79L89,79"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M29,19L29,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M39,19L39,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M49,19L49,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M59,19L59,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M69,19L69,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
<path
android:fillColor="#00000000"
android:pathData="M79,19L79,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8"/>
</vector>

101
app/src/main/res/layout/activity_main.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:background="@color/colorPrimary"
android:layout_height="wrap_content"
app:contentInsetLeft="0dp"
app:contentInsetStart="0dp">
<TextView
android:id="@+id/tvTitle"
android:layout_width="match_parent"
android:layout_height="@dimen/title_height"
android:gravity="center"
android:singleLine="true"
android:textSize="@dimen/size_18sp"
android:textColor="@color/white"
android:layout_gravity="center_horizontal"
android:text="@string/app_name"/>
</android.support.v7.widget.Toolbar>
<android.support.constraint.Guideline
android:id="@+id/line"
android:orientation="horizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="@+id/toolbar"
app:layout_constraintGuide_percent="0.2"/>
<Button
android:id="@+id/btn1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="6dp"
android:layout_marginBottom="6dp"
android:text="默认扫码"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/line"
style="@style/OnClick"/>
<Button
android:id="@+id/btn2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="6dp"
android:layout_marginBottom="6dp"
android:text="简单自定义布局扫码"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/btn1"
style="@style/OnClick"/>
<Button
android:id="@+id/btn3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="6dp"
android:layout_marginBottom="6dp"
android:text="自定义布局扫码"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/btn2"
style="@style/OnClick"/>
<Button
android:id="@+id/btn4"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="6dp"
android:layout_marginBottom="6dp"
android:text="生成条形码"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/btn3"
style="@style/OnClick"/>
<Button
android:id="@+id/btn5"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="6dp"
android:layout_marginBottom="6dp"
android:text="生成二维码"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/btn4"
style="@style/OnClick"/>
</android.support.constraint.ConstraintLayout>

18
app/src/main/res/layout/code_activity.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto">
<include android:id="@+id/toolbar"
layout="@layout/toolbar"/>
<ImageView
android:id="@+id/ivCode"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/toolbar"
app:layout_constraintBottom_toBottomOf="parent"/>
</android.support.constraint.ConstraintLayout>

35
app/src/main/res/layout/custom_capture_activity.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<SurfaceView
android:id="@+id/preview_view"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
<com.king.zxing.ViewfinderView
android:id="@+id/viewfinder_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:text="@string/tips_scan_code"
app:textSize="@dimen/size_14sp"
app:laserColor="@color/colorAccent"
app:frameColor="@color/colorPrimary"
app:cornerColor="@color/colorPrimary"
app:resultPointColor="@color/colorAccent"
app:textLocation="bottom"/>
<ImageView
android:id="@+id/ivFlash"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/flash_selected_selector"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
android:layout_marginTop="160dp"
style="@style/OnClick"/>
<include layout="@layout/toolbar_capture"/>
</android.support.constraint.ConstraintLayout>

8
app/src/main/res/layout/easy_capture_activity.xml Normal file
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@@ -0,0 +1,8 @@
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<include layout="@layout/capture"/>
<include layout="@layout/toolbar_capture"/>
</android.support.constraint.ConstraintLayout>

12
app/src/main/res/layout/toolbar.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:background="@color/colorPrimary"
android:layout_height="wrap_content"
app:contentInsetLeft="0dp"
app:contentInsetStart="0dp">
<include layout="@layout/top_title_back_bar"/>
</android.support.v7.widget.Toolbar>

11
app/src/main/res/layout/toolbar_capture.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:contentInsetLeft="0dp"
app:contentInsetStart="0dp">
<include layout="@layout/top_title_back_bar"/>
</android.support.v7.widget.Toolbar>

35
app/src/main/res/layout/top_title_back_bar.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/ll"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="@dimen/title_height"
android:gravity="center">
<ImageView
android:id="@+id/ivLeft"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:src="@drawable/btn_back_selector"
android:paddingLeft="@dimen/size_14dp"
android:paddingRight="@dimen/size_14dp"
style="@style/OnClick"/>
<TextView
android:id="@+id/tvTitle"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:singleLine="true"
android:textSize="@dimen/size_18sp"
android:textColor="@color/white"
android:layout_gravity="center_horizontal"
android:text="@string/app_name"/>
<ImageView
android:id="@+id/ivRight"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:paddingLeft="@dimen/size_14dp"
android:paddingRight="@dimen/size_14dp"
android:src="@drawable/btn_none"
style="@style/OnClick"/>
</LinearLayout>

5
app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@color/ic_launcher_background"/>
<foreground android:drawable="@mipmap/ic_launcher_foreground"/>
</adaptive-icon>

5
app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@color/ic_launcher_background"/>
<foreground android:drawable="@mipmap/ic_launcher_foreground"/>
</adaptive-icon>

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4
app/src/main/res/values-v19/dimens.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<dimen name="status_bar_height">25dp</dimen>
</resources>

8
app/src/main/res/values/colors.xml Normal file
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@@ -0,0 +1,8 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="colorPrimary">#3F51B5</color>
<color name="colorPrimaryDark">#303F9F</color>
<color name="colorAccent">#FF4081</color>
<color name="white">#ffffff</color>
</resources>

12
app/src/main/res/values/dimens.xml Normal file
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@@ -0,0 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<dimen name="status_bar_height">0dp</dimen>
<dimen name="title_height">50dp</dimen>
<dimen name="size_14sp">14sp</dimen>
<dimen name="size_16sp">16sp</dimen>
<dimen name="size_18sp">18sp</dimen>
<dimen name="size_14dp">14dp</dimen>
</resources>

4
app/src/main/res/values/ic_launcher_background.xml Normal file
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@@ -0,0 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="ic_launcher_background">#1FB3E2</color>
</resources>

5
app/src/main/res/values/ids.xml Normal file
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@@ -0,0 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<item name="statusbar_view" type="id"/>
<item name="translucent_view" type="id"/>
</resources>

7
app/src/main/res/values/strings.xml Normal file
View File

@@ -0,0 +1,7 @@
<resources>
<string name="app_name">ZXingLite</string>
<string name="permission_camera">App扫码需要用到拍摄权限</string>
<string name="tips_scan_code">将二维码/条形码放入框内，即可自动扫码</string>
<string name="qr_code">二维码</string>
<string name="bar_code">条形码</string>
</resources>

17
app/src/main/res/values/styles.xml Normal file
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@@ -0,0 +1,17 @@
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
<item name="windowNoTitle">true</item>
<item name="windowActionBar">false</item>
</style>
<style name="OnClick">
<item name="android:clickable">true</item>
<item name="android:onClick">OnClick</item>
</style>
</resources>

17
app/src/test/java/com/king/zxing/app/ExampleUnitTest.java Normal file
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@@ -0,0 +1,17 @@
package com.king.zxing.app;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Example local unit test, which will execute on the development machine (host).
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
public class ExampleUnitTest {
@Test
public void addition_isCorrect() {
assertEquals(4, 2 + 2);
}
}

37
build.gradle Normal file
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// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
apply from: 'versions.gradle'
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.1.3'
classpath 'com.novoda:bintray-release:0.8.1'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
addRepos(repositories)
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
allprojects {
tasks.withType(Javadoc) {
options{
encoding "UTF-8"
charSet 'UTF-8'
links "http://docs.oracle.com/javase/8/docs/api"
}
}
}

13
gradle.properties Normal file
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@@ -0,0 +1,13 @@
# Project-wide Gradle settings.
# IDE (e.g. Android Studio) users:
# Gradle settings configured through the IDE *will override*
# any settings specified in this file.
# For more details on how to configure your build environment visit
# http://www.gradle.org/docs/current/userguide/build_environment.html
# Specifies the JVM arguments used for the daemon process.
# The setting is particularly useful for tweaking memory settings.
org.gradle.jvmargs = -Xmx1536m
# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. More details, visit
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
# org.gradle.parallel=true

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6
gradle/wrapper/gradle-wrapper.properties vendored Normal file
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@@ -0,0 +1,6 @@
#Mon Aug 06 16:59:20 CST 2018
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

172
gradlew vendored Normal file
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#!/usr/bin/env sh
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS=""
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=$((i+1))
done
case $i in
(0) set -- ;;
(1) set -- "$args0" ;;
(2) set -- "$args0" "$args1" ;;
(3) set -- "$args0" "$args1" "$args2" ;;
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=$(save "$@")
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
cd "$(dirname "$0")"
fi
exec "$JAVACMD" "$@"

84
gradlew.bat vendored Normal file
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@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS=
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

1
lib/.gitignore vendored Normal file
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/build

11
lib/bintray.gradle Normal file
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apply plugin: 'com.novoda.bintray-release'
//添加
publish {
userOrg = 'jenly'//bintray.com用户名
groupId = 'com.king.zxing'//jcenter上的路径
artifactId = 'zxing-lite'//项目名称
publishVersion = app_version.versionName//版本号
desc = 'ZXingLite for Android'//描述
website = 'https://github.com/jenly1314/ZXingLite'//网站
}

33
lib/build.gradle Normal file
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apply plugin: 'com.android.library'
apply from: 'bintray.gradle'
android {
compileSdkVersion build_versions.compileSdk
buildToolsVersion build_versions.buildTools
defaultConfig {
minSdkVersion build_versions.minSdk
targetSdkVersion build_versions.targetSdk
versionCode app_version.versionCode
versionName app_version.versionName
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
testImplementation deps.test.junit
androidTestImplementation deps.test.runner
androidTestImplementation deps.test.espresso
compileOnly deps.support.appcompat
api deps.zxing
}

21
lib/proguard-rules.pro vendored Normal file
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# Add project specific ProGuard rules here.
# You can control the set of applied configuration files using the
# proguardFiles setting in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
# Uncomment this to preserve the line number information for
# debugging stack traces.
#-keepattributes SourceFile,LineNumberTable
# If you keep the line number information, uncomment this to
# hide the original source file name.
#-renamesourcefileattribute SourceFile

26
lib/src/androidTest/java/com/king/zxing/ExampleInstrumentedTest.java Normal file
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package com.king.zxing;
import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.*;
/**
* Instrumented test, which will execute on an Android device.
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {
@Test
public void useAppContext() {
// Context of the app under test.
Context appContext = InstrumentationRegistry.getTargetContext();
assertEquals("com.king.zxing.test", appContext.getPackageName());
}
}

20
lib/src/main/AndroidManifest.xml Normal file
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.king.zxing">
<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.VIBRATE"/>
<uses-permission android:name="android.permission.FLASHLIGHT"/>
<uses-permission android:name="android.permission.READ_CONTACTS"/>
<!-- unavailable in API 23 -->
<uses-permission android:name="com.android.browser.permission.READ_HISTORY_BOOKMARKS"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
<application>
<activity
android:name="com.king.zxing.CaptureActivity"
android:screenOrientation="portrait"/>
</application>
</manifest>

88
lib/src/main/java/com/king/zxing/AmbientLightManager.java Normal file
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package com.king.zxing;
/*
* Copyright (C) 2012 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.content.Context;
import android.content.SharedPreferences;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.preference.PreferenceManager;
import com.king.zxing.camera.CameraManager;
import com.king.zxing.camera.FrontLightMode;
/**
* Detects ambient light and switches on the front light when very dark, and off again when sufficiently light.
*
* @author Sean Owen
* @author Nikolaus Huber
*/
final class AmbientLightManager implements SensorEventListener {
private static final float TOO_DARK_LUX = 45.0f;
private static final float BRIGHT_ENOUGH_LUX = 450.0f;
private final Context context;
private CameraManager cameraManager;
private Sensor lightSensor;
AmbientLightManager(Context context) {
this.context = context;
}
void start(CameraManager cameraManager) {
this.cameraManager = cameraManager;
SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
if (FrontLightMode.readPref(sharedPrefs) == FrontLightMode.AUTO) {
SensorManager sensorManager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
lightSensor = sensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);
if (lightSensor != null) {
sensorManager.registerListener(this, lightSensor, SensorManager.SENSOR_DELAY_NORMAL);
}
}
}
void stop() {
if (lightSensor != null) {
SensorManager sensorManager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
sensorManager.unregisterListener(this);
cameraManager = null;
lightSensor = null;
}
}
@Override
public void onSensorChanged(SensorEvent sensorEvent) {
float ambientLightLux = sensorEvent.values[0];
if (cameraManager != null) {
if (ambientLightLux <= TOO_DARK_LUX) {
cameraManager.setTorch(true);
} else if (ambientLightLux >= BRIGHT_ENOUGH_LUX) {
cameraManager.setTorch(false);
}
}
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
// do nothing
}
}

136
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package com.king.zxing;
/*
* Copyright (C) 2010 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.AssetFileDescriptor;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.os.Build;
import android.os.Vibrator;
import android.preference.PreferenceManager;
import android.util.Log;
import java.io.Closeable;
import java.io.IOException;
/**
* Manages beeps and vibrations for {@link CaptureActivity}.
*/
public final class BeepManager implements MediaPlayer.OnErrorListener, Closeable {
private static final String TAG = BeepManager.class.getSimpleName();
private static final float BEEP_VOLUME = 0.10f;
private static final long VIBRATE_DURATION = 200L;
private final Activity activity;
private MediaPlayer mediaPlayer;
private boolean playBeep;
private boolean vibrate;
BeepManager(Activity activity) {
this.activity = activity;
this.mediaPlayer = null;
updatePrefs();
}
public void setVibrate(boolean vibrate){
this.vibrate = vibrate;
}
public void setPlayBeep(boolean playBeep){
this.playBeep = playBeep;
}
synchronized void updatePrefs() {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
playBeep = shouldBeep(prefs, activity);
// vibrate = prefs.getBoolean(Preferences.KEY_VIBRATE, false);
if (playBeep && mediaPlayer == null) {
// The volume on STREAM_SYSTEM is not adjustable, and users found it too loud,
// so we now play on the music stream.
activity.setVolumeControlStream(AudioManager.STREAM_MUSIC);
mediaPlayer = buildMediaPlayer(activity);
}
}
synchronized void playBeepSoundAndVibrate() {
if (playBeep && mediaPlayer != null) {
mediaPlayer.start();
}
if (vibrate) {
Vibrator vibrator = (Vibrator) activity.getSystemService(Context.VIBRATOR_SERVICE);
vibrator.vibrate(VIBRATE_DURATION);
}
}
private static boolean shouldBeep(SharedPreferences prefs, Context activity) {
boolean shouldPlayBeep = prefs.getBoolean(Preferences.KEY_PLAY_BEEP, true);
if (shouldPlayBeep) {
// See if sound settings overrides this
AudioManager audioService = (AudioManager) activity.getSystemService(Context.AUDIO_SERVICE);
if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
shouldPlayBeep = false;
}
}
return shouldPlayBeep;
}
@TargetApi(Build.VERSION_CODES.KITKAT)
private MediaPlayer buildMediaPlayer(Context activity) {
MediaPlayer mediaPlayer = new MediaPlayer();
try (AssetFileDescriptor file = activity.getResources().openRawResourceFd(R.raw.beep)) {
mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());
mediaPlayer.setOnErrorListener(this);
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mediaPlayer.setLooping(false);
mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
mediaPlayer.prepare();
return mediaPlayer;
} catch (IOException ioe) {
Log.w(TAG, ioe);
mediaPlayer.release();
return null;
}
}
@Override
public synchronized boolean onError(MediaPlayer mp, int what, int extra) {
if (what == MediaPlayer.MEDIA_ERROR_SERVER_DIED) {
// we are finished, so put up an appropriate error toast if required and finish
activity.finish();
} else {
// possibly media player error, so release and recreate
close();
updatePrefs();
}
return true;
}
@Override
public synchronized void close() {
if (mediaPlayer != null) {
mediaPlayer.release();
mediaPlayer = null;
}
}
}

781
lib/src/main/java/com/king/zxing/CaptureActivity.java Normal file
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package com.king.zxing;
/*
* Copyright (C) 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.ActivityInfo;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.DecodeHintType;
import com.google.zxing.Result;
import com.google.zxing.ResultMetadataType;
import com.king.zxing.camera.CameraManager;
import java.io.IOException;
import java.util.Collection;
import java.util.EnumSet;
import java.util.Map;
/**
* This activity opens the camera and does the actual scanning on a background thread. It draws a
* viewfinder to help the user place the barcode correctly, shows feedback as the image processing
* is happening, and then overlays the results when a scan is successful.
*
* @author dswitkin@google.com (Daniel Switkin)
* @author Sean Owen
*/
public class CaptureActivity extends Activity implements SurfaceHolder.Callback {
public static final String KEY_RESULT = Intents.Scan.RESULT;
private static final String TAG = CaptureActivity.class.getSimpleName();
private static final long DEFAULT_INTENT_RESULT_DURATION_MS = 1500L;
private static final long BULK_MODE_SCAN_DELAY_MS = 1000L;
private static final String[] ZXING_URLS = { "http://zxing.appspot.com/scan", "zxing://scan/" };
private static final Collection<ResultMetadataType> DISPLAYABLE_METADATA_TYPES =
EnumSet.of(ResultMetadataType.ISSUE_NUMBER,
ResultMetadataType.SUGGESTED_PRICE,
ResultMetadataType.ERROR_CORRECTION_LEVEL,
ResultMetadataType.POSSIBLE_COUNTRY);
private CameraManager cameraManager;
private CaptureActivityHandler handler;
private Result savedResultToShow;
private ViewfinderView viewfinderView;
// private TextView statusView;
// private View resultView;
private Result lastResult;
private boolean hasSurface;
// private boolean copyToClipboard;
// private IntentSource source;
// private String sourceUrl;
// private ScanFromWebPageManager scanFromWebPageManager;
private Collection<BarcodeFormat> decodeFormats;
private Map<DecodeHintType,?> decodeHints;
private String characterSet;
// private HistoryManager historyManager;
private InactivityTimer inactivityTimer;
private BeepManager beepManager;
private AmbientLightManager ambientLightManager;
public ViewfinderView getViewfinderView() {
return viewfinderView;
}
public Handler getHandler() {
return handler;
}
public CameraManager getCameraManager() {
return cameraManager;
}
public BeepManager getBeepManager() {
return beepManager;
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Window window = getWindow();
window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(getLayoutId());
hasSurface = false;
inactivityTimer = new InactivityTimer(this);
beepManager = new BeepManager(this);
ambientLightManager = new AmbientLightManager(this);
// PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
}
public int getLayoutId(){
return R.layout.capture;
}
public int getViewFinderViewId(){
return R.id.viewfinder_view;
}
public int getPreviewViewId(){
return R.id.preview_view;
}
/**
* 扫码后声音与震动管理里入口
* @return true表示播放和震动，是否播放与震动还得看{@link BeepManager}
*/
public boolean isBeepSoundAndVibrate(){
return true;
}
@Override
protected void onResume() {
super.onResume();
// historyManager must be initialized here to update the history preference
// historyManager = new HistoryManager(this);
// historyManager.trimHistory();
// CameraManager must be initialized here, not in onCreate(). This is necessary because we don't
// want to open the camera driver and measure the screen size if we're going to show the help on
// first launch. That led to bugs where the scanning rectangle was the wrong size and partially
// off screen.
cameraManager = new CameraManager(getApplication());
viewfinderView = findViewById(getViewFinderViewId());
viewfinderView.setCameraManager(cameraManager);
// resultView = findViewById(R.id.result_view);
// statusView = findViewById(R.id.status_view);
handler = null;
lastResult = null;
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
if (prefs.getBoolean(Preferences.KEY_DISABLE_AUTO_ORIENTATION, true)) {
setRequestedOrientation(getCurrentOrientation());
} else {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);
}
resetStatusView();
beepManager.updatePrefs();
ambientLightManager.start(cameraManager);
inactivityTimer.onResume();
Intent intent = getIntent();
// copyToClipboard = prefs.getBoolean(Preferences.KEY_COPY_TO_CLIPBOARD, true)
// && (intent == null || intent.getBooleanExtra(Intents.Scan.SAVE_HISTORY, true));
//
// source = IntentSource.NONE;
// sourceUrl = null;
// scanFromWebPageManager = null;
decodeFormats = null;
characterSet = null;
if (intent != null) {
String action = intent.getAction();
String dataString = intent.getDataString();
if (Intents.Scan.ACTION.equals(action)) {
// Scan the formats the intent requested, and return the result to the calling activity.
// source = IntentSource.NATIVE_APP_INTENT;
decodeFormats = DecodeFormatManager.parseDecodeFormats(intent);
decodeHints = DecodeHintManager.parseDecodeHints(intent);
if (intent.hasExtra(Intents.Scan.WIDTH) && intent.hasExtra(Intents.Scan.HEIGHT)) {
int width = intent.getIntExtra(Intents.Scan.WIDTH, 0);
int height = intent.getIntExtra(Intents.Scan.HEIGHT, 0);
if (width > 0 && height > 0) {
cameraManager.setManualFramingRect(width, height);
}
}
if (intent.hasExtra(Intents.Scan.CAMERA_ID)) {
int cameraId = intent.getIntExtra(Intents.Scan.CAMERA_ID, -1);
if (cameraId >= 0) {
cameraManager.setManualCameraId(cameraId);
}
}
// String customPromptMessage = intent.getStringExtra(Intents.Scan.PROMPT_MESSAGE);
// if (customPromptMessage != null) {
// statusView.setText(customPromptMessage);
// }
} else if (dataString != null &&
dataString.contains("http://www.google") &&
dataString.contains("/m/products/scan")) {
// Scan only products and send the result to mobile Product Search.
// source = IntentSource.PRODUCT_SEARCH_LINK;
// sourceUrl = dataString;
decodeFormats = DecodeFormatManager.PRODUCT_FORMATS;
} else if (isZXingURL(dataString)) {
// Scan formats requested in query string (all formats if none specified).
// If a return URL is specified, send the results there. Otherwise, handle it ourselves.
// source = IntentSource.ZXING_LINK;
// sourceUrl = dataString;
Uri inputUri = Uri.parse(dataString);
// scanFromWebPageManager = new ScanFromWebPageManager(inputUri);
decodeFormats = DecodeFormatManager.parseDecodeFormats(inputUri);
// Allow a sub-set of the hints to be specified by the caller.
decodeHints = DecodeHintManager.parseDecodeHints(inputUri);
}
characterSet = intent.getStringExtra(Intents.Scan.CHARACTER_SET);
}
SurfaceView surfaceView = findViewById(getPreviewViewId());
SurfaceHolder surfaceHolder = surfaceView.getHolder();
if (hasSurface) {
// The activity was paused but not stopped, so the surface still exists. Therefore
// surfaceCreated() won't be called, so init the camera here.
initCamera(surfaceHolder);
} else {
// Install the callback and wait for surfaceCreated() to init the camera.
surfaceHolder.addCallback(this);
}
}
private int getCurrentOrientation() {
int rotation = getWindowManager().getDefaultDisplay().getRotation();
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
switch (rotation) {
case Surface.ROTATION_0:
case Surface.ROTATION_90:
return ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
default:
return ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
}
} else {
switch (rotation) {
case Surface.ROTATION_0:
case Surface.ROTATION_270:
return ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
default:
return ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
}
}
}
private static boolean isZXingURL(String dataString) {
if (dataString == null) {
return false;
}
for (String url : ZXING_URLS) {
if (dataString.startsWith(url)) {
return true;
}
}
return false;
}
@Override
protected void onPause() {
if (handler != null) {
handler.quitSynchronously();
handler = null;
}
inactivityTimer.onPause();
ambientLightManager.stop();
beepManager.close();
cameraManager.closeDriver();
//historyManager = null; // Keep for onActivityResult
if (!hasSurface) {
SurfaceView surfaceView = findViewById(R.id.preview_view);
SurfaceHolder surfaceHolder = surfaceView.getHolder();
surfaceHolder.removeCallback(this);
}
super.onPause();
}
@Override
protected void onDestroy() {
inactivityTimer.shutdown();
super.onDestroy();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_BACK:
// if (source == IntentSource.NATIVE_APP_INTENT) {
// setResult(RESULT_CANCELED);
// finish();
// return true;
// }
// if ((source == IntentSource.NONE || source == IntentSource.ZXING_LINK) && lastResult != null) {
// restartPreviewAfterDelay(0L);
// return true;
// }
break;
case KeyEvent.KEYCODE_FOCUS:
case KeyEvent.KEYCODE_CAMERA:
// Handle these events so they don't launch the Camera app
return true;
// Use volume up/down to turn on light
case KeyEvent.KEYCODE_VOLUME_DOWN:
cameraManager.setTorch(false);
return true;
case KeyEvent.KEYCODE_VOLUME_UP:
cameraManager.setTorch(true);
return true;
}
return super.onKeyDown(keyCode, event);
}
// @Override
// public boolean onCreateOptionsMenu(Menu menu) {
// MenuInflater menuInflater = getMenuInflater();
// menuInflater.inflate(R.menu.capture, menu);
// return super.onCreateOptionsMenu(menu);
// }
//
// @Override
// public boolean onOptionsItemSelected(MenuItem item) {
// Intent intent = new Intent(Intent.ACTION_VIEW);
// intent.addFlags(Intents.FLAG_NEW_DOC);
// switch (item.getItemId()) {
// case R.id.menu_share:
// intent.setClassName(this, ShareActivity.class.getName());
// startActivity(intent);
// break;
// case R.id.menu_history:
// intent.setClassName(this, HistoryActivity.class.getName());
// startActivityForResult(intent, HISTORY_REQUEST_CODE);
// break;
// case R.id.menu_settings:
// intent.setClassName(this, PreferencesActivity.class.getName());
// startActivity(intent);
// break;
// case R.id.menu_help:
// intent.setClassName(this, HelpActivity.class.getName());
// startActivity(intent);
// break;
// default:
// return super.onOptionsItemSelected(item);
// }
// return true;
// }
// @Override
// public void onActivityResult(int requestCode, int resultCode, Intent intent) {
// if (resultCode == RESULT_OK && requestCode == HISTORY_REQUEST_CODE && historyManager != null) {
// int itemNumber = intent.getIntExtra(Intents.History.ITEM_NUMBER, -1);
// if (itemNumber >= 0) {
// HistoryItem historyItem = historyManager.buildHistoryItem(itemNumber);
// decodeOrStoreSavedBitmap(null, historyItem.getResult());
// }
// }
// }
private void decodeOrStoreSavedBitmap(Bitmap bitmap, Result result) {
// Bitmap isn't used yet -- will be used soon
if (handler == null) {
savedResultToShow = result;
} else {
if (result != null) {
savedResultToShow = result;
}
if (savedResultToShow != null) {
Message message = Message.obtain(handler, R.id.decode_succeeded, savedResultToShow);
handler.sendMessage(message);
}
savedResultToShow = null;
}
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
if (holder == null) {
Log.e(TAG, "*** WARNING *** surfaceCreated() gave us a null surface!");
}
if (!hasSurface) {
hasSurface = true;
initCamera(holder);
}
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
hasSurface = false;
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
// do nothing
}
/**
* A valid barcode has been found, so give an indication of success and show the results.
*
* @param rawResult The contents of the barcode.
* @param scaleFactor amount by which thumbnail was scaled
* @param barcode A greyscale bitmap of the camera data which was decoded.
*/
public void handleDecode(Result rawResult, Bitmap barcode, float scaleFactor) {
inactivityTimer.onActivity();
lastResult = rawResult;
if(isBeepSoundAndVibrate()){
beepManager.playBeepSoundAndVibrate();
}
String resultString = rawResult.getText();
Intent intent = new Intent();
intent.putExtra(KEY_RESULT,resultString);
setResult(RESULT_OK,intent);
finish();
// ResultHandler resultHandler = ResultHandlerFactory.makeResultHandler(this, rawResult);
// boolean fromLiveScan = barcode != null;
// if (fromLiveScan) {
//// historyManager.addHistoryItem(rawResult, resultHandler);
// // Then not from history, so beep/vibrate and we have an image to draw on
// beepManager.playBeepSoundAndVibrate();
// drawResultPoints(barcode, scaleFactor, rawResult);
// }
// switch (source) {
// case NATIVE_APP_INTENT:
// case PRODUCT_SEARCH_LINK:
// handleDecodeExternally(rawResult, resultHandler, barcode);
// break;
// case ZXING_LINK:
// if (scanFromWebPageManager == null || !scanFromWebPageManager.isScanFromWebPage()) {
// handleDecodeInternally(rawResult, resultHandler, barcode);
// } else {
// handleDecodeExternally(rawResult, resultHandler, barcode);
// }
// break;
// case NONE:
// SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
// if (fromLiveScan && prefs.getBoolean(PreferencesActivity.KEY_BULK_MODE, false)) {
// Toast.makeText(getApplicationContext(),
// getResources().getString(R.string.msg_bulk_mode_scanned) + " (" + rawResult.getText() + ')',
// Toast.LENGTH_SHORT).show();
// maybeSetClipboard(resultHandler);
// // Wait a moment or else it will scan the same barcode continuously about 3 times
// restartPreviewAfterDelay(BULK_MODE_SCAN_DELAY_MS);
// } else {
// handleDecodeInternally(rawResult, resultHandler, barcode);
// }
// break;
// }
}
// /**
// * Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
// *
// * @param barcode A bitmap of the captured image.
// * @param scaleFactor amount by which thumbnail was scaled
// * @param rawResult The decoded results which contains the points to draw.
// */
// private void drawResultPoints(Bitmap barcode, float scaleFactor, Result rawResult) {
// ResultPoint[] points = rawResult.getResultPoints();
// if (points != null && points.length > 0) {
// Canvas canvas = new Canvas(barcode);
// Paint paint = new Paint();
// paint.setColor(getResources().getColor(R.color.result_points));
// if (points.length == 2) {
// paint.setStrokeWidth(4.0f);
// drawLine(canvas, paint, points[0], points[1], scaleFactor);
// } else if (points.length == 4 &&
// (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A ||
// rawResult.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
// // Hacky special case -- draw two lines, for the barcode and metadata
// drawLine(canvas, paint, points[0], points[1], scaleFactor);
// drawLine(canvas, paint, points[2], points[3], scaleFactor);
// } else {
// paint.setStrokeWidth(10.0f);
// for (ResultPoint point : points) {
// if (point != null) {
// canvas.drawPoint(scaleFactor * point.getX(), scaleFactor * point.getY(), paint);
// }
// }
// }
// }
// }
//
// private static void drawLine(Canvas canvas, Paint paint, ResultPoint a, ResultPoint b, float scaleFactor) {
// if (a != null && b != null) {
// canvas.drawLine(scaleFactor * a.getX(),
// scaleFactor * a.getY(),
// scaleFactor * b.getX(),
// scaleFactor * b.getY(),
// paint);
// }
// }
//
// // Put up our own UI for how to handle the decoded contents.
// private void handleDecodeInternally(Result rawResult, ResultHandler resultHandler, Bitmap barcode) {
//
// maybeSetClipboard(resultHandler);
//
// SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
//
// if (resultHandler.getDefaultButtonID() != null && prefs.getBoolean(PreferencesActivity.KEY_AUTO_OPEN_WEB, false)) {
// resultHandler.handleButtonPress(resultHandler.getDefaultButtonID());
// return;
// }
//
// statusView.setVisibility(View.GONE);
// viewfinderView.setVisibility(View.GONE);
// resultView.setVisibility(View.VISIBLE);
//
// ImageView barcodeImageView = (ImageView) findViewById(R.id.barcode_image_view);
// if (barcode == null) {
// barcodeImageView.setImageBitmap(BitmapFactory.decodeResource(getResources(),
// R.drawable.launcher_icon));
// } else {
// barcodeImageView.setImageBitmap(barcode);
// }
//
// TextView formatTextView = (TextView) findViewById(R.id.format_text_view);
// formatTextView.setText(rawResult.getBarcodeFormat().toString());
//
// TextView typeTextView = (TextView) findViewById(R.id.type_text_view);
// typeTextView.setText(resultHandler.getType().toString());
//
// DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
// TextView timeTextView = (TextView) findViewById(R.id.time_text_view);
// timeTextView.setText(formatter.format(rawResult.getTimestamp()));
//
//
// TextView metaTextView = (TextView) findViewById(R.id.meta_text_view);
// View metaTextViewLabel = findViewById(R.id.meta_text_view_label);
// metaTextView.setVisibility(View.GONE);
// metaTextViewLabel.setVisibility(View.GONE);
// Map<ResultMetadataType,Object> metadata = rawResult.getResultMetadata();
// if (metadata != null) {
// StringBuilder metadataText = new StringBuilder(20);
// for (Map.Entry<ResultMetadataType,Object> entry : metadata.entrySet()) {
// if (DISPLAYABLE_METADATA_TYPES.contains(entry.getKey())) {
// metadataText.append(entry.getValue()).append('\n');
// }
// }
// if (metadataText.length() > 0) {
// metadataText.setLength(metadataText.length() - 1);
// metaTextView.setText(metadataText);
// metaTextView.setVisibility(View.VISIBLE);
// metaTextViewLabel.setVisibility(View.VISIBLE);
// }
// }
//
// CharSequence displayContents = resultHandler.getDisplayContents();
// TextView contentsTextView = (TextView) findViewById(R.id.contents_text_view);
// contentsTextView.setText(displayContents);
// int scaledSize = Math.max(22, 32 - displayContents.length() / 4);
// contentsTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, scaledSize);
//
// TextView supplementTextView = (TextView) findViewById(R.id.contents_supplement_text_view);
// supplementTextView.setText("");
// supplementTextView.setOnClickListener(null);
// if (PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
// PreferencesActivity.KEY_SUPPLEMENTAL, true)) {
// SupplementalInfoRetriever.maybeInvokeRetrieval(supplementTextView,
// resultHandler.getResult(),
// historyManager,
// this);
// }
//
// int buttonCount = resultHandler.getButtonCount();
// ViewGroup buttonView = (ViewGroup) findViewById(R.id.result_button_view);
// buttonView.requestFocus();
// for (int x = 0; x < ResultHandler.MAX_BUTTON_COUNT; x++) {
// TextView button = (TextView) buttonView.getChildAt(x);
// if (x < buttonCount) {
// button.setVisibility(View.VISIBLE);
// button.setText(resultHandler.getButtonText(x));
// button.setOnClickListener(new ResultButtonListener(resultHandler, x));
// } else {
// button.setVisibility(View.GONE);
// }
// }
//
// }
//
// // Briefly show the contents of the barcode, then handle the result outside Barcode Scanner.
// private void handleDecodeExternally(Result rawResult, ResultHandler resultHandler, Bitmap barcode) {
//
// if (barcode != null) {
// viewfinderView.drawResultBitmap(barcode);
// }
//
// long resultDurationMS;
// if (getIntent() == null) {
// resultDurationMS = DEFAULT_INTENT_RESULT_DURATION_MS;
// } else {
// resultDurationMS = getIntent().getLongExtra(Intents.Scan.RESULT_DISPLAY_DURATION_MS,
// DEFAULT_INTENT_RESULT_DURATION_MS);
// }
//
// if (resultDurationMS > 0) {
// String rawResultString = String.valueOf(rawResult);
// if (rawResultString.length() > 32) {
// rawResultString = rawResultString.substring(0, 32) + " ...";
// }
// statusView.setText(getString(resultHandler.getDisplayTitle()) + " : " + rawResultString);
// }
//
// maybeSetClipboard(resultHandler);
//
// switch (source) {
// case NATIVE_APP_INTENT:
// // Hand back whatever action they requested - this can be changed to Intents.Scan.ACTION when
// // the deprecated intent is retired.
// Intent intent = new Intent(getIntent().getAction());
// intent.addFlags(Intents.FLAG_NEW_DOC);
// intent.putExtra(Intents.Scan.RESULT, rawResult.toString());
// intent.putExtra(Intents.Scan.RESULT_FORMAT, rawResult.getBarcodeFormat().toString());
// byte[] rawBytes = rawResult.getRawBytes();
// if (rawBytes != null && rawBytes.length > 0) {
// intent.putExtra(Intents.Scan.RESULT_BYTES, rawBytes);
// }
// Map<ResultMetadataType, ?> metadata = rawResult.getResultMetadata();
// if (metadata != null) {
// if (metadata.containsKey(ResultMetadataType.UPC_EAN_EXTENSION)) {
// intent.putExtra(Intents.Scan.RESULT_UPC_EAN_EXTENSION,
// metadata.get(ResultMetadataType.UPC_EAN_EXTENSION).toString());
// }
// Number orientation = (Number) metadata.get(ResultMetadataType.ORIENTATION);
// if (orientation != null) {
// intent.putExtra(Intents.Scan.RESULT_ORIENTATION, orientation.intValue());
// }
// String ecLevel = (String) metadata.get(ResultMetadataType.ERROR_CORRECTION_LEVEL);
// if (ecLevel != null) {
// intent.putExtra(Intents.Scan.RESULT_ERROR_CORRECTION_LEVEL, ecLevel);
// }
// @SuppressWarnings("unchecked")
// Iterable<byte[]> byteSegments = (Iterable<byte[]>) metadata.get(ResultMetadataType.BYTE_SEGMENTS);
// if (byteSegments != null) {
// int i = 0;
// for (byte[] byteSegment : byteSegments) {
// intent.putExtra(Intents.Scan.RESULT_BYTE_SEGMENTS_PREFIX + i, byteSegment);
// i++;
// }
// }
// }
// sendReplyMessage(R.id.return_scan_result, intent, resultDurationMS);
// break;
//
// case PRODUCT_SEARCH_LINK:
// // Reformulate the URL which triggered us into a query, so that the request goes to the same
// // TLD as the scan URL.
// int end = sourceUrl.lastIndexOf("/scan");
// String productReplyURL = sourceUrl.substring(0, end) + "?q=" +
// resultHandler.getDisplayContents() + "&source=zxing";
// sendReplyMessage(R.id.launch_product_query, productReplyURL, resultDurationMS);
// break;
//
// case ZXING_LINK:
// if (scanFromWebPageManager != null && scanFromWebPageManager.isScanFromWebPage()) {
// String linkReplyURL = scanFromWebPageManager.buildReplyURL(rawResult, resultHandler);
// scanFromWebPageManager = null;
// sendReplyMessage(R.id.launch_product_query, linkReplyURL, resultDurationMS);
// }
// break;
// }
// }
//
// private void maybeSetClipboard(ResultHandler resultHandler) {
// if (copyToClipboard && !resultHandler.areContentsSecure()) {
// ClipboardInterface.setText(resultHandler.getDisplayContents(), this);
// }
// }
private void sendReplyMessage(int id, Object arg, long delayMS) {
if (handler != null) {
Message message = Message.obtain(handler, id, arg);
if (delayMS > 0L) {
handler.sendMessageDelayed(message, delayMS);
} else {
handler.sendMessage(message);
}
}
}
private void initCamera(SurfaceHolder surfaceHolder) {
if (surfaceHolder == null) {
throw new IllegalStateException("No SurfaceHolder provided");
}
if (cameraManager.isOpen()) {
Log.w(TAG, "initCamera() while already open -- late SurfaceView callback?");
return;
}
try {
cameraManager.openDriver(surfaceHolder);
// Creating the handler starts the preview, which can also throw a RuntimeException.
if (handler == null) {
handler = new CaptureActivityHandler(this, decodeFormats, decodeHints, characterSet, cameraManager);
}
decodeOrStoreSavedBitmap(null, null);
} catch (IOException ioe) {
Log.w(TAG, ioe);
// displayFrameworkBugMessageAndExit();
} catch (RuntimeException e) {
// Barcode Scanner has seen crashes in the wild of this variety:
// java.?lang.?RuntimeException: Fail to connect to camera service
Log.w(TAG, "Unexpected error initializing camera", e);
// displayFrameworkBugMessageAndExit();
}
}
// private void displayFrameworkBugMessageAndExit() {
// AlertDialog.Builder builder = new AlertDialog.Builder(this);
// builder.setTitle(getString(R.string.app_name));
// builder.setMessage(getString(R.string.msg_camera_framework_bug));
// builder.setPositiveButton(R.string.button_ok, new FinishListener(this));
// builder.setOnCancelListener(new FinishListener(this));
// builder.show();
// }
public void restartPreviewAfterDelay(long delayMS) {
if (handler != null) {
handler.sendEmptyMessageDelayed(R.id.restart_preview, delayMS);
}
resetStatusView();
}
private void resetStatusView() {
// resultView.setVisibility(View.GONE);
// statusView.setText(R.string.msg_default_status);
// statusView.setVisibility(View.VISIBLE);
viewfinderView.setVisibility(View.VISIBLE);
lastResult = null;
}
public void drawViewfinder() {
viewfinderView.drawViewfinder();
}
}

169
lib/src/main/java/com/king/zxing/CaptureActivityHandler.java Normal file
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package com.king.zxing;
/*
* Copyright (C) 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.content.ActivityNotFoundException;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.graphics.BitmapFactory;
import android.provider.Browser;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.DecodeHintType;
import com.google.zxing.Result;
import com.king.zxing.camera.CameraManager;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import java.util.Collection;
import java.util.Map;
/**
* This class handles all the messaging which comprises the state machine for capture.
*
* @author dswitkin@google.com (Daniel Switkin)
*/
public final class CaptureActivityHandler extends Handler {
private static final String TAG = CaptureActivityHandler.class.getSimpleName();
private final CaptureActivity activity;
private final DecodeThread decodeThread;
private State state;
private final CameraManager cameraManager;
private enum State {
PREVIEW,
SUCCESS,
DONE
}
CaptureActivityHandler(CaptureActivity activity,
Collection<BarcodeFormat> decodeFormats,
Map<DecodeHintType,?> baseHints,
String characterSet,
CameraManager cameraManager) {
this.activity = activity;
decodeThread = new DecodeThread(activity, decodeFormats, baseHints, characterSet,
new ViewfinderResultPointCallback(activity.getViewfinderView()));
decodeThread.start();
state = State.SUCCESS;
// Start ourselves capturing previews and decoding.
this.cameraManager = cameraManager;
cameraManager.startPreview();
restartPreviewAndDecode();
}
@Override
public void handleMessage(Message message) {
if (message.what == R.id.restart_preview) {
restartPreviewAndDecode();
} else if (message.what == R.id.decode_succeeded) {
state = State.SUCCESS;
Bundle bundle = message.getData();
Bitmap barcode = null;
float scaleFactor = 1.0f;
if (bundle != null) {
byte[] compressedBitmap = bundle.getByteArray(DecodeThread.BARCODE_BITMAP);
if (compressedBitmap != null) {
barcode = BitmapFactory.decodeByteArray(compressedBitmap, 0, compressedBitmap.length, null);
// Mutable copy:
barcode = barcode.copy(Bitmap.Config.ARGB_8888, true);
}
scaleFactor = bundle.getFloat(DecodeThread.BARCODE_SCALED_FACTOR);
}
activity.handleDecode((Result) message.obj, barcode, scaleFactor);
} else if (message.what == R.id.decode_failed) {// We're decoding as fast as possible, so when one decode fails, start another.
state = State.PREVIEW;
cameraManager.requestPreviewFrame(decodeThread.getHandler(), R.id.decode);
} else if (message.what == R.id.return_scan_result) {
activity.setResult(Activity.RESULT_OK, (Intent) message.obj);
activity.finish();
} else if (message.what == R.id.launch_product_query) {
String url = (String) message.obj;
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.addFlags(Intents.FLAG_NEW_DOC);
intent.setData(Uri.parse(url));
ResolveInfo resolveInfo =
activity.getPackageManager().resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
String browserPackageName = null;
if (resolveInfo != null && resolveInfo.activityInfo != null) {
browserPackageName = resolveInfo.activityInfo.packageName;
Log.d(TAG, "Using browser in package " + browserPackageName);
}
// Needed for default Android browser / Chrome only apparently
if (browserPackageName != null) {
switch (browserPackageName) {
case "com.android.browser":
case "com.android.chrome":
intent.setPackage(browserPackageName);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.putExtra(Browser.EXTRA_APPLICATION_ID, browserPackageName);
break;
}
}
try {
activity.startActivity(intent);
} catch (ActivityNotFoundException ignored) {
Log.w(TAG, "Can't find anything to handle VIEW of URI " + url);
}
}
}
public void quitSynchronously() {
state = State.DONE;
cameraManager.stopPreview();
Message quit = Message.obtain(decodeThread.getHandler(), R.id.quit);
quit.sendToTarget();
try {
// Wait at most half a second; should be enough time, and onPause() will timeout quickly
decodeThread.join(500L);
} catch (InterruptedException e) {
// continue
}
// Be absolutely sure we don't send any queued up messages
removeMessages(R.id.decode_succeeded);
removeMessages(R.id.decode_failed);
}
private void restartPreviewAndDecode() {
if (state == State.SUCCESS) {
state = State.PREVIEW;
cameraManager.requestPreviewFrame(decodeThread.getHandler(), R.id.decode);
activity.drawViewfinder();
}
}
}

105
lib/src/main/java/com/king/zxing/DecodeFormatManager.java Normal file
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package com.king.zxing;
/*
* Copyright (C) 2010 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.content.Intent;
import android.net.Uri;
import com.google.zxing.BarcodeFormat;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;
final class DecodeFormatManager {
private static final Pattern COMMA_PATTERN = Pattern.compile(",");
static final Set<BarcodeFormat> PRODUCT_FORMATS;
static final Set<BarcodeFormat> INDUSTRIAL_FORMATS;
private static final Set<BarcodeFormat> ONE_D_FORMATS;
static final Set<BarcodeFormat> QR_CODE_FORMATS = EnumSet.of(BarcodeFormat.QR_CODE);
static final Set<BarcodeFormat> DATA_MATRIX_FORMATS = EnumSet.of(BarcodeFormat.DATA_MATRIX);
static final Set<BarcodeFormat> AZTEC_FORMATS = EnumSet.of(BarcodeFormat.AZTEC);
static final Set<BarcodeFormat> PDF417_FORMATS = EnumSet.of(BarcodeFormat.PDF_417);
static {
PRODUCT_FORMATS = EnumSet.of(BarcodeFormat.UPC_A,
BarcodeFormat.UPC_E,
BarcodeFormat.EAN_13,
BarcodeFormat.EAN_8,
BarcodeFormat.RSS_14,
BarcodeFormat.RSS_EXPANDED);
INDUSTRIAL_FORMATS = EnumSet.of(BarcodeFormat.CODE_39,
BarcodeFormat.CODE_93,
BarcodeFormat.CODE_128,
BarcodeFormat.ITF,
BarcodeFormat.CODABAR);
ONE_D_FORMATS = EnumSet.copyOf(PRODUCT_FORMATS);
ONE_D_FORMATS.addAll(INDUSTRIAL_FORMATS);
}
private static final Map<String,Set<BarcodeFormat>> FORMATS_FOR_MODE;
static {
FORMATS_FOR_MODE = new HashMap<>();
FORMATS_FOR_MODE.put(Intents.Scan.ONE_D_MODE, ONE_D_FORMATS);
FORMATS_FOR_MODE.put(Intents.Scan.PRODUCT_MODE, PRODUCT_FORMATS);
FORMATS_FOR_MODE.put(Intents.Scan.QR_CODE_MODE, QR_CODE_FORMATS);
FORMATS_FOR_MODE.put(Intents.Scan.DATA_MATRIX_MODE, DATA_MATRIX_FORMATS);
FORMATS_FOR_MODE.put(Intents.Scan.AZTEC_MODE, AZTEC_FORMATS);
FORMATS_FOR_MODE.put(Intents.Scan.PDF417_MODE, PDF417_FORMATS);
}
private DecodeFormatManager() {}
static Set<BarcodeFormat> parseDecodeFormats(Intent intent) {
Iterable<String> scanFormats = null;
CharSequence scanFormatsString = intent.getStringExtra(Intents.Scan.FORMATS);
if (scanFormatsString != null) {
scanFormats = Arrays.asList(COMMA_PATTERN.split(scanFormatsString));
}
return parseDecodeFormats(scanFormats, intent.getStringExtra(Intents.Scan.MODE));
}
static Set<BarcodeFormat> parseDecodeFormats(Uri inputUri) {
List<String> formats = inputUri.getQueryParameters(Intents.Scan.FORMATS);
if (formats != null && formats.size() == 1 && formats.get(0) != null) {
formats = Arrays.asList(COMMA_PATTERN.split(formats.get(0)));
}
return parseDecodeFormats(formats, inputUri.getQueryParameter(Intents.Scan.MODE));
}
private static Set<BarcodeFormat> parseDecodeFormats(Iterable<String> scanFormats, String decodeMode) {
if (scanFormats != null) {
Set<BarcodeFormat> formats = EnumSet.noneOf(BarcodeFormat.class);
try {
for (String format : scanFormats) {
formats.add(BarcodeFormat.valueOf(format));
}
return formats;
} catch (IllegalArgumentException iae) {
// ignore it then
}
}
if (decodeMode != null) {
return FORMATS_FOR_MODE.get(decodeMode);
}
return null;
}
}

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package com.king.zxing;
/*
* Copyright (C) 2010 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.graphics.Bitmap;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.DecodeHintType;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.PlanarYUVLuminanceSource;
import com.google.zxing.ReaderException;
import com.google.zxing.Result;
import com.google.zxing.common.HybridBinarizer;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.util.Log;
import java.io.ByteArrayOutputStream;
import java.util.Map;
final class DecodeHandler extends Handler {
private static final String TAG = DecodeHandler.class.getSimpleName();
private final CaptureActivity activity;
private final MultiFormatReader multiFormatReader;
private boolean running = true;
DecodeHandler(CaptureActivity activity, Map<DecodeHintType,Object> hints) {
multiFormatReader = new MultiFormatReader();
multiFormatReader.setHints(hints);
this.activity = activity;
}
@Override
public void handleMessage(Message message) {
if (message == null || !running) {
return;
}
if (message.what == R.id.decode) {
decode((byte[]) message.obj, message.arg1, message.arg2);
} else if (message.what == R.id.quit) {
running = false;
Looper.myLooper().quit();
}
}
/**
* Decode the data within the viewfinder rectangle, and time how long it took. For efficiency,
* reuse the same reader objects from one decode to the next.
*
* @param data The YUV preview frame.
* @param width The width of the preview frame.
* @param height The height of the preview frame.
*/
private void decode(byte[] data, int width, int height) {
long start = System.currentTimeMillis();
Result rawResult = null;
PlanarYUVLuminanceSource source = activity.getCameraManager().buildLuminanceSource(data, width, height);
if (source != null) {
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
try {
rawResult = multiFormatReader.decodeWithState(bitmap);
} catch (ReaderException re) {
// continue
} finally {
multiFormatReader.reset();
}
}
Handler handler = activity.getHandler();
if (rawResult != null) {
// Don't log the barcode contents for security.
long end = System.currentTimeMillis();
Log.d(TAG, "Found barcode in " + (end - start) + " ms");
if (handler != null) {
Message message = Message.obtain(handler, R.id.decode_succeeded, rawResult);
Bundle bundle = new Bundle();
bundleThumbnail(source, bundle);
message.setData(bundle);
message.sendToTarget();
}
} else {
if (handler != null) {
Message message = Message.obtain(handler, R.id.decode_failed);
message.sendToTarget();
}
}
}
private static void bundleThumbnail(PlanarYUVLuminanceSource source, Bundle bundle) {
int[] pixels = source.renderThumbnail();
int width = source.getThumbnailWidth();
int height = source.getThumbnailHeight();
Bitmap bitmap = Bitmap.createBitmap(pixels, 0, width, width, height, Bitmap.Config.ARGB_8888);
ByteArrayOutputStream out = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 50, out);
bundle.putByteArray(DecodeThread.BARCODE_BITMAP, out.toByteArray());
bundle.putFloat(DecodeThread.BARCODE_SCALED_FACTOR, (float) width / source.getWidth());
}
}

237
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package com.king.zxing;
/*
* Copyright (C) 2013 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.util.EnumMap;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Pattern;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import com.google.zxing.DecodeHintType;
/**
* @author Lachezar Dobrev
*/
final class DecodeHintManager {
private static final String TAG = DecodeHintManager.class.getSimpleName();
// This pattern is used in decoding integer arrays.
private static final Pattern COMMA = Pattern.compile(",");
private DecodeHintManager() {}
/**
* <p>Split a query string into a list of name-value pairs.</p>
*
* <p>This is an alternative to the {@link Uri#getQueryParameterNames()} and
* {@link Uri#getQueryParameters(String)}, which are quirky and not suitable
* for exist-only Uri parameters.</p>
*
* <p>This method ignores multiple parameters with the same name and returns the
* first one only. This is technically incorrect, but should be acceptable due
* to the method of processing Hints: no multiple values for a hint.</p>
*
* @param query query to split
* @return name-value pairs
*/
private static Map<String,String> splitQuery(String query) {
Map<String,String> map = new HashMap<>();
int pos = 0;
while (pos < query.length()) {
if (query.charAt(pos) == '&') {
// Skip consecutive ampersand separators.
pos ++;
continue;
}
int amp = query.indexOf('&', pos);
int equ = query.indexOf('=', pos);
if (amp < 0) {
// This is the last element in the query, no more ampersand elements.
String name;
String text;
if (equ < 0) {
// No equal sign
name = query.substring(pos);
name = name.replace('+', ' '); // Preemptively decode +
name = Uri.decode(name);
text = "";
} else {
// Split name and text.
name = query.substring(pos, equ);
name = name.replace('+', ' '); // Preemptively decode +
name = Uri.decode(name);
text = query.substring(equ + 1);
text = text.replace('+', ' '); // Preemptively decode +
text = Uri.decode(text);
}
if (!map.containsKey(name)) {
map.put(name, text);
}
break;
}
if (equ < 0 || equ > amp) {
// No equal sign until the &: this is a simple parameter with no value.
String name = query.substring(pos, amp);
name = name.replace('+', ' '); // Preemptively decode +
name = Uri.decode(name);
if (!map.containsKey(name)) {
map.put(name, "");
}
pos = amp + 1;
continue;
}
String name = query.substring(pos, equ);
name = name.replace('+', ' '); // Preemptively decode +
name = Uri.decode(name);
String text = query.substring(equ + 1, amp);
text = text.replace('+', ' '); // Preemptively decode +
text = Uri.decode(text);
if (!map.containsKey(name)) {
map.put(name, text);
}
pos = amp + 1;
}
return map;
}
static Map<DecodeHintType,?> parseDecodeHints(Uri inputUri) {
String query = inputUri.getEncodedQuery();
if (query == null || query.isEmpty()) {
return null;
}
// Extract parameters
Map<String, String> parameters = splitQuery(query);
Map<DecodeHintType, Object> hints = new EnumMap<>(DecodeHintType.class);
for (DecodeHintType hintType: DecodeHintType.values()) {
if (hintType == DecodeHintType.CHARACTER_SET ||
hintType == DecodeHintType.NEED_RESULT_POINT_CALLBACK ||
hintType == DecodeHintType.POSSIBLE_FORMATS) {
continue; // This hint is specified in another way
}
String parameterName = hintType.name();
String parameterText = parameters.get(parameterName);
if (parameterText == null) {
continue;
}
if (hintType.getValueType().equals(Object.class)) {
// This is an unspecified type of hint content. Use the value as is.
// TODO: Can we make a different assumption on this?
hints.put(hintType, parameterText);
continue;
}
if (hintType.getValueType().equals(Void.class)) {
// Void hints are just flags: use the constant specified by DecodeHintType
hints.put(hintType, Boolean.TRUE);
continue;
}
if (hintType.getValueType().equals(String.class)) {
// A string hint: use the decoded value.
hints.put(hintType, parameterText);
continue;
}
if (hintType.getValueType().equals(Boolean.class)) {
// A boolean hint: a few values for false, everything else is true.
// An empty parameter is simply a flag-style parameter, assuming true
if (parameterText.isEmpty()) {
hints.put(hintType, Boolean.TRUE);
} else if ("0".equals(parameterText) ||
"false".equalsIgnoreCase(parameterText) ||
"no".equalsIgnoreCase(parameterText)) {
hints.put(hintType, Boolean.FALSE);
} else {
hints.put(hintType, Boolean.TRUE);
}
continue;
}
if (hintType.getValueType().equals(int[].class)) {
// An integer array. Used to specify valid lengths.
// Strip a trailing comma as in Java style array initialisers.
if (!parameterText.isEmpty() && parameterText.charAt(parameterText.length() - 1) == ',') {
parameterText = parameterText.substring(0, parameterText.length() - 1);
}
String[] values = COMMA.split(parameterText);
int[] array = new int[values.length];
for (int i = 0; i < values.length; i++) {
try {
array[i] = Integer.parseInt(values[i]);
} catch (NumberFormatException ignored) {
Log.w(TAG, "Skipping array of integers hint " + hintType + " due to invalid numeric value: '" + values[i] + '\'');
array = null;
break;
}
}
if (array != null) {
hints.put(hintType, array);
}
continue;
}
Log.w(TAG, "Unsupported hint type '" + hintType + "' of type " + hintType.getValueType());
}
Log.i(TAG, "Hints from the URI: " + hints);
return hints;
}
static Map<DecodeHintType, Object> parseDecodeHints(Intent intent) {
Bundle extras = intent.getExtras();
if (extras == null || extras.isEmpty()) {
return null;
}
Map<DecodeHintType,Object> hints = new EnumMap<>(DecodeHintType.class);
for (DecodeHintType hintType: DecodeHintType.values()) {
if (hintType == DecodeHintType.CHARACTER_SET ||
hintType == DecodeHintType.NEED_RESULT_POINT_CALLBACK ||
hintType == DecodeHintType.POSSIBLE_FORMATS) {
continue; // This hint is specified in another way
}
String hintName = hintType.name();
if (extras.containsKey(hintName)) {
if (hintType.getValueType().equals(Void.class)) {
// Void hints are just flags: use the constant specified by the DecodeHintType
hints.put(hintType, Boolean.TRUE);
} else {
Object hintData = extras.get(hintName);
if (hintType.getValueType().isInstance(hintData)) {
hints.put(hintType, hintData);
} else {
Log.w(TAG, "Ignoring hint " + hintType + " because it is not assignable from " + hintData);
}
}
}
}
Log.i(TAG, "Hints from the Intent: " + hints);
return hints;
}
}

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package com.king.zxing;
/*
* Copyright (C) 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import com.google.zxing.BarcodeFormat;
import com.google.zxing.DecodeHintType;
import com.google.zxing.ResultPointCallback;
import android.content.SharedPreferences;
import android.os.Handler;
import android.os.Looper;
import android.preference.PreferenceManager;
import android.util.Log;
import java.util.Collection;
import java.util.EnumMap;
import java.util.EnumSet;
import java.util.Map;
import java.util.concurrent.CountDownLatch;
/**
* This thread does all the heavy lifting of decoding the images.
*
* @author dswitkin@google.com (Daniel Switkin)
*/
final class DecodeThread extends Thread {
public static final String BARCODE_BITMAP = "barcode_bitmap";
public static final String BARCODE_SCALED_FACTOR = "barcode_scaled_factor";
private final CaptureActivity activity;
private final Map<DecodeHintType,Object> hints;
private Handler handler;
private final CountDownLatch handlerInitLatch;
DecodeThread(CaptureActivity activity,
Collection<BarcodeFormat> decodeFormats,
Map<DecodeHintType,?> baseHints,
String characterSet,
ResultPointCallback resultPointCallback) {
this.activity = activity;
handlerInitLatch = new CountDownLatch(1);
hints = new EnumMap<>(DecodeHintType.class);
if (baseHints != null) {
hints.putAll(baseHints);
}
// The prefs can't change while the thread is running, so pick them up once here.
if (decodeFormats == null || decodeFormats.isEmpty()) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
decodeFormats = EnumSet.noneOf(BarcodeFormat.class);
if (prefs.getBoolean(Preferences.KEY_DECODE_1D_PRODUCT, true)) {
decodeFormats.addAll(DecodeFormatManager.PRODUCT_FORMATS);
}
if (prefs.getBoolean(Preferences.KEY_DECODE_1D_INDUSTRIAL, true)) {
decodeFormats.addAll(DecodeFormatManager.INDUSTRIAL_FORMATS);
}
if (prefs.getBoolean(Preferences.KEY_DECODE_QR, true)) {
decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS);
}
if (prefs.getBoolean(Preferences.KEY_DECODE_DATA_MATRIX, true)) {
decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS);
}
if (prefs.getBoolean(Preferences.KEY_DECODE_AZTEC, false)) {
decodeFormats.addAll(DecodeFormatManager.AZTEC_FORMATS);
}
if (prefs.getBoolean(Preferences.KEY_DECODE_PDF417, false)) {
decodeFormats.addAll(DecodeFormatManager.PDF417_FORMATS);
}
}
hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);
if (characterSet != null) {
hints.put(DecodeHintType.CHARACTER_SET, characterSet);
}
hints.put(DecodeHintType.NEED_RESULT_POINT_CALLBACK, resultPointCallback);
Log.i("DecodeThread", "Hints: " + hints);
}
Handler getHandler() {
try {
handlerInitLatch.await();
} catch (InterruptedException ie) {
// continue?
}
return handler;
}
@Override
public void run() {
Looper.prepare();
handler = new DecodeHandler(activity, hints);
handlerInitLatch.countDown();
Looper.loop();
}
}

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package com.king.zxing;
/*
* Copyright (C) 2010 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.AsyncTask;
import android.os.BatteryManager;
import android.util.Log;
import java.util.concurrent.RejectedExecutionException;
/**
* Finishes an activity after a period of inactivity if the device is on battery power.
*/
final class InactivityTimer {
private static final String TAG = InactivityTimer.class.getSimpleName();
private static final long INACTIVITY_DELAY_MS = 5 * 60 * 1000L;
private final Activity activity;
private final BroadcastReceiver powerStatusReceiver;
private boolean registered;
private AsyncTask<Object,Object,Object> inactivityTask;
InactivityTimer(Activity activity) {
this.activity = activity;
powerStatusReceiver = new PowerStatusReceiver();
registered = false;
onActivity();
}
synchronized void onActivity() {
cancel();
inactivityTask = new InactivityAsyncTask();
try {
inactivityTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
} catch (RejectedExecutionException ree) {
Log.w(TAG, "Couldn't schedule inactivity task; ignoring");
}
}
synchronized void onPause() {
cancel();
if (registered) {
activity.unregisterReceiver(powerStatusReceiver);
registered = false;
} else {
Log.w(TAG, "PowerStatusReceiver was never registered?");
}
}
synchronized void onResume() {
if (registered) {
Log.w(TAG, "PowerStatusReceiver was already registered?");
} else {
activity.registerReceiver(powerStatusReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
registered = true;
}
onActivity();
}
private synchronized void cancel() {
AsyncTask<?,?,?> task = inactivityTask;
if (task != null) {
task.cancel(true);
inactivityTask = null;
}
}
void shutdown() {
cancel();
}
private final class PowerStatusReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (Intent.ACTION_BATTERY_CHANGED.equals(intent.getAction())) {
// 0 indicates that we're on battery
boolean onBatteryNow = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1) <= 0;
if (onBatteryNow) {
InactivityTimer.this.onActivity();
} else {
InactivityTimer.this.cancel();
}
}
}
}
private final class InactivityAsyncTask extends AsyncTask<Object,Object,Object> {
@Override
protected Object doInBackground(Object... objects) {
try {
Thread.sleep(INACTIVITY_DELAY_MS);
Log.i(TAG, "Finishing activity due to inactivity");
activity.finish();
} catch (InterruptedException e) {
// continue without killing
}
return null;
}
}
}

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package com.king.zxing;
/*
* Copyright (C) 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.content.Intent;
/**
* This class provides the constants to use when sending an Intent to Barcode Scanner.
* These strings are effectively API and cannot be changed.
*
* @author dswitkin@google.com (Daniel Switkin)
*/
public final class Intents {
private Intents() {
}
/**
* Constants related to the {@link Scan#ACTION} Intent.
*/
public static final class Scan {
/**
* Send this intent to open the Barcodes app in scanning mode, find a barcode, and return
* the results.
*/
public static final String ACTION = "com.google.zxing.client.android.SCAN";
/**
* By default, sending this will decode all barcodes that we understand. However it
* may be useful to limit scanning to certain formats. Use
* {@link android.content.Intent#putExtra(String, String)} with one of the values below.
*
* Setting this is effectively shorthand for setting explicit formats with {@link #FORMATS}.
* It is overridden by that setting.
*/
public static final String MODE = "SCAN_MODE";
/**
* Decode only UPC and EAN barcodes. This is the right choice for shopping apps which get
* prices, reviews, etc. for products.
*/
public static final String PRODUCT_MODE = "PRODUCT_MODE";
/**
* Decode only 1D barcodes.
*/
public static final String ONE_D_MODE = "ONE_D_MODE";
/**
* Decode only QR codes.
*/
public static final String QR_CODE_MODE = "QR_CODE_MODE";
/**
* Decode only Data Matrix codes.
*/
public static final String DATA_MATRIX_MODE = "DATA_MATRIX_MODE";
/**
* Decode only Aztec.
*/
public static final String AZTEC_MODE = "AZTEC_MODE";
/**
* Decode only PDF417.
*/
public static final String PDF417_MODE = "PDF417_MODE";
/**
* Comma-separated list of formats to scan for. The values must match the names of
* {@link com.google.zxing.BarcodeFormat}s, e.g. {@link com.google.zxing.BarcodeFormat#EAN_13}.
* Example: "EAN_13,EAN_8,QR_CODE". This overrides {@link #MODE}.
*/
public static final String FORMATS = "SCAN_FORMATS";
/**
* Optional parameter to specify the id of the camera from which to recognize barcodes.
* Overrides the default camera that would otherwise would have been selected.
* If provided, should be an int.
*/
public static final String CAMERA_ID = "SCAN_CAMERA_ID";
/**
* @see com.google.zxing.DecodeHintType#CHARACTER_SET
*/
public static final String CHARACTER_SET = "CHARACTER_SET";
/**
* Optional parameters to specify the width and height of the scanning rectangle in pixels.
* The app will try to honor these, but will clamp them to the size of the preview frame.
* You should specify both or neither, and pass the size as an int.
*/
public static final String WIDTH = "SCAN_WIDTH";
public static final String HEIGHT = "SCAN_HEIGHT";
/**
* Desired duration in milliseconds for which to pause after a successful scan before
* returning to the calling intent. Specified as a long, not an integer!
* For example: 1000L, not 1000.
*/
public static final String RESULT_DISPLAY_DURATION_MS = "RESULT_DISPLAY_DURATION_MS";
/**
* Prompt to show on-screen when scanning by intent. Specified as a {@link String}.
*/
public static final String PROMPT_MESSAGE = "PROMPT_MESSAGE";
/**
* If a barcode is found, Barcodes returns {@link android.app.Activity#RESULT_OK} to
* {@link android.app.Activity#onActivityResult(int, int, android.content.Intent)}
* of the app which requested the scan via
* {@link android.app.Activity#startActivityForResult(android.content.Intent, int)}
* The barcodes contents can be retrieved with
* {@link android.content.Intent#getStringExtra(String)}.
* If the user presses Back, the result code will be {@link android.app.Activity#RESULT_CANCELED}.
*/
public static final String RESULT = "SCAN_RESULT";
/**
* Call {@link android.content.Intent#getStringExtra(String)} with {@code RESULT_FORMAT}
* to determine which barcode format was found.
* See {@link com.google.zxing.BarcodeFormat} for possible values.
*/
public static final String RESULT_FORMAT = "SCAN_RESULT_FORMAT";
/**
* Call {@link android.content.Intent#getStringExtra(String)} with {@code RESULT_UPC_EAN_EXTENSION}
* to return the content of any UPC extension barcode that was also found. Only applicable
* to {@link com.google.zxing.BarcodeFormat#UPC_A} and {@link com.google.zxing.BarcodeFormat#EAN_13}
* formats.
*/
public static final String RESULT_UPC_EAN_EXTENSION = "SCAN_RESULT_UPC_EAN_EXTENSION";
/**
* Call {@link android.content.Intent#getByteArrayExtra(String)} with {@code RESULT_BYTES}
* to get a {@code byte[]} of raw bytes in the barcode, if available.
*/
public static final String RESULT_BYTES = "SCAN_RESULT_BYTES";
/**
* Key for the value of {@link com.google.zxing.ResultMetadataType#ORIENTATION}, if available.
* Call {@link android.content.Intent#getIntArrayExtra(String)} with {@code RESULT_ORIENTATION}.
*/
public static final String RESULT_ORIENTATION = "SCAN_RESULT_ORIENTATION";
/**
* Key for the value of {@link com.google.zxing.ResultMetadataType#ERROR_CORRECTION_LEVEL}, if available.
* Call {@link android.content.Intent#getStringExtra(String)} with {@code RESULT_ERROR_CORRECTION_LEVEL}.
*/
public static final String RESULT_ERROR_CORRECTION_LEVEL = "SCAN_RESULT_ERROR_CORRECTION_LEVEL";
/**
* Prefix for keys that map to the values of {@link com.google.zxing.ResultMetadataType#BYTE_SEGMENTS},
* if available. The actual values will be set under a series of keys formed by adding 0, 1, 2, ...
* to this prefix. So the first byte segment is under key "SCAN_RESULT_BYTE_SEGMENTS_0" for example.
* Call {@link android.content.Intent#getByteArrayExtra(String)} with these keys.
*/
public static final String RESULT_BYTE_SEGMENTS_PREFIX = "SCAN_RESULT_BYTE_SEGMENTS_";
/**
* Setting this to false will not save scanned codes in the history. Specified as a {@code boolean}.
*/
public static final String SAVE_HISTORY = "SAVE_HISTORY";
private Scan() {
}
}
/**
* Constants related to the scan history and retrieving history items.
*/
public static final class History {
public static final String ITEM_NUMBER = "ITEM_NUMBER";
private History() {
}
}
/**
* Constants related to the {@link Encode#ACTION} Intent.
*/
public static final class Encode {
/**
* Send this intent to encode a piece of data as a QR code and display it full screen, so
* that another person can scan the barcode from your screen.
*/
public static final String ACTION = "com.google.zxing.client.android.ENCODE";
/**
* The data to encode. Use {@link android.content.Intent#putExtra(String, String)} or
* {@link android.content.Intent#putExtra(String, android.os.Bundle)},
* depending on the type and format specified. Non-QR Code formats should
* just use a String here. For QR Code, see Contents for details.
*/
public static final String DATA = "ENCODE_DATA";
/**
* The type of data being supplied if the format is QR Code. Use
* {@link android.content.Intent#putExtra(String, String)} with one of Contents.Type.
*/
public static final String TYPE = "ENCODE_TYPE";
/**
* The barcode format to be displayed. If this isn't specified or is blank,
* it defaults to QR Code. Use {@link android.content.Intent#putExtra(String, String)}, where
* format is one of {@link com.google.zxing.BarcodeFormat}.
*/
public static final String FORMAT = "ENCODE_FORMAT";
/**
* Normally the contents of the barcode are displayed to the user in a TextView. Setting this
* boolean to false will hide that TextView, showing only the encode barcode.
*/
public static final String SHOW_CONTENTS = "ENCODE_SHOW_CONTENTS";
private Encode() {
}
}
/**
* Constants related to the {@link SearchBookContents#ACTION} Intent.
*/
public static final class SearchBookContents {
/**
* Use Google Book Search to search the contents of the book provided.
*/
public static final String ACTION = "com.google.zxing.client.android.SEARCH_BOOK_CONTENTS";
/**
* The book to search, identified by ISBN number.
*/
public static final String ISBN = "ISBN";
/**
* An optional field which is the text to search for.
*/
public static final String QUERY = "QUERY";
private SearchBookContents() {
}
}
/**
* Constants related to the {@link WifiConnect#ACTION} Intent.
*/
public static final class WifiConnect {
/**
* Internal intent used to trigger connection to a wi-fi network.
*/
public static final String ACTION = "com.google.zxing.client.android.WIFI_CONNECT";
/**
* The network to connect to, all the configuration provided here.
*/
public static final String SSID = "SSID";
/**
* The network to connect to, all the configuration provided here.
*/
public static final String TYPE = "TYPE";
/**
* The network to connect to, all the configuration provided here.
*/
public static final String PASSWORD = "PASSWORD";
private WifiConnect() {
}
}
/**
* Constants related to the {@link Share#ACTION} Intent.
*/
public static final class Share {
/**
* Give the user a choice of items to encode as a barcode, then render it as a QR Code and
* display onscreen for a friend to scan with their phone.
*/
public static final String ACTION = "com.google.zxing.client.android.SHARE";
private Share() {
}
}
// Not the best place for this, but, better than a new class
// Should be FLAG_ACTIVITY_NEW_DOCUMENT in API 21+.
// Defined once here because the current value is deprecated, so generates just one warning
public static final int FLAG_NEW_DOC = Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET;
}

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package com.king.zxing;
/*
* Copyright (C) 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
public final class Preferences {
public static final String KEY_DECODE_1D_PRODUCT = "preferences_decode_1D_product";
public static final String KEY_DECODE_1D_INDUSTRIAL = "preferences_decode_1D_industrial";
public static final String KEY_DECODE_QR = "preferences_decode_QR";
public static final String KEY_DECODE_DATA_MATRIX = "preferences_decode_Data_Matrix";
public static final String KEY_DECODE_AZTEC = "preferences_decode_Aztec";
public static final String KEY_DECODE_PDF417 = "preferences_decode_PDF417";
public static final String KEY_CUSTOM_PRODUCT_SEARCH = "preferences_custom_product_search";
public static final String KEY_PLAY_BEEP = "preferences_play_beep";
public static final String KEY_VIBRATE = "preferences_vibrate";
public static final String KEY_COPY_TO_CLIPBOARD = "preferences_copy_to_clipboard";
public static final String KEY_FRONT_LIGHT_MODE = "preferences_front_light_mode";
public static final String KEY_BULK_MODE = "preferences_bulk_mode";
public static final String KEY_REMEMBER_DUPLICATES = "preferences_remember_duplicates";
public static final String KEY_ENABLE_HISTORY = "preferences_history";
public static final String KEY_SUPPLEMENTAL = "preferences_supplemental";
public static final String KEY_AUTO_FOCUS = "preferences_auto_focus";
public static final String KEY_INVERT_SCAN = "preferences_invert_scan";
public static final String KEY_SEARCH_COUNTRY = "preferences_search_country";
public static final String KEY_DISABLE_AUTO_ORIENTATION = "preferences_orientation";
public static final String KEY_DISABLE_CONTINUOUS_FOCUS = "preferences_disable_continuous_focus";
public static final String KEY_DISABLE_EXPOSURE = "preferences_disable_exposure";
public static final String KEY_DISABLE_METERING = "preferences_disable_metering";
public static final String KEY_DISABLE_BARCODE_SCENE_MODE = "preferences_disable_barcode_scene_mode";
public static final String KEY_AUTO_OPEN_WEB = "preferences_auto_open_web";
}

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package com.king.zxing;
/*
* Copyright (C) 2009 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import com.google.zxing.ResultPoint;
import com.google.zxing.ResultPointCallback;
final class ViewfinderResultPointCallback implements ResultPointCallback {
private final ViewfinderView viewfinderView;
ViewfinderResultPointCallback(ViewfinderView viewfinderView) {
this.viewfinderView = viewfinderView;
}
@Override
public void foundPossibleResultPoint(ResultPoint point) {
viewfinderView.addPossibleResultPoint(point);
}
}

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package com.king.zxing;
/*
* Copyright (C) 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.LinearGradient;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Shader;
import android.support.v4.content.ContextCompat;
import android.text.Layout;
import android.text.StaticLayout;
import android.text.TextPaint;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.View;
import com.google.zxing.ResultPoint;
import com.king.zxing.camera.CameraManager;
import java.util.ArrayList;
import java.util.List;
/**
* This view is overlaid on top of the camera preview. It adds the viewfinder rectangle and partial
* transparency outside it, as well as the laser scanner animation and result points.
*
* @author dswitkin@google.com (Daniel Switkin)
*/
public final class ViewfinderView extends View {
private static final int[] SCANNER_ALPHA = {0, 64, 128, 192, 255, 192, 128, 64};
private static final long ANIMATION_DELAY = 20L;
private static final int CURRENT_POINT_OPACITY = 0xA0;
private static final int MAX_RESULT_POINTS = 20;
private static final int POINT_SIZE = 6;
private static final int CORNER_RECT_WIDTH = 8; //扫描区边角的宽
private static final int CORNER_RECT_HEIGHT = 40; //扫描区边角的高
private static final int SCANNER_LINE_MOVE_DISTANCE = 6; //扫描线移动距离
private static final int SCANNER_LINE_HEIGHT = 10; //扫描线宽度
private CameraManager cameraManager;
private final Paint paint;
private final TextPaint textPaint;
private Bitmap resultBitmap;
private final int maskColor;
// private final int resultColor;
//扫描区域边框颜色
private final int frameColor;
//扫描线颜色
private final int laserColor;
//四角颜色
private final int cornerColor;
private final int resultPointColor;
private int scannerAlpha;
private final float textPadding;
private TextLocation textLocation;
//扫描区域提示文本
private String labelText;
//扫描区域提示文本颜色
private final int labelTextColor;
private final float labelTextSize;
public static int scannerStart = 0;
public static int scannerEnd = 0;
private List<ResultPoint> possibleResultPoints;
private List<ResultPoint> lastPossibleResultPoints;
public enum TextLocation {
TOP(0),BOTTOM(1);
private int mValue;
TextLocation(int value){
mValue = value;
}
private static TextLocation getFromInt(int value){
for(TextLocation location : TextLocation.values()){
if(location.mValue == value){
return location;
}
}
return TextLocation.TOP;
}
}
// This constructor is used when the class is built from an XML resource.
public ViewfinderView(Context context, AttributeSet attrs) {
super(context, attrs);
//初始化自定义属性信息
TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.ViewfinderView);
maskColor = array.getColor(R.styleable.ViewfinderView_maskColor, ContextCompat.getColor(context,R.color.viewfinder_mask));
frameColor = array.getColor(R.styleable.ViewfinderView_frameColor, ContextCompat.getColor(context,R.color.viewfinder_frame));
cornerColor = array.getColor(R.styleable.ViewfinderView_cornerColor, ContextCompat.getColor(context,R.color.viewfinder_corner));
laserColor = array.getColor(R.styleable.ViewfinderView_laserColor, ContextCompat.getColor(context,R.color.viewfinder_laser));
resultPointColor = array.getColor(R.styleable.ViewfinderView_resultPointColor, ContextCompat.getColor(context,R.color.viewfinder_result_point_color));
labelText = array.getString(R.styleable.ViewfinderView_text);
labelTextColor = array.getColor(R.styleable.ViewfinderView_textColor, ContextCompat.getColor(context,R.color.viewfinder_text_color));
labelTextSize = array.getDimension(R.styleable.ViewfinderView_textSize, TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,14f,getResources().getDisplayMetrics()));
textPadding = array.getDimension(R.styleable.ViewfinderView_textPadding,TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,24,getResources().getDisplayMetrics()));
textLocation = TextLocation.getFromInt(array.getInt(R.styleable.ViewfinderView_textLocation,0));
paint = new Paint(Paint.ANTI_ALIAS_FLAG);
textPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
scannerAlpha = 0;
possibleResultPoints = new ArrayList<>(5);
lastPossibleResultPoints = null;
}
public void setCameraManager(CameraManager cameraManager) {
this.cameraManager = cameraManager;
}
@SuppressLint("DrawAllocation")
@Override
public void onDraw(Canvas canvas) {
if (cameraManager == null) {
return; // not ready yet, early draw before done configuring
}
Rect frame = cameraManager.getFramingRect();
Rect previewFrame = cameraManager.getFramingRectInPreview();
if (frame == null || previewFrame == null) {
return;
}
if(scannerStart == 0 || scannerEnd == 0) {
scannerStart = frame.top;
scannerEnd = frame.bottom - SCANNER_LINE_HEIGHT;
}
int width = canvas.getWidth();
int height = canvas.getHeight();
// Draw the exterior (i.e. outside the framing rect) darkened
drawExterior(canvas,frame,width,height);
if (resultBitmap != null) {
// Draw the opaque result bitmap over the scanning rectangle
paint.setAlpha(CURRENT_POINT_OPACITY);
canvas.drawBitmap(resultBitmap, null, frame, paint);
} else {
// Draw a red "laser scanner" line through the middle to show decoding is active
// paint.setColor(laserColor);
// paint.setAlpha(SCANNER_ALPHA[scannerAlpha]);
// scannerAlpha = (scannerAlpha + 1) % SCANNER_ALPHA.length;
// Draw a two pixel solid black border inside the framing rect
drawFrame(canvas, frame);
// 绘制边角
drawCorner(canvas, frame);
// Draw a red "laser scanner" line through the middle to show decoding is active
drawLaserScanner(canvas,frame);
//绘制提示信息
drawTextInfo(canvas, frame);
float scaleX = frame.width() / (float) previewFrame.width();
float scaleY = frame.height() / (float) previewFrame.height();
List<ResultPoint> currentPossible = possibleResultPoints;
List<ResultPoint> currentLast = lastPossibleResultPoints;
int frameLeft = frame.left;
int frameTop = frame.top;
if (currentPossible.isEmpty()) {
lastPossibleResultPoints = null;
} else {
possibleResultPoints = new ArrayList<>(5);
lastPossibleResultPoints = currentPossible;
paint.setAlpha(CURRENT_POINT_OPACITY);
paint.setColor(resultPointColor);
synchronized (currentPossible) {
for (ResultPoint point : currentPossible) {
canvas.drawCircle(frameLeft + (int) (point.getX() * scaleX),
frameTop + (int) (point.getY() * scaleY),
POINT_SIZE, paint);
}
}
}
if (currentLast != null) {
paint.setAlpha(CURRENT_POINT_OPACITY / 2);
paint.setColor(resultPointColor);
synchronized (currentLast) {
float radius = POINT_SIZE / 2.0f;
for (ResultPoint point : currentLast) {
canvas.drawCircle(frameLeft + (int) (point.getX() * scaleX),
frameTop + (int) (point.getY() * scaleY),
radius, paint);
}
}
}
// Request another update at the animation interval, but only repaint the laser line,
// not the entire viewfinder mask.
postInvalidateDelayed(ANIMATION_DELAY,
frame.left - POINT_SIZE,
frame.top - POINT_SIZE,
frame.right + POINT_SIZE,
frame.bottom + POINT_SIZE);
}
}
//绘制文本
private void drawTextInfo(Canvas canvas, Rect frame) {
if(!TextUtils.isEmpty(labelText)){
textPaint.setColor(labelTextColor);
textPaint.setTextSize(labelTextSize);
textPaint.setTextAlign(Paint.Align.CENTER);
StaticLayout staticLayout = new StaticLayout(labelText,textPaint,canvas.getWidth(), Layout.Alignment.ALIGN_NORMAL,1.0f,0.0f,true);
if(textLocation == TextLocation.BOTTOM){
canvas.translate(frame.left + frame.width() / 2,frame.bottom + textPadding);
staticLayout.draw(canvas);
}else{
canvas.translate(frame.left + frame.width() / 2,frame.top - textPadding - staticLayout.getHeight());
staticLayout.draw(canvas);
}
}
}
//绘制边角
private void drawCorner(Canvas canvas, Rect frame) {
paint.setColor(cornerColor);
//左上
canvas.drawRect(frame.left, frame.top, frame.left + CORNER_RECT_WIDTH, frame.top + CORNER_RECT_HEIGHT, paint);
canvas.drawRect(frame.left, frame.top, frame.left + CORNER_RECT_HEIGHT, frame.top + CORNER_RECT_WIDTH, paint);
//右上
canvas.drawRect(frame.right - CORNER_RECT_WIDTH, frame.top, frame.right, frame.top + CORNER_RECT_HEIGHT, paint);
canvas.drawRect(frame.right - CORNER_RECT_HEIGHT, frame.top, frame.right, frame.top + CORNER_RECT_WIDTH, paint);
//左下
canvas.drawRect(frame.left, frame.bottom - CORNER_RECT_WIDTH, frame.left + CORNER_RECT_HEIGHT, frame.bottom, paint);
canvas.drawRect(frame.left, frame.bottom - CORNER_RECT_HEIGHT, frame.left + CORNER_RECT_WIDTH, frame.bottom, paint);
//右下
canvas.drawRect(frame.right - CORNER_RECT_WIDTH, frame.bottom - CORNER_RECT_HEIGHT, frame.right, frame.bottom, paint);
canvas.drawRect(frame.right - CORNER_RECT_HEIGHT, frame.bottom - CORNER_RECT_WIDTH, frame.right, frame.bottom, paint);
}
//绘制扫描线
private void drawLaserScanner(Canvas canvas, Rect frame) {
paint.setColor(laserColor);
//线性渐变
LinearGradient linearGradient = new LinearGradient(
frame.left, scannerStart,
frame.left, scannerStart + SCANNER_LINE_HEIGHT,
shadeColor(laserColor),
laserColor,
Shader.TileMode.MIRROR);
paint.setShader(linearGradient);
if(scannerStart <= scannerEnd) {
//椭圆
RectF rectF = new RectF(frame.left + 2 * SCANNER_LINE_HEIGHT, scannerStart, frame.right - 2 * SCANNER_LINE_HEIGHT, scannerStart + SCANNER_LINE_HEIGHT);
canvas.drawOval(rectF, paint);
scannerStart += SCANNER_LINE_MOVE_DISTANCE;
} else {
scannerStart = frame.top;
}
paint.setShader(null);
}
//处理颜色模糊
public int shadeColor(int color) {
String hax = Integer.toHexString(color);
String result = "20"+hax.substring(2);
return Integer.valueOf(result, 16);
}
// 绘制扫描区边框 Draw a two pixel solid black border inside the framing rect
private void drawFrame(Canvas canvas, Rect frame) {
paint.setColor(frameColor);
canvas.drawRect(frame.left, frame.top, frame.right + 1, frame.top + 2, paint);
canvas.drawRect(frame.left, frame.top + 2, frame.left + 2, frame.bottom - 1, paint);
canvas.drawRect(frame.right - 1, frame.top, frame.right + 1, frame.bottom - 1, paint);
canvas.drawRect(frame.left, frame.bottom - 1, frame.right + 1, frame.bottom + 1, paint);
}
// 绘制模糊区域 Draw the exterior (i.e. outside the framing rect) darkened
private void drawExterior(Canvas canvas, Rect frame, int width, int height) {
paint.setColor(maskColor);
canvas.drawRect(0, 0, width, frame.top, paint);
canvas.drawRect(0, frame.top, frame.left, frame.bottom + 1, paint);
canvas.drawRect(frame.right + 1, frame.top, width, frame.bottom + 1, paint);
canvas.drawRect(0, frame.bottom + 1, width, height, paint);
}
public void drawViewfinder() {
Bitmap resultBitmap = this.resultBitmap;
this.resultBitmap = null;
if (resultBitmap != null) {
resultBitmap.recycle();
}
invalidate();
}
// /**
// * Draw a bitmap with the result points highlighted instead of the live scanning display.
// *
// * @param barcode An image of the decoded barcode.
// */
// public void drawResultBitmap(Bitmap barcode) {
// resultBitmap = barcode;
// invalidate();
// }
public void addPossibleResultPoint(ResultPoint point) {
List<ResultPoint> points = possibleResultPoints;
synchronized (points) {
points.add(point);
int size = points.size();
if (size > MAX_RESULT_POINTS) {
// trim it
points.subList(0, size - MAX_RESULT_POINTS / 2).clear();
}
}
}
}

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package com.king.zxing.camera;
/*
* Copyright (C) 2012 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.content.Context;
import android.content.SharedPreferences;
import android.hardware.Camera;
import android.os.AsyncTask;
import android.preference.PreferenceManager;
import android.util.Log;
import java.util.ArrayList;
import java.util.Collection;
import java.util.concurrent.RejectedExecutionException;
import com.king.zxing.Preferences;
@SuppressWarnings("deprecation") // camera APIs
final class AutoFocusManager implements Camera.AutoFocusCallback {
private static final String TAG = AutoFocusManager.class.getSimpleName();
private static final long AUTO_FOCUS_INTERVAL_MS = 1000L;
private static final Collection<String> FOCUS_MODES_CALLING_AF;
static {
FOCUS_MODES_CALLING_AF = new ArrayList<>(2);
FOCUS_MODES_CALLING_AF.add(Camera.Parameters.FOCUS_MODE_AUTO);
FOCUS_MODES_CALLING_AF.add(Camera.Parameters.FOCUS_MODE_MACRO);
}
private boolean stopped;
private boolean focusing;
private final boolean useAutoFocus;
private final Camera camera;
private AsyncTask<?,?,?> outstandingTask;
AutoFocusManager(Context context, Camera camera) {
this.camera = camera;
SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
String currentFocusMode = camera.getParameters().getFocusMode();
useAutoFocus =
sharedPrefs.getBoolean(Preferences.KEY_AUTO_FOCUS, true) &&
FOCUS_MODES_CALLING_AF.contains(currentFocusMode);
Log.i(TAG, "Current focus mode '" + currentFocusMode + "'; use auto focus? " + useAutoFocus);
start();
}
@Override
public synchronized void onAutoFocus(boolean success, Camera theCamera) {
focusing = false;
autoFocusAgainLater();
}
private synchronized void autoFocusAgainLater() {
if (!stopped && outstandingTask == null) {
AutoFocusTask newTask = new AutoFocusTask();
try {
newTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
outstandingTask = newTask;
} catch (RejectedExecutionException ree) {
Log.w(TAG, "Could not request auto focus", ree);
}
}
}
synchronized void start() {
if (useAutoFocus) {
outstandingTask = null;
if (!stopped && !focusing) {
try {
camera.autoFocus(this);
focusing = true;
} catch (RuntimeException re) {
// Have heard RuntimeException reported in Android 4.0.x+; continue?
Log.w(TAG, "Unexpected exception while focusing", re);
// Try again later to keep cycle going
autoFocusAgainLater();
}
}
}
}
private synchronized void cancelOutstandingTask() {
if (outstandingTask != null) {
if (outstandingTask.getStatus() != AsyncTask.Status.FINISHED) {
outstandingTask.cancel(true);
}
outstandingTask = null;
}
}
synchronized void stop() {
stopped = true;
if (useAutoFocus) {
cancelOutstandingTask();
// Doesn't hurt to call this even if not focusing
try {
camera.cancelAutoFocus();
} catch (RuntimeException re) {
// Have heard RuntimeException reported in Android 4.0.x+; continue?
Log.w(TAG, "Unexpected exception while cancelling focusing", re);
}
}
}
private final class AutoFocusTask extends AsyncTask<Object,Object,Object> {
@Override
protected Object doInBackground(Object... voids) {
try {
Thread.sleep(AUTO_FOCUS_INTERVAL_MS);
} catch (InterruptedException e) {
// continue
}
start();
return null;
}
}
}

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package com.king.zxing.camera;
/*
* Copyright (C) 2010 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Point;
import android.hardware.Camera;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.Display;
import android.view.Surface;
import android.view.WindowManager;
import com.king.zxing.Preferences;
import com.king.zxing.camera.open.CameraFacing;
import com.king.zxing.camera.open.OpenCamera;
/**
* A class which deals with reading, parsing, and setting the camera parameters which are used to
* configure the camera hardware.
*/
@SuppressWarnings("deprecation") // camera APIs
final class CameraConfigurationManager {
private static final String TAG = "CameraConfiguration";
private final Context context;
private int cwNeededRotation;
private int cwRotationFromDisplayToCamera;
private Point screenResolution;
private Point cameraResolution;
private Point bestPreviewSize;
private Point previewSizeOnScreen;
CameraConfigurationManager(Context context) {
this.context = context;
}
/**
* Reads, one time, values from the camera that are needed by the app.
*/
void initFromCameraParameters(OpenCamera camera) {
Camera.Parameters parameters = camera.getCamera().getParameters();
WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display display = manager.getDefaultDisplay();
int displayRotation = display.getRotation();
int cwRotationFromNaturalToDisplay;
switch (displayRotation) {
case Surface.ROTATION_0:
cwRotationFromNaturalToDisplay = 0;
break;
case Surface.ROTATION_90:
cwRotationFromNaturalToDisplay = 90;
break;
case Surface.ROTATION_180:
cwRotationFromNaturalToDisplay = 180;
break;
case Surface.ROTATION_270:
cwRotationFromNaturalToDisplay = 270;
break;
default:
// Have seen this return incorrect values like -90
if (displayRotation % 90 == 0) {
cwRotationFromNaturalToDisplay = (360 + displayRotation) % 360;
} else {
throw new IllegalArgumentException("Bad rotation: " + displayRotation);
}
}
Log.i(TAG, "Display at: " + cwRotationFromNaturalToDisplay);
int cwRotationFromNaturalToCamera = camera.getOrientation();
Log.i(TAG, "Camera at: " + cwRotationFromNaturalToCamera);
// Still not 100% sure about this. But acts like we need to flip this:
if (camera.getFacing() == CameraFacing.FRONT) {
cwRotationFromNaturalToCamera = (360 - cwRotationFromNaturalToCamera) % 360;
Log.i(TAG, "Front camera overriden to: " + cwRotationFromNaturalToCamera);
}
/*
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
String overrideRotationString;
if (camera.getFacing() == CameraFacing.FRONT) {
overrideRotationString = prefs.getString(PreferencesActivity.KEY_FORCE_CAMERA_ORIENTATION_FRONT, null);
} else {
overrideRotationString = prefs.getString(PreferencesActivity.KEY_FORCE_CAMERA_ORIENTATION, null);
}
if (overrideRotationString != null && !"-".equals(overrideRotationString)) {
Log.i(TAG, "Overriding camera manually to " + overrideRotationString);
cwRotationFromNaturalToCamera = Integer.parseInt(overrideRotationString);
}
*/
cwRotationFromDisplayToCamera =
(360 + cwRotationFromNaturalToCamera - cwRotationFromNaturalToDisplay) % 360;
Log.i(TAG, "Final display orientation: " + cwRotationFromDisplayToCamera);
if (camera.getFacing() == CameraFacing.FRONT) {
Log.i(TAG, "Compensating rotation for front camera");
cwNeededRotation = (360 - cwRotationFromDisplayToCamera) % 360;
} else {
cwNeededRotation = cwRotationFromDisplayToCamera;
}
Log.i(TAG, "Clockwise rotation from display to camera: " + cwNeededRotation);
Point theScreenResolution = new Point();
display.getSize(theScreenResolution);
screenResolution = theScreenResolution;
Log.i(TAG, "Screen resolution in current orientation: " + screenResolution);
cameraResolution = CameraConfigurationUtils.findBestPreviewSizeValue(parameters, screenResolution);
Log.i(TAG, "Camera resolution: " + cameraResolution);
bestPreviewSize = CameraConfigurationUtils.findBestPreviewSizeValue(parameters, screenResolution);
Log.i(TAG, "Best available preview size: " + bestPreviewSize);
boolean isScreenPortrait = screenResolution.x < screenResolution.y;
boolean isPreviewSizePortrait = bestPreviewSize.x < bestPreviewSize.y;
if (isScreenPortrait == isPreviewSizePortrait) {
previewSizeOnScreen = bestPreviewSize;
} else {
previewSizeOnScreen = new Point(bestPreviewSize.y, bestPreviewSize.x);
}
Log.i(TAG, "Preview size on screen: " + previewSizeOnScreen);
}
void setDesiredCameraParameters(OpenCamera camera, boolean safeMode) {
Camera theCamera = camera.getCamera();
Camera.Parameters parameters = theCamera.getParameters();
if (parameters == null) {
Log.w(TAG, "Device error: no camera parameters are available. Proceeding without configuration.");
return;
}
Log.i(TAG, "Initial camera parameters: " + parameters.flatten());
if (safeMode) {
Log.w(TAG, "In camera config safe mode -- most settings will not be honored");
}
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
initializeTorch(parameters, prefs, safeMode);
CameraConfigurationUtils.setFocus(
parameters,
prefs.getBoolean(Preferences.KEY_AUTO_FOCUS, true),
prefs.getBoolean(Preferences.KEY_DISABLE_CONTINUOUS_FOCUS, true),
safeMode);
if (!safeMode) {
if (prefs.getBoolean(Preferences.KEY_INVERT_SCAN, false)) {
CameraConfigurationUtils.setInvertColor(parameters);
}
if (!prefs.getBoolean(Preferences.KEY_DISABLE_BARCODE_SCENE_MODE, true)) {
CameraConfigurationUtils.setBarcodeSceneMode(parameters);
}
if (!prefs.getBoolean(Preferences.KEY_DISABLE_METERING, true)) {
CameraConfigurationUtils.setVideoStabilization(parameters);
CameraConfigurationUtils.setFocusArea(parameters);
CameraConfigurationUtils.setMetering(parameters);
}
//SetRecordingHint to true also a workaround for low framerate on Nexus 4
//https://stackoverflow.com/questions/14131900/extreme-camera-lag-on-nexus-4
parameters.setRecordingHint(true);
}
parameters.setPreviewSize(bestPreviewSize.x, bestPreviewSize.y);
theCamera.setParameters(parameters);
theCamera.setDisplayOrientation(cwRotationFromDisplayToCamera);
Camera.Parameters afterParameters = theCamera.getParameters();
Camera.Size afterSize = afterParameters.getPreviewSize();
if (afterSize != null && (bestPreviewSize.x != afterSize.width || bestPreviewSize.y != afterSize.height)) {
Log.w(TAG, "Camera said it supported preview size " + bestPreviewSize.x + 'x' + bestPreviewSize.y +
", but after setting it, preview size is " + afterSize.width + 'x' + afterSize.height);
bestPreviewSize.x = afterSize.width;
bestPreviewSize.y = afterSize.height;
}
}
Point getBestPreviewSize() {
return bestPreviewSize;
}
Point getPreviewSizeOnScreen() {
return previewSizeOnScreen;
}
Point getCameraResolution() {
return cameraResolution;
}
Point getScreenResolution() {
return screenResolution;
}
int getCWNeededRotation() {
return cwNeededRotation;
}
boolean getTorchState(Camera camera) {
if (camera != null) {
Camera.Parameters parameters = camera.getParameters();
if (parameters != null) {
String flashMode = parameters.getFlashMode();
return
Camera.Parameters.FLASH_MODE_ON.equals(flashMode) ||
Camera.Parameters.FLASH_MODE_TORCH.equals(flashMode);
}
}
return false;
}
void setTorch(Camera camera, boolean newSetting) {
Camera.Parameters parameters = camera.getParameters();
doSetTorch(parameters, newSetting, false);
camera.setParameters(parameters);
}
private void initializeTorch(Camera.Parameters parameters, SharedPreferences prefs, boolean safeMode) {
boolean currentSetting = FrontLightMode.readPref(prefs) == FrontLightMode.ON;
doSetTorch(parameters, currentSetting, safeMode);
}
private void doSetTorch(Camera.Parameters parameters, boolean newSetting, boolean safeMode) {
CameraConfigurationUtils.setTorch(parameters, newSetting);
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
if (!safeMode && !prefs.getBoolean(Preferences.KEY_DISABLE_EXPOSURE, true)) {
CameraConfigurationUtils.setBestExposure(parameters, newSetting);
}
}
}

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package com.king.zxing.camera;
/*
* Copyright (C) 2014 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.graphics.Point;
import android.graphics.Rect;
import android.hardware.Camera;
import android.os.Build;
import android.util.Log;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.regex.Pattern;
/**
* Utility methods for configuring the Android camera.
*
* @author Sean Owen
*/
@SuppressWarnings("deprecation") // camera APIs
public final class CameraConfigurationUtils {
private static final String TAG = "CameraConfiguration";
private static final Pattern SEMICOLON = Pattern.compile(";");
private static final int MIN_PREVIEW_PIXELS = 480 * 320; // normal screen
private static final float MAX_EXPOSURE_COMPENSATION = 1.5f;
private static final float MIN_EXPOSURE_COMPENSATION = 0.0f;
private static final double MAX_ASPECT_DISTORTION = 0.15;
private static final int MIN_FPS = 10;
private static final int MAX_FPS = 20;
private static final int AREA_PER_1000 = 400;
private CameraConfigurationUtils() {
}
public static void setFocus(Camera.Parameters parameters,
boolean autoFocus,
boolean disableContinuous,
boolean safeMode) {
List<String> supportedFocusModes = parameters.getSupportedFocusModes();
String focusMode = null;
if (autoFocus) {
if (safeMode || disableContinuous) {
focusMode = findSettableValue("focus mode",
supportedFocusModes,
Camera.Parameters.FOCUS_MODE_AUTO);
} else {
focusMode = findSettableValue("focus mode",
supportedFocusModes,
Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE,
Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO,
Camera.Parameters.FOCUS_MODE_AUTO);
}
}
// Maybe selected auto-focus but not available, so fall through here:
if (!safeMode && focusMode == null) {
focusMode = findSettableValue("focus mode",
supportedFocusModes,
Camera.Parameters.FOCUS_MODE_MACRO,
Camera.Parameters.FOCUS_MODE_EDOF);
}
if (focusMode != null) {
if (focusMode.equals(parameters.getFocusMode())) {
Log.i(TAG, "Focus mode already set to " + focusMode);
} else {
parameters.setFocusMode(focusMode);
}
}
}
public static void setTorch(Camera.Parameters parameters, boolean on) {
List<String> supportedFlashModes = parameters.getSupportedFlashModes();
String flashMode;
if (on) {
flashMode = findSettableValue("flash mode",
supportedFlashModes,
Camera.Parameters.FLASH_MODE_TORCH,
Camera.Parameters.FLASH_MODE_ON);
} else {
flashMode = findSettableValue("flash mode",
supportedFlashModes,
Camera.Parameters.FLASH_MODE_OFF);
}
if (flashMode != null) {
if (flashMode.equals(parameters.getFlashMode())) {
Log.i(TAG, "Flash mode already set to " + flashMode);
} else {
Log.i(TAG, "Setting flash mode to " + flashMode);
parameters.setFlashMode(flashMode);
}
}
}
public static void setBestExposure(Camera.Parameters parameters, boolean lightOn) {
int minExposure = parameters.getMinExposureCompensation();
int maxExposure = parameters.getMaxExposureCompensation();
float step = parameters.getExposureCompensationStep();
if ((minExposure != 0 || maxExposure != 0) && step > 0.0f) {
// Set low when light is on
float targetCompensation = lightOn ? MIN_EXPOSURE_COMPENSATION : MAX_EXPOSURE_COMPENSATION;
int compensationSteps = Math.round(targetCompensation / step);
float actualCompensation = step * compensationSteps;
// Clamp value:
compensationSteps = Math.max(Math.min(compensationSteps, maxExposure), minExposure);
if (parameters.getExposureCompensation() == compensationSteps) {
Log.i(TAG, "Exposure compensation already set to " + compensationSteps + " / " + actualCompensation);
} else {
Log.i(TAG, "Setting exposure compensation to " + compensationSteps + " / " + actualCompensation);
parameters.setExposureCompensation(compensationSteps);
}
} else {
Log.i(TAG, "Camera does not support exposure compensation");
}
}
public static void setBestPreviewFPS(Camera.Parameters parameters) {
setBestPreviewFPS(parameters, MIN_FPS, MAX_FPS);
}
public static void setBestPreviewFPS(Camera.Parameters parameters, int minFPS, int maxFPS) {
List<int[]> supportedPreviewFpsRanges = parameters.getSupportedPreviewFpsRange();
Log.i(TAG, "Supported FPS ranges: " + toString(supportedPreviewFpsRanges));
if (supportedPreviewFpsRanges != null && !supportedPreviewFpsRanges.isEmpty()) {
int[] suitableFPSRange = null;
for (int[] fpsRange : supportedPreviewFpsRanges) {
int thisMin = fpsRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX];
int thisMax = fpsRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX];
if (thisMin >= minFPS * 1000 && thisMax <= maxFPS * 1000) {
suitableFPSRange = fpsRange;
break;
}
}
if (suitableFPSRange == null) {
Log.i(TAG, "No suitable FPS range?");
} else {
int[] currentFpsRange = new int[2];
parameters.getPreviewFpsRange(currentFpsRange);
if (Arrays.equals(currentFpsRange, suitableFPSRange)) {
Log.i(TAG, "FPS range already set to " + Arrays.toString(suitableFPSRange));
} else {
Log.i(TAG, "Setting FPS range to " + Arrays.toString(suitableFPSRange));
parameters.setPreviewFpsRange(suitableFPSRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
suitableFPSRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
}
}
}
}
public static void setFocusArea(Camera.Parameters parameters) {
if (parameters.getMaxNumFocusAreas() > 0) {
Log.i(TAG, "Old focus areas: " + toString(parameters.getFocusAreas()));
List<Camera.Area> middleArea = buildMiddleArea(AREA_PER_1000);
Log.i(TAG, "Setting focus area to : " + toString(middleArea));
parameters.setFocusAreas(middleArea);
} else {
Log.i(TAG, "Device does not support focus areas");
}
}
public static void setMetering(Camera.Parameters parameters) {
if (parameters.getMaxNumMeteringAreas() > 0) {
Log.i(TAG, "Old metering areas: " + parameters.getMeteringAreas());
List<Camera.Area> middleArea = buildMiddleArea(AREA_PER_1000);
Log.i(TAG, "Setting metering area to : " + toString(middleArea));
parameters.setMeteringAreas(middleArea);
} else {
Log.i(TAG, "Device does not support metering areas");
}
}
private static List<Camera.Area> buildMiddleArea(int areaPer1000) {
return Collections.singletonList(
new Camera.Area(new Rect(-areaPer1000, -areaPer1000, areaPer1000, areaPer1000), 1));
}
public static void setVideoStabilization(Camera.Parameters parameters) {
if (parameters.isVideoStabilizationSupported()) {
if (parameters.getVideoStabilization()) {
Log.i(TAG, "Video stabilization already enabled");
} else {
Log.i(TAG, "Enabling video stabilization...");
parameters.setVideoStabilization(true);
}
} else {
Log.i(TAG, "This device does not support video stabilization");
}
}
public static void setBarcodeSceneMode(Camera.Parameters parameters) {
if (Camera.Parameters.SCENE_MODE_BARCODE.equals(parameters.getSceneMode())) {
Log.i(TAG, "Barcode scene mode already set");
return;
}
String sceneMode = findSettableValue("scene mode",
parameters.getSupportedSceneModes(),
Camera.Parameters.SCENE_MODE_BARCODE);
if (sceneMode != null) {
parameters.setSceneMode(sceneMode);
}
}
public static void setZoom(Camera.Parameters parameters, double targetZoomRatio) {
if (parameters.isZoomSupported()) {
Integer zoom = indexOfClosestZoom(parameters, targetZoomRatio);
if (zoom == null) {
return;
}
if (parameters.getZoom() == zoom) {
Log.i(TAG, "Zoom is already set to " + zoom);
} else {
Log.i(TAG, "Setting zoom to " + zoom);
parameters.setZoom(zoom);
}
} else {
Log.i(TAG, "Zoom is not supported");
}
}
private static Integer indexOfClosestZoom(Camera.Parameters parameters, double targetZoomRatio) {
List<Integer> ratios = parameters.getZoomRatios();
Log.i(TAG, "Zoom ratios: " + ratios);
int maxZoom = parameters.getMaxZoom();
if (ratios == null || ratios.isEmpty() || ratios.size() != maxZoom + 1) {
Log.w(TAG, "Invalid zoom ratios!");
return null;
}
double target100 = 100.0 * targetZoomRatio;
double smallestDiff = Double.POSITIVE_INFINITY;
int closestIndex = 0;
for (int i = 0; i < ratios.size(); i++) {
double diff = Math.abs(ratios.get(i) - target100);
if (diff < smallestDiff) {
smallestDiff = diff;
closestIndex = i;
}
}
Log.i(TAG, "Chose zoom ratio of " + (ratios.get(closestIndex) / 100.0));
return closestIndex;
}
public static void setInvertColor(Camera.Parameters parameters) {
if (Camera.Parameters.EFFECT_NEGATIVE.equals(parameters.getColorEffect())) {
Log.i(TAG, "Negative effect already set");
return;
}
String colorMode = findSettableValue("color effect",
parameters.getSupportedColorEffects(),
Camera.Parameters.EFFECT_NEGATIVE);
if (colorMode != null) {
parameters.setColorEffect(colorMode);
}
}
public static Point findBestPreviewSizeValue(Camera.Parameters parameters, Point screenResolution) {
List<Camera.Size> rawSupportedSizes = parameters.getSupportedPreviewSizes();
if (rawSupportedSizes == null) {
Log.w(TAG, "Device returned no supported preview sizes; using default");
Camera.Size defaultSize = parameters.getPreviewSize();
if (defaultSize == null) {
throw new IllegalStateException("Parameters contained no preview size!");
}
return new Point(defaultSize.width, defaultSize.height);
}
if (Log.isLoggable(TAG, Log.INFO)) {
StringBuilder previewSizesString = new StringBuilder();
for (Camera.Size size : rawSupportedSizes) {
previewSizesString.append(size.width).append('x').append(size.height).append(' ');
}
Log.i(TAG, "Supported preview sizes: " + previewSizesString);
}
double screenAspectRatio = screenResolution.x / (double) screenResolution.y;
// Find a suitable size, with max resolution
int maxResolution = 0;
Camera.Size maxResPreviewSize = null;
for (Camera.Size size : rawSupportedSizes) {
int realWidth = size.width;
int realHeight = size.height;
int resolution = realWidth * realHeight;
if (resolution < MIN_PREVIEW_PIXELS) {
continue;
}
boolean isCandidatePortrait = realWidth < realHeight;
int maybeFlippedWidth = isCandidatePortrait ? realHeight : realWidth;
int maybeFlippedHeight = isCandidatePortrait ? realWidth : realHeight;
double aspectRatio = maybeFlippedWidth / (double) maybeFlippedHeight;
double distortion = Math.abs(aspectRatio - screenAspectRatio);
if (distortion > MAX_ASPECT_DISTORTION) {
continue;
}
if (maybeFlippedWidth == screenResolution.x && maybeFlippedHeight == screenResolution.y) {
Point exactPoint = new Point(realWidth, realHeight);
Log.i(TAG, "Found preview size exactly matching screen size: " + exactPoint);
return exactPoint;
}
// Resolution is suitable; record the one with max resolution
if (resolution > maxResolution) {
maxResolution = resolution;
maxResPreviewSize = size;
}
}
// If no exact match, use largest preview size. This was not a great idea on older devices because
// of the additional computation needed. We're likely to get here on newer Android 4+ devices, where
// the CPU is much more powerful.
if (maxResPreviewSize != null) {
Point largestSize = new Point(maxResPreviewSize.width, maxResPreviewSize.height);
Log.i(TAG, "Using largest suitable preview size: " + largestSize);
return largestSize;
}
// If there is nothing at all suitable, return current preview size
Camera.Size defaultPreview = parameters.getPreviewSize();
if (defaultPreview == null) {
throw new IllegalStateException("Parameters contained no preview size!");
}
Point defaultSize = new Point(defaultPreview.width, defaultPreview.height);
Log.i(TAG, "No suitable preview sizes, using default: " + defaultSize);
return defaultSize;
}
private static String findSettableValue(String name,
Collection<String> supportedValues,
String... desiredValues) {
Log.i(TAG, "Requesting " + name + " value from among: " + Arrays.toString(desiredValues));
Log.i(TAG, "Supported " + name + " values: " + supportedValues);
if (supportedValues != null) {
for (String desiredValue : desiredValues) {
if (supportedValues.contains(desiredValue)) {
Log.i(TAG, "Can set " + name + " to: " + desiredValue);
return desiredValue;
}
}
}
Log.i(TAG, "No supported values match");
return null;
}
private static String toString(Collection<int[]> arrays) {
if (arrays == null || arrays.isEmpty()) {
return "[]";
}
StringBuilder buffer = new StringBuilder();
buffer.append('[');
Iterator<int[]> it = arrays.iterator();
while (it.hasNext()) {
buffer.append(Arrays.toString(it.next()));
if (it.hasNext()) {
buffer.append(", ");
}
}
buffer.append(']');
return buffer.toString();
}
private static String toString(Iterable<Camera.Area> areas) {
if (areas == null) {
return null;
}
StringBuilder result = new StringBuilder();
for (Camera.Area area : areas) {
result.append(area.rect).append(':').append(area.weight).append(' ');
}
return result.toString();
}
public static String collectStats(Camera.Parameters parameters) {
return collectStats(parameters.flatten());
}
public static String collectStats(CharSequence flattenedParams) {
StringBuilder result = new StringBuilder(1000);
result.append("BOARD=").append(Build.BOARD).append('\n');
result.append("BRAND=").append(Build.BRAND).append('\n');
result.append("CPU_ABI=").append(Build.CPU_ABI).append('\n');
result.append("DEVICE=").append(Build.DEVICE).append('\n');
result.append("DISPLAY=").append(Build.DISPLAY).append('\n');
result.append("FINGERPRINT=").append(Build.FINGERPRINT).append('\n');
result.append("HOST=").append(Build.HOST).append('\n');
result.append("ID=").append(Build.ID).append('\n');
result.append("MANUFACTURER=").append(Build.MANUFACTURER).append('\n');
result.append("MODEL=").append(Build.MODEL).append('\n');
result.append("PRODUCT=").append(Build.PRODUCT).append('\n');
result.append("TAGS=").append(Build.TAGS).append('\n');
result.append("TIME=").append(Build.TIME).append('\n');
result.append("TYPE=").append(Build.TYPE).append('\n');
result.append("USER=").append(Build.USER).append('\n');
result.append("VERSION.CODENAME=").append(Build.VERSION.CODENAME).append('\n');
result.append("VERSION.INCREMENTAL=").append(Build.VERSION.INCREMENTAL).append('\n');
result.append("VERSION.RELEASE=").append(Build.VERSION.RELEASE).append('\n');
result.append("VERSION.SDK_INT=").append(Build.VERSION.SDK_INT).append('\n');
if (flattenedParams != null) {
String[] params = SEMICOLON.split(flattenedParams);
Arrays.sort(params);
for (String param : params) {
result.append(param).append('\n');
}
}
return result.toString();
}
}

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package com.king.zxing.camera;
/*
* Copyright (C) 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.content.Context;
import android.graphics.Point;
import android.graphics.Rect;
import android.hardware.Camera;
import android.os.Handler;
import android.util.Log;
import android.view.SurfaceHolder;
import com.google.zxing.PlanarYUVLuminanceSource;
import com.king.zxing.camera.open.OpenCamera;
import com.king.zxing.camera.open.OpenCameraInterface;
import java.io.IOException;
/**
* This object wraps the Camera service object and expects to be the only one talking to it. The
* implementation encapsulates the steps needed to take preview-sized images, which are used for
* both preview and decoding.
*
* @author dswitkin@google.com (Daniel Switkin)
*/
@SuppressWarnings("deprecation") // camera APIs
public final class CameraManager {
private static final String TAG = CameraManager.class.getSimpleName();
private static final int MIN_FRAME_WIDTH = 240;
private static final int MIN_FRAME_HEIGHT = 240;
private static final int MAX_FRAME_WIDTH = 1200; // = 5/8 * 1920
private static final int MAX_FRAME_HEIGHT = 675; // = 5/8 * 1080
private final Context context;
private final CameraConfigurationManager configManager;
private OpenCamera camera;
private AutoFocusManager autoFocusManager;
private Rect framingRect;
private Rect framingRectInPreview;
private boolean initialized;
private boolean previewing;
private int requestedCameraId = OpenCameraInterface.NO_REQUESTED_CAMERA;
private int requestedFramingRectWidth;
private int requestedFramingRectHeight;
/**
* Preview frames are delivered here, which we pass on to the registered handler. Make sure to
* clear the handler so it will only receive one message.
*/
private final PreviewCallback previewCallback;
public CameraManager(Context context) {
this.context = context;
this.configManager = new CameraConfigurationManager(context);
previewCallback = new PreviewCallback(configManager);
}
/**
* Opens the camera driver and initializes the hardware parameters.
*
* @param holder The surface object which the camera will draw preview frames into.
* @throws IOException Indicates the camera driver failed to open.
*/
public synchronized void openDriver(SurfaceHolder holder) throws IOException {
OpenCamera theCamera = camera;
if (theCamera == null) {
theCamera = OpenCameraInterface.open(requestedCameraId);
if (theCamera == null) {
throw new IOException("Camera.open() failed to return object from driver");
}
camera = theCamera;
}
if (!initialized) {
initialized = true;
configManager.initFromCameraParameters(theCamera);
if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) {
setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight);
requestedFramingRectWidth = 0;
requestedFramingRectHeight = 0;
}
}
Camera cameraObject = theCamera.getCamera();
Camera.Parameters parameters = cameraObject.getParameters();
String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily
try {
configManager.setDesiredCameraParameters(theCamera, false);
} catch (RuntimeException re) {
// Driver failed
Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened);
// Reset:
if (parametersFlattened != null) {
parameters = cameraObject.getParameters();
parameters.unflatten(parametersFlattened);
try {
cameraObject.setParameters(parameters);
configManager.setDesiredCameraParameters(theCamera, true);
} catch (RuntimeException re2) {
// Well, darn. Give up
Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
}
}
}
cameraObject.setPreviewDisplay(holder);
}
public synchronized boolean isOpen() {
return camera != null;
}
public OpenCamera getOpenCamera() {
return camera;
}
/**
* Closes the camera driver if still in use.
*/
public synchronized void closeDriver() {
if (camera != null) {
camera.getCamera().release();
camera = null;
// Make sure to clear these each time we close the camera, so that any scanning rect
// requested by intent is forgotten.
framingRect = null;
framingRectInPreview = null;
}
}
/**
* Asks the camera hardware to begin drawing preview frames to the screen.
*/
public synchronized void startPreview() {
OpenCamera theCamera = camera;
if (theCamera != null && !previewing) {
theCamera.getCamera().startPreview();
previewing = true;
autoFocusManager = new AutoFocusManager(context, theCamera.getCamera());
}
}
/**
* Tells the camera to stop drawing preview frames.
*/
public synchronized void stopPreview() {
if (autoFocusManager != null) {
autoFocusManager.stop();
autoFocusManager = null;
}
if (camera != null && previewing) {
camera.getCamera().stopPreview();
previewCallback.setHandler(null, 0);
previewing = false;
}
}
/**
* Convenience method for {@link com.king.zxing.CaptureActivity}
*
* @param newSetting if {@code true}, light should be turned on if currently off. And vice versa.
*/
public synchronized void setTorch(boolean newSetting) {
OpenCamera theCamera = camera;
if (theCamera != null && newSetting != configManager.getTorchState(theCamera.getCamera())) {
boolean wasAutoFocusManager = autoFocusManager != null;
if (wasAutoFocusManager) {
autoFocusManager.stop();
autoFocusManager = null;
}
configManager.setTorch(theCamera.getCamera(), newSetting);
if (wasAutoFocusManager) {
autoFocusManager = new AutoFocusManager(context, theCamera.getCamera());
autoFocusManager.start();
}
}
}
/**
* A single preview frame will be returned to the handler supplied. The data will arrive as byte[]
* in the message.obj field, with width and height encoded as message.arg1 and message.arg2,
* respectively.
*
* @param handler The handler to send the message to.
* @param message The what field of the message to be sent.
*/
public synchronized void requestPreviewFrame(Handler handler, int message) {
OpenCamera theCamera = camera;
if (theCamera != null && previewing) {
previewCallback.setHandler(handler, message);
theCamera.getCamera().setOneShotPreviewCallback(previewCallback);
}
}
/**
* Calculates the framing rect which the UI should draw to show the user where to place the
* barcode. This target helps with alignment as well as forces the user to hold the device
* far enough away to ensure the image will be in focus.
*
* @return The rectangle to draw on screen in window coordinates.
*/
public synchronized Rect getFramingRect() {
if (framingRect == null) {
if (camera == null) {
return null;
}
Point screenResolution = configManager.getScreenResolution();
if (screenResolution == null) {
// Called early, before init even finished
return null;
}
int width = findDesiredDimensionInRange(screenResolution.x, MIN_FRAME_WIDTH, MAX_FRAME_WIDTH);
int height = findDesiredDimensionInRange(screenResolution.y, MIN_FRAME_HEIGHT, MAX_FRAME_HEIGHT);
int leftOffset = (screenResolution.x - width) / 2;
int topOffset = (screenResolution.y - height) / 2;
framingRect = new Rect(leftOffset, topOffset, leftOffset + width, topOffset + height);
Log.d(TAG, "Calculated framing rect: " + framingRect);
}
return framingRect;
}
private static int findDesiredDimensionInRange(int resolution, int hardMin, int hardMax) {
int dim = 5 * resolution / 8; // Target 5/8 of each dimension
if (dim < hardMin) {
return hardMin;
}
if (dim > hardMax) {
return hardMax;
}
return dim;
}
/**
* Like {@link #getFramingRect} but coordinates are in terms of the preview frame,
* not UI / screen.
*
* @return {@link Rect} expressing barcode scan area in terms of the preview size
*/
public synchronized Rect getFramingRectInPreview() {
if (framingRectInPreview == null) {
Rect framingRect = getFramingRect();
if (framingRect == null) {
return null;
}
Rect rect = new Rect(framingRect);
Point cameraResolution = configManager.getCameraResolution();
Point screenResolution = configManager.getScreenResolution();
if (cameraResolution == null || screenResolution == null) {
// Called early, before init even finished
return null;
}
rect.left = rect.left * cameraResolution.x / screenResolution.x;
rect.right = rect.right * cameraResolution.x / screenResolution.x;
rect.top = rect.top * cameraResolution.y / screenResolution.y;
rect.bottom = rect.bottom * cameraResolution.y / screenResolution.y;
framingRectInPreview = rect;
}
return framingRectInPreview;
}
/**
* Allows third party apps to specify the camera ID, rather than determine
* it automatically based on available cameras and their orientation.
*
* @param cameraId camera ID of the camera to use. A negative value means "no preference".
*/
public synchronized void setManualCameraId(int cameraId) {
requestedCameraId = cameraId;
}
/**
* Allows third party apps to specify the scanning rectangle dimensions, rather than determine
* them automatically based on screen resolution.
*
* @param width The width in pixels to scan.
* @param height The height in pixels to scan.
*/
public synchronized void setManualFramingRect(int width, int height) {
if (initialized) {
Point screenResolution = configManager.getScreenResolution();
if (width > screenResolution.x) {
width = screenResolution.x;
}
if (height > screenResolution.y) {
height = screenResolution.y;
}
int leftOffset = (screenResolution.x - width) / 2;
int topOffset = (screenResolution.y - height) / 2;
framingRect = new Rect(leftOffset, topOffset, leftOffset + width, topOffset + height);
Log.d(TAG, "Calculated manual framing rect: " + framingRect);
framingRectInPreview = null;
} else {
requestedFramingRectWidth = width;
requestedFramingRectHeight = height;
}
}
/**
* A factory method to build the appropriate LuminanceSource object based on the format
* of the preview buffers, as described by Camera.Parameters.
*
* @param data A preview frame.
* @param width The width of the image.
* @param height The height of the image.
* @return A PlanarYUVLuminanceSource instance.
*/
public PlanarYUVLuminanceSource buildLuminanceSource(byte[] data, int width, int height) {
Rect rect = getFramingRectInPreview();
if (rect == null) {
return null;
}
// Go ahead and assume it's YUV rather than die.
return new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top,
rect.width(), rect.height(), false);
}
}

43
lib/src/main/java/com/king/zxing/camera/FrontLightMode.java Normal file
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@@ -0,0 +1,43 @@
package com.king.zxing.camera;
/*
* Copyright (C) 2012 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.content.SharedPreferences;
import com.king.zxing.Preferences;
/**
* Enumerates settings of the preference controlling the front light.
*/
public enum FrontLightMode {
/** Always on. */
ON,
/** On only when ambient light is low. */
AUTO,
/** Always off. */
OFF;
private static FrontLightMode parse(String modeString) {
return modeString == null ? OFF : valueOf(modeString);
}
public static FrontLightMode readPref(SharedPreferences sharedPrefs) {
return parse(sharedPrefs.getString(Preferences.KEY_FRONT_LIGHT_MODE, OFF.toString()));
}
}

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