Update README

*  生成二维码时Logo支持自定义大小 fix(#62)

.circleci/config.yml

@@ -1,3 +1,4 @@
+
 version: 2
 jobs:
   build:

README.md

@@ -16,8 +16,6 @@ ZXingLite for Android 是ZXing的精简版，基于ZXing库优化扫码和生成
 >简单如斯，你不试试？ Come on~
 
 
-### [AndroidX version](https://github.com/jenly1314/ZXingLite/tree/androidx)
-
 ## Gif 展示
 ![Image](GIF.gif)
 
@@ -167,6 +165,7 @@ api 'com.google.zxing:core:3.3.3'
 
 > 4、参照CaptureHelper写一个自定义的扫码帮助类，其它步骤同方式3。（扩展高级用法，谨慎使用）
 
+
 ### 其他
 
 需使用JDK8+编译，在你项目中的build.gradle的android{}中添加配置：

app/build.gradle

@@ -9,7 +9,7 @@ android {
         targetSdkVersion build_versions.targetSdk
         versionCode app_version.versionCode
         versionName app_version.versionName
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
         release {

app/release/output.json

@@ -1 +1 @@
-[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":25,"versionName":"1.1.9","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]
+[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":26,"versionName":"1.1.9-androidx","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]

app/src/androidTest/java/com/king/zxing/app/ExampleInstrumentedTest.java

@@ -1,13 +1,14 @@
 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.*;
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
+import static org.junit.Assert.assertEquals;
 
 /**
  * Instrumented test, which will execute on an Android device.

app/src/main/AndroidManifest.xml

@@ -16,7 +16,7 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
         <activity android:name=".MainActivity"
-            android:screenOrientation="portrait">
+                  android:screenOrientation="portrait">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
 

app/src/main/java/com/king/zxing/app/CaptureFragmentActivity.java

@@ -1,17 +1,18 @@
 package com.king.zxing.app;
 
 import android.os.Bundle;
-import android.support.annotation.IdRes;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
 import android.view.View;
 import android.widget.TextView;
 
 import com.king.zxing.CaptureFragment;
 import com.king.zxing.app.util.StatusBarUtils;
 
+import androidx.annotation.IdRes;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.fragment.app.Fragment;
+
 /**
  * Fragment扫码
  * @author <a href="mailto:jenly1314@gmail.com">Jenly</a>

app/src/main/java/com/king/zxing/app/CodeActivity.java

@@ -18,8 +18,6 @@ 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;
@@ -27,6 +25,9 @@ import android.widget.TextView;
 import com.google.zxing.BarcodeFormat;
 import com.king.zxing.util.CodeUtils;
 
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+
 /**
  * @author Jenly <a href="mailto:jenly1314@gmail.com">Jenly</a>
  */
@@ -92,4 +93,4 @@ public class CodeActivity extends AppCompatActivity {
                 break;
         }
     }
-}
+}

app/src/main/java/com/king/zxing/app/CustomActivity.java

@@ -1,11 +1,7 @@
 package com.king.zxing.app;
 
 import android.app.Activity;
-import android.hardware.Camera;
 import android.os.Bundle;
-import android.support.v4.app.Fragment;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
 import android.view.MotionEvent;
 import android.view.SurfaceView;
 import android.view.View;
@@ -17,6 +13,10 @@ import com.king.zxing.OnCaptureCallback;
 import com.king.zxing.ViewfinderView;
 import com.king.zxing.app.util.StatusBarUtils;
 
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.fragment.app.Fragment;
+
 /**
  * 自定义扫码：当直接使用CaptureActivity
  * 自定义扫码，切记自定义扫码需在{@link Activity}或者{@link Fragment}相对应的生命周期里面调用{@link #mCaptureHelper}对应的生命周期

app/src/main/java/com/king/zxing/app/CustomCaptureActivity.java

@@ -16,7 +16,6 @@
 package com.king.zxing.app;
 
 import android.os.Bundle;
-import android.support.v7.widget.Toolbar;
 import android.view.View;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -25,6 +24,8 @@ import com.king.zxing.CaptureActivity;
 import com.king.zxing.app.util.StatusBarUtils;
 import com.king.zxing.camera.FrontLightMode;
 
+import androidx.appcompat.widget.Toolbar;
+
 /**
  * 自定义继承CaptureActivity
  * @author Jenly <a href="mailto:jenly1314@gmail.com">Jenly</a>

app/src/main/java/com/king/zxing/app/EasyCaptureActivity.java

@@ -16,14 +16,14 @@
 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.DecodeFormatManager;
 import com.king.zxing.app.util.StatusBarUtils;
 
+import androidx.appcompat.widget.Toolbar;
+
 /**
  * @author Jenly <a href="mailto:jenly1314@gmail.com">Jenly</a>
  */

app/src/main/java/com/king/zxing/app/MainActivity.java

@@ -19,9 +19,6 @@ import android.Manifest;
 import android.content.Context;
 import android.content.Intent;
 import android.provider.MediaStore;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.app.ActivityOptionsCompat;
-import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
@@ -36,6 +33,9 @@ import com.king.zxing.util.CodeUtils;
 
 import java.util.List;
 
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+import androidx.core.app.ActivityOptionsCompat;
 import pub.devrel.easypermissions.AfterPermissionGranted;
 import pub.devrel.easypermissions.EasyPermissions;
 
@@ -243,4 +243,4 @@ public class MainActivity extends AppCompatActivity implements EasyPermissions.P
         }
 
     }
-}
+}

app/src/main/java/com/king/zxing/app/util/StatusBarUtils.java

@@ -19,8 +19,6 @@ import android.app.Activity;
 import android.content.Context;
 import android.graphics.Color;
 import android.os.Build;
-import android.support.annotation.FloatRange;
-import android.support.v7.widget.Toolbar;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.Window;
@@ -29,6 +27,9 @@ import android.widget.LinearLayout;
 
 import com.king.zxing.app.R;
 
+import androidx.annotation.FloatRange;
+import androidx.appcompat.widget.Toolbar;
+
 /**
  * @author Jenly <a href="mailto:jenly1314@gmail.com">Jenly</a>
  */

app/src/main/java/com/king/zxing/app/util/UriUtils.java

@@ -68,4 +68,4 @@ public final class UriUtils {
         return path;
     }
 
-}
+}

app/src/main/res/layout/activity_main.xml

@@ -1,15 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout
+<androidx.constraintlayout.widget.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
+    <androidx.appcompat.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"
@@ -27,7 +25,7 @@
             android:textColor="@color/white"
             android:layout_gravity="center_horizontal"
             android:text="@string/app_name"/>
-    </android.support.v7.widget.Toolbar>
+    </androidx.appcompat.widget.Toolbar>
     <Button
         android:id="@+id/btn0"
         android:layout_width="match_parent"
@@ -133,4 +131,4 @@
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/btn6"
         style="@style/OnClick"/>
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/code_activity.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout
+<androidx.constraintlayout.widget.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -15,4 +15,4 @@
         app:layout_constraintTop_toBottomOf="@+id/toolbar"
         app:layout_constraintBottom_toBottomOf="parent"/>
 
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/custom_activity.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout
+<androidx.constraintlayout.widget.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
@@ -33,4 +33,4 @@
         app:layout_constraintBottom_toBottomOf="parent"
         android:layout_marginTop="160dp" />
     <include layout="@layout/toolbar_capture"/>
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/custom_capture_activity.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout
+<androidx.constraintlayout.widget.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
@@ -32,4 +32,4 @@
         app:layout_constraintBottom_toBottomOf="parent"
         android:layout_marginTop="160dp" />
     <include layout="@layout/toolbar_capture"/>
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/easy_capture_activity.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout
+<androidx.constraintlayout.widget.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
     <include layout="@layout/zxl_capture"/>
     <include layout="@layout/toolbar_capture"/>
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/toolbar.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v7.widget.Toolbar
+<androidx.appcompat.widget.Toolbar
     android:id="@+id/toolbar"
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -9,4 +9,4 @@
     app:contentInsetLeft="0dp"
     app:contentInsetStart="0dp">
     <include layout="@layout/top_title_back_bar"/>
-</android.support.v7.widget.Toolbar>
+</androidx.appcompat.widget.Toolbar>

app/src/main/res/layout/toolbar_capture.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v7.widget.Toolbar
+<androidx.appcompat.widget.Toolbar
     android:id="@+id/toolbar"
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -8,4 +8,4 @@
     app:contentInsetLeft="0dp"
     app:contentInsetStart="0dp">
     <include layout="@layout/top_title_back_bar"/>
-</android.support.v7.widget.Toolbar>
+</androidx.appcompat.widget.Toolbar>

build.gradle

@@ -4,6 +4,7 @@ buildscript {
     apply from: 'versions.gradle'
 
     addRepos(repositories)
+
     dependencies {
         classpath 'com.android.tools.build:gradle:3.2.1'
         classpath 'com.novoda:bintray-release:0.9'

gradle.properties

@@ -11,3 +11,5 @@ org.gradle.jvmargs = -Xmx1536m
 # 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
+android.useAndroidX=true
+android.enableJetifier=true

lib/build.gradle

@@ -10,7 +10,7 @@ android {
         versionCode app_version.versionCode
         versionName app_version.versionName
 
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
     }
     buildTypes {

lib/proguard-rules.pro

@@ -31,4 +31,4 @@
 
 #ZXing
 -dontwarn com.google.zxing.**
--keep class com.google.zxing.**{ *;}
+-keep class com.google.zxing.**{ *;}

lib/src/androidTest/java/com/king/zxing/ExampleInstrumentedTest.java

@@ -1,12 +1,13 @@
 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 androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
 import static org.junit.Assert.*;
 
 /**

lib/src/main/java/com/king/zxing/BeepManager.java

@@ -37,6 +37,8 @@ import java.io.IOException;
  */
 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;
 
@@ -105,7 +107,7 @@ public final class BeepManager implements MediaPlayer.OnErrorListener, Closeable
             mediaPlayer.prepare();
             return mediaPlayer;
         } catch (IOException ioe) {
-             LogUtils.w( ioe);
+            LogUtils.w(ioe);
             mediaPlayer.release();
             return null;
         }

lib/src/main/java/com/king/zxing/CaptureActivity.java

@@ -16,16 +16,19 @@
 package com.king.zxing;
 
 import android.os.Bundle;
-import android.support.annotation.LayoutRes;
-import android.support.annotation.Nullable;
-import android.support.v7.app.AppCompatActivity;
 import android.view.MotionEvent;
 import android.view.SurfaceView;
 import android.view.View;
 
 import com.king.zxing.camera.CameraManager;
 
+import androidx.annotation.LayoutRes;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
 
+/**
+ * @author <a href="mailto:jenly1314@gmail.com">Jenly</a>
+ */
 public class CaptureActivity extends AppCompatActivity implements OnCaptureCallback{
 
     public static final String KEY_RESULT = Intents.Scan.RESULT;

lib/src/main/java/com/king/zxing/CaptureFragment.java

@@ -16,9 +16,6 @@
 package com.king.zxing;
 
 import android.os.Bundle;
-import android.support.annotation.LayoutRes;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.SurfaceView;
 import android.view.View;
@@ -26,6 +23,10 @@ import android.view.ViewGroup;
 
 import com.king.zxing.camera.CameraManager;
 
+import androidx.annotation.LayoutRes;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
 /**
  * @author <a href="mailto:jenly1314@gmail.com">Jenly</a>
  */
@@ -188,4 +189,4 @@ public class CaptureFragment extends Fragment implements OnCaptureCallback {
         return false;
     }
 
-}
+}

lib/src/main/java/com/king/zxing/CaptureHandler.java

@@ -211,4 +211,4 @@ public class CaptureHandler extends Handler implements ResultPointCallback {
     public void setSupportLuminanceInvert(boolean supportLuminanceInvert) {
         isSupportLuminanceInvert = supportLuminanceInvert;
     }
-}
+}

lib/src/main/java/com/king/zxing/CaptureHelper.java

@@ -22,8 +22,6 @@ import android.graphics.Bitmap;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.hardware.Camera;
-import android.support.annotation.FloatRange;
-import android.support.v4.app.Fragment;
 import android.view.MotionEvent;
 import android.view.SurfaceHolder;
 import android.view.SurfaceView;
@@ -43,6 +41,12 @@ import java.util.EnumMap;
 import java.util.List;
 import java.util.Map;
 
+import androidx.annotation.FloatRange;
+import androidx.fragment.app.Fragment;
+
+/**
+ * @author <a href="mailto:jenly1314@gmail.com">Jenly</a>
+ */
 /**
  * @author <a href="mailto:jenly1314@gmail.com">Jenly</a>
  */
@@ -345,7 +349,7 @@ public class CaptureHelper implements CaptureLifecycle,CaptureTouchEvent,Capture
                 captureHandler.setSupportLuminanceInvert(isSupportLuminanceInvert);
             }
         } catch (IOException ioe) {
-            LogUtils.w( ioe);
+            LogUtils.w(ioe);
         } catch (RuntimeException e) {
             // Barcode Scanner has seen crashes in the wild of this variety:
             // java.?lang.?RuntimeException: Fail to connect to camera service
@@ -532,6 +536,7 @@ public class CaptureHelper implements CaptureLifecycle,CaptureTouchEvent,Capture
                 activity.setResult(Activity.RESULT_OK,intent);
                 activity.finish();
             },100);
+
             return;
         }
 

lib/src/main/java/com/king/zxing/DecodeHandler.java

@@ -146,7 +146,7 @@ final class DecodeHandler extends Handler {
         if (rawResult != null) {
             // Don't log the barcode contents for security.
             long end = System.currentTimeMillis();
-             LogUtils.d( "Found barcode in " + (end - start) + " ms");
+            LogUtils.d("Found barcode in " + (end - start) + " ms");
 
             BarcodeFormat barcodeFormat = rawResult.getBarcodeFormat();
             if(handler!=null && handler.isSupportAutoZoom() && barcodeFormat == BarcodeFormat.QR_CODE){
@@ -237,7 +237,7 @@ final class DecodeHandler extends Handler {
                     lastZoomTime = System.currentTimeMillis();
                     return true;
                 } else {
-                     LogUtils.i( "Zoom not supported");
+                    LogUtils.d("Zoom not supported");
                 }
             }
 

lib/src/main/java/com/king/zxing/DecodeThread.java

@@ -98,7 +98,7 @@ final class DecodeThread extends Thread {
             hints.put(DecodeHintType.CHARACTER_SET, characterSet);
         }
         hints.put(DecodeHintType.NEED_RESULT_POINT_CALLBACK, resultPointCallback);
-         LogUtils.i( "Hints: " + hints);
+        LogUtils.i("Hints: " + hints);
     }
 
     Handler getHandler() {

lib/src/main/java/com/king/zxing/InactivityTimer.java

@@ -35,6 +35,8 @@ import java.util.concurrent.RejectedExecutionException;
  */
 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;
@@ -55,7 +57,7 @@ final class InactivityTimer {
         try {
             inactivityTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
         } catch (RejectedExecutionException ree) {
-             LogUtils.w( "Couldn't schedule inactivity task; ignoring");
+            LogUtils.w( "Couldn't schedule inactivity task; ignoring");
         }
     }
 
@@ -65,13 +67,13 @@ final class InactivityTimer {
             activity.unregisterReceiver(powerStatusReceiver);
             registered = false;
         } else {
-             LogUtils.w( "PowerStatusReceiver was never registered?");
+            LogUtils.w( "PowerStatusReceiver was never registered?");
         }
     }
 
-     void onResume() {
+    void onResume() {
         if (registered) {
-             LogUtils.w( "PowerStatusReceiver was already registered?");
+            LogUtils.w( "PowerStatusReceiver was already registered?");
         } else {
             activity.registerReceiver(powerStatusReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
             registered = true;
@@ -129,7 +131,7 @@ final class InactivityTimer {
         protected Object doInBackground(Object... objects) {
             try {
                 Thread.sleep(INACTIVITY_DELAY_MS);
-                LogUtils.i( "Finishing activity due to inactivity");
+                LogUtils.i("Finishing activity due to inactivity");
                 Activity activity = weakReference.get();
                 if(activity!=null){
                     activity.finish();

lib/src/main/java/com/king/zxing/ViewfinderView.java

@@ -1,5 +1,4 @@
 package com.king.zxing;
-
 /*
  * Copyright (C) 2008 ZXing authors
  *
@@ -16,7 +15,6 @@ package com.king.zxing;
  * limitations under the License.
  */
 
-
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
@@ -25,10 +23,6 @@ import android.graphics.Paint;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.graphics.Shader;
-import android.support.annotation.ColorInt;
-import android.support.annotation.ColorRes;
-import android.support.annotation.Nullable;
-import android.support.v4.content.ContextCompat;
 import android.text.Layout;
 import android.text.StaticLayout;
 import android.text.TextPaint;
@@ -43,6 +37,11 @@ import com.google.zxing.ResultPoint;
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.annotation.ColorInt;
+import androidx.annotation.ColorRes;
+import androidx.annotation.Nullable;
+import androidx.core.content.ContextCompat;
+
 /**
  * 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.

lib/src/main/java/com/king/zxing/camera/AutoFocusManager.java

@@ -29,7 +29,6 @@ import java.util.concurrent.RejectedExecutionException;
 import com.king.zxing.Preferences;
 import com.king.zxing.util.LogUtils;
 
-@SuppressWarnings("deprecation") // camera APIs
 final class AutoFocusManager implements Camera.AutoFocusCallback {
 
     private static final long AUTO_FOCUS_INTERVAL_MS = 1200L;
@@ -53,7 +52,7 @@ final class AutoFocusManager implements Camera.AutoFocusCallback {
         useAutoFocus =
                 sharedPrefs.getBoolean(Preferences.KEY_AUTO_FOCUS, true) &&
                         FOCUS_MODES_CALLING_AF.contains(currentFocusMode);
-          LogUtils.i( "Current focus mode '" + currentFocusMode + "'; use auto focus? " + useAutoFocus);
+        LogUtils.i("Current focus mode '" + currentFocusMode + "'; use auto focus? " + useAutoFocus);
         start();
     }
 
@@ -70,7 +69,7 @@ final class AutoFocusManager implements Camera.AutoFocusCallback {
                 newTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
                 outstandingTask = newTask;
             } catch (RejectedExecutionException ree) {
-                 LogUtils.w( "Could not request auto focus", ree);
+                LogUtils.w("Could not request auto focus", ree);
             }
         }
     }
@@ -84,7 +83,7 @@ final class AutoFocusManager implements Camera.AutoFocusCallback {
                     focusing = true;
                 } catch (RuntimeException re) {
                     // Have heard RuntimeException reported in Android 4.0.x+; continue?
-                     LogUtils.w( "Unexpected exception while focusing", re);
+                    LogUtils.w("Unexpected exception while focusing", re);
                     // Try again later to keep cycle going
                     autoFocusAgainLater();
                 }
@@ -110,7 +109,7 @@ final class AutoFocusManager implements Camera.AutoFocusCallback {
                 camera.cancelAutoFocus();
             } catch (RuntimeException re) {
                 // Have heard RuntimeException reported in Android 4.0.x+; continue?
-                 LogUtils.w( "Unexpected exception while cancelling focusing", re);
+                LogUtils.w("Unexpected exception while cancelling focusing", re);
             }
         }
     }

lib/src/main/java/com/king/zxing/camera/CameraConfigurationManager.java

@@ -81,15 +81,15 @@ final class CameraConfigurationManager {
                     throw new IllegalArgumentException("Bad rotation: " + displayRotation);
                 }
         }
-        LogUtils.i( "Display at: " + cwRotationFromNaturalToDisplay);
+        LogUtils.i("Display at: " + cwRotationFromNaturalToDisplay);
 
         int cwRotationFromNaturalToCamera = camera.getOrientation();
-        LogUtils.i( "Camera at: " + cwRotationFromNaturalToCamera);
+        LogUtils.i("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;
-            LogUtils.i( "Front camera overriden to: " + cwRotationFromNaturalToCamera);
+            LogUtils.i("Front camera overriden to: " + cwRotationFromNaturalToCamera);
         }
 
     /*
@@ -101,30 +101,30 @@ final class CameraConfigurationManager {
       overrideRotationString = prefs.getString(PreferencesActivity.KEY_FORCE_CAMERA_ORIENTATION, null);
     }
     if (overrideRotationString != null && !"-".equals(overrideRotationString)) {
-      LogUtils.i( "Overriding camera manually to " + overrideRotationString);
+      LogUtils.i("Overriding camera manually to " + overrideRotationString);
       cwRotationFromNaturalToCamera = Integer.parseInt(overrideRotationString);
     }
      */
 
         cwRotationFromDisplayToCamera = (360 + cwRotationFromNaturalToCamera - cwRotationFromNaturalToDisplay) % 360;
-        LogUtils.i( "Final display orientation: " + cwRotationFromDisplayToCamera);
+        LogUtils.i("Final display orientation: " + cwRotationFromDisplayToCamera);
         if (camera.getFacing() == CameraFacing.FRONT) {
-            LogUtils.i( "Compensating rotation for front camera");
+            LogUtils.i("Compensating rotation for front camera");
             cwNeededRotation = (360 - cwRotationFromDisplayToCamera) % 360;
         } else {
             cwNeededRotation = cwRotationFromDisplayToCamera;
         }
-        LogUtils.i( "Clockwise rotation from display to camera: " + cwNeededRotation);
+        LogUtils.i("Clockwise rotation from display to camera: " + cwNeededRotation);
 
         Point theScreenResolution = new Point();
         display.getSize(theScreenResolution);
         screenResolution = theScreenResolution;
-        LogUtils.i( "Screen resolution in current orientation: " + screenResolution);
+        LogUtils.i("Screen resolution in current orientation: " + screenResolution);
 
         cameraResolution = CameraConfigurationUtils.findBestPreviewSizeValue(parameters, screenResolution);
-        LogUtils.i( "Camera resolution: " + cameraResolution);
+        LogUtils.i("Camera resolution: " + cameraResolution);
         bestPreviewSize = CameraConfigurationUtils.findBestPreviewSizeValue(parameters, screenResolution);
-        LogUtils.i( "Best available preview size: " + bestPreviewSize);
+        LogUtils.i("Best available preview size: " + bestPreviewSize);
 
         boolean isScreenPortrait = screenResolution.x < screenResolution.y;
         boolean isPreviewSizePortrait = bestPreviewSize.x < bestPreviewSize.y;
@@ -134,7 +134,7 @@ final class CameraConfigurationManager {
         } else {
             previewSizeOnScreen = new Point(bestPreviewSize.y, bestPreviewSize.x);
         }
-        LogUtils.i( "Preview size on screen: " + previewSizeOnScreen);
+        LogUtils.i("Preview size on screen: " + previewSizeOnScreen);
     }
 
     void setDesiredCameraParameters(OpenCamera camera, boolean safeMode) {
@@ -143,14 +143,14 @@ final class CameraConfigurationManager {
         Camera.Parameters parameters = theCamera.getParameters();
 
         if (parameters == null) {
-            LogUtils.w( "Device error: no camera parameters are available. Proceeding without configuration.");
+            LogUtils.w("Device error: no camera parameters are available. Proceeding without configuration.");
             return;
         }
 
-        LogUtils.i( "Initial camera parameters: " + parameters.flatten());
+        LogUtils.i("Initial camera parameters: " + parameters.flatten());
 
         if (safeMode) {
-            LogUtils.w( "In camera config safe mode -- most settings will not be honored");
+            LogUtils.w("In camera config safe mode -- most settings will not be honored");
         }
 
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
@@ -197,7 +197,7 @@ final class CameraConfigurationManager {
         Camera.Parameters afterParameters = theCamera.getParameters();
         Camera.Size afterSize = afterParameters.getPreviewSize();
         if (afterSize != null && (bestPreviewSize.x != afterSize.width || bestPreviewSize.y != afterSize.height)) {
-            LogUtils.w( "Camera said it supported preview size " + bestPreviewSize.x + 'x' + bestPreviewSize.y +
+            LogUtils.w("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;

lib/src/main/java/com/king/zxing/camera/CameraConfigurationUtils.java

@@ -79,7 +79,7 @@ public final class CameraConfigurationUtils {
         }
         if (focusMode != null) {
             if (focusMode.equals(parameters.getFocusMode())) {
-                  LogUtils.d( "Focus mode already set to " + focusMode);
+                LogUtils.d( "Focus mode already set to " + focusMode);
             } else {
                 parameters.setFocusMode(focusMode);
             }
@@ -101,9 +101,9 @@ public final class CameraConfigurationUtils {
         }
         if (flashMode != null) {
             if (flashMode.equals(parameters.getFlashMode())) {
-                  LogUtils.d( "Flash mode already set to " + flashMode);
+                LogUtils.d( "Flash mode already set to " + flashMode);
             } else {
-                  LogUtils.d( "Setting flash mode to " + flashMode);
+                LogUtils.d( "Setting flash mode to " + flashMode);
                 parameters.setFlashMode(flashMode);
             }
         }
@@ -121,13 +121,13 @@ public final class CameraConfigurationUtils {
             // Clamp value:
             compensationSteps = Math.max(Math.min(compensationSteps, maxExposure), minExposure);
             if (parameters.getExposureCompensation() == compensationSteps) {
-                  LogUtils.d( "Exposure compensation already set to " + compensationSteps + " / " + actualCompensation);
+                LogUtils.d( "Exposure compensation already set to " + compensationSteps + " / " + actualCompensation);
             } else {
-                  LogUtils.d( "Setting exposure compensation to " + compensationSteps + " / " + actualCompensation);
+                LogUtils.d( "Setting exposure compensation to " + compensationSteps + " / " + actualCompensation);
                 parameters.setExposureCompensation(compensationSteps);
             }
         } else {
-              LogUtils.d( "Camera does not support exposure compensation");
+            LogUtils.d( "Camera does not support exposure compensation");
         }
     }
 
@@ -137,7 +137,7 @@ public final class CameraConfigurationUtils {
 
     public static void setBestPreviewFPS(Camera.Parameters parameters, int minFPS, int maxFPS) {
         List<int[]> supportedPreviewFpsRanges = parameters.getSupportedPreviewFpsRange();
-          LogUtils.d( "Supported FPS ranges: " + toString(supportedPreviewFpsRanges));
+        LogUtils.d( "Supported FPS ranges: " + toString(supportedPreviewFpsRanges));
         if (supportedPreviewFpsRanges != null && !supportedPreviewFpsRanges.isEmpty()) {
             int[] suitableFPSRange = null;
             for (int[] fpsRange : supportedPreviewFpsRanges) {
@@ -149,14 +149,14 @@ public final class CameraConfigurationUtils {
                 }
             }
             if (suitableFPSRange == null) {
-                  LogUtils.d( "No suitable FPS range?");
+                LogUtils.d( "No suitable FPS range?");
             } else {
                 int[] currentFpsRange = new int[2];
                 parameters.getPreviewFpsRange(currentFpsRange);
                 if (Arrays.equals(currentFpsRange, suitableFPSRange)) {
-                      LogUtils.d( "FPS range already set to " + Arrays.toString(suitableFPSRange));
+                    LogUtils.d( "FPS range already set to " + Arrays.toString(suitableFPSRange));
                 } else {
-                      LogUtils.d( "Setting FPS range to " + Arrays.toString(suitableFPSRange));
+                    LogUtils.d( "Setting FPS range to " + Arrays.toString(suitableFPSRange));
                     parameters.setPreviewFpsRange(suitableFPSRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
                             suitableFPSRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
                 }
@@ -166,23 +166,23 @@ public final class CameraConfigurationUtils {
 
     public static void setFocusArea(Camera.Parameters parameters) {
         if (parameters.getMaxNumFocusAreas() > 0) {
-              LogUtils.d( "Old focus areas: " + toString(parameters.getFocusAreas()));
+            LogUtils.d( "Old focus areas: " + toString(parameters.getFocusAreas()));
             List<Camera.Area> middleArea = buildMiddleArea(AREA_PER_1000);
-              LogUtils.d( "Setting focus area to : " + toString(middleArea));
+            LogUtils.d( "Setting focus area to : " + toString(middleArea));
             parameters.setFocusAreas(middleArea);
         } else {
-              LogUtils.d( "Device does not support focus areas");
+            LogUtils.d( "Device does not support focus areas");
         }
     }
 
     public static void setMetering(Camera.Parameters parameters) {
         if (parameters.getMaxNumMeteringAreas() > 0) {
-              LogUtils.d( "Old metering areas: " + parameters.getMeteringAreas());
+            LogUtils.d( "Old metering areas: " + parameters.getMeteringAreas());
             List<Camera.Area> middleArea = buildMiddleArea(AREA_PER_1000);
-              LogUtils.d( "Setting metering area to : " + toString(middleArea));
+            LogUtils.d( "Setting metering area to : " + toString(middleArea));
             parameters.setMeteringAreas(middleArea);
         } else {
-              LogUtils.d( "Device does not support metering areas");
+            LogUtils.d( "Device does not support metering areas");
         }
     }
 
@@ -194,19 +194,19 @@ public final class CameraConfigurationUtils {
     public static void setVideoStabilization(Camera.Parameters parameters) {
         if (parameters.isVideoStabilizationSupported()) {
             if (parameters.getVideoStabilization()) {
-                  LogUtils.d( "Video stabilization already enabled");
+                LogUtils.d( "Video stabilization already enabled");
             } else {
-                  LogUtils.d( "Enabling video stabilization...");
+                LogUtils.d( "Enabling video stabilization...");
                 parameters.setVideoStabilization(true);
             }
         } else {
-              LogUtils.d( "This device does not support video stabilization");
+            LogUtils.d( "This device does not support video stabilization");
         }
     }
 
     public static void setBarcodeSceneMode(Camera.Parameters parameters) {
         if (Camera.Parameters.SCENE_MODE_BARCODE.equals(parameters.getSceneMode())) {
-              LogUtils.d( "Barcode scene mode already set");
+            LogUtils.d( "Barcode scene mode already set");
             return;
         }
         String sceneMode = findSettableValue("scene mode",
@@ -224,22 +224,22 @@ public final class CameraConfigurationUtils {
                 return;
             }
             if (parameters.getZoom() == zoom) {
-                  LogUtils.d( "Zoom is already set to " + zoom);
+                LogUtils.d( "Zoom is already set to " + zoom);
             } else {
-                  LogUtils.d( "Setting zoom to " + zoom);
+                LogUtils.d( "Setting zoom to " + zoom);
                 parameters.setZoom(zoom);
             }
         } else {
-              LogUtils.d( "Zoom is not supported");
+            LogUtils.d( "Zoom is not supported");
         }
     }
 
     private static Integer indexOfClosestZoom(Camera.Parameters parameters, double targetZoomRatio) {
         List<Integer> ratios = parameters.getZoomRatios();
-          LogUtils.d( "Zoom ratios: " + ratios);
+        LogUtils.d( "Zoom ratios: " + ratios);
         int maxZoom = parameters.getMaxZoom();
         if (ratios == null || ratios.isEmpty() || ratios.size() != maxZoom + 1) {
-             LogUtils.w( "Invalid zoom ratios!");
+            LogUtils.w( "Invalid zoom ratios!");
             return null;
         }
         double target100 = 100.0 * targetZoomRatio;
@@ -252,13 +252,13 @@ public final class CameraConfigurationUtils {
                 closestIndex = i;
             }
         }
-          LogUtils.d( "Chose zoom ratio of " + (ratios.get(closestIndex) / 100.0));
+        LogUtils.d( "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())) {
-              LogUtils.d( "Negative effect already set");
+            LogUtils.d( "Negative effect already set");
             return;
         }
         String colorMode = findSettableValue("color effect",
@@ -273,7 +273,7 @@ public final class CameraConfigurationUtils {
 
         List<Camera.Size> rawSupportedSizes = parameters.getSupportedPreviewSizes();
         if (rawSupportedSizes == null) {
-             LogUtils.w( "Device returned no supported preview sizes; using default");
+            LogUtils.w( "Device returned no supported preview sizes; using default");
             Camera.Size defaultSize = parameters.getPreviewSize();
             if (defaultSize == null) {
                 throw new IllegalStateException("Parameters contained no preview size!");
@@ -287,7 +287,7 @@ public final class CameraConfigurationUtils {
             for (Camera.Size size : rawSupportedSizes) {
                 previewSizesString.append(size.width).append('x').append(size.height).append(' ');
             }
-              LogUtils.d( "Supported preview sizes: " + previewSizesString);
+            LogUtils.d( "Supported preview sizes: " + previewSizesString);
         }
 
         double screenAspectRatio;
@@ -296,7 +296,7 @@ public final class CameraConfigurationUtils {
         }else{
             screenAspectRatio = screenResolution.y / (double) screenResolution.x;
         }
-          LogUtils.d( "screenAspectRatio: " + screenAspectRatio);
+        LogUtils.d( "screenAspectRatio: " + screenAspectRatio);
         // Find a suitable size, with max resolution
         int maxResolution = 0;
 
@@ -312,19 +312,19 @@ public final class CameraConfigurationUtils {
             boolean isCandidatePortrait = realWidth < realHeight;
             int maybeFlippedWidth = isCandidatePortrait ? realWidth: realHeight ;
             int maybeFlippedHeight = isCandidatePortrait ? realHeight : realWidth;
-              LogUtils.d( String.format("maybeFlipped:%d * %d",maybeFlippedWidth,maybeFlippedHeight));
+            LogUtils.d( String.format("maybeFlipped:%d * %d",maybeFlippedWidth,maybeFlippedHeight));
 
             double aspectRatio = maybeFlippedWidth / (double) maybeFlippedHeight;
-              LogUtils.d( "aspectRatio: " + aspectRatio);
+            LogUtils.d( "aspectRatio: " + aspectRatio);
             double distortion = Math.abs(aspectRatio - screenAspectRatio);
-              LogUtils.d( "distortion: " + distortion);
+            LogUtils.d( "distortion: " + distortion);
             if (distortion > MAX_ASPECT_DISTORTION) {
                 continue;
             }
 
             if (maybeFlippedWidth == screenResolution.x && maybeFlippedHeight == screenResolution.y) {
                 Point exactPoint = new Point(realWidth, realHeight);
-                  LogUtils.d( "Found preview size exactly matching screen size: " + exactPoint);
+                LogUtils.d( "Found preview size exactly matching screen size: " + exactPoint);
                 return exactPoint;
             }
 
@@ -340,7 +340,7 @@ public final class CameraConfigurationUtils {
         // the CPU is much more powerful.
         if (maxResPreviewSize != null) {
             Point largestSize = new Point(maxResPreviewSize.width, maxResPreviewSize.height);
-              LogUtils.d( "Using largest suitable preview size: " + largestSize);
+            LogUtils.d( "Using largest suitable preview size: " + largestSize);
             return largestSize;
         }
 
@@ -350,24 +350,24 @@ public final class CameraConfigurationUtils {
             throw new IllegalStateException("Parameters contained no preview size!");
         }
         Point defaultSize = new Point(defaultPreview.width, defaultPreview.height);
-          LogUtils.d( "No suitable preview sizes, using default: " + defaultSize);
+        LogUtils.d( "No suitable preview sizes, using default: " + defaultSize);
         return defaultSize;
     }
 
     private static String findSettableValue(String name,
                                             Collection<String> supportedValues,
                                             String... desiredValues) {
-          LogUtils.d( "Requesting " + name + " value from among: " + Arrays.toString(desiredValues));
+        LogUtils.d( "Requesting " + name + " value from among: " + Arrays.toString(desiredValues));
-          LogUtils.d( "Supported " + name + " values: " + supportedValues);
+        LogUtils.d( "Supported " + name + " values: " + supportedValues);
         if (supportedValues != null) {
             for (String desiredValue : desiredValues) {
                 if (supportedValues.contains(desiredValue)) {
-                      LogUtils.d( "Can set " + name + " to: " + desiredValue);
+                    LogUtils.d( "Can set " + name + " to: " + desiredValue);
                     return desiredValue;
                 }
             }
         }
-          LogUtils.d( "No supported values match");
+        LogUtils.d( "No supported values match");
         return null;
     }
 

lib/src/main/java/com/king/zxing/camera/CameraManager.java

@@ -22,7 +22,6 @@ import android.graphics.Point;
 import android.graphics.Rect;
 import android.hardware.Camera;
 import android.os.Handler;
-import android.support.annotation.FloatRange;
 import android.view.SurfaceHolder;
 
 import com.google.zxing.PlanarYUVLuminanceSource;
@@ -32,6 +31,8 @@ import com.king.zxing.util.LogUtils;
 
 import java.io.IOException;
 
+import androidx.annotation.FloatRange;
+
 /**
  * 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
@@ -114,8 +115,8 @@ public final class CameraManager {
             configManager.setDesiredCameraParameters(theCamera, false);
         } catch (RuntimeException re) {
             // Driver failed
-             LogUtils.w( "Camera rejected parameters. Setting only minimal safe-mode parameters");
+            LogUtils.w("Camera rejected parameters. Setting only minimal safe-mode parameters");
-             LogUtils.i( "Resetting to saved camera params: " + parametersFlattened);
+            LogUtils.i( "Resetting to saved camera params: " + parametersFlattened);
             // Reset:
             if (parametersFlattened != null) {
                 parameters = cameraObject.getParameters();
@@ -125,7 +126,7 @@ public final class CameraManager {
                     configManager.setDesiredCameraParameters(theCamera, true);
                 } catch (RuntimeException re2) {
                     // Well, darn. Give up
-                     LogUtils.w( "Camera rejected even safe-mode parameters! No configuration");
+                    LogUtils.w("Camera rejected even safe-mode parameters! No configuration");
                 }
             }
         }
@@ -184,7 +185,6 @@ public final class CameraManager {
             previewCallback.setHandler(null, 0);
             previewing = false;
         }
-
     }
 
     /**
@@ -358,7 +358,7 @@ public final class CameraManager {
             int leftOffset = (screenResolution.x - width) / 2;
             int topOffset = (screenResolution.y - height) / 2;
             framingRect = new Rect(leftOffset, topOffset, leftOffset + width, topOffset + height);
-             LogUtils.d( "Calculated manual framing rect: " + framingRect);
+            LogUtils.d( "Calculated manual framing rect: " + framingRect);
             framingRectInPreview = null;
         } else {
             requestedFramingRectWidth = width;

lib/src/main/java/com/king/zxing/camera/PreviewCallback.java

@@ -27,6 +27,8 @@ import com.king.zxing.util.LogUtils;
 @SuppressWarnings("deprecation") // camera APIs
 final class PreviewCallback implements Camera.PreviewCallback {
 
+    private static final String TAG = PreviewCallback.class.getSimpleName();
+
     private final CameraConfigurationManager configManager;
     private Handler previewHandler;
     private int previewMessage;
@@ -50,7 +52,7 @@ final class PreviewCallback implements Camera.PreviewCallback {
             message.sendToTarget();
             previewHandler = null;
         } else {
-             LogUtils.d( "Got preview callback, but no handler or resolution available");
+            LogUtils.d("Got preview callback, but no handler or resolution available");
         }
     }
 

lib/src/main/java/com/king/zxing/camera/open/OpenCameraInterface.java

@@ -47,11 +47,11 @@ public final class OpenCameraInterface {
 
         int numCameras = Camera.getNumberOfCameras();
         if (numCameras == 0) {
-            LogUtils.w( "No cameras!");
+            LogUtils.w("No cameras!");
             return null;
         }
         if (cameraId >= numCameras) {
-            LogUtils.w( "Requested camera does not exist: " + cameraId);
+            LogUtils.w("Requested camera does not exist: " + cameraId);
             return null;
         }
 

lib/src/main/java/com/king/zxing/util/CodeUtils.java

@@ -20,12 +20,14 @@ import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
-import android.support.annotation.ColorInt;
+
-import android.support.annotation.FloatRange;
-import android.support.annotation.NonNull;
 import android.text.TextPaint;
 import android.text.TextUtils;
 
+import androidx.annotation.ColorInt;
+import androidx.annotation.FloatRange;
+import androidx.annotation.NonNull;
+
 import com.google.zxing.BarcodeFormat;
 import com.google.zxing.BinaryBitmap;
 import com.google.zxing.DecodeHintType;
@@ -648,7 +650,7 @@ public final class CodeUtils {
      * @param textColor
      * @return
      */
-    private static Bitmap addCode(Bitmap src,String code,int textSize,@ColorInt int textColor,int offset) {
+    private static Bitmap addCode(Bitmap src, String code, int textSize, @ColorInt int textColor, int offset) {
         if (src == null) {
             return null;
         }

versions.gradle

@@ -1,7 +1,7 @@
 //App 
 def app_version = [:]
-app_version.versionCode = 25    //androidx 26
+app_version.versionCode = 26
-app_version.versionName = "1.1.9"
+app_version.versionName = "1.1.9-androidx"
 ext.app_version = app_version
 
 //build version
@@ -16,35 +16,37 @@ ext.deps = [:]
 
 // App dependencies
 def versions = [:]
-//support
+//AndroidX
-versions.supportLibrary = "28.0.0"
+versions.material = "1.2.0-alpha01"
+versions.appcompat = "1.1.0"
 versions.constraintLayout = "1.1.3"
 
 //test
-versions.junit = "4.12"
+versions.junit = "1.1.0"
-versions.runner = "1.0.2"
+versions.test = "1.2.0"
-versions.rules = "1.0.2"
+versions.runner = "1.2.0"
-versions.espresso = "3.0.2"
+versions.espresso = "3.2.0"
 
 //zxing
 versions.zxing = "3.3.3"
 
-versions.easypermissions = "2.0.1"
+versions.easypermissions = "3.0.0"
-
 
+ext.versions = versions
 
 //support
 def support = [:]
-support.design = "com.android.support:design:$versions.supportLibrary"
+support.design = "com.google.android.material:material:$versions.material"
-support.appcompat = "com.android.support:appcompat-v7:$versions.supportLibrary"
+support.appcompat = "androidx.appcompat:appcompat:$versions.appcompat"
-support.constraintlayout = "com.android.support.constraint:constraint-layout:$versions.constraintLayout"
+support.constraintlayout = "androidx.constraintlayout:constraintlayout:$versions.constraintLayout"
 deps.support = support
 
 //test
 def test = [:]
-test.junit = "junit:junit:$versions.junit"
+test.junit = "androidx.test.ext:junit:$versions.junit"
-test.runner = "com.android.support.test:runner:$versions.runner"
+test.test = "androidx.test:core:$versions.test"
-test.espresso = "com.android.support.test.espresso:espresso-core:$versions.espresso"
+test.runner = "androidx.test:runner:$versions.runner"
+test.espresso = "androidx.test.espresso:espresso-core:$versions.espresso"
 deps.test = test
 
 //zxing