842 lines
26 KiB
Java
842 lines
26 KiB
Java
/*
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* Copyright (C) 2019 Jenly Yu
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.king.zxing;
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import android.app.Activity;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.graphics.Bitmap;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.hardware.Camera;
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import android.support.annotation.FloatRange;
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import android.support.v4.app.Fragment;
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import android.view.MotionEvent;
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import android.view.SurfaceHolder;
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import android.view.SurfaceView;
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import android.view.View;
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import com.google.zxing.BarcodeFormat;
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import com.google.zxing.DecodeHintType;
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import com.google.zxing.Result;
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import com.king.zxing.camera.CameraManager;
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import com.king.zxing.camera.FrontLightMode;
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import com.king.zxing.util.LogUtils;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.EnumMap;
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import java.util.List;
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import java.util.Map;
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/**
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* @author <a href="mailto:jenly1314@gmail.com">Jenly</a>
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*/
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public class CaptureHelper implements CaptureLifecycle,CaptureTouchEvent,CaptureManager, SurfaceHolder.Callback {
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private Activity activity;
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private CaptureHandler captureHandler;
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private OnCaptureListener onCaptureListener;
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private CameraManager cameraManager;
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private InactivityTimer inactivityTimer;
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private BeepManager beepManager;
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private AmbientLightManager ambientLightManager;
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private SurfaceView surfaceView;
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private ViewfinderView viewfinderView;
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private SurfaceHolder surfaceHolder;
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private View ivTorch;
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private Collection<BarcodeFormat> decodeFormats;
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private Map<DecodeHintType,Object> decodeHints;
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private String characterSet;
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private boolean hasSurface;
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/**
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* 默认触控误差值
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*/
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private static final int DEVIATION = 6;
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/**
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* 是否支持缩放（变焦），默认支持
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*/
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private boolean isSupportZoom = true;
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private float oldDistance;
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/**
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* 是否支持自动缩放（变焦），默认支持
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*/
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private boolean isSupportAutoZoom = true;
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/**
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* 是否支持识别颜色反转色的码，黑白颜色反转，默认不支持
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*/
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private boolean isSupportLuminanceInvert = false;
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/**
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* 是否支持连扫，默认不支持
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*/
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private boolean isContinuousScan = false;
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/**
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* 连扫时，是否自动重置预览和解码器，默认自动重置
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*/
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private boolean isAutoRestartPreviewAndDecode = true;
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/**
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* 是否播放音效
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*/
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private boolean isPlayBeep;
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/**
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* 是否震动
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*/
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private boolean isVibrate;
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/**
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* 是否支持垂直的条形码
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*/
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private boolean isSupportVerticalCode;
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/**
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* 是否返回扫码原图
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*/
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private boolean isReturnBitmap;
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/**
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* 是否支持全屏扫码识别
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*/
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private boolean isFullScreenScan;
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/**
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* 识别区域比例，范围建议在0.625 ~ 1.0之间，默认0.9
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*/
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private float framingRectRatio = 0.9f;
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/**
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* 识别区域垂直方向偏移量
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*/
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private int framingRectVerticalOffset;
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/**
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* 识别区域水平方向偏移量
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*/
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private int framingRectHorizontalOffset;
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/**
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* 光线太暗，当光线亮度太暗，亮度低于此值时，显示手电筒按钮
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*/
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private float tooDarkLux = AmbientLightManager.TOO_DARK_LUX;
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/**
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* 光线足够明亮，当光线亮度足够明亮，亮度高于此值时，隐藏手电筒按钮
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*/
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private float brightEnoughLux = AmbientLightManager.BRIGHT_ENOUGH_LUX;
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/**
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* 扫码回调
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*/
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private OnCaptureCallback onCaptureCallback;
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private boolean hasCameraFlash;
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/**
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* use {@link #CaptureHelper(Fragment, SurfaceView, ViewfinderView, View)}
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* @param fragment
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* @param surfaceView
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* @param viewfinderView
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*/
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@Deprecated
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public CaptureHelper(Fragment fragment, SurfaceView surfaceView, ViewfinderView viewfinderView){
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this(fragment,surfaceView,viewfinderView,null);
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}
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public CaptureHelper(Fragment fragment, SurfaceView surfaceView, ViewfinderView viewfinderView,View ivTorch){
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this(fragment.getActivity(),surfaceView,viewfinderView,ivTorch);
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}
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/**
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* use {@link #CaptureHelper(Activity, SurfaceView, ViewfinderView, View)}
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* @param activity
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* @param surfaceView
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* @param viewfinderView
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*/
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@Deprecated
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public CaptureHelper(Activity activity,SurfaceView surfaceView,ViewfinderView viewfinderView){
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this(activity,surfaceView,viewfinderView,null);
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}
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/**
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*
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* @param activity
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* @param surfaceView
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* @param viewfinderView
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* @param ivTorch
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*/
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public CaptureHelper(Activity activity,SurfaceView surfaceView,ViewfinderView viewfinderView,View ivTorch){
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this.activity = activity;
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this.surfaceView = surfaceView;
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this.viewfinderView = viewfinderView;
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this.ivTorch = ivTorch;
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}
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@Override
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public void onCreate(){
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surfaceHolder = surfaceView.getHolder();
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hasSurface = false;
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inactivityTimer = new InactivityTimer(activity);
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beepManager = new BeepManager(activity);
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ambientLightManager = new AmbientLightManager(activity);
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hasCameraFlash = activity.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
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initCameraManager();
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onCaptureListener = (result, barcode, scaleFactor) -> {
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inactivityTimer.onActivity();
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beepManager.playBeepSoundAndVibrate();
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onResult(result,barcode,scaleFactor);
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};
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//设置是否播放音效和震动
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beepManager.setPlayBeep(isPlayBeep);
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beepManager.setVibrate(isVibrate);
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//设置闪光灯的太暗时和足够亮时的照度值
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ambientLightManager.setTooDarkLux(tooDarkLux);
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ambientLightManager.setBrightEnoughLux(brightEnoughLux);
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}
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@Override
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public void onResume(){
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beepManager.updatePrefs();
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inactivityTimer.onResume();
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if (hasSurface) {
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initCamera(surfaceHolder);
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} else {
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surfaceHolder.addCallback(this);
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}
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ambientLightManager.start(cameraManager);
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}
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@Override
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public void onPause(){
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if (captureHandler != null) {
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captureHandler.quitSynchronously();
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captureHandler = null;
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}
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inactivityTimer.onPause();
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ambientLightManager.stop();
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beepManager.close();
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cameraManager.closeDriver();
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if (!hasSurface) {
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surfaceHolder.removeCallback(this);
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}
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if(ivTorch != null && ivTorch.getVisibility() == View.VISIBLE){
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ivTorch.setSelected(false);
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ivTorch.setVisibility(View.INVISIBLE);
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}
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}
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@Override
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public void onDestroy(){
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inactivityTimer.shutdown();
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}
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/**
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* 支持缩放时，须在{@link Activity#onTouchEvent(MotionEvent)}调用此方法
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* @param event
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*/
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@Override
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public boolean onTouchEvent(MotionEvent event){
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if(isSupportZoom && cameraManager.isOpen()){
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Camera camera = cameraManager.getOpenCamera().getCamera();
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if(camera ==null){
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return false;
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}
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if(event.getPointerCount() > 1) {
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switch (event.getAction() & MotionEvent.ACTION_MASK) {//多点触控
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case MotionEvent.ACTION_POINTER_DOWN:
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oldDistance = calcFingerSpacing(event);
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break;
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case MotionEvent.ACTION_MOVE:
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float newDistance = calcFingerSpacing(event);
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if (newDistance > oldDistance + DEVIATION) {//
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handleZoom(true, camera);
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} else if (newDistance < oldDistance - DEVIATION) {
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handleZoom(false, camera);
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}
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oldDistance = newDistance;
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break;
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}
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return true;
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}
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}
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return false;
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}
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private void initCameraManager(){
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cameraManager = new CameraManager(activity);
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cameraManager.setFullScreenScan(isFullScreenScan);
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cameraManager.setFramingRectRatio(framingRectRatio);
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cameraManager.setFramingRectVerticalOffset(framingRectVerticalOffset);
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cameraManager.setFramingRectHorizontalOffset(framingRectHorizontalOffset);
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if(ivTorch !=null && hasCameraFlash){
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ivTorch.setOnClickListener(v -> {
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if(cameraManager!=null){
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cameraManager.setTorch(!ivTorch.isSelected());
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}
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});
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cameraManager.setOnSensorListener((torch, tooDark, ambientLightLux) -> {
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if(tooDark){
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if(ivTorch.getVisibility() != View.VISIBLE){
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ivTorch.setVisibility(View.VISIBLE);
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}
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}else if(!torch){
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if(ivTorch.getVisibility() == View.VISIBLE){
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ivTorch.setVisibility(View.INVISIBLE);
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}
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}
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});
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cameraManager.setOnTorchListener(torch -> ivTorch.setSelected(torch));
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}
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}
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/**
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* 初始化Camera
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* @param surfaceHolder
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*/
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private void initCamera(SurfaceHolder surfaceHolder) {
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if (surfaceHolder == null) {
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throw new IllegalStateException("No SurfaceHolder provided");
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}
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if (cameraManager.isOpen()) {
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LogUtils.w("initCamera() while already open -- late SurfaceView callback?");
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return;
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}
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try {
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cameraManager.openDriver(surfaceHolder);
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// Creating the handler starts the preview, which can also throw a RuntimeException.
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if (captureHandler == null) {
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captureHandler = new CaptureHandler(activity,viewfinderView,onCaptureListener, decodeFormats, decodeHints, characterSet, cameraManager);
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captureHandler.setSupportVerticalCode(isSupportVerticalCode);
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captureHandler.setReturnBitmap(isReturnBitmap);
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captureHandler.setSupportAutoZoom(isSupportAutoZoom);
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captureHandler.setSupportLuminanceInvert(isSupportLuminanceInvert);
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}
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} catch (IOException ioe) {
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LogUtils.w( ioe);
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} catch (RuntimeException e) {
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// Barcode Scanner has seen crashes in the wild of this variety:
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// java.?lang.?RuntimeException: Fail to connect to camera service
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LogUtils.w( "Unexpected error initializing camera", e);
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}
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}
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@Override
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public void surfaceCreated(SurfaceHolder holder) {
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if (holder == null) {
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LogUtils.w( "*** WARNING *** surfaceCreated() gave us a null surface!");
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}
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if (!hasSurface) {
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hasSurface = true;
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initCamera(holder);
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}
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}
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@Override
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public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
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}
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@Override
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public void surfaceDestroyed(SurfaceHolder holder) {
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hasSurface = false;
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}
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/**
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* 处理变焦缩放
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* @param isZoomIn
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* @param camera
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*/
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private void handleZoom(boolean isZoomIn, Camera camera) {
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Camera.Parameters params = camera.getParameters();
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if (params.isZoomSupported()) {
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int maxZoom = params.getMaxZoom();
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int zoom = params.getZoom();
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if (isZoomIn && zoom < maxZoom) {
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zoom++;
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} else if (zoom > 0) {
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zoom--;
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}
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params.setZoom(zoom);
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camera.setParameters(params);
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} else {
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LogUtils.i( "zoom not supported");
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}
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}
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/**
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* 聚焦
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* @param event
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* @param camera
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*/
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@Deprecated
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private void focusOnTouch(MotionEvent event,Camera camera) {
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Camera.Parameters params = camera.getParameters();
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Camera.Size previewSize = params.getPreviewSize();
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Rect focusRect = calcTapArea(event.getRawX(), event.getRawY(), 1f,previewSize);
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Rect meteringRect = calcTapArea(event.getRawX(), event.getRawY(), 1.5f,previewSize);
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Camera.Parameters parameters = camera.getParameters();
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if (parameters.getMaxNumFocusAreas() > 0) {
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List<Camera.Area> focusAreas = new ArrayList<>();
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focusAreas.add(new Camera.Area(focusRect, 600));
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parameters.setFocusAreas(focusAreas);
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}
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if (parameters.getMaxNumMeteringAreas() > 0) {
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List<Camera.Area> meteringAreas = new ArrayList<>();
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meteringAreas.add(new Camera.Area(meteringRect, 600));
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parameters.setMeteringAreas(meteringAreas);
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}
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final String currentFocusMode = params.getFocusMode();
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params.setFocusMode(Camera.Parameters.FOCUS_MODE_MACRO);
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camera.setParameters(params);
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camera.autoFocus((success, camera1) -> {
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Camera.Parameters params1 = camera1.getParameters();
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params1.setFocusMode(currentFocusMode);
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camera1.setParameters(params1);
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});
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}
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/**
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* 计算两指间距离
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* @param event
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* @return
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*/
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private float calcFingerSpacing(MotionEvent event) {
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float x = event.getX(0) - event.getX(1);
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float y = event.getY(0) - event.getY(1);
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return (float) Math.sqrt(x * x + y * y);
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}
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/**
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* 计算对焦区域
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* @param x
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* @param y
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* @param coefficient
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* @param previewSize
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* @return
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*/
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private Rect calcTapArea(float x, float y, float coefficient, Camera.Size previewSize) {
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float focusAreaSize = 200;
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int areaSize = Float.valueOf(focusAreaSize * coefficient).intValue();
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int centerX = (int) ((x / previewSize.width) * 2000 - 1000);
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int centerY = (int) ((y / previewSize.height) * 2000 - 1000);
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int left = clamp(centerX - (areaSize / 2), -1000, 1000);
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int top = clamp(centerY - (areaSize / 2), -1000, 1000);
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RectF rectF = new RectF(left, top, left + areaSize, top + areaSize);
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return new Rect(Math.round(rectF.left), Math.round(rectF.top),
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Math.round(rectF.right), Math.round(rectF.bottom));
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}
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/**
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* 根据范围限定值
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* @param x
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* @param min 范围最小值
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* @param max 范围最大值
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* @return
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*/
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private int clamp(int x, int min, int max) {
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if (x > max) {
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return max;
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}
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if (x < min) {
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return min;
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}
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return x;
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}
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/**
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* 重新启动扫码和解码器
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*/
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public void restartPreviewAndDecode(){
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if(captureHandler!=null){
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captureHandler.restartPreviewAndDecode();
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}
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}
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/**
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* 接收扫码结果
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* @param result
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* @param barcode
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* @param scaleFactor
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*/
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public void onResult(Result result, Bitmap barcode, float scaleFactor){
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onResult(result);
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}
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/**';, mnb
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*
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* 接收扫码结果，想支持连扫时，可将{@link #continuousScan(boolean)}设置为{@code true}
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* 如果{@link #isContinuousScan}支持连扫，则默认重启扫码和解码器；当连扫逻辑太复杂时，
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* 请将{@link #autoRestartPreviewAndDecode(boolean)}设置为{@code false}，并手动调用{@link #restartPreviewAndDecode()}
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* @param result 扫码结果
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*/
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public void onResult(Result result){
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final String text = result.getText();
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if(isContinuousScan){
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if(onCaptureCallback!=null){
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onCaptureCallback.onResultCallback(text);
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}
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if(isAutoRestartPreviewAndDecode){
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restartPreviewAndDecode();
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}
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return;
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}
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if(isPlayBeep && captureHandler != null){//如果播放音效，则稍微延迟一点，给予播放音效时间
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captureHandler.postDelayed(() -> {
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//如果设置了回调，并且onCallback返回为true，则表示拦截
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if(onCaptureCallback!=null && onCaptureCallback.onResultCallback(text)){
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return;
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}
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Intent intent = new Intent();
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intent.putExtra(Intents.Scan.RESULT,text);
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activity.setResult(Activity.RESULT_OK,intent);
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activity.finish();
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},100);
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return;
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}
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|
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//如果设置了回调，并且onCallback返回为true，则表示拦截
|
||
if(onCaptureCallback!=null && onCaptureCallback.onResultCallback(text)){
|
||
return;
|
||
}
|
||
Intent intent = new Intent();
|
||
intent.putExtra(Intents.Scan.RESULT,text);
|
||
activity.setResult(Activity.RESULT_OK,intent);
|
||
activity.finish();
|
||
}
|
||
|
||
|
||
/**
|
||
* 设置是否连续扫码，如果想支持连续扫码，则将此方法返回{@code true}并重写{@link #onResult(Result)}
|
||
*/
|
||
public CaptureHelper continuousScan(boolean isContinuousScan){
|
||
this.isContinuousScan = isContinuousScan;
|
||
return this;
|
||
}
|
||
|
||
|
||
/**
|
||
* 设置是否自动重启扫码和解码器，当支持连扫时才起作用。
|
||
* @return 默认返回 true
|
||
*/
|
||
public CaptureHelper autoRestartPreviewAndDecode(boolean isAutoRestartPreviewAndDecode){
|
||
this.isAutoRestartPreviewAndDecode = isAutoRestartPreviewAndDecode;
|
||
return this;
|
||
}
|
||
|
||
|
||
/**
|
||
* 设置是否播放音效
|
||
* @return
|
||
*/
|
||
public CaptureHelper playBeep(boolean playBeep){
|
||
this.isPlayBeep = playBeep;
|
||
if(beepManager!=null){
|
||
beepManager.setPlayBeep(playBeep);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置是否震动
|
||
* @return
|
||
*/
|
||
public CaptureHelper vibrate(boolean vibrate){
|
||
this.isVibrate = vibrate;
|
||
if(beepManager!=null){
|
||
beepManager.setVibrate(vibrate);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
|
||
/**
|
||
* 设置是否支持缩放
|
||
* @param supportZoom
|
||
* @return
|
||
*/
|
||
public CaptureHelper supportZoom(boolean supportZoom) {
|
||
isSupportZoom = supportZoom;
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置支持的解码一/二维码格式，默认常规的码都支持
|
||
* @param decodeFormats 可参见{@link DecodeFormatManager}
|
||
* @return
|
||
*/
|
||
public CaptureHelper decodeFormats(Collection<BarcodeFormat> decodeFormats) {
|
||
this.decodeFormats = decodeFormats;
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* {@link DecodeHintType}
|
||
* @param decodeHints
|
||
* @return
|
||
*/
|
||
public CaptureHelper decodeHints(Map<DecodeHintType,Object> decodeHints) {
|
||
this.decodeHints = decodeHints;
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* {@link DecodeHintType}
|
||
* @param key {@link DecodeHintType}
|
||
* @param value {@link }
|
||
* @return
|
||
*/
|
||
public CaptureHelper decodeHint(DecodeHintType key,Object value){
|
||
if(decodeHints == null){
|
||
decodeHints = new EnumMap<>(DecodeHintType.class);
|
||
}
|
||
decodeHints.put(key,value);
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置解码时编码字符集
|
||
* @param characterSet
|
||
* @return
|
||
*/
|
||
public CaptureHelper characterSet(String characterSet) {
|
||
this.characterSet = characterSet;
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置是否支持扫垂直的条码
|
||
* @param supportVerticalCode 默认为false，想要增强扫条码识别度时可使用，相应的会增加性能消耗。
|
||
* @return
|
||
*/
|
||
public CaptureHelper supportVerticalCode(boolean supportVerticalCode) {
|
||
this.isSupportVerticalCode = supportVerticalCode;
|
||
if(captureHandler!=null){
|
||
captureHandler.setSupportVerticalCode(isSupportVerticalCode);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置闪光灯模式。当设置模式为：{@link FrontLightMode#AUTO}时，如果满意默认的照度值范围，
|
||
* 可通过{@link #tooDarkLux(float)}和{@link #brightEnoughLux(float)}来自定义照度范围，
|
||
* 控制自动触发开启和关闭闪光灯。
|
||
* 当设置模式非{@link FrontLightMode#AUTO}时，传感器不会检测，则不使用手电筒
|
||
*
|
||
* @param mode 默认:{@link FrontLightMode#AUTO}
|
||
* @return
|
||
*/
|
||
public CaptureHelper frontLightMode(FrontLightMode mode) {
|
||
FrontLightMode.put(activity,mode);
|
||
if(ivTorch!=null && mode != FrontLightMode.AUTO){
|
||
ivTorch.setVisibility(View.INVISIBLE);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置光线太暗时，自动显示手电筒按钮
|
||
* @param tooDarkLux 默认：{@link AmbientLightManager#TOO_DARK_LUX}
|
||
* @return
|
||
*/
|
||
public CaptureHelper tooDarkLux(float tooDarkLux) {
|
||
this.tooDarkLux = tooDarkLux;
|
||
if(ambientLightManager != null){
|
||
ambientLightManager.setTooDarkLux(tooDarkLux);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置光线足够明亮时，自动隐藏手电筒按钮
|
||
* @param brightEnoughLux 默认：{@link AmbientLightManager#BRIGHT_ENOUGH_LUX}
|
||
* @return
|
||
*/
|
||
public CaptureHelper brightEnoughLux(float brightEnoughLux) {
|
||
this.brightEnoughLux = brightEnoughLux;
|
||
if(ambientLightManager != null){
|
||
ambientLightManager.setTooDarkLux(tooDarkLux);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置返回扫码原图
|
||
* @param returnBitmap 默认为false，当返回true表示扫码就结果会返回扫码原图，相应的会增加性能消耗。
|
||
* @return
|
||
*/
|
||
public CaptureHelper returnBitmap(boolean returnBitmap) {
|
||
isReturnBitmap = returnBitmap;
|
||
if(captureHandler!=null){
|
||
captureHandler.setReturnBitmap(isReturnBitmap);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
|
||
/**
|
||
* 设置是否支持自动缩放
|
||
* @param supportAutoZoom
|
||
* @return
|
||
*/
|
||
public CaptureHelper supportAutoZoom(boolean supportAutoZoom) {
|
||
isSupportAutoZoom = supportAutoZoom;
|
||
if(captureHandler!=null){
|
||
captureHandler.setSupportAutoZoom(isSupportAutoZoom);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 是否支持识别反色码，黑白颜色反转
|
||
* @param supportLuminanceInvert 默认为false，当返回true时表示支持，会增加识别率，但相应的也会增加性能消耗。
|
||
* @return
|
||
*/
|
||
public CaptureHelper supportLuminanceInvert(boolean supportLuminanceInvert) {
|
||
isSupportLuminanceInvert = supportLuminanceInvert;
|
||
if(captureHandler!=null){
|
||
captureHandler.setSupportLuminanceInvert(isSupportLuminanceInvert);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置是否支持全屏扫码识别
|
||
* @param fullScreenScan 默认为false
|
||
* @return
|
||
*/
|
||
public CaptureHelper fullScreenScan(boolean fullScreenScan) {
|
||
isFullScreenScan = fullScreenScan;
|
||
if(cameraManager!=null){
|
||
cameraManager.setFullScreenScan(isFullScreenScan);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置识别区域比例，范围建议在0.625 ~ 1.0之间。非全屏识别时才有效
|
||
* 0.625 即与默认推荐显示区域一致，1.0表示与宽度一致
|
||
* @param framingRectRatio 默认0.9
|
||
* @return
|
||
*/
|
||
public CaptureHelper framingRectRatio(@FloatRange(from = 0.0f ,to = 1.0f) float framingRectRatio) {
|
||
this.framingRectRatio = framingRectRatio;
|
||
if(cameraManager!=null){
|
||
cameraManager.setFramingRectRatio(framingRectRatio);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置识别区域垂直方向偏移量，非全屏识别时才有效
|
||
* @param framingRectVerticalOffset 默认0，表示不偏移
|
||
* @return
|
||
*/
|
||
public CaptureHelper framingRectVerticalOffset(int framingRectVerticalOffset) {
|
||
this.framingRectVerticalOffset = framingRectVerticalOffset;
|
||
if(cameraManager!=null){
|
||
cameraManager.setFramingRectVerticalOffset(framingRectVerticalOffset);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* 设置识别区域水平方向偏移量，非全屏识别时才有效
|
||
* @param framingRectHorizontalOffset 默认0，表示不偏移
|
||
* @return
|
||
*/
|
||
public CaptureHelper framingRectHorizontalOffset(int framingRectHorizontalOffset) {
|
||
this.framingRectHorizontalOffset = framingRectHorizontalOffset;
|
||
if(cameraManager!=null){
|
||
cameraManager.setFramingRectHorizontalOffset(framingRectHorizontalOffset);
|
||
}
|
||
return this;
|
||
}
|
||
|
||
|
||
/**
|
||
* 设置扫码回调
|
||
* @param callback
|
||
* @return
|
||
*/
|
||
public CaptureHelper setOnCaptureCallback(OnCaptureCallback callback) {
|
||
this.onCaptureCallback = callback;
|
||
return this;
|
||
}
|
||
|
||
/**
|
||
* {@link CameraManager}
|
||
* @return {@link #cameraManager}
|
||
*/
|
||
@Override
|
||
public CameraManager getCameraManager() {
|
||
return cameraManager;
|
||
}
|
||
|
||
/**
|
||
* {@link BeepManager}
|
||
* @return {@link #beepManager}
|
||
*/
|
||
@Override
|
||
public BeepManager getBeepManager() {
|
||
return beepManager;
|
||
}
|
||
|
||
/**
|
||
* {@link AmbientLightManager}
|
||
* @return {@link #ambientLightManager}
|
||
*/
|
||
@Override
|
||
public AmbientLightManager getAmbientLightManager() {
|
||
return ambientLightManager;
|
||
}
|
||
|
||
/**
|
||
* {@link InactivityTimer}
|
||
* @return {@link #inactivityTimer}
|
||
*/
|
||
@Override
|
||
public InactivityTimer getInactivityTimer() {
|
||
return inactivityTimer;
|
||
}
|
||
} |