Zxing二维码一维码扫描生成Android源码

package com.cqc.zxing01.zxing; import android.app.Activity; import android.graphics.Bitmap; import android.graphics.Rect; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.text.TextUtils; import android.util.Log; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.View; import android.view.animation.Animation; import android.view.animation.TranslateAnimation; import android.widget.ImageView; import com.cqc.zxing01.R; import com.cqc.zxing01.zxing.camera.CameraManager; import com.cqc.zxing01.zxing.decode.DecodeThread; import com.cqc.zxing01.zxing.decode.PhotoScanHandler; import com.cqc.zxing01.zxing.decode.RGBLuminanceSource; import com.cqc.zxing01.zxing.utils.BeepManager; import com.cqc.zxing01.zxing.utils.BitmapUtil; import com.cqc.zxing01.zxing.utils.CaptureActivityHandler; import com.cqc.zxing01.zxing.utils.InactivityTimer; import com.google.zxing.BinaryBitmap; import com.google.zxing.DecodeHintType; import com.google.zxing.MultiFormatReader; import com.google.zxing.Result; import com.google.zxing.common.HybridBinarizer; import com.google.zxing.qrcode.QRCodeReader; import java.io.IOException; import java.lang.reflect.Field; import java.util.Map; public class ScanManager implements SurfaceHolder.Callback { boolean isHasSurface = false; CameraManager cameraManager; //用于拍摄扫描的handler CaptureActivityHandler handler; //用于照片扫描的handler,不可共用，图片扫描是不需要摄像机的 PhotoScanHandler photoScanHandler; Rect mCropRect = null; InactivityTimer inactivityTimer; public BeepManager beepManager; SurfaceView scanPreview = null; View scanContainer; View scanCropView; ImageView scanLine; final String TAG = ScanManager.class.getSimpleName(); Activity activity; ScanListener listener; boolean isOpenLight = false; private int scanMode;//扫描模型（条形，二维码，全部） /** * 用于启动照相机扫描二维码，在activity的onCreate里面构造出来 * 在activity的生命周期中调用此类相对应的生命周期方法 * * @param activity 扫描的activity * @param scanPreview 预览的SurfaceView * @param scanContainer 扫描的布局，全屏布局 * @param scanCropView 扫描的矩形区域 * @param scanLine 扫描线 */ public ScanManager(Activity activity, SurfaceView scanPreview, View scanContainer, View scanCropView, ImageView scanLine, int scanMode, ScanListener listener) { this.activity = activity; this.scanPreview = scanPreview; this.scanContainer = scanContainer; this.scanCropView = scanCropView; this.scanLine = scanLine; this.listener = listener; this.scanMode = scanMode; //启动动画 TranslateAnimation animation = new TranslateAnimation(Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.9f); animation.setDuration(4500); animation.setRepeatCount(-1); animation.setRepeatMode(Animation.RESTART); scanLine.startAnimation(animation); } /** * 用于图片扫描的构造函数 * * @param listener 结果的监听回调 */ public ScanManager(ScanListener listener) { this.listener = listener; } public void onResume() { // CameraManager must be initialized here, not in onCreate(). This is // necessary because we don't // want to open the camera driver and measure the screen size if we're // going to show the help on // first launch. That led to bugs where the scanning rectangle was the // wrong size and partially // off screen. inactivityTimer = new InactivityTimer(activity); beepManager = new BeepManager(activity); cameraManager = new CameraManager(activity.getApplicationContext()); handler = null; if (isHasSurface) { // The activity was paused but not stopped, so the surface still // exists. Therefore // surfaceCreated() won't be called, so init the camera here. initCamera(scanPreview.getHolder()); } else { // Install the callback and wait for surfaceCreated() to init the // camera. scanPreview.getHolder().addCallback(this); } inactivityTimer.onResume(); } public void onPause() { if (handler != null) { handler.quitSynchronously(); handler = null; } inactivityTimer.onPause(); beepManager.close(); cameraManager.closeDriver(); if (!isHasSurface) { scanPreview.getHolder().removeCallback(this); } } public void onDestroy() { inactivityTimer.shutdown(); } @Override public void surfaceCreated(SurfaceHolder holder) { if (holder == null) { Log.e(TAG, "*** WARNING *** surfaceCreated() gave us a null surface!"); } if (!isHasSurface) { isHasSurface = true; initCamera(holder); } } @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } @Override public void surfaceDestroyed(SurfaceHolder holder) { isHasSurface = false; } void initCamera(SurfaceHolder surfaceHolder) { if (surfaceHolder == null) { throw new IllegalStateException("No SurfaceHolder provided"); } if (cameraManager.isOpen()) { Log.w(TAG, "initCamera() while already open -- late SurfaceView callback?"); return; } try { cameraManager.openDriver(surfaceHolder); // Creating the handler starts the preview, which can also throw a // RuntimeException. if (handler == null) { handler = new CaptureActivityHandler(this, cameraManager, scanMode); Log.e("hongliang1", "handler new成功！:" + handler); } initCrop(); } catch (IOException ioe) { Log.e(TAG, "hongliang", ioe); //弹出提示，报错 ioe.printStackTrace(); listener.scanError(new Exception("相机打开出错，请检查是否被禁止了该权限！")); } catch (RuntimeException e) { Log.e(TAG, "hongliang", e); //弹出提示，报错 e.printStackTrace(); listener.scanError(new Exception("相机打开出错，请检查是否被禁止了该权限！")); } } /** * 开关闪关灯 */ public void switchLight() { if (isOpenLight) { cameraManager.offLight(); } else { cameraManager.openLight(); } isOpenLight = !isOpenLight; } public Handler getHandler() { return handler; } public CameraManager getCameraManager() { return cameraManager; } public Rect getCropRect() { return mCropRect; } /** * 扫描成功的结果回调 * * @param rawResult * @param bundle */ public void handleDecode(Result rawResult, Bundle bundle) { inactivityTimer.onActivity(); //扫描成功播放声音滴一下，可根据需要自行确定什么时候播 beepManager.playBeepSoundAndVibrate(); bundle.putInt("width", mCropRect.width()); bundle.putInt("height", mCropRect.height()); bundle.putString("result", rawResult.getText()); listener.scanResult(rawResult, bundle); } public void handleDecodeError(Exception e) { listener.scanError(e); } /** * 初始化截取的矩形区域 */