CaptureActivityHandler(CaptureActivity activity, Collection<BarcodeFormat> decodeFormats, Map<DecodeHintType,?> baseHints, String characterSet, CameraManager cameraManager) { this.activity = activity; decodeThread = new DecodeThread(activity, decodeFormats, baseHints, characterSet, new ViewfinderResultPointCallback(activity.getViewfinderView())); decodeThread.start(); state = State.SUCCESS; // Start ourselves capturing previews and decoding. this.cameraManager = cameraManager; cameraManager.startPreview(); restartPreviewAndDecode(); }
public CaptureActivityHandler(DefaultCaptureActivity activity, Collection<BarcodeFormat> decodeFormats, Map<DecodeHintType, ?> baseHints, String characterSet, CameraManager cameraManager) { this.activity = activity; decodeThread = new DecodeThread(activity, decodeFormats, baseHints, characterSet, null); decodeThread.start(); state = State.SUCCESS; // Start ourselves capturing previews and decoding. // 开始拍摄预览和解码 this.cameraManager = cameraManager; cameraManager.startPreview(); restartPreviewAndDecode(); }
@Override protected void onResume() { super.onResume(); // CameraManager必须在这里初始化，而不是在onCreate()中。 // 这是必须的，因为当我们第一次进入时需要显示帮助页，我们并不想打开Camera,测量屏幕大小 // 当扫描框的尺寸不正确时会出现bug cameraManager = new CameraManager(getApplication()); handler = null; SurfaceHolder surfaceHolder = surfaceView.getHolder(); if (hasSurface) { // activity在paused时但不会stopped,因此surface仍旧存在； // surfaceCreated()不会调用，因此在这里初始化camera initCamera(surfaceHolder); } else { // 重置callback，等待surfaceCreated()来初始化camera surfaceHolder.addCallback(this); } decodeFormats = null; characterSet = null; }
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_capture); isOpen = false; prompt1 = (TextView) findViewById(R.id.prompt1); prompt2 = (TextView) findViewById(R.id.prompt2); photo = (Button) findViewById(R.id.photo); flash = (Button) findViewById(R.id.flash); myqrcode = (Button) findViewById(R.id.myqrcode); photo.setOnClickListener(this); flash.setOnClickListener(this); myqrcode.setOnClickListener(this); resetTextView(); CameraManager.init(getApplication()); initControl(); hasSurface = false; inactivityTimer = new InactivityTimer(this); }
void start(CameraManager cameraManager) { this.cameraManager = cameraManager; SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context); if (FrontLightMode.readPref(sharedPrefs) == FrontLightMode.AUTO) { SensorManager sensorManager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE); lightSensor = sensorManager.getDefaultSensor(Sensor.TYPE_LIGHT); if (lightSensor != null) { sensorManager.registerListener(this, lightSensor, SensorManager.SENSOR_DELAY_NORMAL); } } }
public CaptureActivityHandler(CaptureActivity activity, CameraManager cameraManager, int decodeMode) { this.activity = activity; decodeThread = new DecodeThread(activity, decodeMode); decodeThread.start(); state = State.SUCCESS; // Start ourselves capturing previews and decoding. this.cameraManager = cameraManager; cameraManager.startPreview(); restartPreviewAndDecode(); }
@Override protected void onResume() { super.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. cameraManager = new CameraManager(getApplication()); 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(); }
@Override protected void onPause() { super.onPause(); if (handler != null) { handler.quitSynchronously(); handler = null; } CameraManager.get().closeDriver(); }
public CaptureActivityHandler(CaptureActivity activity, Vector<BarcodeFormat> decodeFormats, String characterSet) { this.activity = activity; decodeThread = new DecodeThread(activity, decodeFormats, characterSet, new ViewfinderResultPointCallback(activity.getViewfinderView())); decodeThread.start(); state = State.SUCCESS; // Start ourselves capturing previews and decoding. CameraManager.get().startPreview(); restartPreviewAndDecode(); }
public void quitSynchronously() { state = State.DONE; CameraManager.get().stopPreview(); Message quit = Message.obtain(decodeThread.getHandler(), R.id.quit); quit.sendToTarget(); try { decodeThread.join(); } catch (InterruptedException e) { // continue } // Be absolutely sure we don't send any queued up messages removeMessages(R.id.decode_succeeded); removeMessages(R.id.decode_failed); }
private void restartPreviewAndDecode() { if (state == State.SUCCESS) { state = State.PREVIEW; CameraManager.get().requestPreviewFrame(decodeThread.getHandler(), R.id.decode); CameraManager.get().requestAutoFocus(this, R.id.auto_focus); activity.drawViewfinder(); } }
/** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.qr_code_scan); CameraManager.init(getApplication()); initControl(); hasSurface = false; inactivityTimer = new InactivityTimer(this); }
CameraManager getCameraManager() { return cameraManager; }
@Override protected void onResume() { super.onResume(); // historyManager must be initialized here to update the history preference // CameraManager must be initialized here, not in onCreate(). This is necessary because // we don't // want to open the camera driver and measure the screen size if we're going to show the // help on // first launch. That led to bugs where the scanning rectangle was the wrong size and // partially // off screen. cameraManager = new CameraManager(getApplication()); viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view); viewfinderView.setCameraManager(cameraManager); handler = null; setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT); beepManager.updatePrefs(); ambientLightManager.start(cameraManager); inactivityTimer.onResume(); decodeFormats = EnumSet.noneOf(BarcodeFormat.class); decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS); decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS); characterSet = null; SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view); SurfaceHolder surfaceHolder = surfaceView.getHolder(); if (hasSurface) { // The activity was paused but not stopped, so the surface still exists. Therefore // surfaceCreated() won't be called, so init the camera here. initCamera(surfaceHolder); } else { // Install the callback and wait for surfaceCreated() to init the camera. surfaceHolder.addCallback(this); } }
public void setCameraManager(CameraManager cameraManager) { this.cameraManager = cameraManager; }
public CameraManager getCameraManager() { return cameraManager; }
@Override public void handleMessage(Message message) { switch (message.what) { case R.id.auto_focus: // Log.d(TAG, "Got auto-focus message"); // When one auto focus pass finishes, start another. This is the // closest thing to // continuous AF. It does seem to hunt a bit, but I'm not sure // what else to do. if (state == State.PREVIEW) { CameraManager.get().requestAutoFocus(this, R.id.auto_focus); } break; case R.id.restart_preview: Log.d(TAG, "Got restart preview message"); restartPreviewAndDecode(); break; case R.id.decode_succeeded: Log.d(TAG, "Got decode succeeded message"); state = State.SUCCESS; Bundle bundle = message.getData(); /***********************************************************************/ Bitmap barcode = bundle == null ? null : (Bitmap) bundle.getParcelable(DecodeThread.BARCODE_BITMAP); activity.handleDecode((Result) message.obj, barcode); /***********************************************************************/ break; case R.id.decode_failed: // We're decoding as fast as possible, so when one decode fails, // start another. state = State.PREVIEW; CameraManager.get().requestPreviewFrame(decodeThread.getHandler(), R.id.decode); break; case R.id.return_scan_result: Log.d(TAG, "Got return scan result message"); activity.setResult(Activity.RESULT_OK, (Intent) message.obj); activity.finish(); break; case R.id.launch_product_query: Log.d(TAG, "Got product query message"); String url = (String) message.obj; Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url)); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); activity.startActivity(intent); break; } }
@Override public void handleMessage(Message message) { switch (message.what) { case R.id.auto_focus: // Log.d(TAG, "Got auto-focus message"); // When one auto focus pass finishes, start another. This is the // closest thing to // continuous AF. It does seem to hunt a bit, but I'm not sure // what else to do. if (state == State.PREVIEW) { CameraManager.get().requestAutoFocus(this, R.id.auto_focus); } break; case R.id.restart_preview: Log.d(TAG, "Got restart preview message"); restartPreviewAndDecode(); break; case R.id.decode_succeeded: Log.d(TAG, "Got decode succeeded message"); state = State.SUCCESS; Bundle bundle = message.getData(); /***********************************************************************/ Bitmap barcode = bundle == null ? null : (Bitmap) bundle.getParcelable(DecodeThread.BARCODE_BITMAP);// ���ñ����߳� activity.handleDecode((Result) message.obj, barcode);// ���ؽ�� /***********************************************************************/ break; case R.id.decode_failed: // We're decoding as fast as possible, so when one decode fails, // start another. state = State.PREVIEW; CameraManager.get().requestPreviewFrame(decodeThread.getHandler(), R.id.decode); break; case R.id.return_scan_result: Log.d(TAG, "Got return scan result message"); activity.setResult(Activity.RESULT_OK, (Intent) message.obj); activity.finish(); break; case R.id.launch_product_query: Log.d(TAG, "Got product query message"); String url = (String) message.obj; Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url)); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); activity.startActivity(intent); break; } }
