@Override protected void onPause() { if (handler != null) { handler.quitSynchronously(); handler = null; } inactivityTimer.onPause(); ambientLightManager.stop(); cameraManager.closeDriver(); if (!hasSurface) { SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view); SurfaceHolder surfaceHolder = surfaceView.getHolder(); surfaceHolder.removeCallback(this); } super.onPause(); }
/** * A valid barcode has been found, so give an indication of success and show the results. * * @param rawResult The contents of the barcode. * @param scaleFactor amount by which thumbnail was scaled * @param barcode A greyscale bitmap of the camera data which was decoded. */ @SuppressWarnings("unchecked") public void handleDecode(Result rawResult, Bitmap barcode, float scaleFactor) { inactivityTimer.onActivity(); ParsedResult result = ResultParser.parseResult(rawResult); // Hand back whatever action they requested - this can be changed to Intents.Scan.ACTION when // the deprecated intent is retired. Intent intent = new Intent(getIntent().getAction()); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); intent.putExtra(Intents.Scan.RESULT, result.getDisplayResult()); intent.putExtra(Intents.Scan.RESULT_TYPE, result.getType().ordinal()); intent.putExtra(Intents.Scan.RESULT_FORMAT, rawResult.getBarcodeFormat().toString()); byte[] rawBytes = bm2bytes(barcode); // byte[] rawBytes = rawResult.getRawBytes(); if (rawBytes != null && rawBytes.length > 0) { intent.putExtra(Intents.Scan.RESULT_BYTES, rawBytes); } Map<ResultMetadataType, ?> metadata = rawResult.getResultMetadata(); if (metadata != null) { if (metadata.containsKey(ResultMetadataType.UPC_EAN_EXTENSION)) { intent.putExtra( Intents.Scan.RESULT_UPC_EAN_EXTENSION, metadata.get(ResultMetadataType.UPC_EAN_EXTENSION).toString()); } Integer orientation = (Integer) metadata.get(ResultMetadataType.ORIENTATION); if (orientation != null) { intent.putExtra(Intents.Scan.RESULT_ORIENTATION, orientation.intValue()); } String ecLevel = (String) metadata.get(ResultMetadataType.ERROR_CORRECTION_LEVEL); if (ecLevel != null) { intent.putExtra(Intents.Scan.RESULT_ERROR_CORRECTION_LEVEL, ecLevel); } Iterable<byte[]> byteSegments = (Iterable<byte[]>) metadata.get(ResultMetadataType.BYTE_SEGMENTS); if (byteSegments != null) { int i = 0; for (byte[] byteSegment : byteSegments) { intent.putExtra(Intents.Scan.RESULT_BYTE_SEGMENTS_PREFIX + i, byteSegment); i++; } } } Message message = Message.obtain(handler, R.id.return_scan_result, intent); handler.sendMessage(message); }
/** * A valid barcode has been found, so give an indication of success and show the results. * * @param rawResult The contents of the barcode. * @param scaleFactor amount by which thumbnail was scaled * @param barcode A greyscale bitmap of the camera data which was decoded. */ public void handleDecode(Result rawResult, Bitmap barcode, float scaleFactor) { inactivityTimer.onActivity(); lastResult = rawResult; ResultHandler resultHandler = ResultHandlerFactory.makeResultHandler(this, rawResult); boolean fromLiveScan = barcode != null; if (fromLiveScan) { historyManager.addHistoryItem(rawResult, resultHandler); // Then not from history, so beep/vibrate and we have an image to draw on beepManager.playBeepSoundAndVibrate(); drawResultPoints(barcode, scaleFactor, rawResult); } switch (source) { case NATIVE_APP_INTENT: case PRODUCT_SEARCH_LINK: handleDecodeExternally(rawResult, resultHandler, barcode); break; case ZXING_LINK: if (scanFromWebPageManager == null || !scanFromWebPageManager.isScanFromWebPage()) { handleDecodeInternally(rawResult, resultHandler, barcode); } else { handleDecodeExternally(rawResult, resultHandler, barcode); } break; case NONE: SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); if (fromLiveScan && prefs.getBoolean(PreferencesActivity.KEY_BULK_MODE, false)) { Toast.makeText( getApplicationContext(), getResources().getString(R.string.msg_bulk_mode_scanned) + " (" + rawResult.getText() + ')', Toast.LENGTH_SHORT) .show(); // Wait a moment or else it will scan the same barcode continuously about 3 times restartPreviewAfterDelay(BULK_MODE_SCAN_DELAY_MS); } else { handleDecodeInternally(rawResult, resultHandler, barcode); } break; } }
@Override protected void onDestroy() { inactivityTimer.shutdown(); super.onDestroy(); }
@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()); viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view); viewfinderView.setCameraManager(cameraManager); resultView = findViewById(R.id.result_view); statusView = (TextView) findViewById(R.id.status_view); handler = null; lastResult = null; resetStatusView(); 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); } beepManager.updatePrefs(); ambientLightManager.start(cameraManager); inactivityTimer.onResume(); Intent intent = getIntent(); SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); copyToClipboard = prefs.getBoolean(PreferencesActivity.KEY_COPY_TO_CLIPBOARD, true) && (intent == null || intent.getBooleanExtra(Intents.Scan.SAVE_HISTORY, true)); source = IntentSource.NONE; decodeFormats = null; characterSet = null; if (intent != null) { String action = intent.getAction(); String dataString = intent.getDataString(); if (Intents.Scan.ACTION.equals(action)) { // Scan the formats the intent requested, and return the result to the calling activity. source = IntentSource.NATIVE_APP_INTENT; decodeFormats = DecodeFormatManager.parseDecodeFormats(intent); decodeHints = DecodeHintManager.parseDecodeHints(intent); if (intent.hasExtra(Intents.Scan.WIDTH) && intent.hasExtra(Intents.Scan.HEIGHT)) { int width = intent.getIntExtra(Intents.Scan.WIDTH, 0); int height = intent.getIntExtra(Intents.Scan.HEIGHT, 0); if (width > 0 && height > 0) { cameraManager.setManualFramingRect(width, height); } } String customPromptMessage = intent.getStringExtra(Intents.Scan.PROMPT_MESSAGE); if (customPromptMessage != null) { statusView.setText(customPromptMessage); } } else if (dataString != null && dataString.contains("http://www.google") && dataString.contains("/m/products/scan")) { // Scan only products and send the result to mobile Product Search. source = IntentSource.PRODUCT_SEARCH_LINK; sourceUrl = dataString; decodeFormats = DecodeFormatManager.PRODUCT_FORMATS; } else if (isZXingURL(dataString)) { // Scan formats requested in query string (all formats if none specified). // If a return URL is specified, send the results there. Otherwise, handle it ourselves. source = IntentSource.ZXING_LINK; sourceUrl = dataString; Uri inputUri = Uri.parse(dataString); scanFromWebPageManager = new ScanFromWebPageManager(inputUri); decodeFormats = DecodeFormatManager.parseDecodeFormats(inputUri); // Allow a sub-set of the hints to be specified by the caller. decodeHints = DecodeHintManager.parseDecodeHints(inputUri); } characterSet = intent.getStringExtra(Intents.Scan.CHARACTER_SET); } }
@SuppressWarnings("deprecation") @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()); viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view); viewfinderView.setCameraManager(cameraManager); statusView = (TextView) findViewById(R.id.status_view); handler = null; resetStatusView(); 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); surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } ambientLightManager.start(cameraManager); inactivityTimer.onResume(); Intent intent = getIntent(); decodeFormats = null; characterSet = null; if (intent != null) { String action = intent.getAction(); if (Intents.Scan.ACTION.equals(action)) { // Scan the formats the intent requested, and return the result to the calling activity. decodeFormats = DecodeFormatManager.parseDecodeFormats(intent); decodeHints = DecodeHintManager.parseDecodeHints(intent); if (intent.hasExtra(Intents.Scan.WIDTH) && intent.hasExtra(Intents.Scan.HEIGHT)) { int width = intent.getIntExtra(Intents.Scan.WIDTH, 0); int height = intent.getIntExtra(Intents.Scan.HEIGHT, 0); if (width > 0 && height > 0) { cameraManager.setManualFramingRect(width, height); } } String customPromptMessage = intent.getStringExtra(Intents.Scan.PROMPT_MESSAGE); if (customPromptMessage != null) { statusView.setText(customPromptMessage); } } characterSet = intent.getStringExtra(Intents.Scan.CHARACTER_SET); } }