示例#1
0
  /**
   * Decode the data within the viewfinder rectangle, and time how long it took. For efficiency,
   * reuse the same reader objects from one decode to the next.
   *
   * @param data The YUV preview frame.
   * @param width The width of the preview frame.
   * @param height The height of the preview frame.
   */
  private void decode(byte[] data, int width, int height) {
    long start = System.currentTimeMillis();
    Result rawResult = null;
    PlanarYUVLuminanceSource source =
        activity.getCameraManager().buildLuminanceSource(data, width, height);
    if (source != null) {
      BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
      try {
        rawResult = multiFormatReader.decodeWithState(bitmap);
      } catch (ReaderException re) {
        // continue
      } finally {
        multiFormatReader.reset();
      }
    }

    Handler handler = activity.getHandler();
    if (rawResult != null) {
      // Don't log the barcode contents for security.
      long end = System.currentTimeMillis();
      Log.d(TAG, "Found barcode in " + (end - start) + " ms");
      if (handler != null) {
        Message message = Message.obtain(handler, R.id.decode_succeeded, rawResult);
        Bundle bundle = new Bundle();
        bundleThumbnail(source, bundle);
        message.setData(bundle);
        message.sendToTarget();
      }
    } else {
      if (handler != null) {
        Message message = Message.obtain(handler, R.id.decode_failed);
        message.sendToTarget();
      }
    }
  }
  @Override
  public void handleMessage(Message message) {
    if (message.what == R.id.zxing_decode_succeeded) {
      state = State.SUCCESS;
      Bundle bundle = message.getData();
      Bitmap barcode = null;
      float scaleFactor = 1.0f;
      if (bundle != null) {
        byte[] compressedBitmap = bundle.getByteArray(DecodeThread.BARCODE_BITMAP);
        if (compressedBitmap != null) {
          barcode =
              BitmapFactory.decodeByteArray(compressedBitmap, 0, compressedBitmap.length, null);
          // Mutable copy:
          barcode = barcode.copy(Bitmap.Config.ARGB_8888, true);
        }
        scaleFactor = bundle.getFloat(DecodeThread.BARCODE_SCALED_FACTOR);
      }
      activity.handleDecode((Result) message.obj, barcode, scaleFactor);

    } else if (message.what
        == R.id
            .zxing_decode_failed) { // We're decoding as fast as possible, so when one decode fails,
                                    // start another.
      state = State.PREVIEW;
      cameraManager.requestPreviewFrame(decodeThread.getHandler(), R.id.zxing_decode);

    } else if (message.what == R.id.zxing_return_scan_result) {
      activity.setResult(Activity.RESULT_OK, (Intent) message.obj);
      activity.finish();
    }
  }
示例#3
0
  /**
   * Decode the data within the viewfinder rectangle, and time how long it took. For efficiency,
   * reuse the same reader objects from one decode to the next.
   *
   * @param data The YUV preview frame.
   * @param width The width of the preview frame.
   * @param height The height of the preview frame.
   */
  private void decode(byte[] data, int width, int height) {
    long start = System.currentTimeMillis();
    Result rawResult = null;
    PlanarYUVLuminanceSource source = CameraManager.get().buildLuminanceSource(data, width, height);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    try {
      rawResult = multiFormatReader.decodeWithState(bitmap);
    } catch (ReaderException re) {
      // continue
    } finally {
      multiFormatReader.reset();
    }

    if (rawResult != null) {
      long end = System.currentTimeMillis();
      Log.d(TAG, "Found barcode (" + (end - start) + " ms):\n" + rawResult.toString());
      Message message = Message.obtain(activity.getHandler(), R.id.decode_succeeded, rawResult);
      Bundle bundle = new Bundle();
      bundle.putParcelable(DecodeThread.BARCODE_BITMAP, source.renderCroppedGreyscaleBitmap());
      message.setData(bundle);
      // Log.d(TAG, "Sending decode succeeded message...");
      message.sendToTarget();
    } else {
      Message message = Message.obtain(activity.getHandler(), R.id.decode_failed);
      message.sendToTarget();
    }
  }
  @Override
  public void handleMessage(Message message) {
    if (message.what == R.id.restart_preview) {
      restartPreviewAndDecode();
    } else if (message.what == R.id.decode_succeeded) {
      state = State.SUCCESS;
      Bundle bundle = message.getData();
      Bitmap barcode = null;
      float scaleFactor = 1.0f;
      if (bundle != null) {
        byte[] compressedBitmap = bundle.getByteArray(DecodeThread.BARCODE_BITMAP);
        if (compressedBitmap != null) {
          barcode =
              BitmapFactory.decodeByteArray(compressedBitmap, 0, compressedBitmap.length, null);
          // Mutable copy:
          barcode = barcode.copy(Bitmap.Config.ARGB_8888, true);
        }
        scaleFactor = bundle.getFloat(DecodeThread.BARCODE_SCALED_FACTOR);
      }
      activity.handleDecode((Result) message.obj, barcode, scaleFactor);
    } else if (message.what == R.id.decode_failed) {
      // We're decoding as fast as possible, so when one decode fails,
      // start another.
      state = State.PREVIEW;
      cameraManager.requestPreviewFrame(decodeThread.getHandler(), R.id.decode);
    } else if (message.what == R.id.return_scan_result) {
      activity.setResult(Activity.RESULT_OK, (Intent) message.obj);
      activity.finish();
    } else if (message.what == R.id.launch_product_query) {
      String url = (String) message.obj;

      Intent intent = new Intent(Intent.ACTION_VIEW);
      intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
      intent.setData(Uri.parse(url));

      ResolveInfo resolveInfo =
          activity.getPackageManager().resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
      String browserPackageName = null;
      if (resolveInfo != null && resolveInfo.activityInfo != null) {
        browserPackageName = resolveInfo.activityInfo.packageName;
        Log.d(TAG, "Using browser in package " + browserPackageName);
      }

      // Needed for default Android browser / Chrome only apparently
      if ("com.android.browser".equals(browserPackageName)
          || "com.android.chrome".equals(browserPackageName)) {
        intent.setPackage(browserPackageName);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.putExtra(Browser.EXTRA_APPLICATION_ID, browserPackageName);
      }

      try {
        activity.startActivity(intent);
      } catch (ActivityNotFoundException ignored) {
        Log.w(TAG, "Can't find anything to handle VIEW of URI " + url);
      }
    }
  }
 private void restartPreviewAndDecode() {
   if (state == State.SUCCESS) {
     state = State.PREVIEW;
     cameraManager.requestPreviewFrame(decodeThread.getHandler(), R.id.decode);
     activity.drawViewfinder();
   }
 }
示例#6
0
 @Override
 public void handleButtonPress(int index) {
   if (index == 0) {
     WifiParsedResult wifiResult = (WifiParsedResult) getResult();
     WifiManager wifiManager = (WifiManager) getActivity().getSystemService(Context.WIFI_SERVICE);
     if (wifiManager == null) {
       Log.w(TAG, "No WifiManager available from device");
       return;
     }
     final Activity activity = getActivity();
     activity.runOnUiThread(
         new Runnable() {
           @Override
           public void run() {
             Toast.makeText(
                     activity.getApplicationContext(),
                     R.string.wifi_changing_network,
                     Toast.LENGTH_SHORT)
                 .show();
           }
         });
     new WifiConfigManager(wifiManager)
         .executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, wifiResult);
     parent.restartPreviewAfterDelay(0L);
   }
 }
 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();
   }
 }
 @Override
 public void handleMessage(Message message) {
   if (message.what == fakeR.getId("id", "restart_preview")) {
     Log.d(TAG, "Got restart preview message");
     restartPreviewAndDecode();
   } else if (message.what == fakeR.getId("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);
   } else if (message.what == fakeR.getId("id", "decode_failed")) {
     // We're decoding as fast as possible, so when one decode fails, start another.
     state = State.PREVIEW;
     cameraManager.requestPreviewFrame(decodeThread.getHandler(), fakeR.getId("id", "decode"));
   } else if (message.what == fakeR.getId("id", "return_scan_result")) {
     Log.d(TAG, "Got return scan result message");
     activity.setResult(Activity.RESULT_OK, (Intent) message.obj);
     activity.finish();
   } else if (message.what == fakeR.getId("id", "launch_product_query")) {
     Log.d(TAG, "Got product query message");
     String url = (String) message.obj;
     Intent intent = new Intent(Intent.ACTION_VIEW);
     intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
     intent.setData(Uri.parse(url));
     ResolveInfo resolveInfo =
         activity.getPackageManager().resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
     String browserPackageName = null;
     if (resolveInfo.activityInfo != null) {
       browserPackageName = resolveInfo.activityInfo.packageName;
       Log.d(TAG, "Using browser in package " + browserPackageName);
     }
     // Needed for default Android browser only apparently
     if ("com.android.browser".equals(browserPackageName)) {
       intent.setPackage(browserPackageName);
       intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
       intent.putExtra(Browser.EXTRA_APPLICATION_ID, browserPackageName);
     }
     try {
       activity.startActivity(intent);
     } catch (ActivityNotFoundException anfe) {
       Log.w(TAG, "Can't find anything to handle VIEW of URI " + url);
     }
   }
 }
示例#9
0
  /**
   * Decode the data within the viewfinder rectangle, and time how long it took. For efficiency,
   * reuse the same reader objects from one decode to the next.
   *
   * @param data The YUV preview frame.
   * @param width The width of the preview frame.
   * @param height The height of the preview frame.
   */
  private void decode(byte[] data, int width, int height) {

    byte[] rotatedData = new byte[data.length];
    for (int y = 0; y < height; y++) {
      for (int x = 0; x < width; x++)
        rotatedData[x * height + height - y - 1] = data[x + y * width];
    }
    int tmp = width; // Here we are swapping, that's the difference to #11
    width = height;
    height = tmp;

    long start = System.currentTimeMillis();
    Result rawResult = null;
    PlanarYUVLuminanceSource source =
        activity.getCameraManager().buildLuminanceSource(rotatedData, width, height);
    if (source != null) {
      BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
      try {
        rawResult = multiFormatReader.decodeWithState(bitmap);
      } catch (ReaderException re) {
        // continue
      } finally {
        multiFormatReader.reset();
      }
    }

    Handler handler = activity.getHandler();
    if (rawResult != null) {
      // Don't log the barcode contents for security.
      long end = System.currentTimeMillis();
      Log.d(TAG, "Found barcode in " + (end - start) + " ms");
      if (handler != null) {
        Message message = Message.obtain(handler, R.id.decode_succeeded, rawResult);
        Bundle bundle = new Bundle();
        bundleThumbnail(source, bundle);
        message.setData(bundle);
        message.sendToTarget();
      }
    } else {
      if (handler != null) {
        Message message = Message.obtain(handler, R.id.decode_failed);
        message.sendToTarget();
      }
    }
  }
 @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;
   }
 }
  CaptureActivityHandler(
      CaptureActivity activity, Collection<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();
  }