com.google.zxing.client.android.camera.open.OpenCameraInterface Java Examples

The following examples show how to use com.google.zxing.client.android.camera.open.OpenCameraInterface. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: ZxingScanView.java    From ProjectX with Apache License 2.0 5 votes vote down vote up 
private void openDriver(SurfaceHolder surfaceHolder) {
    notifyListenerPrepareOpen();
    if (surfaceHolder == null)
        return;// 已经销毁
    if (isOpen())
        return;// 摄像头已经打开
    if (Compat.checkSelfPermission(getContext(), Manifest.permission.CAMERA)
            == PackageManager.PERMISSION_DENIED) {
        mErrorCode = ERROR_CODE_1;
        notifyListenerError();
        return;
    }
    mCameraManager = new CameraManager(getContext());
    if (mCameraId != OpenCameraInterface.NO_REQUESTED_CAMERA)
        mCameraManager.setManualCameraId(mCameraId);
    final int width = mScanWidth == ViewGroup.LayoutParams.MATCH_PARENT ? getWidth() :
            (mScanWidth > getWidth() ? getWidth() : mScanWidth);
    final int height = mScanHeight == ViewGroup.LayoutParams.MATCH_PARENT ? getHeight() :
            (mScanHeight > getHeight() ? getHeight() : mScanHeight);
    mCameraManager.setManualFramingRect(width, height);
    try {
        mCameraManager.openDriver(surfaceHolder);
        mCameraManager.startPreview();
        mScanHandler = new ScanHandler(resultListener, mBarcodeType, mBaseHints,
                mCharacterSet, mCameraManager,
                resultPointCallback);
    } catch (Exception e) {
        mErrorCode = ERROR_CODE_0;
        notifyListenerError();
        return;
    }
    mAmbientLightManager.resume();
    notifyListenerOpened();
}
Example #2
Source File: CameraManager.java    From flutter_qr_reader with MIT License 4 votes vote down vote up 
/**
 * Opens the google.zxing.client.android.android.com.google.zxing.client.android.camera driver and initializes the hardware parameters.
 *
 * @param holder The surface object which the google.zxing.client.android.android.com.google.zxing.client.android.camera will draw preview frames into.
 * @param height @throws IOException Indicates the google.zxing.client.android.android.com.google.zxing.client.android.camera driver failed to open.
 */
public synchronized void openDriver(SurfaceHolder holder, int width, int height)
    throws IOException {
  OpenCamera theCamera = openCamera;
  if (!isOpen()) {
    theCamera = OpenCameraInterface.open(requestedCameraId);
    if (theCamera == null || theCamera.getCamera() == null) {
      throw new IOException("Camera.open() failed to return object from driver");
    }
    openCamera = theCamera;
  }
  theCamera.getCamera().setPreviewDisplay(holder);
  theCamera.getCamera().setPreviewCallback(previewCallback);
  theCamera.getCamera().setDisplayOrientation(displayOrientation);

  if (!initialized) {
    initialized = true;
    configManager.initFromCameraParameters(theCamera, width, height);
  }

  Camera cameraObject = theCamera.getCamera();
  Camera.Parameters parameters = cameraObject.getParameters();
  String parametersFlattened =
      parameters == null ? null : parameters.flatten(); // Save these, temporarily
  try {
    configManager.setDesiredCameraParameters(theCamera, false);
  } catch (RuntimeException re) {
    // Driver failed
    SimpleLog.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
    SimpleLog.i(TAG, "Resetting to saved google.zxing.client.android.android.com.google.zxing.client.android.camera params: " + parametersFlattened);
    // Reset:
    if (parametersFlattened != null) {
      parameters = cameraObject.getParameters();
      parameters.unflatten(parametersFlattened);
      try {
        cameraObject.setParameters(parameters);
        configManager.setDesiredCameraParameters(theCamera, true);
      } catch (RuntimeException re2) {
        // Well, darn. Give up
        SimpleLog.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
      }
    }
  }
  cameraObject.setPreviewDisplay(holder);
}
Example #3
Source File: CameraManager.java    From ShareBox with Apache License 2.0 4 votes vote down vote up 
/**
 * Opens the camera driver and initializes the hardware parameters.
 *
 * @param holder The surface object which the camera will draw preview frames into.
 * @param height @throws IOException Indicates the camera driver failed to open.
 */
public synchronized void openDriver(SurfaceHolder holder, int width, int height)
        throws IOException {
    OpenCamera theCamera = openCamera;
    if (!isOpen()) {
        theCamera = OpenCameraInterface.open(requestedCameraId);
        if (theCamera == null || theCamera.getCamera() == null) {
            throw new IOException("Camera.open() failed to return object from driver");
        }
        openCamera = theCamera;
    }
    theCamera.getCamera().setPreviewDisplay(holder);
    theCamera.getCamera().setPreviewCallback(previewCallback);
    theCamera.getCamera().setDisplayOrientation(displayOrientation);

    if (!initialized) {
        initialized = true;
        configManager.initFromCameraParameters(theCamera, width, height);
    }

    Camera cameraObject = theCamera.getCamera();
    Camera.Parameters parameters = cameraObject.getParameters();
    String parametersFlattened =
            parameters == null ? null : parameters.flatten(); // Save these, temporarily
    try {
        configManager.setDesiredCameraParameters(theCamera, false);
    } catch (RuntimeException re) {
        // Driver failed
        Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
        Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened);
        // Reset:
        if (parametersFlattened != null) {
            parameters = cameraObject.getParameters();
            parameters.unflatten(parametersFlattened);
            try {
                cameraObject.setParameters(parameters);
                configManager.setDesiredCameraParameters(theCamera, true);
            } catch (RuntimeException re2) {
                // Well, darn. Give up
                Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
            }
        }
    }
    cameraObject.setPreviewDisplay(holder);
}
Example #4
Source File: CameraManager.java    From ZXing-Standalone-library with Apache License 2.0 4 votes vote down vote up 
/**
 * Opens the camera driver and initializes the hardware parameters.
 *
 * @param holder The surface object which the camera will draw preview frames into.
 * @throws IOException Indicates the camera driver failed to open.
 */
public synchronized void openDriver(SurfaceHolder holder) throws IOException {
  OpenCamera theCamera = camera;
  if (theCamera == null) {
    theCamera = OpenCameraInterface.open(requestedCameraId);
    if (theCamera == null) {
      throw new IOException("Camera.open() failed to return object from driver");
    }
    camera = theCamera;
  }

  if (!initialized) {
    initialized = true;
    configManager.initFromCameraParameters(theCamera);
    if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) {
      setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight);
      requestedFramingRectWidth = 0;
      requestedFramingRectHeight = 0;
    }
  }

  Camera cameraObject = theCamera.getCamera();
  Camera.Parameters parameters = cameraObject.getParameters();
  String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily
  try {
    configManager.setDesiredCameraParameters(theCamera, false);
  } catch (RuntimeException re) {
    // Driver failed
    Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
    Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened);
    // Reset:
    if (parametersFlattened != null) {
      parameters = cameraObject.getParameters();
      parameters.unflatten(parametersFlattened);
      try {
        cameraObject.setParameters(parameters);
        configManager.setDesiredCameraParameters(theCamera, true);
      } catch (RuntimeException re2) {
        // Well, darn. Give up
        Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
      }
    }
  }
  cameraObject.setPreviewDisplay(holder);

}
Example #5
Source File: CameraManager.java    From ZXing-Orient with Apache License 2.0 4 votes vote down vote up 
/**
 * Opens the camera driver and initializes the hardware parameters.
 *
 * @param holder The surface object which the camera will draw preview frames into.
 * @throws IOException Indicates the camera driver failed to open.
 */
public synchronized void openDriver(SurfaceHolder holder) throws IOException {
  Camera theCamera = camera;
  if (theCamera == null) {
 
    if (requestedCameraId >= 0) {
      theCamera = OpenCameraInterface.open(requestedCameraId);
    } else {
      theCamera = OpenCameraInterface.open();
    }
    
    if (theCamera == null) {
      throw new IOException();
    }
    camera = theCamera;
  }
  theCamera.setPreviewDisplay(holder);

  if (!initialized) {
    initialized = true;
    configManager.initFromCameraParameters(theCamera);
    if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) {
      setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight);
      requestedFramingRectWidth = 0;
      requestedFramingRectHeight = 0;
    }
  }

  Camera.Parameters parameters = theCamera.getParameters();
  String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily
  try {
    configManager.setDesiredCameraParameters(theCamera, false);
  } catch (RuntimeException re) {
    // Driver failed
    Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
    Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened);
    // Reset:
    if (parametersFlattened != null) {
      parameters = theCamera.getParameters();
      parameters.unflatten(parametersFlattened);
      try {
        theCamera.setParameters(parameters);
        configManager.setDesiredCameraParameters(theCamera, true);
      } catch (RuntimeException re2) {
        // Well, darn. Give up
        Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
      }
    }
  }

}
Example #6
Source File: CameraManager.java    From analyzer-of-android-for-Apache-Weex with Apache License 2.0 4 votes vote down vote up 
/**
 * Opens the camera driver and initializes the hardware parameters.
 *
 * @param holder The surface object which the camera will draw preview frames into.
 * @throws IOException Indicates the camera driver failed to open.
 */
public synchronized void openDriver(SurfaceHolder holder) throws IOException {
  OpenCamera theCamera = camera;
  if (theCamera == null) {
    theCamera = OpenCameraInterface.open(requestedCameraId);
    if (theCamera == null) {
      throw new IOException("Camera.open() failed to return object from driver");
    }
    camera = theCamera;
  }

  if (!initialized) {
    initialized = true;
    configManager.initFromCameraParameters(theCamera);
    if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) {
      setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight);
      requestedFramingRectWidth = 0;
      requestedFramingRectHeight = 0;
    }
  }

  Camera cameraObject = theCamera.getCamera();
  Camera.Parameters parameters = cameraObject.getParameters();
  String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily
  try {
    configManager.setDesiredCameraParameters(theCamera, false);
  } catch (RuntimeException re) {
    // Driver failed
    Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
    Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened);
    // Reset:
    if (parametersFlattened != null) {
      parameters = cameraObject.getParameters();
      parameters.unflatten(parametersFlattened);
      try {
        cameraObject.setParameters(parameters);
        configManager.setDesiredCameraParameters(theCamera, true);
      } catch (RuntimeException re2) {
        // Well, darn. Give up
        Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
      }
    }
  }
  cameraObject.setPreviewDisplay(holder);

}
Example #7
Source File: CameraManager.java    From weex with Apache License 2.0 4 votes vote down vote up 
/**
 * Opens the camera driver and initializes the hardware parameters.
 *
 * @param holder The surface object which the camera will draw preview frames into.
 * @throws IOException Indicates the camera driver failed to open.
 */
public synchronized void openDriver(SurfaceHolder holder) throws IOException {
  OpenCamera theCamera = camera;
  if (theCamera == null) {
    theCamera = OpenCameraInterface.open(requestedCameraId);
    if (theCamera == null) {
      throw new IOException("Camera.open() failed to return object from driver");
    }
    camera = theCamera;
  }

  if (!initialized) {
    initialized = true;
    configManager.initFromCameraParameters(theCamera);
    if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) {
      setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight);
      requestedFramingRectWidth = 0;
      requestedFramingRectHeight = 0;
    }
  }

  Camera cameraObject = theCamera.getCamera();
  Camera.Parameters parameters = cameraObject.getParameters();
  String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily
  try {
    configManager.setDesiredCameraParameters(theCamera, false);
  } catch (RuntimeException re) {
    // Driver failed
    Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
    Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened);
    // Reset:
    if (parametersFlattened != null) {
      parameters = cameraObject.getParameters();
      parameters.unflatten(parametersFlattened);
      try {
        cameraObject.setParameters(parameters);
        configManager.setDesiredCameraParameters(theCamera, true);
      } catch (RuntimeException re2) {
        // Well, darn. Give up
        Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
      }
    }
  }
  cameraObject.setPreviewDisplay(holder);

}
Example #8
Source File: CameraManager.java    From Study_Android_Demo with Apache License 2.0 4 votes vote down vote up 
/**
 * Opens the camera driver and initializes the hardware parameters.
 *
 * @param holder The surface object which the camera will draw preview frames into.
 * @throws IOException Indicates the camera driver failed to open.
 */
public synchronized void openDriver(SurfaceHolder holder) throws IOException {
  OpenCamera theCamera = camera;
  if (theCamera == null) {
    theCamera = OpenCameraInterface.open(requestedCameraId);
    if (theCamera == null) {
      throw new IOException("Camera.open() failed to return object from driver");
    }
    camera = theCamera;
  }

  if (!initialized) {
    initialized = true;
    configManager.initFromCameraParameters(theCamera);
    if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) {
      setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight);
      requestedFramingRectWidth = 0;
      requestedFramingRectHeight = 0;
    }
  }

  Camera cameraObject = theCamera.getCamera();
  Camera.Parameters parameters = cameraObject.getParameters();
  String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily
  try {
    configManager.setDesiredCameraParameters(theCamera, false);
  } catch (RuntimeException re) {
    // Driver failed
    Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
    Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened);
    // Reset:
    if (parametersFlattened != null) {
      parameters = cameraObject.getParameters();
      parameters.unflatten(parametersFlattened);
      try {
        cameraObject.setParameters(parameters);
        configManager.setDesiredCameraParameters(theCamera, true);
      } catch (RuntimeException re2) {
        // Well, darn. Give up
        Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
      }
    }
  }
  cameraObject.setPreviewDisplay(holder);

}
Example #9
Source File: CameraManager.java    From barcodescanner-lib-aar with MIT License 4 votes vote down vote up 
/**
 * Opens the camera driver and initializes the hardware parameters.
 *
 * @param holder The surface object which the camera will draw preview frames into.
 * @throws IOException Indicates the camera driver failed to open.
 */
public synchronized void openDriver(SurfaceHolder holder) throws IOException {
  OpenCamera theCamera = camera;
  if (theCamera == null) {
    theCamera = OpenCameraInterface.open(requestedCameraId);
    if (theCamera == null) {
      throw new IOException("Camera.open() failed to return object from driver");
    }
    camera = theCamera;
  }

  if (!initialized) {
    initialized = true;
    configManager.initFromCameraParameters(theCamera);
    if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) {
      setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight);
      requestedFramingRectWidth = 0;
      requestedFramingRectHeight = 0;
    }
  }

  Camera cameraObject = theCamera.getCamera();
  Camera.Parameters parameters = cameraObject.getParameters();
  String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily
  try {
    configManager.setDesiredCameraParameters(theCamera, false);
  } catch (RuntimeException re) {
    // Driver failed
    Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
    Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened);
    // Reset:
    if (parametersFlattened != null) {
      parameters = cameraObject.getParameters();
      parameters.unflatten(parametersFlattened);
      try {
        cameraObject.setParameters(parameters);
        configManager.setDesiredCameraParameters(theCamera, true);
      } catch (RuntimeException re2) {
        // Well, darn. Give up
        Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
      }
    }
  }
  cameraObject.setPreviewDisplay(holder);

  if (torchInitiallyOn) {
    setTorch(true);
  }
}
Example #10
Source File: CameraManager.java    From ProjectX with Apache License 2.0 4 votes vote down vote up 
/**
 * Opens the camera driver and initializes the hardware parameters.
 *
 * @param holder The surface object which the camera will draw preview frames into.
 * @throws IOException Indicates the camera driver failed to open.
 */
public synchronized void openDriver(SurfaceHolder holder) throws IOException {
    OpenCamera theCamera = camera;
    if (theCamera == null) {
        theCamera = OpenCameraInterface.open(requestedCameraId);
        if (theCamera == null) {
            throw new IOException("Camera.open() failed to return object from driver");
        }
        camera = theCamera;
    }

    if (!initialized) {
        initialized = true;
        configManager.initFromCameraParameters(theCamera);
        if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) {
            setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight);
            requestedFramingRectWidth = 0;
            requestedFramingRectHeight = 0;
        }
    }

    Camera cameraObject = theCamera.getCamera();
    Camera.Parameters parameters = cameraObject.getParameters();
    String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily
    try {
        configManager.setDesiredCameraParameters(theCamera, false);
    } catch (RuntimeException re) {
        // Driver failed
        Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
        Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened);
        // Reset:
        if (parametersFlattened != null) {
            parameters = cameraObject.getParameters();
            parameters.unflatten(parametersFlattened);
            try {
                cameraObject.setParameters(parameters);
                configManager.setDesiredCameraParameters(theCamera, true);
            } catch (RuntimeException re2) {
                // Well, darn. Give up
                Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
            }
        }
    }
    cameraObject.setPreviewDisplay(holder);

}
Example #11
Source File: ZxingScanView.java    From ProjectX with Apache License 2.0 4 votes vote down vote up 
private void initView(AttributeSet attrs) {
    int mode = AmbientLightManager.MODE_AUTO;
    int feedback = ScanFeedbackManager.MODE_AUTO;
    String fileName;
    int rawId = NO_ID;
    int scanWidth = ViewGroup.LayoutParams.MATCH_PARENT;
    int scanHeight = ViewGroup.LayoutParams.MATCH_PARENT;
    int cameraId = OpenCameraInterface.NO_REQUESTED_CAMERA;
    int milliseconds = ScanFeedbackManager.DEFAUT_MILLISECONDS;
    int barcodeType = BarcodeType.DEFAULT;
    String characterSet;
    TypedArray custom = getContext().obtainStyledAttributes(attrs, R.styleable.ZxingScanView);
    mode = custom.getInt(R.styleable.ZxingScanView_zsvAmbientLight, mode);
    feedback = custom.getInt(R.styleable.ZxingScanView_zsvFeedback, feedback);
    fileName = custom.getString(R.styleable.ZxingScanView_zsvAudioAssetsFileName);
    rawId = custom.getResourceId(R.styleable.ZxingScanView_zsvAudioRaw, rawId);
    milliseconds = custom.getInteger(R.styleable.ZxingScanView_zsvVibrateMilliseconds,
            milliseconds);
    scanWidth = custom.getLayoutDimension(R.styleable.ZxingScanView_zsvScanWidth, scanWidth);
    scanHeight = custom.getLayoutDimension(R.styleable.ZxingScanView_zsvScanHeight, scanHeight);
    cameraId = custom.getInteger(R.styleable.ZxingScanView_zsvCameraId, cameraId);
    barcodeType = custom.getInt(R.styleable.ZxingScanView_zsvBarcode, barcodeType);
    characterSet = custom.getString(R.styleable.ZxingScanView_zsvCharacterSet);
    custom.recycle();
    setScanWidth(scanWidth);
    setScanHeight(scanHeight);
    setCameraId(cameraId);
    setScanBarcodeType(barcodeType);
    setScanCharacterSet(characterSet);
    setFocusable(true);
    setFocusableInTouchMode(true);
    setKeepScreenOn(true);
    if (isInEditMode())
        return;
    mAmbientLightManager = new AmbientLightManager(getContext(),
            new AmbientLightCallBack(), mode);
    mScanFeedbackManager = new ScanFeedbackManager(getContext());
    setFeedbackMode(feedback);
    setFeedbackAudioAssetsFileName(fileName);
    setFeedbackAudioRawId(rawId);
    setFeedbackVibrateMilliseconds(milliseconds);
    getHolder().addCallback(new CameraCallBack());
}
Example #12
Source File: CameraManager.java    From moVirt with Apache License 2.0 4 votes vote down vote up 
/**
 * Opens the camera driver and initializes the hardware parameters.
 *
 * @param holder The surface object which the camera will draw preview frames into.
 * @throws IOException Indicates the camera driver failed to open.
 */
public synchronized void openDriver(SurfaceHolder holder) throws IOException {
    Camera theCamera = camera;
    if (theCamera == null) {

        theCamera = OpenCameraInterface.open(requestedCameraId);
        if (theCamera == null) {
            throw new IOException();
        }
        camera = theCamera;
    }
    theCamera.setPreviewDisplay(holder);

    if (!initialized) {
        initialized = true;
        configManager.initFromCameraParameters(theCamera);
        if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) {
            setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight);
            requestedFramingRectWidth = 0;
            requestedFramingRectHeight = 0;
        }
    }

    Camera.Parameters parameters = theCamera.getParameters();
    String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily
    try {
        configManager.setDesiredCameraParameters(theCamera, false);
    } catch (RuntimeException re) {
        // Driver failed
        Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
        Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened);
        // Reset:
        if (parametersFlattened != null) {
            parameters = theCamera.getParameters();
            parameters.unflatten(parametersFlattened);
            try {
                theCamera.setParameters(parameters);
                configManager.setDesiredCameraParameters(theCamera, true);
            } catch (RuntimeException re2) {
                // Well, darn. Give up
                Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
            }
        }
    }
}
Example #13
Source File: CameraManager.java    From zxingfragmentlib with Apache License 2.0 4 votes vote down vote up 
/**
 * Opens the camera driver and initializes the hardware parameters.
 *
 * @param holder The surface object which the camera will draw preview frames into.
 * @throws IOException Indicates the camera driver failed to open.
 */
public synchronized void openDriver(SurfaceHolder holder) throws IOException {
  Camera theCamera = camera;
  if (theCamera == null) {

    if (requestedCameraId >= 0) {
      theCamera = OpenCameraInterface.open(requestedCameraId);
    } else {
      theCamera = OpenCameraInterface.open();
    }
    
    if (theCamera == null) {
      throw new IOException();
    }
    camera = theCamera;
  }
  theCamera.setPreviewDisplay(holder);

  if (!initialized) {
    initialized = true;
    configManager.initFromCameraParameters(theCamera);
    if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) {
      setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight);
      requestedFramingRectWidth = 0;
      requestedFramingRectHeight = 0;
    }
  }

  Camera.Parameters parameters = theCamera.getParameters();
  String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily
  try {
    configManager.setDesiredCameraParameters(theCamera, false);
  } catch (RuntimeException re) {
    // Driver failed
    Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters");
    Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened);
    // Reset:
    if (parametersFlattened != null) {
      parameters = theCamera.getParameters();
      parameters.unflatten(parametersFlattened);
      try {
        theCamera.setParameters(parameters);
        configManager.setDesiredCameraParameters(theCamera, true);
      } catch (RuntimeException re2) {
        // Well, darn. Give up
        Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration");
      }
    }
  }

}
Example #14
Source File: CameraManager.java    From BarcodeEye with Apache License 2.0 4 votes vote down vote up 
/**
 * Opens the camera driver and initializes the hardware parameters.
 *
 * @param holder
 *            The surface object which the camera will draw preview frames
 *            into.
 * @throws IOException
 *             Indicates the camera driver failed to open.
 * @throws InterruptedException
 */
public synchronized void openDriver(SurfaceHolder holder)
        throws IOException, InterruptedException {
    Camera theCamera = camera;
    if (theCamera == null) {
        theCamera = OpenCameraInterface.open();
        if (theCamera == null) {
            throw new IOException();
        }
        camera = theCamera;
    }
    theCamera.setPreviewDisplay(holder);

    if (!initialized) {
        initialized = true;
        configManager.initFromCameraParameters(theCamera);
        if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) {
            setManualFramingRect(requestedFramingRectWidth,
                    requestedFramingRectHeight);
            requestedFramingRectWidth = 0;
            requestedFramingRectHeight = 0;
        }
    }

    Camera.Parameters parameters = theCamera.getParameters();
    String parametersFlattened = parameters == null ? null : parameters
            .flatten(); // Save these, temporarily
    try {
        configManager.setDesiredCameraParameters(theCamera, false);
    } catch (RuntimeException re) {
        // Driver failed
        Log.w(TAG,
                "Camera rejected parameters. Setting only minimal safe-mode parameters");
        Log.i(TAG, "Resetting to saved camera params: "
                + parametersFlattened);
        // Reset:
        if (parametersFlattened != null) {
            parameters = theCamera.getParameters();
            parameters.unflatten(parametersFlattened);
            try {
                theCamera.setParameters(parameters);
                configManager.setDesiredCameraParameters(theCamera, true);
            } catch (RuntimeException re2) {
                // Well, darn. Give up
                Log.w(TAG,
                        "Camera rejected even safe-mode parameters! No configuration");
            }
        }
    }

}