类com.google.zxing.client.android.camera.open.OpenCameraInterface源码实例Demo

下面列出了怎么用com.google.zxing.client.android.camera.open.OpenCameraInterface的API类实例代码及写法,或者点击链接到github查看源代码。

源代码1 项目: ProjectX   文件: ZxingScanView.java
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();
}
 
源代码2 项目: flutter_qr_reader   文件: CameraManager.java
/**
 * 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);
}
 
源代码3 项目: ShareBox   文件: CameraManager.java
/**
 * 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);
}
 
源代码4 项目: ZXing-Standalone-library   文件: CameraManager.java
/**
 * 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);

}
 
源代码5 项目: ZXing-Orient   文件: CameraManager.java
/**
 * 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");
      }
    }
  }

}
 
/**
 * 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);

}
 
源代码7 项目: weex   文件: CameraManager.java
/**
 * 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);

}
 
源代码8 项目: Study_Android_Demo   文件: CameraManager.java
/**
 * 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);

}
 
源代码9 项目: barcodescanner-lib-aar   文件: CameraManager.java
/**
 * 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);
  }
}
 
源代码10 项目: ProjectX   文件: CameraManager.java
/**
 * 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);

}
 
源代码11 项目: ProjectX   文件: ZxingScanView.java
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());
}
 
源代码12 项目: moVirt   文件: CameraManager.java
/**
 * 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");
            }
        }
    }
}
 
源代码13 项目: zxingfragmentlib   文件: CameraManager.java
/**
 * 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");
      }
    }
  }

}
 
源代码14 项目: BarcodeEye   文件: CameraManager.java
/**
 * 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");
            }
        }
    }

}
 
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