二維碼掃描，Android Zxing圖片拉伸解決。

Zxing是google提供的二維碼掃描工程

默認是橫屏的  轉換成豎屏后圖片出現拉伸 

這里提供解決辦法: 

Zxing 修改 CameraConfigurationManager.Java文件的void initFromCameraParameters(Camera camera)方法

在Log.d(TAG, "Screen resolution: " + screenResolution);這句之后增加  

Point screenResolutionForCamera = new Point(); screenResolutionForCamera.x = screenResolution.x; screenResolutionForCamera.y = screenResolution.y; // preview size is always something like 480*320, other 320*480 if (screenResolution.x < screenResolution.y) { screenResolutionForCamera.x = screenResolution.y; screenResolutionForCamera.y = screenResolution.x; }

在把其后的
cameraResolution = getCameraResolution(parameters, screenResolution);  
中的screenResolution改為screenResolutionForCamera
如下:
cameraResolution = getCameraResolution(parameters, screenResolutionForCamera);  

資源下載地址：Android Zxing

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