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描述下，就是在调用takePicture()后，在他的回调方法中保存了相片，可是相片的质量很差，大小也只有200K，不清楚是哪里的问题。求指教

下面是代码。就贴主要的了

//设置相机和并自动对焦后拍照的方法

public void capture(View view){

Camera.Parameters parameters = myCamera.getParameters();

parameters.setPictureFormat(ImageFormat.JPEG);

parameters.setPictureSize(4208,3120);

parameters.setFlashMode(Camera.Parameters.FLASH_MODE_ON);

parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);

myCamera.autoFocus(new Camera.AutoFocusCallback() {

@Override

public void onAutoFocus(boolean success, Camera camera) {

if (success) {

camera.takePicture(shutter,null,mPic);

}

}

});

}

//拍照的回调

private Camera.PictureCallback mPic = new Camera.PictureCallback(){

@Override

public void onPictureTaken(byte[] data, Camera camera) {

File file = new File("/sdcard/temp.jpg");

try {

FileOutputStream fos = new FileOutputStream(file);

fos.write(data);

fos.close();

} catch (FileNotFoundException e) {

e.printStackTrace();

}catch (IOException e){

e.printStackTrace();

}

//返回到原Activity

Intent i = new Intent(MyCamera.this,MainActivity.class);

i.putExtra("file",file.getAbsolutePath());

setResult(2, i);

finish();

}

};