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照相機回調管理類： 供自己參考
public class CameraSelectManager {
private static final String CAMERA_TEMP_NAME = “cameratemp.jpeg” ;
public static final String CMAERA_FILE_BASEPATH = MainActivity.this.getExternalCacheDir()+File.separator+”hexin”
+File.separator;

private static CameraSelectManager mInstance ;

private OnSelectCameraCallBack mImageCallBack ;

private CameraSelectManager(){}

private static CameraSelectManager getInstance(){
if(mInstace == null){
mInstance = new CameraSelectManager();
}
return mInstance;
}

public void requestSystemCameraSelect(Activity context){
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
intent.addCategory(Intent.CATEGORY_DEFAULT);
File imageFile = new File(CAMERA_FILE_BASEPATH+CAMERA_TEMP_NAME);
if(imageFile.exists()){
imageFile.delete();
}
try{
imageFile.createNewFile();
}catch(IOException e){
e.printStackTrace();
}
Uri uri = Uri.fromFile(imageFile);
intent.putExtra(MediaStore.EXTRA_OUTPUT,uri);
context.startActivityForResult(intent,101);// 啓動照相機，並傳入識別的code
}

public void setOnSelectCameraCallBack(){
   mImageCallBack = callBack ;
};

public void notifyImageReceivedSuccess(){
  if(mImageCallBack != nul){
      mImageBack.onNotifyCameraReceivedSuccess(CAMERA_FILE_BASEPATH+CAMERA_TEMP_NAME); 
  }
};

public void notifyImageReceivedFail(){
  if(mImageCallBack != null){
    mImageCallBack.onNotifyCameraReceivedFail();
   }  
}

// 通知接口
public interface OnSelectImageCameraCallBack(){
    public void onNotifyCameraReceivedSuccess(String imageName);
    public void onNotifyCameraReceivedFail();

}

}