Android判断是否有拍照权限的实例代码

public boolean cameraIsCanUse() {  boolean isCanUse = true;  Camera mCamera = null;  try {    mCamera = Camera.open();    Camera.Parameters mParameters = mCamera.getParameters(); //针对魅族手机    mCamera.setParameters(mParameters);  } catch (Exception e) {    isCanUse = false;  }  if (mCamera != null) {    try {      mCamera.release();    } catch (Exception e) {      e.printStackTrace();      return isCanUse;    }  }  return isCanUse;}