Android 调用checkSelfPermission,不管用户是否取消授权,checkSelfPermission的返回值始终为PERMISSION_GRANTED的解决办法
AndroidM运行targetSdkVersion=Build.VERSION_CODES.M){if(targetSdkVersion>=Build.VERSION_CODES.M){//targetSdkVersion>=AndroidM,wecan//useContext#checkSelfPermissionresult=context.checkSelfPermission(permi