Android listens to mobile phone text messages - detection permissions

    /**
     * 权限的验证及处理，相关方法
     */
    private void getReadPermissions() {
        Log.i("日志：权限", "检测权限 ");
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_SMS) != PackageManager.PERMISSION_GRANTED
                    | ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
                if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.RECEIVE_SMS) | ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {//是否请求过该权限
                    ActivityCompat.requestPermissions(this,
                            new String[]{Manifest.permission.RECEIVE_SMS,
                                    Manifest.permission.READ_SMS,
                                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
                                    Manifest.permission.READ_EXTERNAL_STORAGE}, 10001);
                } else {//没有则请求获取权限，示例权限是：存储权限和短信权限，需要其他权限请更改或者替换
                    ActivityCompat.requestPermissions(this,
                            new String[]{Manifest.permission.RECEIVE_SMS,
                                    Manifest.permission.READ_SMS,
                                    Manifest.permission.READ_EXTERNAL_STORAGE,
                                    Manifest.permission.WRITE_EXTERNAL_STORAGE}, 10001);
                }
            } else {//如果已经获取到了权限则直接进行下一步操作
            
                 //启动SmsService

                intentService = new Intent(this, SmsService.class);
                startService(intentService);
               Log.i("日志：开启服务", "启动SmsService: ");


            }
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        switch (requestCode) {
            case 10001:
                for (int i = 0; i < grantResults.length; i++) {
//                   如果拒绝获取权限
                    if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
                        //判断是否勾选禁止后不再询问
                        boolean flag = ActivityCompat.shouldShowRequestPermissionRationale(this, permissions[i]);
                        if (flag) {
                            getReadPermissions();
                            return;//用户权限是一个一个的请求的，只要有拒绝，剩下的请求就可以停止，再次请求打开权限了
                        } else { // 勾选不再询问，并拒绝
                            Toast.makeText(this, "请到设置中打开权限", Toast.LENGTH_LONG).show();
                            return;
                        }
                    }
                }
                break;
            default:
                break;
        }
    }