Android 动态检测开启 定位、读写权限

静态权限：

    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <!-- 文件读写权限  请检查手机应用是否被允许开启读写权限 -->
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_INTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_INTERNAL_STORAGE" />

1、定义读写权限数组

    /**读写权限 请求状态码*/
    private static String[] PERMISSIONS_STORAGE = {
            android.Manifest.permission.READ_EXTERNAL_STORAGE,
            android.Manifest.permission.WRITE_EXTERNAL_STORAGE};

2、动态加载权限方法

    /**
     * 开启定位、读写权限
     */
    private void openAccess() {
        //未开启定位权限
        if (ContextCompat.checkSelfPermission(MainActivity.this,
                Manifest.permission.ACCESS_FINE_LOCATION)!= PackageManager.PERMISSION_GRANTED) {
            //开启定位权限,200是标识码
            ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 200);
        } else {
            //已开启定位
            /*ToastUtil.showToastSuccess(mContext, "已开启定位权限 !");*/
        }
//        开启 读写权限
        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP) {
            if (ActivityCompat.checkSelfPermission(MainActivity.this,
                    Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
                ActivityCompat.requestPermissions(MainActivity.this, PERMISSIONS_STORAGE, 202);
            }else {
                //已开启 读写权限
                /*ToastUtil.showToastSuccess(mContext, "已开启读写权限 !");*/
            }
        }
    }

3、接收返回码，做出反应

   /**
     * @param requestCode   权限返回码
     * @param permissions
     * @param grantResults
     */
    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        switch (requestCode) {
            case 200:
                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                } else {
                    /*ToastUtil.showToastError(mContext, "未授予获取定位权限，应用退出 !");*/
                    ToastUtil.showToastError(mContext, "Obtain location permission is not granted, application exits!");
                    finish();
                }
                break;
            case 202:
                if (grantResults[0] == PackageManager.PERMISSION_GRANTED && grantResults[1] == PackageManager.PERMISSION_GRANTED) {
                } else {
                    /*ToastUtil.showToastError(mContext, "未授予读写权限，应用退出 !");*/
                    ToastUtil.showToastError(mContext, "No read/write permission granted, application exits !");
                    finish();
                }
                break;
            default:
                break;
        }
    }

结束； 

 

 

本文地址：https://blog.csdn.net/qq_38629981/article/details/108727237