动态权限 | 易学教程

//获取日立权限
public void fetchPermission(int requestCode) {
    int checkSelfPermission;
    try {
        checkSelfPermission = ActivityCompat.checkSelfPermission(getActivity(),Manifest.permission.WRITE_CALENDAR);
    } catch (RuntimeException e) {
        e.printStackTrace();
        return;
    }
    // 如果有授权，走正常插入日历逻辑
    if (checkSelfPermission == PackageManager.PERMISSION_GRANTED) {
        //insertCalendar(); // 该方法的实现在文章的后面
        return;
    } else {
        // 如果没有授权，就请求用户授权
        ActivityCompat.requestPermissions(getActivity(),new String[]{Manifest.permission.WRITE_CALENDAR,
                Manifest.permission.READ_CALENDAR}, requestCode);
    }
}

@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
                                       @NonNull int[] grantResults) {
    super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    if (requestCode == REQUEST_CALENDAR) {
        if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
            // 用户同意的授权请求
            //insertCalendar();
        } else {
            if (!ActivityCompat.shouldShowRequestPermissionRationale(getActivity(), Manifest.permission.WRITE_CALENDAR)) {
                // 如果用户不是点击了拒绝就跳转到系统设置页
                Intent intent =  new Intent(Settings.ACTION_DATA_ROAMING_SETTINGS);
                startActivity(intent);
            }
        }
    }
}

来源：https://blog.csdn.net/weixin_42416789/article/details/99675563

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