Android sdk 26以上权限申请

最新推荐文章于 2025-05-30 09:18:16 发布

Lixby

最新推荐文章于 2025-05-30 09:18:16 发布

阅读量2.6k

点赞数 1

CC 4.0 BY-SA版权

分类专栏： Android UI Android Java

本文链接：https://blog.youkuaiyun.com/lxb00321/article/details/80135455

Android Java 同时被 2 个专栏收录

19 篇文章

订阅专栏

Android UI

4 篇文章

订阅专栏

本文介绍了一个用于Android应用中处理权限请求的辅助类PermissionHelper。该类适用于Android SDK版本大于26的情况，通过检查当前应用所需的权限（如摄像头权限），并在必要时请求用户授权。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

package com.sky.qcloud.tools;

import android.Manifest;
import android.app.Activity;
import android.content.pm.PackageManager;
import android.os.Build;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import java.util.ArrayList;

/**
 * Description: This class forPermission application when the SDK version is greater than 26
 * Author: Created by lixby on 18-4-28.
 */

public class PermissionHelper {

    private static final int MY_PERMISSIONS_REQUEST_CODE=10;
    private String[] permissions=new String[]{Manifest.permission.CAMERA};
    private ArrayList<String> pms=new ArrayList<>();

    private static PermissionHelper permissionHelper;

    public static PermissionHelper instance(){
        if(permissionHelper==null){
            permissionHelper=new PermissionHelper();
        }
        return permissionHelper;
    }

    public void checkPermissions(Activity cext){
        if(Build.VERSION.SDK_INT<Build.VERSION_CODES.M){
            return;
        }
        pms.clear();
        for (int i=0;i<permissions.length;i++){
            if(ContextCompat.checkSelfPermission(cext,permissions[i])!= PackageManager.PERMISSION_GRANTED){
                pms.add(permissions[i]);
            }
        }

        if(pms.size()>0){
            String[] ps=pms.toArray(new String[pms.size()]);
            ActivityCompat.requestPermissions(cext,ps,MY_PERMISSIONS_REQUEST_CODE);
        }

    }

    public void onRequestPermissionsResult(Activity cext,int requestCode, String[] permissions, int[] grantResults) {
        if (requestCode == MY_PERMISSIONS_REQUEST_CODE){
            for (int i = 0; i < grantResults.length; i++) {
                if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
                    //判断是否勾选禁止后不再询问
                    boolean showRequestPermission = ActivityCompat.shouldShowRequestPermissionRationale(cext, permissions[i]);
                }
            }
        }
    }




}