6.0运行权限

来源：互联网发布：橙光游戏制作工具mac 编辑：程序博客网时间：2024/06/04 19:19

6.0以后的权限主要针对于一些危险权限。

不多解释，直接上代码。

package com.xujiajian.unarygetgold.module;

import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Build;
import android.support.v4.app.Fragment;
import android.support.v4.content.ContextCompat;

import java.util.ArrayList;
import java.util.List;

/**
* Created by 徐嘉健
* on 2017/2/14 14:03.
* 6.0运行时权限
*/

public class PermissionModule {

    private static int mRequestCode = -1;

    private static OnPermissionListener mOnPermissionListener;

    public interface OnPermissionListener {

        void onPermissionGranted();

        void onPermissionDenied();
    }

    @TargetApi(Build.VERSION_CODES.M)
    public static void requestPermissions(Context context, int requestCode
            , String[] permissions, OnPermissionListener listener) {
        if (context instanceof Activity) {
            mOnPermissionListener = listener;
            List<String> deniedPermissions = getDeniedPermissions(context, permissions);
            if (deniedPermissions.size() > 0) {
                mRequestCode = requestCode;
                ((Activity) context).requestPermissions(deniedPermissions
                        .toArray(new String[deniedPermissions.size()]), requestCode);

            } else {
                if (mOnPermissionListener != null)
                    mOnPermissionListener.onPermissionGranted();
            }
        } else {
            throw new RuntimeException("Context must be an Activity");
        }
    }

    /**
     * 获取请求权限中需要授权的权限
     */
    private static List<String> getDeniedPermissions(Context context, String... permissions) {
        List<String> deniedPermissions = new ArrayList<>();
        for (String permission : permissions) {
            if (ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_DENIED) {
                deniedPermissions.add(permission);
            }
        }
        return deniedPermissions;
    }

    /**
     * 请求权限结果，对应Activity中onRequestPermissionsResult()方法。
     */
    public static void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        if (mRequestCode != -1 && requestCode == mRequestCode) {
            if (mOnPermissionListener != null) {
                if (verifyPermissions(grantResults)) {
                    mOnPermissionListener.onPermissionGranted();
                } else {
                    mOnPermissionListener.onPermissionDenied();
                }
            }
        }
    }

    /**
     * 验证所有权限是否都已经授权
     */
    private static boolean verifyPermissions(int[] grantResults) {
        for (int grantResult : grantResults) {
            if (grantResult != PackageManager.PERMISSION_GRANTED) {
                return false;
            }
        }
        return true;
    }

}

//使用
//      PermissionModule.requestPermissions(this,100,new String[]{Manifest.permission.CALL_PHONE},new PermissionModule.OnPermissionListener(){
//      @Override
//      public void onPermissionGranted(){
//        Toast.makeText(MainActivity.this,"OK",Toast.LENGTH_SHORT).show();
//        //权限被同意，执行相应的逻辑
//        }
//
//         @Override
//         public void onPermissionDenied(){
//                  Toast.makeText(MainActivity.this,"拒绝了",Toast.LENGTH_SHORT).show();
//        }
//        });

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