Android6.0获取权限

 1 package com.example.permissionadmin;
 2 
 3 import android.Manifest;
 4 import android.app.Activity;
 5 import android.content.Intent;
 6 import android.content.pm.PackageManager;
 7 import android.net.Uri;
 8 import android.os.Bundle;
 9 import android.support.v4.app.ActivityCompat;
10 import android.support.v4.content.ContextCompat;
11 import android.view.View;
12 import android.view.View.OnClickListener;
13 import android.widget.Button;
14 
15 public class MainActivity extends Activity implements OnClickListener{
16     
17     private Button callPhone;
18     
19     @Override
20     protected void onCreate(Bundle savedInstanceState) {
21         super.onCreate(savedInstanceState);
22         setContentView(R.layout.activity_main);
23         callPhone=(Button)findViewById(R.id.call_Phone);
24         callPhone.setOnClickListener(this);
25     }
26 
27     @Override
28     public void onClick(View v) {
29         // TODO Auto-generated method stub
30         //如果没有权限则请求权限，否则直接打电话即可
31         if(ContextCompat.checkSelfPermission(this,Manifest.permission.CALL_PHONE)!=
32                 PackageManager.PERMISSION_GRANTED){
33             //第二个参数是数组表明可以一次性获取多个权限，后面的请求码要和回调处理函数的请求码对上
34             ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CALL_PHONE}, 1);
35         }else{
36             doCallPhone();
37         }
38     }
39     
40     public void doCallPhone(){
41         Intent intent=new Intent(Intent.ACTION_CALL);
42         Uri data=Uri.parse("tel:"+"10086");
43         intent.setData(data);
44         this.startActivity(intent);
45     }
46 
47     @Override
48     /**
49      * 不同的请求码来对应不同的授权请求
50      * grantResults数组：权限请求结果
51      */
52     public void onRequestPermissionsResult(int requestCode,
53             String[] permissions, int[] grantResults) {
54         if(requestCode==1){
55             if(grantResults[0]==PackageManager.PERMISSION_GRANTED){
56                 doCallPhone();
57             }else{
58                 //提示用户权限未被授予
59             }
60         }
61     }
62 }