Android权限配置与调用

 1 package com.example.metrox.codepermission;
 2 
 3 import android.content.Context;
 4 import android.content.pm.PackageManager;
 5 
 6 /**
 7  * Created by MetroX on 2016/6/22.
 8  */
 9 public class Hello {
10     public static final  String PERMISSON_SAY_HELLO = "com.example.metrox.codepermission.permission.SAY_HELLO";
11     public static void   SayHello(Context context){
12         int result = context.checkCallingOrSelfPermission(PERMISSON_SAY_HELLO);
13         if(result != PackageManager.PERMISSION_GRANTED){
14              throw  new SecurityException("执行SayHello方法需要权限: " + PERMISSON_SAY_HELLO);
15         }
16         System.out.println("权限测试成功");
17     }
18 }

 1 package com.example.metrox.codepermission;
 2 
 3 import android.support.v7.app.AppCompatActivity;
 4 import android.os.Bundle;
 5 
 6 public class MainActivity extends AppCompatActivity {
 7 
 8     @Override
 9     protected void onCreate(Bundle savedInstanceState) {
10         super.onCreate(savedInstanceState);
11         setContentView(R.layout.activity_main);
12         Hello.SayHello(this);
13     }
14 }

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3     package="com.example.metrox.codepermission">
 4     <permission android:name="com.example.metrox.codepermission.permission.SAY_HELLO"></permission>
 5     <uses-permission android:name="com.example.metrox.codepermission.permission.SAY_HELLO"></uses-permission>
 6     <application
 7         android:allowBackup="true"
 8         android:icon="@mipmap/ic_launcher"
 9         android:label="@string/app_name"
10         android:supportsRtl="true"
11         android:theme="@style/AppTheme">
12         <activity android:name=".MainActivity">
13             <intent-filter>
14                 <action android:name="android.intent.action.MAIN" />
15 
16                 <category android:name="android.intent.category.LAUNCHER" />
17             </intent-filter>
18         </activity>
19     </application>
20 
21 </manifest>