两个应用之间传递广播的规则 Broadcast

1 package com.qf.broadcastreceiver04;
2 
3 public class Config {
4 
5     //声明广播的Action
6     public static final String ACTION_PRINT="com.qf.broadcast.print";
7 }

 1 package com.qf.broadcastreceiver04;
 2 
 3 import android.app.Activity;
 4 import android.content.Intent;
 5 import android.os.Bundle;
 6 import android.view.View;
 7 
 8 public class MainActivity extends Activity {
 9 
10     @Override
11     protected void onCreate(Bundle savedInstanceState) {
12         super.onCreate(savedInstanceState);
13         setContentView(R.layout.activity_main);
14     }
15     
16     public void send1(View v){
17         //发送打印广播: 有序广播，且带接收此广播的权限(需要在manifest文件中声明和使用)
18         //sendOrderedBroadcast(new Intent(Config.ACTION_PRINT),"com.qf.permission.print");
19     
20         //带有权限发送广播
21         sendBroadcast(new Intent(Config.ACTION_PRINT), "com.qf.permission.print");
22         
23         //sendBroadcast(new Intent(Config.ACTION_PRINT));
24     }
25 
26 }

 1 package com.qf.broadcastreceiver04;
 2 
 3 import java.util.Date;
 4 
 5 import android.content.BroadcastReceiver;
 6 import android.content.Context;
 7 import android.content.Intent;
 8 import android.util.Log;
 9 
10 public class MyReceiver01 extends BroadcastReceiver {
11 
12     @Override
13     public void onReceive(Context context, Intent intent) {
14         // TODO Auto-generated method stub
15         Log.i("debug", "--MyReceiver01---onReceive--"+new Date());
16     }
17 
18 }

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3     package="com.qf.broadcastreceiver04"
 4     android:versionCode="1"
 5     android:versionName="1.0" >
 6 
 7     <uses-sdk
 8         android:minSdkVersion="8"
 9         android:targetSdkVersion="17" />
10 
11     <!-- 定义权限 -->
12     <permission android:name="com.qf.permission.print" />
13 
14     <!-- 使用权限 -->
15     <uses-permission android:name="com.qf.permission.print" />
16 
17     <application
18         android:allowBackup="true"
19         android:icon="@drawable/ic_launcher"
20         android:label="@string/app_name"
21         android:theme="@style/AppTheme" >
22         <activity
23             android:name="com.qf.broadcastreceiver04.MainActivity"
24             android:label="@string/app_name" >
25             <intent-filter>
26                 <action android:name="android.intent.action.MAIN" />
27 
28                 <category android:name="android.intent.category.LAUNCHER" />
29             </intent-filter>
30         </activity>
31 
32         <!-- 注册广播接收器 -->
33         <receiver
34             android:name="com.qf.broadcastreceiver04.MyReceiver01"
35             android:permission="com.qf.permission.print" >
36             <intent-filter>
37                 <action android:name="com.qf.broadcast.print" />
38             </intent-filter>
39         </receiver>
40         <receiver
41             android:name="com.qf.broadcastreceiver04.MyReceiver02"
42             android:permission="com.qf.permission.print" >
43             <intent-filter android:priority="80" >
44                 <action android:name="com.qf.broadcast.print" />
45             </intent-filter>
46         </receiver>
47         
48         <!-- android:permission 设置接收的广播是带有权限的（发送广播端必须使用此权限）
49              android:exported="false" 不接收外部应用发送的广播 -->
50         <receiver
51             android:name="com.qf.broadcastreceiver04.MyReceiver03"
52             android:permission="com.qf.permission.print"
53             android:exported="false" >
54 
55             <!-- 通过priority属性设置接收广播的优先级(范围： -1000~1000) -->
56             <intent-filter android:priority="100" >
57                 <action android:name="com.qf.broadcast.print" />
58             </intent-filter>
59         </receiver>
60     </application>
61 
62 </manifest>

 1 package com.qf.broadcastreceiver05;
 2 
 3 import android.app.Activity;
 4 import android.content.Intent;
 5 import android.os.Bundle;
 6 import android.view.View;
 7 
 8 /**
 9  * 接收04应用中发送的广播
10  * @author apple
11  *
12  */
13 public class MainActivity extends Activity {
14 
15     @Override
16     protected void onCreate(Bundle savedInstanceState) {
17         super.onCreate(savedInstanceState);
18         setContentView(R.layout.activity_main);
19     }
20 
21     
22     public void sendBroadcast(View v){
23         Intent intent=new Intent("com.qf.broadcast.print");
24         intent.setPackage("com.qf.broadcastreceiver04"); //设置可以接收此广播的应用的包名
25         
26         sendBroadcast(intent);
27     }
28 
29 }

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3     package="com.qf.broadcastreceiver05"
 4     android:versionCode="1"
 5     android:versionName="1.0" >
 6 
 7     <uses-sdk
 8         android:minSdkVersion="8"
 9         android:targetSdkVersion="17" />
10 
11     <uses-permission android:name="com.qf.permission.print"/>
12     
13     <application
14         android:allowBackup="true"
15         android:icon="@drawable/ic_launcher"
16         android:label="@string/app_name"
17         android:theme="@style/AppTheme" >
18         <activity
19             android:name="com.qf.broadcastreceiver05.MainActivity"
20             android:label="@string/app_name" >
21             <intent-filter>                                   
22                 <action android:name="android.intent.action.MAIN" />
23 
24                 <category android:name="android.intent.category.LAUNCHER" />
25             </intent-filter>
26         </activity>
27         
28        <receiver android:name="com.qf.broadcastreceiver05.MyReceiver01">
29            <intent-filter>
30                <action android:name="com.qf.broadcast.print"/>
31            </intent-filter>
32        </receiver>
33        
34     </application>
35 
36 </manifest>