TestBroadcastA应用如下
MainActivity如下:
package cc.testbroadcasta;
import android.os.Bundle;
import android.app.Activity;
/**
* Demo描述:
* 利用广播在应用程序之间传递数据
*
* TestBroadcastA应用中注册一个广播接收者.
* TestBroadcastB应用中发出一个广播
*/
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
}
BroadcastReceiverTest如下:
package cc.testbroadcasta;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class BroadcastReceiverTest extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String name=intent.getStringExtra("name");
int number=intent.getIntExtra("number", 0);
System.out.println("接收到广播 name="+name+",number="+number);
}
public static void main(String[] args) {
}
}
main.xml如下:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="这是一个BroadcastReceiver.\n接收另外一个应用发出的广播"
android:layout_centerInParent="true"/>
</RelativeLayout>
AndroidManifest.xml如下:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="cc.testbroadcasta"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="10"
android:targetSdkVersion="10" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="cc.testbroadcasta.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<!-- 注册一个广播接收者 -->
<receiver android:name="cc.testbroadcasta.BroadcastReceiverTest">
<intent-filter >
<action android:name="cc.test"/>
</intent-filter>
</receiver>
</application>
</manifest>
TestBroadcastB应用如下
MainActivity如下:
package cc.testbroadcastb;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Intent intent=new Intent();
//设置Action
intent.setAction("cc.test");
//携带数据
intent.putExtra("name", "周星驰");
intent.putExtra("number", 9527);
//发送广播
sendBroadcast(intent);
}
}
main.xml如下:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="在这里发出一个广播\n且利用广播携带数据,传递给另外一个应用"
android:layout_centerInParent="true"/>
</RelativeLayout>
