在main.xml中：
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#000000"
android:gravity="center_horizontal">
<Button
android:id="@+id/mybut"
android:layout_marginTop="8dp"
android:layout_width="80dp"
android:layout_height="40dp"
android:textColor="#ffffff"
android:background="#3399ff"
android:text="开始广播"/>
</LinearLayout>
新建MyBroadCastReceviceUtil.java:
package com.li.broadcastproject;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class MyBroadcastReceiverUtil extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
context.startService(new Intent(context,MyServiceUtil.class)) ;
}
}
新建MyServiceUtil.java：
package com.li.broadcastproject;
import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
public class MyServiceUtil extends Service {
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
System.out.println("*** Service onCreate()") ;
super.onCreate();
}
@Override
public void onDestroy() {
System.out.println("*** Service onDestroy()") ;
super.onDestroy();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
System.out.println("*** Service onStartCommand()") ;
return Service.START_CONTINUATION_MASK;
}
}
在MyBroadcastDemo.java中：
package com.li.broadcastproject;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
public class MyBroadcastDemo extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
super.setContentView(R.layout.main);
Intent it = new Intent("com.li.action.LYW"); // 操作的过滤
MyBroadcastDemo.this.sendBroadcast(it) ;
}
@Override
protected void onStop() {
super.onStop();
}
}
修改AndroidManifest.xml：
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.li.broadcastproject"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="15" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MyBroadcastDemo"
android:label="@string/title_activity_my_broadcast" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<receiver
android:name=".MyBroadcastReceiverUtil"
android:enabled="true" >
<intent-filter>
<action android:name="com.li.action.LYW" />
</intent-filter>
</receiver>
<service
android:name=".MyServiceUtil" />
</application>
</manifest>