android 广播 android Service 开机启动的Service

package com.webabcd.service;import android.app.Activity;import android.content.BroadcastReceiver;import android.content.ComponentName;import android.content.Context;import android.content.Intent;import android.content.IntentFilter;import android.content.ServiceConnection;import android.os.Bundle;import android.os.IBinder;import android.view.View;import android.view.View.OnClickListener;import android.widget.TextView;/* * startService() 和 bindService() 的区别 * startService() - 正常理解就好 * bindService() - 使当前上下文对象（本例中就是 Activity）通过一个 ServiceConnection 对象邦定到指定的 Service 。这样，如果上下文对象销毁了的话，那么其对应的 Service 也会被销毁 */public class Main extends Activity implements OnClickListener {private TextView txtMsg; @Override public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);setTitle("android 之 service");this.findViewById(R.id.btnStart).setOnClickListener(this);this.findViewById(R.id.btnStop).setOnClickListener(this);this.findViewById(R.id.btnBind).setOnClickListener(this);this.findViewById(R.id.btnUnbind).setOnClickListener(this);txtMsg = (TextView)this.findViewById(R.id.txtMsg);// 实例化自定义的 BroadcastReceiverreceiver = new UpdateReceiver();IntentFilter filter = new IntentFilter();// 为 BroadcastReceiver 指定 action ，使之用于接收同 action 的广播filter.addAction("com.webabcd.service.msg");// 以编程方式注册 BroadcastReceiver 。就是在代码中注册//配置方式注册 BroadcastReceiver 的例子见 AndroidManifest.xml 文件// 一般在 OnStart 时注册，在 OnStop 时取消注册this.registerReceiver(receiver, filter);// this.unregisterReceiver(receiver);}@Overridepublic void onClick(View v) {Intent intent = new Intent(Main.this, MyService.class);switch (v.getId()) {case R.id.btnStart:this.startService(intent);break;case R.id.btnStop:this.stopService(intent);break;case R.id.btnBind:this.bindService(intent, conn, Context.BIND_AUTO_CREATE);break;case R.id.btnUnbind:this.unbindService(conn);break;}}// bindService() 所需的 ServiceConnection 对象private ServiceConnection conn = new ServiceConnection() {@Overridepublic void onServiceConnected(ComponentName className, IBinder service) {}@Overridepublic void onServiceDisconnected(ComponentName className) {}};private String msg="";private UpdateReceiver receiver;// 实现一个 BroadcastReceiver，用于接收指定的 Broadcastpublic class UpdateReceiver extends BroadcastReceiver{@Overridepublic void onReceive(Context context, Intent intent) {msg = intent.getStringExtra("msg");txtMsg.append(msg + "/n");}}}

 

 

package com.webabcd.service;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.util.Log;public class MyBootReceiver extends BroadcastReceiver {// 用于接收满足条件的 Broadcast（相应的 Broadcast 的注册信息详见 AndroidManifest.xml ，当系统启动完毕后会调用这个广播接收器）//当开机的时候就会启动这个Service@Overridepublic void onReceive(Context arg0, Intent arg1) {Log.d("MyDebug", "onReceive");// 启动服务Intent service = new Intent(arg0, MyService.class);arg0.startService(service);}} package com.webabcd.service;import android.app.Service;import android.content.Intent;import android.os.IBinder;import android.util.Log;// 演示 Service 的生命周期。具体信息运行程序后在 LogCat 中查看public class MyService extends Service {@Overridepublic IBinder onBind(Intent intent) {Log.d("MyDebug", "onBind");sendMsg("onBind");// TODO Auto-generated method stubreturn null;}@Overridepublic void onCreate() {// TODO Auto-generated method stubsuper.onCreate();Log.d("MyDebug", "onCreate");sendMsg("onCreate");}@Overridepublic void onDestroy() {// TODO Auto-generated method stubsuper.onDestroy();Log.d("MyDebug", "onDestroy");sendMsg("onDestroy");}@Overridepublic void onRebind(Intent intent) {// TODO Auto-generated method stubsuper.onRebind(intent);Log.d("MyDebug", "onRebind");sendMsg("onRebind");}@Overridepublic void onStart(Intent intent, int startId) {super.onStart(intent, startId);Log.d("MyDebug", "onStart");sendMsg("onStart");}@Overridepublic boolean onUnbind(Intent intent) {Log.d("MyDebug", "onUnbind");sendMsg("onUnbind");// TODO Auto-generated method stubreturn super.onUnbind(intent);}// 发送广播信息private void sendMsg(String msg){// 指定广播目标的 action （注：指定了此 action 的 receiver 会接收此广播）Intent intent = new Intent("com.webabcd.service.msg");// 需要传递的参数intent.putExtra("msg", msg);// 发送广播this.sendBroadcast(intent);}}

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"package="com.webabcd.service" android:versionCode="1"android:versionName="1.0"><application android:icon="@drawable/icon" android:label="@string/app_name"><activity android:name=".Main" android:label="@string/app_name"><intent-filter><action android:name="android.intent.action.MAIN" /><category android:name="android.intent.category.LAUNCHER" /></intent-filter></activity><!--如果有需要用到的 service ，则都要在这里做相应的配置--><service android:name=".MyService"></service><!--注册一个 BroadcastReceiver其 intent-filter 为 android.intent.action.BOOT_COMPLETED（用于接收系统启动完毕的 Broadcast）--><receiver android:name=".MyBootReceiver"><intent-filter><action android:name="android.intent.action.BOOT_COMPLETED" /></intent-filter></receiver></application><!--接受系统启动完毕的 Broadcast 的权限--><uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" /><uses-sdk android:minSdkVersion="3" /></manifest>