转：一个Demo学完Android中所有的服务

这个例子来自“安卓巴士”，经阅读，理解，写此文章，希望通过这篇一个Demo学完Android中所有的服务对对广大读者有所帮助。

说明：这个例子实现了Android中常见的许多服务，下面是实现的截图

接下来，以源代码的方式分析这个例子

1.MainActivity--主界面

这个类主要是实现用户所看到的这个Activity，其中包含了一系列的按钮，用户点击按钮执行相应的动作，所以在这个类中主要是对按钮的定义和对按钮绑定相应的监听器，下面是实现的代码：

packagelovefang.stadyService;importandroid.app.Activity;importandroid.os.Bundle;importandroid.widget.Button;importandroid.view.View;importandroid.content.Intent;importandroid.util.Log;/**这是使用后台服务的学习例子*/publicclassMainStadyServicsextendsActivity{/**参数设置*/ButtonstartServiceButton;//启动服务按钮ButtonshutDownServiceButton;//关闭服务按钮ButtonstartBindServiceButton;//启动绑定服务按钮ButtonsendBroadcast;//使用广播ButtonnotificationButton;//使用通知功能ButtonalarmButton;//使用闹钟ButtonhandlerButton;//使用handlerButtonasyncButton;//使用异步加载ButtonphoneStateButton;//查看手机状态ButtoncallphoneButton;//拨打电话ButtonvibratorButton;//使用震动CountServicecountService;@OverridepublicvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);Log.v("MainStadyServics","setContentView");setContentView(R.layout.main);getWidget();regiestListener();}/**获得组件*/publicvoidgetWidget(){startServiceButton=(Button)findViewById(R.id.startServerButton);startBindServiceButton=(Button)findViewById(R.id.startBindServerButton);shutDownServiceButton=(Button)findViewById(R.id.sutdownServerButton);sendBroadcast=(Button)findViewById(R.id.sendBroadcast);notificationButton=(Button)findViewById(R.id.notification);alarmButton=(Button)findViewById(R.id.alarm);handlerButton=(Button)findViewById(R.id.handler);asyncButton=(Button)findViewById(R.id.async);phoneStateButton=(Button)findViewById(R.id.phonestate);callphoneButton=(Button)findViewById(R.id.callphone);vibratorButton=(Button)findViewById(R.id.vibrator);}/**为按钮添加监听*/publicvoidregiestListener(){startServiceButton.setOnClickListener(startService);shutDownServiceButton.setOnClickListener(shutdownService);startBindServiceButton.setOnClickListener(startBinderService);sendBroadcast.setOnClickListener(broadcastReceiver);notificationButton.setOnClickListener(notification);alarmButton.setOnClickListener(startAlarm);handlerButton.setOnClickListener(handler);asyncButton.setOnClickListener(async);phoneStateButton.setOnClickListener(phonestate);callphoneButton.setOnClickListener(callphoneEvent);vibratorButton.setOnClickListener(vibrator);}/**启动服务的事件监听*/publicButton.OnClickListenerstartService=newButton.OnClickListener(){publicvoidonClick(Viewview){/**单击按钮时启动服务*/Intentintent=newIntent(MainStadyServics.this,CountService.class);startService(intent);Log.v("MainStadyServics","startService");}};/**关闭服务*/publicButton.OnClickListenershutdownService=newButton.OnClickListener(){publicvoidonClick(Viewview){/**单击按钮时启动服务*/Intentintent=newIntent(MainStadyServics.this,CountService.class);/**退出Activity是，停止服务*/stopService(intent);Log.v("MainStadyServics","shutDownserveice");}};/**打开绑定服务的Activity*/publicButton.OnClickListenerstartBinderService=newButton.OnClickListener(){publicvoidonClick(Viewview){/**单击按钮时启动服务*/Intentintent=newIntent(MainStadyServics.this,UseBrider.class);startActivity(intent);Log.v("MainStadyServics","startBinderService");}};/**打开广播学习的按钮*/publicButton.OnClickListenerbroadcastReceiver=newButton.OnClickListener(){publicvoidonClick(Viewview){Intentintent=newIntent(MainStadyServics.this,UseBroadcast.class);startActivity(intent);Log.v("MainStadyServics","startbroadcast");}};/**打开通知*/publicButton.OnClickListenernotification=newButton.OnClickListener(){publicvoidonClick(Viewview){Intentintent=newIntent(MainStadyServics.this,UseNotification.class);startActivity(intent);Log.v("MainStadyService","startNotification");}};/**使用闹钟*/publicButton.OnClickListenerstartAlarm=newButton.OnClickListener(){publicvoidonClick(Viewview){Intentintent=newIntent(MainStadyServics.this,UseAlarmManager.class);startActivity(intent);Log.v("MainStadyService","startalarm");}};publicButton.OnClickListenerhandler=newButton.OnClickListener(){publicvoidonClick(Viewview){Intentintent=newIntent(MainStadyServics.this,UseHandleMessage.class);startActivity(intent);Log.v("MainStadyService","starthandle");}};publicButton.OnClickListenerasync=newButton.OnClickListener(){publicvoidonClick(Viewview){Intentintent=newIntent(MainStadyServics.this,UseAsyncTask.class);startActivity(intent);Log.v("MainStadyService","starthandle");}};publicButton.OnClickListenerphonestate=newButton.OnClickListener(){publicvoidonClick(Viewview){Intentintent=newIntent(MainStadyServics.this,UsePhoneState.class);startActivity(intent);Log.v("MainStadyService","startphonestate");}};publicButton.OnClickListenercallphoneEvent=newButton.OnClickListener(){publicvoidonClick(Viewview){Intentintent=newIntent(MainStadyServics.this,UseActionCall.class);startActivity(intent);Log.v("MainStadyService","startcallphone");}};publicButton.OnClickListenervibrator=newButton.OnClickListener(){publicvoidonClick(Viewview){Intentintent=newIntent(MainStadyServics.this,UseVibrator.class);startActivity(intent);Log.v("MainStadyService","startcallphone");}};/***/protectedvoidonDestroy(){super.onDestroy();Intentintent=newIntent(MainStadyServics.this,CountService.class);/**退出Activity时，停止服务*/stopService(intent);}}

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