绑定服务-----------binderService TimerTask的使用

绑定服务 服务中通过定义Binder对象的子类让这个子类成为桥梁   在onBind（）中返回子类对象

这样就可以在activity中调用这个子类的方法

在Activity中通过ServiceConnection获取这个对象并向下转型为该子类对象 y与Activity绑定的服务当Activity结束的时候服务也会跟着结束

timer.cancel()会结束timerTask中的所有任务

NotifyManager.cancel(2)  2是对应的通知的id 会结束对应的通知

 import android.app.Activity;
 import android.content.ComponentName;
 import android.content.Intent;
 import android.content.ServiceConnection;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.view.View;

 import com.qf.service03_bindservice.TimerService.TimerBinder;

 public class MainActivity extends Activity {

     //澹版槑Binder瀛愮被瀵硅薄
     TimerBinder timerBinder;

     //3. 瀹炰緥鍖朣erviceConnection鎺ュ彛锛堢粦瀹氭湇鍔＄粍浠舵椂浣跨敤鐨勫洖璋冩帴鍙ｏ級
     ServiceConnection conn=new ServiceConnection(){
         @Override
         public void onServiceConnected(ComponentName name, IBinder service) {
             // TODO 缁戝畾鎴愬姛鐨勬柟娉�
             timerBinder=(TimerBinder) service;
         }

         @Override
         public void onServiceDisconnected(ComponentName name) {
             // TODO 涓庣粦瀹氭湇鍔＄粍浠舵柇寮�繛鎺ワ紙鍙戠敓鐨勬椂鏈猴細鐢变簬绯荤粺鍘熷洜閫犳垚浜嗘湇鍔＄粍浠跺仠姝㈡垨閿�瘉锛�            timerBinder=null;
         }
     };

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
     }

     public void bindService(View v) {
         //缁戝畾鏈嶅姟缁勪欢
         bindService(new Intent(getApplicationContext(),TimerService.class),
                 conn, BIND_AUTO_CREATE);

         //BIND_AUTO_CREATE鏍囪瘑琛ㄧず锛氱粦瀹氱殑鏈嶅姟缁勪欢濡傛灉涓嶅瓨锛屽垯浼氳嚜鍔ㄥ垱寤猴紝
         //娉細鐢眀indService鏂瑰紡鍚姩鐨凷ervice锛屽叾鐢熷懡鍛ㄦ湡浼氬彈鍒扮粦瀹氱粍浠剁殑褰卞搷锛屽嵆褰撶粦瀹氱粍浠禔ctivity閿�瘉鏃讹紝Service涔熶細鍋滄
     }

     public void unbindService(View v) {
         unbindService(conn); //瑙ｉ櫎缁戝畾
     }

     public void startTime(View v) {
         if(timerBinder!=null){
             timerBinder.start();
         }
     }

     public void stopTime(View v) {
         if(timerBinder!=null){
             timerBinder.stop();
         }
     }

 }

MainActivity.java

 import java.util.Timer;
 import java.util.TimerTask;

 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.app.Service;
 import android.content.Intent;
 import android.os.Binder;
 import android.os.IBinder;
 import android.support.v4.app.NotificationCompat;
 import android.util.Log;

 public class TimerService extends Service {

     private Timer timer; //瀹氭椂鍣�
     private NotificationManager notifyMgr;
     @Override
     public void onCreate() {
         super.onCreate();
         Log.i("debug", "--onCreate--");

         timer=new Timer();

         notifyMgr=(NotificationManager) getSystemService(NOTIFICATION_SERVICE);
     }

     @Override
     public IBinder onBind(Intent intent) {
         Log.i("debug", "--onBind--");
         return new TimerBinder();//2. 瀹炰緥鍖朆inder鐨勫瓙绫伙紝骞惰繑鍥�
         }

     @Override
     public boolean onUnbind(Intent intent) {
         Log.i("debug", "--onUnbind--");
         return super.onUnbind(intent);
     }

     @Override
     public void onDestroy() {
         Log.i("debug", "--onDestroy--");
         super.onDestroy();
     }

     //1. 澹版槑Binder绫荤殑瀛愮被锛岀敤浜嶴ervice涓庣粦瀹氱殑Activity鐨勭粍浠惰繘琛岄�淇�
     public class TimerBinder extends Binder{
         public void start(){
             Log.i("debug", "----start---");

             //閫氳繃瀹氭椂鍣紝鏉ュ畨鎺掓椂闂磋鍒�
             timer.schedule(new TimerTask(){
                 @Override
                 public void run() {
                     // TODO 鍦ㄦ寚瀹氱殑鏃堕棿鎵ц鐨勪换鍔�
                     NotificationCompat.Builder builder=
                             new NotificationCompat.Builder(getApplicationContext());
                     builder.setSmallIcon(android.R.drawable.ic_menu_today)
                             .setContentTitle("鎻愰啋")
                             .setContentText("鏃堕棿浜嗭紝璇ヨ捣搴婁簡....")
                             .setTicker("鏃堕棿浜嗭紝璇ヨ捣搴婁簡....")
                             .setDefaults(Notification.DEFAULT_SOUND)
                             .setOngoing(true);

                     notifyMgr.notify(2, builder.build());

                 }
             },10*1000, 5*1000);

         }

         public void stop(){
             Log.i("debug", "----stop---");
             //鍏抽棴鎵�湁鐨勫畾鏃朵换鍔�
             timer.cancel();

             notifyMgr.cancel(2);
         }
     }

 }

TimerService.java

 <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"
     android:paddingBottom="@dimen/activity_vertical_margin"
     android:paddingLeft="@dimen/activity_horizontal_margin"
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
     tools:context=".MainActivity" >

     <Button
         android:id="@+id/btn1Id"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:onClick="bindService"
         android:text="绑定服务" />

     <Button
         android:id="@+id/btn2Id"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_below="@id/btn1Id"
         android:onClick="unbindService"
         android:text="解除绑定" />

     <Button
         android:id="@+id/btn3Id"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_below="@id/btn2Id"
         android:onClick="startTime"
         android:text="开启定时" />

     <Button
         android:id="@+id/btn4Id"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_below="@id/btn3Id"
         android:onClick="stopTime"
         android:text="关闭定时" />

 </RelativeLayout>

activity_main.xml