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();
        }
    }

}

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);
        }
    }

}

<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>