android的Service的实例

package com.android.service;

import android.app.IntentService;
import android.content.Intent;

public class HelloIntentService extends IntentService{

   public HelloIntentService() {
       super("HelloIntentService");
       // TODO Auto-generated constructor stub
   }

   @Override
   protected void onHandleIntent(Intent intent) {
       // TODO Auto-generated method stub
       System.out.println("休息8秒");

       try{
           Thread.sleep(8000);
       }catch(InterruptedException e){
           e.printStackTrace();
       }
   }

   public void onDestory(){
       System.out.println("执行onHandleIntent之后会自动调用！");
       super.onDestroy();

   }


}

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package com.android.service;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;

public class HelloService extends Service{

   @Override
   public IBinder onBind(Intent intent) {
       // TODO Auto-generated method stub
       return null;
   }

   public void onCreate(){
       super.onCreate();



   }

   public void onDestory(){

       super.onDestroy();

   }

   public void onStart(Intent intent,int startId) {
       // TODO Auto-generated method stub
       System.out.println("启动Service,休眠10秒");

       try{
           Thread.sleep(8000);
       }catch(InterruptedException e){
           e.printStackTrace();
       }
   }



}

package com.android.service;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button button=(Button)findViewById(R.id.button1);
        button.setOnClickListener(new OnClickListener() {

           @Override
           public void onClick(View v) {
               // TODO Auto-generated method stub
               Intent intent=new Intent(
                       MainActivity.this,HelloIntentService.class);
               startService(intent);
           }
       });

    Button button2=(Button)findViewById(R.id.button2);
    button.setOnClickListener(new OnClickListener() {

       @Override
       public void onClick(View v) {
           // TODO Auto-generated method stub
           Intent intent=new Intent(
                   MainActivity.this,HelloIntentService.class);
           stopService(intent);
       }
   });

    Button button3=(Button)findViewById(R.id.button3);
    button.setOnClickListener(new OnClickListener() {

       @Override
       public void onClick(View v) {
           // TODO Auto-generated method stub
           Intent intent=new Intent(
                   MainActivity.this,HelloService.class);
           startService(intent);
       }
   });

}


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

}

    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    tools:context=".MainActivity" >

android的Service的实例

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