android关于service()

MainActivity:

package com.example.myservice1;import com.example.myservice1.Myservice.MyBinder;import android.os.Bundle;import android.os.IBinder;import android.annotation.SuppressLint;import android.app.Activity;import android.content.ComponentName;import android.content.Intent;import android.content.ServiceConnection;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.Toast;@SuppressLint("ShowToast")public class MainActivity extends Activity implements OnClickListener,ServiceConnection{    private Button start,stop,bind,unbind,get;     private Intent intent;        @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        start=(Button) findViewById(R.id.start);        stop=(Button) findViewById(R.id.stop);        bind=(Button) findViewById(R.id.bind);        unbind=(Button) findViewById(R.id.unbind);        get=(Button) findViewById(R.id.get);        start.setOnClickListener(this);        stop.setOnClickListener(this);        bind.setOnClickListener(this);        unbind.setOnClickListener(this);        get.setOnClickListener(this);        intent=new Intent(MainActivity.this,Myservice.class);    }    @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;    }        @Override    public void onClick(View v) {        switch (v.getId()) {        case R.id.start:            startService(intent);                        break;        case R.id.stop:            stopService(intent);            break;        case R.id.bind:            bindService(intent, this, BIND_AUTO_CREATE);            break;        case R.id.unbind:            unbindService(this);            break;        case R.id.get:            Toast.makeText(MainActivity.this,                    "当前Service的值为：" + my.getIndex(), Toast.LENGTH_LONG).show();            break;                    default:            break;        }                    }    private Myservice my;    @Override    public void onServiceConnected(ComponentName name, IBinder service) {                System.out.println("onServiceConnected");        Myservice.MyBinder m=(MyBinder) service;        my=m.getMyService();            }    @Override    public void onServiceDisconnected(ComponentName name) {                    }}




Myservice:

package com.example.myservice1;import java.util.Timer;import java.util.TimerTask;import android.app.Service;import android.content.Intent;import android.os.Binder;import android.os.IBinder;public class Myservice extends Service {    private Timer timer;    private TimerTask task;    private int index = 0;    // 与Activicy进行绑定    @Override    public IBinder onBind(Intent intent) {        return binder;    }    //得到binder对象    private MyBinder binder = new MyBinder();    //自定义已给MyBinder继承Binder实现通信    public class MyBinder extends Binder{        //获得当前Service的状态        public Myservice getMyService(){                        return Myservice.this;        }    }            @Override    public void onCreate() {        super.onCreate();        startTimer();    }    @Override    public int onStartCommand(Intent intent, int flags, int startId) {        return super.onStartCommand(intent, flags, startId);    }    @Override    public void onDestroy() {        super.onDestroy();        stopTimer();    }    // 开始执行Timer    public void startTimer() {        timer = new Timer();        task = new TimerTask() {            @Override            public void run() {                index++;                System.out.println(index);            }        };        timer.schedule(task, 1000, 1000);    }    // 停止Timer的执行    public void stopTimer() {        timer.cancel();    }    //实现可读性（Index）    public int getIndex() {        return index;    }}

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