package com.example.hellowrold;

import java.util.Random;

import com.example.hellowrold.R.id;

import android.os.Bundle;

import android.os.IBinder;

import android.app.Activity;

import android.content.ComponentName;

import android.content.Intent;

import android.content.ServiceConnection;

import android.graphics.Typeface;

import android.view.Menu;

import android.view.View;

import android.widget.Button;

public class EX0314 extends Activity {

    private Button startButton;

    private Button stopbuButton;

    private Button bindButton;

    private Button unbindButton;

    private ServiceConnection sConnection;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_ex0314);

         sConnection=new ServiceConnection() {

            @Override

            public void onServiceDisconnected(ComponentName name) {

            }

            @Override

            public void onServiceConnected(ComponentName name, IBinder service) {

            }

        };

        startButton=(Button)findViewById(id.Ex0314StartButton);

        startButton.setOnClickListener(new Button.OnClickListener() {

            @Override

            public void onClick(View v) {

                // TODO Auto-generated method stub

                Intent sIntent=new Intent(EX0314.this,mService1.class);

                sIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

                startService(sIntent);

            }

        });        

        stopbuButton=(Button)findViewById(id.Ex0314StopButton);

        stopbuButton.setOnClickListener(new Button.OnClickListener() {

            @Override

            public void onClick(View v) {

                // TODO Auto-generated method stub

                Intent sIntent=new Intent(EX0314.this,mService1.class);

                stopService(sIntent);

            }

        });        

        bindButton=(Button)findViewById(id.Ex0314BindButton);

        bindButton.setOnClickListener(new Button.OnClickListener() {

            @Override

            public void onClick(View v) {

                // TODO Auto-generated method stub

                Intent sIntent=new Intent(EX0314.this,mService1.class);

                sIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

                bindService(sIntent,sConnection,BIND_AUTO_CREATE);

            }

        });        

        unbindButton=(Button)findViewById(id.Ex0314UnbindButton);

        unbindButton.setOnClickListener(new Button.OnClickListener() {

            @Override

            public void onClick(View v) {

                Intent sIntent=new Intent(EX0314.this,mService1.class);

                sIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

                unbindService(sConnection);

            }

        });

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.ex0314, menu);

        return true;

    }

}

package com.example.hellowrold;

import android.R.integer;

import android.app.Service;

import android.content.Intent;

import android.os.Handler;

import android.os.IBinder;

import android.util.Log;

public class mService1 extends Service{

private Handler objHandler=new Handler();

private int intCounter=0;

private static final String TAG = "MyService";

private Runnable mTasks=new Runnable() {

    @Override

    public void run() {

        // TODO Auto-generated method stub

        intCounter++;

        Log.i("hippo","计算器"+Integer.toString(intCounter));

        objHandler.postDelayed(mTasks, 1000);

    }

};

@Override

    public void onCreate() {

    Log.e(TAG, "start onCreate~~~");

        super.onCreate();

        objHandler.postDelayed(mTasks, 1000);

    }

@Override

    public void onDestroy() {

    Log.e(TAG, "start onDestroy~~~");

        super.onDestroy();

        objHandler.removeCallbacks(mTasks);

    }

@Override

    public IBinder onBind(Intent intent) {

    Log.e(TAG, "start IBinder~~~");

        return null;

    }

@Override

    public boolean onUnbind(Intent intent) {

    Log.e(TAG, "start onUnbind~~~");

        return super.onUnbind(intent);

    }

}

        <activity

            android:name="com.example.hellowrold.EX0314"

            android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

        <service android:name=".mService1"

            android:exported="false">

        </service>