Android Service

package com.qunge.service;

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

public class MyService extends Service {
    public MyService() {
    }

    @Override
    public IBinder onBind(Intent intent) {
        return new Binder();
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {

        new Thread() {
            @Override
            public void run() {
                super.run();
                while (true) {
                    System.out.println("服务进行中...");

                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }

            }

        }.start();


        return super.onStartCommand(intent, flags, startId);
    }
}

<pre name="code" class="java">package com.qunge.service;

import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class MainActivity extends AppCompatActivity implements View.OnClickListener, ServiceConnection {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        findViewById(R.id.button_bindservice).setOnClickListener(MainActivity.this);

        findViewById(R.id.button_startservice).setOnClickListener(MainActivity.this);

        findViewById(R.id.button_stopservice).setOnClickListener(MainActivity.this);

        findViewById(R.id.button_cacelbindservice).setOnClickListener(MainActivity.this);
    }
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.button_bindservice:
                bindService(new Intent(MainActivity.this,MyService.class),MainActivity.this,BIND_AUTO_CREATE );
                break;
            case R.id.button_startservice:
                startService(new Intent(MainActivity.this,MyService.class));
                break;
            case R.id.button_stopservice:
                stopService(new Intent(MainActivity.this,MyService.class));
                break;
            case R.id.button_cacelbindservice:
                unbindService(MainActivity.this);
                break;
        }
    }

    @Override
    public void onServiceConnected(ComponentName name, IBinder service) {

    }

    @Override
    public void onServiceDisconnected(ComponentName name) {

    }
}