<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"package="com.hanqi.testservice"><applicationandroid:allowBackup="true"android:icon="@mipmap/ic_launcher"android:label="@string/app_name"android:supportsRtl="true"android:theme="@style/AppTheme"><activity android:name=".MainActivity"><intent-filter><action android:name="android.intent.action.MAIN" /><category android:name="android.intent.category.LAUNCHER" /></intent-filter></activity><serviceandroid:name=".TestService1"android:enabled="true"android:exported="true"></service></application></manifest>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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="com.hanqi.testservice.MainActivity"android:orientation="vertical"><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"><Buttonandroid:layout_width="0dp"android:layout_height="wrap_content"android:layout_weight="1"android:text="一般启动服务"android:onClick="bt1_onclick"/><Buttonandroid:layout_width="0dp"android:layout_height="wrap_content"android:layout_weight="1"android:text="一般停止服务"android:onClick="bt2_onclick"/></LinearLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"><Buttonandroid:layout_width="0dp"android:layout_height="wrap_content"android:layout_weight="1"android:text="绑定启动服务"android:onClick="bt3_onclick"/><Buttonandroid:layout_width="0dp"android:layout_height="wrap_content"android:layout_weight="1"android:text="解绑停止服务"android:onClick="bt4_onclick"/></LinearLayout></LinearLayout>

package com.hanqi.testservice;import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;
import android.util.Log;public class TestService1 extends Service {public TestService1() {Log.e("TAG","构造Service");}//绑定的回调方法//必须要重写
    @Overridepublic IBinder onBind(Intent intent) {// TODO: Return the communication channel to the service.//throw new UnsupportedOperationException("Not yet implemented");Log.e("TAG","绑定被调用");return new Binder();}@Overridepublic void onCreate() {Log.e("TAG","创建Service");super.onCreate();}@Overridepublic void onDestroy() {Log.e("TAG","销毁Service");super.onDestroy();}@Overridepublic int onStartCommand(Intent intent, int flags, int startId) {Log.e("TAG","启动命令");return super.onStartCommand(intent, flags, startId);}@Overridepublic boolean onUnbind(Intent intent) {Log.e("TAG","解除绑定");return super.onUnbind(intent);}
}

package com.hanqi.testservice;import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Toast;public class MainActivity extends AppCompatActivity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);}//一般方式启动Service//参考Activity的启动方式public void bt1_onclick(View v){//通过意图Intent启动//显示意图Intent intent = new Intent(this,TestService1.class);startService(intent);Toast.makeText(MainActivity.this, "启动Service", Toast.LENGTH_SHORT).show();}//一般方式停止Service//参考Activity的启动方式public void bt2_onclick(View v){//通过意图Intent启动//显示意图Intent intent = new Intent(this,TestService1.class);stopService(intent);Toast.makeText(MainActivity.this, "停止Service", Toast.LENGTH_SHORT).show();}ServiceConnection serviceConnection;public void bt3_onclick(View v){//通过意图Intent启动//显示意图Intent intent = new Intent(this,TestService1.class);if(serviceConnection == null) {serviceConnection = new ServiceConnection() {@Overridepublic void onServiceConnected(ComponentName name, IBinder service) {Log.e("TAG", "连接服务");}@Overridepublic void onServiceDisconnected(ComponentName name) {Log.e("TAG", "断开链接服务");}};}//参数: 意图，连接，绑定方式   BIND_AUTO_CREATE(自动创建)
        bindService(intent,serviceConnection, Context.BIND_AUTO_CREATE);Toast.makeText(MainActivity.this, "绑定服务成功", Toast.LENGTH_SHORT).show();}public void bt4_onclick(View v){//判断是否已经绑定，连接是否为空if(serviceConnection != null){//解除绑定
            unbindService(serviceConnection);serviceConnection = null;Toast.makeText(MainActivity.this, "解除绑定", Toast.LENGTH_SHORT).show();}else {Toast.makeText(MainActivity.this, "尚未绑定", Toast.LENGTH_SHORT).show();}}//  Acticity销毁的回调方法
    @Overrideprotected void onDestroy() {if(serviceConnection != null) {//解除绑定
            unbindService(serviceConnection);serviceConnection = null;}super.onDestroy();}
}