绑定Service实例

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package com.example.bindservice;import android.app.Activity;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.util.Log;import android.view.View;import android.widget.Button;//使用绑定Service时，回调方法顺序为onCreate--onBind--onUnBind--onDestroy;/** * @author HD * @date 2015-11-18 * @package_name com.example.bindservice * @file_name MainActivity.java */public class MainActivity extends Activity {    private static final String TAG = "MainActivity";    public MyService myService;    private Button  mButton;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        mButton = (Button) findViewById(R.id.button1);        mButton.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                // TODO 自动生成的方法存根                Intent intent = new Intent();                intent.setClass(MainActivity.this, MyService.class);//              绑定service                bindService(intent, conn, Context.BIND_AUTO_CREATE);            }        });    }//  匿名内部类    private ServiceConnection conn = new ServiceConnection() {//      当service连接失败时候调用此方法        @Override        public void onServiceDisconnected(ComponentName name) {            // TODO 自动生成的方法存根            Log.i(TAG, "----->>onServiceDisconnected");            myService = null;        }//      当service连接成功时候调用此方法，在Service中调用onBind方法时，返回一个ibinder对象到此方法中        @Override        public void onServiceConnected(ComponentName name, IBinder service) {            // TODO 自动生成的方法存根//          调用在内部类ServiceBinder中的getService方法；            myService = ((MyService.ServiceBinder) service).getService();            Log.i(TAG, "----->>onServiceConnected");        }    };}

package com.example.bindservice;import android.app.Service;import android.content.Intent;import android.os.Binder;import android.os.IBinder;import android.util.Log;/** * @author HD * @date 2015-11-18 * @package_name com.example.bindservice * @file_name MyService.java */public class MyService extends Service {    private static final String TAG = "MyService";    boolean threadDisable;    int count;    public MyService() {        // TODO 自动生成的构造函数存根    }    @Override    public void onCreate() {        // TODO 自动生成的方法存根        super.onCreate();        Log.i(TAG, "------>>onCreate");//      在新的线程中启动count++;        new Thread(new Runnable() {            public void run() {                while (!threadDisable) {                    try {                        Thread.sleep(1000);                    } catch (InterruptedException e) {                    }                    count++;                    Log.v("CountService", "Count is" + count);                }            }        }).start();    }//  返回一个实现了IBinder接口的对象;    @Override    public IBinder onBind(Intent intent) {        // TODO 自动生成的方法存根        Log.i(TAG, "------>>onBind");        ServiceBinder binder = new ServiceBinder();        return binder;    }//  当解除绑定时候调用这个方法;    @Override    public boolean onUnbind(Intent intent) {        // TODO 自动生成的方法存根        Log.i(TAG, "------>>onUnbind");        return super.onUnbind(intent);    }    @Override    public void onDestroy() {        // TODO 自动生成的方法存根        Log.i(TAG, "------>>onDestroy");        super.onDestroy();        this.threadDisable = true;    }//  内部类，作为一个Service与Activity的接口    class ServiceBinder extends Binder {        public MyService getService() {            return MyService.this;        }    }}

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.bindservice"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="14"        android:targetSdkVersion="21" />    <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name=".MainActivity"            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=".MyService"></service>    </application></manifest>

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