BindService()

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1.BindService()

bindService()构造方法

** @params  service  指定调用的intent* @params  conn  ServiceConnection用于通信* @params  flags  标记位*public boolean bindService(Intent service, ServiceConnection conn, int flags) {return mBase.bindService(service, conn, flags);}

2.继承onBind()方法

此方法会返回一个IBinder接口，得到IBinder接口的三种方式

继承Binder类
使用Messenger
使用AIDL

1.继承Binder类

  @Overridepublic IBinder onBind(Intent intent) {    //返回Binder对象    MyBind myBind = new MyBind();    return myBind;}//继承Binder类public class MyBind extends Binder {    MyBindService getService() {        return MyBindService.this;    }}//在ServiceConnection使用private ServiceConnection connection = new ServiceConnection() {    @Override    public void onServiceConnected(ComponentName name, IBinder service) {        MyBindService.MyBind myBind = (MyBindService.MyBind) service;        MyBindService service = myBind.getService();        //就可以调用Service中的方法    }    @Override    public void onServiceDisconnected(ComponentName name) {    }};

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