使用android中的AIDL让Service与Activity通信[转]

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首先建立一个ICallback.aidl文件,作为Activity中的回调方法

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然后再建立一个IService.aidl用来在Activity中接收Service回调,以及在Service中onBind时返回的Binder
注意:aidl中import不能写com.xxx.*,要写全类的路径

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接下来是service:
MainService.java

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packagecom.zhang.test.service;
importandroid.app.Service;
importandroid.content.Intent;
importandroid.os.Handler;
importandroid.os.IBinder;
importandroid.os.Message;
importandroid.os.RemoteCallbackList;
importandroid.os.RemoteException;
importandroid.util.Log;
publicclassMainServiceextendsService{
privatestaticfinalStringTAG="MainService";
privateRemoteCallbackList<icallback>mCallbacks=newRemoteCallbackList<icallback>();
privateIService.StubmBinder=newIService.Stub(){
@Override
publicvoidunregisterCallback(ICallbackcb){
if(cb!=null){
mCallbacks.unregister(cb);
}
}
@Override
publicvoidregisterCallback(ICallbackcb){
if(cb!=null){
mCallbacks.register(cb);
}
}
};
@Override
publicIBinderonBind(Intentintent){
Log.d(TAG,"onBind");
returnmBinder;
}
@Override
publicvoidonCreate(){
Log.d(TAG,"onCreate");
//这里不知道为什么,直接使用callback方法回调showResult
//mCallbacks.beginBroadcast()是0,需要用handler延迟1000毫秒
//也许是在activity中binService太耗时的原因?
mHandler.sendEmptyMessageDelayed(0,1000);
super.onCreate();
}
@Override
publicvoidonDestroy(){
mHandler.removeMessages(0);
mCallbacks.kill();
super.onDestroy();
}
privatevoidcallBack(){
int

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