// IMyAidlInterface.aidl
package com.skl.myapplication;// Declare any non-default types here with import statementsinterface IMyAidlInterface {/*** Demonstrates some basic types that you can use as parameters* and return values in AIDL.*/String getTime();
}

   ERROR: Process 'command '......finished with non-zero exit value -1073741819

 package com.skl.myapplication;import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Log;public class RemoteService extends Service {@Overridepublic void onCreate() {super.onCreate();Log.e("test", "onCreate");}@Overridepublic IBinder onBind(Intent intent) {// TODO: Return the communication channel to the service.Log.e("test", "onBind");return stub;}@Overridepublic int onStartCommand(Intent intent, int flags, int startId) {//return super.onStartCommand(intent, flags, startId);Log.e("test", "onStartCommand");// TODO handleCommand(intent); // 比如处理播放，暂停，上一首，下一首等命令; 多次startService(intentCommond),多次该回调return START_STICKY;// 如果service进程被kill掉，保留service的状态为开始状态，但不保留递送的intent对象。// 随后系统会尝试重新创建service，由于服务状态为开始状态，所以创建服务后一定会调用onStartCommand(Intent,int,int)方法。// 如果在此期间没有任何启动命令被传递到service，那么参数Intent将为null}@Overridepublic boolean onUnbind(Intent intent) {Log.e("test", "onUnbind");return super.onUnbind(intent);}@Overridepublic void onDestroy() {super.onDestroy();Log.e("test", "onDestroy");}private IMyAidlInterface.Stub stub = new IMyAidlInterface.Stub() {@Overridepublic String getTime() throws RemoteException {return "时间就是等待，就是金钱！";}};
}

<application
.......
<serviceandroid:process=":remote"android:name=".RemoteService"android:enabled="true"android:exported="true"><!--必须添加一个筛选action - 隐式调用--><intent-filter><action android:name="com.hl.loginservice"/></intent-filter></service>
.......
</application>

package com.skl.testremoteservice;import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.os.RemoteException;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;import com.skl.myapplication.IMyAidlInterface;public class MainActivity extends AppCompatActivity {private IMyAidlInterface iMyAidlInterface;public static final String NAME_REMOTE_SERVICE = "com.skl.myapplication.RemoteService" ;public static final String PACKAGE_REMOTE_SERVICE = "com.skl.myapplication" ;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);Intent intent = new Intent();// 隐式启动，可以不用设置Action// intent.setAction("com.hl.loginservice");// android 5.0以后直设置action不能启动相应的服务，需要设置packageName或者Componentintent.setPackage("com.skl.myapplication");// 显示调用需要设置ComponentName//        ComponentName componentName = new ComponentName(PACKAGE_REMOTE_SERVICE ,NAME_REMOTE_SERVICE);//        intent.setComponent (componentName );bindService(intent, serviceConnection, BIND_AUTO_CREATE);}/*** 调用者与Service交互的枢纽* https://developer.android.google.cn/reference/android/content/ServiceConnection*/private ServiceConnection serviceConnection = new ServiceConnection() {@Overridepublic void onServiceConnected(ComponentName name, IBinder service) {// 获取Binder的接口(代理实例对象)// return new com.skl.testremoteservice.IMyAidlInterface.Stub.Proxy(obj);iMyAidlInterface = IMyAidlInterface.Stub.asInterface(service);try {// 获取服务时间Log.e("test", iMyAidlInterface.getTime());} catch (RemoteException e) {e.printStackTrace();}}@Overridepublic void onServiceDisconnected(ComponentName name) {}};@Overrideprotected void onDestroy() {super.onDestroy();if (null != serviceConnection) {unbindService(serviceConnection);}}
}

   package com.skl.myapplication;import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.Service;
import android.content.Intent;
import android.graphics.BitmapFactory;
import android.os.IBinder;
import android.os.RemoteException;
import android.support.v4.app.NotificationCompat;
import android.util.Log;import org.json.JSONException;
import org.json.JSONObject;import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.text.SimpleDateFormat;
import java.util.Date;public class RemoteService extends Service {// 淘宝获取服务器时间apiprivate static final String api = "http://api.m.taobao.com/rest/api3.do?api=mtop.common.getTimestamp";private boolean status = true;private String channelId = "time";private String channelName = "时间通知";private int importance = NotificationManager.IMPORTANCE_HIGH;@Overridepublic void onCreate() {super.onCreate();Log.e("test", "onCreate");createNotificationChannel(channelId, channelName, importance);// 不停请求服务，然后通知栏通知new Thread(new Runnable() {@Overridepublic void run() {while (status) {try {Thread.sleep(1000);URL url = new URL(api);URLConnection urlConnection = url.openConnection();urlConnection.connect();InputStreamReader isr = new InputStreamReader(urlConnection.getInputStream());BufferedReader br = new BufferedReader(isr);String str = "";StringBuilder sb = new StringBuilder();while ((str = br.readLine()) != null) {sb.append(str);}br.close();isr.close();String timeJson = sb.toString() + "";// {"api":"mtop.common.getTimestamp","v":"*",// "ret":["SUCCESS::接口调用成功"],// "data":{"t":"1569228479436"}}// Log.e("test", "timeJson=" + timeJson);JSONObject jsonObject = new JSONObject(timeJson);jsonObject = jsonObject.getJSONObject("data");String time = jsonObject.getString("t");// Log.e("test", "time=" + time);// status做容错性判断SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");String timeStr = simpleDateFormat.format(new Date(Long.parseLong(time)));if (status) {// id不同则会显示多条通知sendTimeMsg(100, timeStr);}} catch (MalformedURLException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();} catch (JSONException e) {e.printStackTrace();} catch (InterruptedException e) {e.printStackTrace();}}}}).start();}@Overridepublic IBinder onBind(Intent intent) {// TODO: Return the communication channel to the service.Log.e("test", "onBind");return stub;}@Overridepublic int onStartCommand(Intent intent, int flags, int startId) {//return super.onStartCommand(intent, flags, startId);Log.e("test", "onStartCommand");// TODO handleCommand(intent); // 比如处理播放，暂停，上一首，下一首等命令; 多次startService(intentCommond),多次该回调return START_STICKY;// 如果service进程被kill掉，保留service的状态为开始状态，但不保留递送的intent对象。// 随后系统会尝试重新创建service，由于服务状态为开始状态，所以创建服务后一定会调用onStartCommand(Intent,int,int)方法。// 如果在此期间没有任何启动命令被传递到service，那么参数Intent将为null}@Overridepublic boolean onUnbind(Intent intent) {Log.e("test", "onUnbind");return super.onUnbind(intent);}@Overridepublic void onDestroy() {super.onDestroy();status = false;// 退出了服务，清除通知NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);manager.cancel(100);Log.e("test", "onDestroy");}private IMyAidlInterface.Stub stub = new IMyAidlInterface.Stub() {@Overridepublic String getTime() throws RemoteException {return "时间就是等待，就是金钱！";}};/*** 创建通知渠道* @param channelId* @param channelName* @param importance*/private void createNotificationChannel(String channelId, String channelName, int importance) {if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {NotificationChannel channel = new NotificationChannel(channelId, channelName, importance);NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);notificationManager.createNotificationChannel(channel);}}/*** 发送时间通知*/private void sendTimeMsg(int id, String time) {NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);Notification notification = new NotificationCompat.Builder(this, time).setContentTitle("时间").setContentText(time).setWhen(System.currentTimeMillis()).setSmallIcon(R.mipmap.ic_launcher).setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher)).setAutoCancel(true).build();manager.notify(id, notification);}
}

       // @hl 启动远程服务Intent remoteService = new Intent(this, RemoteService.class);startService(remoteService); // 其他客户端绑定也可以，但是解绑了，通知也会停止bindService(intent, serviceConnection, BIND_AUTO_CREATE);