Android Open Source - screenstandby Server Service

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License

The source code is released under:

GNU General Public License

Java Source Code

/*******************************************************************************
 * Copyright (c) 2014 Hoang Nguyen./*  www  . jav  a  2s . c  o m*/
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     Hoang Nguyen - initial API and implementation
 ******************************************************************************/
package com.nkahoang.screenstandby.remotecontrol;

import com.nkahoang.screenstandby.R;
import com.nkahoang.screenstandby.RemoteServerActivity;

import android.app.Notification;
import android.app.PendingIntent;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.IBinder;

public class ServerService extends Service {
  public ServerService() {
  }

  final String ACTION_START_SERVER = "com.nkahoang.screenstandby.action.START_SERVER";
  final String ACTION_START_STOP = "com.nkahoang.screenstandby.action.STOP_SERVER";
  private IntentFilter filter;
  private final IBinder mBinder = new ServiceBinder(this);
  public static boolean isRunning = false;
  private OnStateChangedHandler serverStateChangedHandler;
  private OnClientStateChangedHandler clientStateChangedHandler;
  
  static Core remoteCore = null;
  
  @Override
  public void onCreate()
  {
    filter = new IntentFilter(ACTION_START_STOP);
    this.registerReceiver(bReceiver, filter);
    super.onCreate();  
  }
  
  @Override
  public void onDestroy()
  {
    super.onDestroy();
    stopServer();
  }
  
  public void stopServer()
  {
    if (isRunning)
    {
      isRunning = false;
      remoteCore.stopServer();
      remoteCore = null;
      serverStateChangedHandler = null;
      clientStateChangedHandler = null;
  
      try
      {
        if (filter!= null) this.unregisterReceiver(bReceiver);
        this.stopForeground(true);
      }
      catch(Exception ex){}
    }
  }
  
  public Core getRemotingCore()
  {
    return remoteCore;
  }
  
  public void setOnServerStateChangedListener(OnStateChangedHandler handler)
  {
    serverStateChangedHandler = handler;
    if (remoteCore != null)
      remoteCore.setOnStateChangedListener(handler);
  }
  public void setOnClientStateChangedListener(OnClientStateChangedHandler handler)
  {
    clientStateChangedHandler = handler;
    if (remoteCore != null)
      remoteCore.setOnClientStateChangedListener(handler);
  }
  public int getServerState()
  {
    return (remoteCore != null)?remoteCore.getServerState():Core.STATE_NOTHING;
  }
  
  public void startServer()
  {
    Intent remoteActivityIntent = new Intent(ServerService.this, RemoteServerActivity.class);
    PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, remoteActivityIntent, PendingIntent.FLAG_CANCEL_CURRENT);
        Notification notify = new Notification();
        notify.icon = R.drawable.receiverico;
        notify.setLatestEventInfo(this, "Remote receiver is active", "Click here to open receiver interface", pendingIntent);
        this.startForeground(R.string.service_remote_receiver, notify);
        remoteCore = new Core(ServerService.this);
        remoteCore.startServer();
        if (serverStateChangedHandler != null) remoteCore.setOnStateChangedListener(serverStateChangedHandler);
        if (clientStateChangedHandler != null) remoteCore.setOnClientStateChangedListener(clientStateChangedHandler);
        isRunning = true;
  }
  
  @Override
  public int onStartCommand(Intent intent, int flags, int startId)
  {
    return Service.START_NOT_STICKY;
  }
  
  @Override
  public IBinder onBind(Intent intent) {
    return mBinder;
  }
    
  private BroadcastReceiver bReceiver = new BroadcastReceiver()
  {
    @Override
    public void onReceive(Context context, Intent intent) {
      if (intent.getAction().equals(ACTION_START_STOP))
      {
        ServerService.this.stopSelf();
      }
    }
  };
}

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