Android Open Source - smsportal-app S M S Service

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Back to project page smsportal-app.

License

The source code is released under:

MIT License

Java Source Code

package com.sms;
//  w  ww .j ava2  s.c o  m
import java.util.ArrayList;
import java.util.Calendar;

import android.annotation.SuppressLint;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.util.Log;
import android.widget.Toast;

public class SMSService extends Service {
  private static final String TAG = "SMSService";
  private static int DELTA = 10;
  private static final int DELTA_MULTIPLIER = 3;
  private static final int START_DELTA = 10;
  private static final int MAX_DELTA = 600;
  private static boolean isRunning = false;
  
  // Messages
  public static final int NEW_DELAY = 0;
    public static final int MSG_REGISTER_CLIENT = 1;
    public static final int MSG_UNREGISTER_CLIENT = 2;
    ArrayList<Messenger> mClients = new ArrayList<Messenger>(); // Keeps track of all current registered clients.
    final Messenger mMessenger = new Messenger(new IncomingHandler()); // Target we publish for clients to send messages to IncomingHandler.


    @Override
    public IBinder onBind(Intent intent) {
        return mMessenger.getBinder();
    }
    @SuppressLint("HandlerLeak")
  class IncomingHandler extends Handler { // Handler of incoming messages from clients.
        @Override
        public void handleMessage(Message msg) {
            switch (msg.what) {
            case MSG_REGISTER_CLIENT:
                mClients.add(msg.replyTo);
                break;
            case MSG_UNREGISTER_CLIENT:
                mClients.remove(msg.replyTo);
                break;
            default:
                super.handleMessage(msg);
            }
        }
    }
  
    private void sendMessageToUI(int delta) {
        for (int i=mClients.size()-1; i>=0; i--) {
            try {
                // Send data as an Integer
                mClients.get(i).send(Message.obtain(null, NEW_DELAY, delta, 0));

            } catch (RemoteException e) {
                // The client is dead. Remove it from the list; we are going through the list from back to front so this is safe to do inside the loop.
                mClients.remove(i);
            }
        }
    }

  @Override
  public void onCreate() {
    // TODO Auto-generated method stub
    Toast.makeText(getApplicationContext(), "SMSService Created", Toast.LENGTH_SHORT).show();
    isRunning = true;
    super.onCreate();
  }

  @Override
  public void onDestroy() {
    // TODO Auto-generated method stub
    Toast.makeText(getApplicationContext(), "SMSService Destroy", Toast.LENGTH_SHORT).show();
    super.onDestroy();
    isRunning = false;
  }
  
    private boolean isNetworkConnected() {
        final ConnectivityManager conMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
        final NetworkInfo activeNetwork = conMgr.getActiveNetworkInfo();
        return activeNetwork != null && activeNetwork.getState() == NetworkInfo.State.CONNECTED;
   }

  @Override
  public int onStartCommand(Intent intent, int flags, int startId) {
    // TODO Auto-generated method stub
    Toast.makeText(getApplicationContext(), "SMSService Running ", Toast.LENGTH_SHORT).show();
    
    if (isNetworkConnected()){
      new RetreiveMessageTask().execute(Defaults.URL);
    }
    

        Calendar cal = Calendar.getInstance();
        cal.add(Calendar.SECOND, DELTA);
      Log.v(TAG, "Resetting next fetch in : " + DELTA + " seconds");
      sendMessageToUI(DELTA);
       
        PendingIntent pintent = PendingIntent.getService(this, 0, intent, 0);
        
        AlarmManager alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
        alarm.set(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), pintent);
        
    return super.onStartCommand(intent, flags, startId);
  }

  public static void resetDelta() {
    DELTA = START_DELTA;    
  }

  public static void increaseDelta() {
    DELTA *= DELTA_MULTIPLIER;
    if (DELTA > MAX_DELTA){
      DELTA = MAX_DELTA;
    }
    
  }
  
    public static boolean isRunning()
    {
        return isRunning;
    }

}

Java Source Code List

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