Android Open Source - Andriod-PC-GPSApplication Start

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License

The source code is released under:

MIT License

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Java Source Code

package com.example.appxgpsmodule;
// w  w  w  .  j  ava2 s . c  o  m
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Scanner;

import com.example.appxgpsmodule.storage.ExternalStorageReader;

import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.Toast;

public class Start extends Activity {

  private ServerSocket server = null;
  private Handler serverHandler = null;
  private String serverStatus = "OFF";
  private final static int SERVER_PORT = 38000;
  
  private final static String EOD_FLAG = "END" + "\n";
  
//  private final String FILE_LOCATION = "/sdcard/GPSLogger/20140827.txt";
  
  private final static String FILE_LOCATION = "/sdcard/GPSLogger/";
  private final static String FILE_EXTENSION = ".txt";

  
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_publish_gpscoordinates);
    serverHandler = new Handler();

  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.publish_gpscoordinates, menu);
    return true;
  }

  /**
   * @param view
   */
  public void publishGpsCoordinates(View view) {

    /*
     * Intent intent = new Intent(this, ServerSocket_.class);
     * 
     * startActivity(intent);
     */
    new Thread(initializeServerSocket).start();

  }

  private Runnable initializeServerSocket = new Thread() {

    @Override
    public void run() {

      Socket serverChannel = null;

      try {
        server = new ServerSocket(SERVER_PORT);
        //server.setSoTimeout(1000 * 10);
        
        for(;;){
          serverChannel = server.accept();
          
          
          
          // Globals. serverChannel.getInputStream()
          Globals.socketIn = new Scanner(serverChannel.getInputStream());
          
          Globals.socketOut = new PrintWriter(
              serverChannel.getOutputStream());
          
          /*
          String out = "This is test data" + "\n";
          Globals.socketOut.print(out);
          Globals.socketOut.print(EOD_FLAG);
          Globals.socketOut.flush();
          
          */
          
          
          ExternalStorageReader.readExStorage(new File(getFileName()), Start.this);
          
          //TODO: Read GPS data from the sd card and push it over usb cable.
          
          
          serverStatus = "Served client";
          serverHandler.post(showToast);
        }

      } catch (Exception e) {

        try {
          if(server !=null) {server.close();}
        } catch (IOException e1) {
          // TODO Auto-generated catch block
          e1.printStackTrace();
        }

        serverStatus = "Error occured, shutting down the server";
        serverHandler.post(showToast);
      }

    }

  };
  
  
  
  /**
   * @return - Current date.
   */
  private static String getFileName(){
    Calendar today = Calendar.getInstance();
    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
    return FILE_LOCATION.intern() + dateFormat.format(today.getTime()) + FILE_EXTENSION.intern();
  }
  
  

  private Runnable showToast = new Thread() {

    @Override
    public void run() {

      Toast.makeText(Start.this, serverStatus,
          Toast.LENGTH_SHORT).show();
    }

  };
  

}

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