Location

package com.example.lf;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.Locale;
import java.util.Timer;
import java.util.TimerTask;

import org.apache.http.client.ClientProtocolException;

import android.app.Activity;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;


public class MainActivity extends Activity implements LocationListener{

   
    protected LocationManager locationManager;
    protected LocationListener locationListener;
    protected Context context;
    TextView txtLat,tv;
    String lat;
    String provider;
    protected static double latitude,longitude; 
    protected boolean gps_enabled,network_enabled;
    String busname="Kushavathi";
    String s = null;
    RelativeLayout rl;
    Button b1;
	private float accuracy;
	private double altitude;
	TextToSpeech ttobj;
      
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        rl=(RelativeLayout)findViewById(R.id.rl);
        txtLat = (TextView) findViewById(R.id.textview1);
        /*b1=new Button(this);
        b1.setText("Get Loc");
        b1.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				
				try{
				connectWithHttpGet();
				}
				catch(Exception e){
					Toast.makeText(getApplicationContext(), e.toString(),Toast.LENGTH_LONG).show();
				}
			}
		});
        
       rl.addView(b1);*/
        
        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, this);
        
        ttobj=new TextToSpeech(getApplicationContext(), 
        	      new TextToSpeech.OnInitListener() {
        	      @Override
        	      public void onInit(int status) {
        	         if(status != TextToSpeech.ERROR){
        	             //ttobj.setLanguage(Locale.UK);
        	        	 ttobj.setLanguage(Locale.ENGLISH);
        	            }				
        	         }
        	      });
        	   
       
        Timer m=new Timer();
        m.schedule(new TimerTask() {
			
			@Override
			public void run() {
				// TODO Auto-generated method stub
				try{
					 
				connectWithHttpGet();
				}
				catch(Exception e){ }
				
			}
		},20000,8000);
    }

    @Override
	   public void onPause(){
	      if(ttobj !=null){
	         ttobj.stop();
	         ttobj.shutdown();
	      }
	      super.onPause();
	   }
    @Override
    public void onResume()
    {
    	super.onResume();
    	 ttobj=new TextToSpeech(getApplicationContext(), 
       	      new TextToSpeech.OnInitListener() {
       	      @Override
       	      public void onInit(int status) {
       	         if(status != TextToSpeech.ERROR){
       	             //ttobj.setLanguage(Locale.UK);
       	        	 ttobj.setLanguage(Locale.ENGLISH);
       	            }				
       	         }
       	      });
    }

    public boolean isOnline(Context c) {
    	ConnectivityManager cm = (ConnectivityManager) c
    	.getSystemService(Context.CONNECTIVITY_SERVICE);
    	NetworkInfo ni = cm.getActiveNetworkInfo();
    	 
    	if (ni != null && ni.isConnected())
    	  return true;
    	else
    	  return false;
    	}
    
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }


	@Override
	public void onLocationChanged(Location location) {
		// TODO Auto-generated method stub
		txtLat = (TextView) findViewById(R.id.textview1);
		
		latitude=location.getLatitude();
		longitude=location.getLongitude();
		//txtLat.setText("Latitude:" + latitude + ", Longitude:" + longitude );
		
		/*try{
			connectWithHttpGet();
		}
		catch(Exception e){ };*/
		
	}

private void connectWithHttpGet() throws InterruptedException {

	 if (!isOnline(this))
	 {
		 Toast.makeText(getApplicationContext(), "hhh", Toast.LENGTH_SHORT).show();
		 return;
	 }
        
		// Connect with a server is a time consuming process.
		//Therefore we use AsyncTask to handle it
		// From the three generic types;
		//First type relate with the argument send in execute()
		//Second type relate with onProgressUpdate method which I haven't use in this code
		//Third type relate with the return type of the doInBackground method, which also the input type of the onPostExecute method
		class HttpGetAsyncTask extends AsyncTask<String, Void, String>{

			
			
			@Override
			protected String doInBackground(String... params) {

				// As you can see, doInBackground has taken an Array of Strings as the argument
				//We need to specifically get the givenUsername and givenPassword
				
				// Create an intermediate to connect with the Internet
				//HttpClient httpClient = new DefaultHttpClient();

				// Sending a GET request to the web page that we want
				// Because of we are sending a GET request, we have to pass the values through the URL
				//HttpGet httpGet = new HttpGet("http://jnnce.ac.in/cse/atd.php");

				try {
					String link="http://jnnce.ac.in/cse/loc.php";
 			  				
					String data  = "busname="+busname+"&lat="+latitude+"&long="+longitude;
					//txtLat=(TextView) findViewById(R.id.textview1);
		            //txtLat.setText(link);
		            URL url = new URL(link);
		            URLConnection conn = url.openConnection(); 
		            conn.setDoOutput(true); 
		            
		            OutputStreamWriter wr = new OutputStreamWriter
		            (conn.getOutputStream()); 
		            wr.write(data); 
		            wr.flush(); 
		            
		            BufferedReader reader = new BufferedReader
		            (new InputStreamReader(conn.getInputStream()));
		            StringBuilder sb = new StringBuilder();
		            String line = null;
		            // Read Server Response
		            while((line = reader.readLine()) != null)
		            {
		               sb.append(line);
		               break;
		            }
		            return sb.toString();
		            //return "";

				} catch (ClientProtocolException cpe) {
					System.out.println("Exceptionrates caz of httpResponse :" + cpe);
					s="e1";
					cpe.printStackTrace();
					Toast.makeText(getApplicationContext(), cpe.toString(),Toast.LENGTH_LONG).show();
				} catch (IOException ioe) {
					System.out.println("Secondption generates caz of httpResponse :" + ioe);
					s=ioe.toString();
					ioe.printStackTrace();
					Toast.makeText(getApplicationContext(), ioe.toString(),Toast.LENGTH_LONG).show();
				}
				catch(Exception e)
				{
					Toast.makeText(getApplicationContext(), e.toString(),Toast.LENGTH_LONG).show();
				}

				return s;
			}

			// Argument comes for this method according to the return type of the doInBackground() and
			//it is the third generic type of the AsyncTask
			@Override
			protected void onPostExecute(String result) {
				super.onPostExecute(result);
				//if(result.length()>0)
				  s=result;
				
				//Toast.makeText(getApplicationContext(), "HTTP GET is working...", Toast.LENGTH_LONG).show();
				MainActivity.this.donext();	
			/*	if(result.equals("working")){
					Toast.makeText(getApplicationContext(), "HTTP GET is working...", Toast.LENGTH_LONG).show();
				}else{
					Toast.makeText(getApplicationContext(), "Invalid...", Toast.LENGTH_LONG).show();
				}	*/			
			}			
		}

		// Initialize the AsyncTask class
		try{
		HttpGetAsyncTask httpGetAsyncTask = new HttpGetAsyncTask();
		// Parameter we pass in the execute() method is relate to the first generic type of the AsyncTask
		// We are passing the connectWithHttpGet() method arguments to that
		httpGetAsyncTask.execute();
		}
		catch(Exception e)
		{
			txtLat = (TextView) findViewById(R.id.textview1);
			txtLat.setText(e.toString());
					
		}
		
	}


public void donext()
{
	//Toast.makeText(getApplicationContext(),s, Toast.LENGTH_LONG).show();
	txtLat = (TextView) findViewById(R.id.textview1);
	txtLat.setText(s);
	ttobj.speak(s, TextToSpeech.QUEUE_FLUSH, null);
	
	
}	
	
	
	
	@Override
	public void onProviderDisabled(String arg0) {
		// TODO Auto-generated method stub
		Log.d("Latitude","disable");	
	}


	@Override
	public void onProviderEnabled(String arg0) {
		// TODO Auto-generated method stub
		Log.d("Latitude","enable");	
	}


	@Override
	public void onStatusChanged(String arg0, int arg1, Bundle arg2) {
		// TODO Auto-generated method stub
		Log.d("Latitude","status");
	}
}