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How to start new activity when click on a listview and pause the process that is being in background

Greenhorn

Posts: 20

posted 13 years ago

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I have a list view that is continuing getting that from server after every 3 seconds getting new data from server this listview has row like the following

-----------------------------------------------------

[TextView] [Button][Button][Button] [TextView1] [TextView2] [TextView3] [TextView4]

the code i am using for listview row click event is

the class code i am using for this activity is.................

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Color;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View.OnClickListener;

import android.view.View;
import android.view.ViewGroup;

import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public  class BaseActivity extends Activity  {

private ListView list =null;
	private NotificationManager mNotificationManager;

private final int NOTIFICATION_ID = 1010;
	private Timer timer = new Timer();
	private  String response;
	protected Dialog m_ProgressDialog;
	String[] operatorList,operatorDetail,operatordetail,tempoperatordata;
	String[] noofvisitors,opt;
	private static final String DEB_TAG = "Error Message";
	public static ArrayList<String> SessionText,IPText,DurationText;
	private ArrayList<String> StatusText,NoOfVisit,ButtonText;
	private int sizeoflist;
	private String IP;
	Context context;
	public static String from,sessionid,id,text,iptext,status;
	private int position,noofchat;
	private boolean IsSoundEnable,IsChatOnly;
	private Button logout;

NotificationManager notificationManager;

final HashMap<String, String> postParameters = new HashMap<String, String>();
	private String url;

private Handler handler;

private void TimerMethod()
	{
		//This method is called directly by the timer
		//and runs in the same thread as the timer.

//We call the method that will work with the UI
		//through the runOnUiThread method.
		this.runOnUiThread(Timer_Tick);

}

private Runnable Timer_Tick = new Runnable() {
		public void run() {

//This method runs in the same thread as the UI.

getVisitorDetailFromServer();

try {
				Log.i("UPDATE", "Handler called");

list.invalidateViews();

} catch(Exception e) {
				Log.e("UPDATE ERROR", e.getMessage());
			}

}
	};

@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.visitor);

list = (ListView) findViewById(R.id.list01);

logout = (Button) findViewById(R.id.btnlogout);

//-----------------Making the object of arrayList----------------

SessionText = new ArrayList<String>();
		IPText = new ArrayList<String>();
		DurationText = new ArrayList<String>();
		StatusText = new ArrayList<String>();
		NoOfVisit = new ArrayList<String>();
		ButtonText = new ArrayList<String>();

Bundle extras = getIntent().getExtras();
		if (extras != null) {
			IsSoundEnable = Controls.IsSoundEnable;
			IsChatOnly = Controls.IsChatOnly;
			IsSoundEnable = extras.getBoolean("IsSoundOnly", Controls.IsSoundEnable);
			IsChatOnly= extras.getBoolean("IsCOnlyhat", Controls.IsChatOnly);
			extras.getString("From");
			position=extras.getInt("Position");

}

@Override
	protected void onStart() {

super.onStart();

//------------Getting the visitor detail-------------------------

timer.schedule(new TimerTask() {
			public void run() {
				TimerMethod();
			}

}, 0, 3000);

//---------------When user click on logout button-----------------------------------

logout.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {
				// TODO Auto-generated method stub
				logoutFromServer();

}

});

}

//----------------------------Getting the detail from server of monitoring window-------------------------

private void getVisitorDetailFromServer() {
		// TODO Auto-generated method stub

url = "http://sa.live2support.com/cpn/wz1-allonlineu.php?";
		postParameters.put("adminid",Main.loginId.getText().toString());
		postParameters.put("sid",Main.siteId.getText().toString());
		postParameters.put("nvar","Y");
		postParameters.put("conly", "N");

Runnable searchThread = new Runnable(){

public void run() {
				// TODO Auto-generated method stub

try {

response = CustomHttpClient.executeHttpPost1(url,postParameters);

Log.i(DEB_TAG, "Requesting to server"+response);
					//CustomHttpClient.getResponseInString(response );

//System.out.println("Output of httpResponse:"+response);

String result = response;
					result = response;

String delimiter1 = "<ln>";
					String delimiter = "<fld>";

operatorDetail = result.split(delimiter1);
					sizeoflist = operatorDetail.length;

System.out.println("operatordetail length"+operatorDetail.length);

System.out.println("firstresponse================"+operatorDetail[0]);

if(sizeoflist!=operatorDetail.length){

System.out.println("List Size is null");
						sizeoflist = operatorDetail.length;
					}

operatorDetail = result.split(delimiter1);

//--------Getting the size of the list---------------------

} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				if(response!=null){

runOnUiThread(new Runnable() {

public void run() {
							// TODO Auto-generated method stub
							//playsound3();
							noofchat =0;

list.setAdapter(new CustomAdapter(BaseActivity.this));

list.getDrawingCache(false);
							list.invalidateViews();
							list.setCacheColorHint(Color.TRANSPARENT);
							list.requestFocus(0);
							list.setSelected(false);

}

});
				}

else {

ShowAlert();
				}

}
		};

Thread thread =  new Thread(null, searchThread, "MagentoBackground");
		thread.start();

}

@Override
	public void onDestroy()
	{

super.onDestroy();
	}

//--------------------When internet connection is failed show alert

private void ShowAlert() {
		// TODO Auto-generated method stub
		AlertDialog.Builder builder = new AlertDialog.Builder(this);
		final AlertDialog alert = builder.create();
		alert.setTitle("Live2Support");
		alert.setMessage("Internet Connection failed");
		alert.setButton("OK", new DialogInterface.OnClickListener() {

public void onClick(DialogInterface dialog, int which) {
				// TODO Auto-generated method stub
				//startActivity(new Intent(CreateAccount.this,CreateAccount.class));
				alert.dismiss();

}
		});

alert.show();
	}

//------------------------Getting the notification of no.of visitor on the site---------------------------

private void triggerNotification() {
		// TODO Auto-generated method stub
		CharSequence title = "No Of visitors";
		CharSequence message = "New visit";
		NotificationManager notificationManager = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
		Notification notification = new Notification(R.drawable.icon, noofvisitors[0], System.currentTimeMillis());
		notification.flags |= Notification.FLAG_AUTO_CANCEL;

Intent notificationIntent = new Intent(this, L2STest.class);
		PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);

notification.setLatestEventInfo(BaseActivity.this, title, noofvisitors[0], pendingIntent);
		notificationManager.notify(NOTIFICATION_ID, notification);
		playsound4();

}

public void completed()    {
		//remove the notification from the status bar
		mNotificationManager.cancel(NOTIFICATION_ID);
	}

private void playsound4() {
		// TODO Auto-generated method stub
		MediaPlayer mp = MediaPlayer.create(this, R.raw.newvisitsound);

mp.start();

}

//-----------------Logout from server--------------------

private void logoutFromServer() {
		// TODO Auto-generated method stub
		final String url = "http://sa.live2support.com/cpn/wz-adminout.php?";

final HashMap<String, String> postParameters = new HashMap<String, String>();

postParameters.put("adminid",Main.loginId.getText().toString());
		postParameters.put("sid",Main.siteId.getText().toString());

Runnable searchThread = new Runnable(){

public void run() {
				// TODO Auto-generated method stub

try {
					response = CustomHttpClient.executeHttpPost1(url,postParameters);

Log.i(DEB_TAG, "Requesting to server"+response);

//CustomHttpClient.getResponseInString(response );

System.out.println("Output of httpResponse:"+response);

//timer.cancel();

} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				if(response!=null){

runOnUiThread(new Runnable() {

public void run() {
							// TODO Auto-generated method stub
							//	notificationManager.cancelAll();]

timer.cancel();
							System.out.println(response);
							showAlert1();
							Log.e(DEB_TAG, response);
							//System.exit(0);
							Intent intent = new Intent(BaseActivity.this,Main.class);
							startActivity(intent);
							//closeHandler();

}

});
				}

}

};

Thread thread =  new Thread(null, searchThread, "MagentoBackground");
		thread.start();

}

public void closeHandler() {
		// TODO Auto-generated method stub

handler.post(new QuitLooper());

}

class QuitLooper implements Runnable
	{
		@Override
		public void run() 
		{
			Looper.myLooper().quit();
		}
	}

//----------------------Logout alert when user click on logout button------------------

private void showAlert1() {
		// TODO Auto-generated method stub
		int duration = Toast.LENGTH_SHORT;
		Context context = getApplicationContext();
		CharSequence text = "You have Successfully logout.";
		Toast toast = Toast.makeText(context, text, duration);
		toast.setGravity(Gravity.TOP|Gravity.LEFT, 200, 200);
		toast.show();
	}

//-------------------Play sound3 when any new user visit----------------

private void playsound3() {
		// TODO Auto-generated method stub
		MediaPlayer mp = MediaPlayer.create(this, R.raw.newvisitors);

mp.start();

}

//------------------The adapter class------------------------------

private class CustomAdapter extends BaseAdapter {
		private LayoutInflater mInflater;

public CustomAdapter(Context context) {

SessionText.clear(); 
			IPText.clear(); 
			DurationText.clear(); 
			StatusText.clear(); 
			NoOfVisit.clear(); 
			ButtonText.clear(); 
			mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
			this.notifyDataSetChanged();

}

public int getCount() {
			return operatorDetail.length;
		}

public Object getItem(int position) {
			return position;
		}

public long getItemId(int position) {
			return position;
		}

public View getView(final int position, View convertView, ViewGroup parent) {
			final ViewHolder holder;
			if (convertView == null) {

convertView = mInflater.inflate(R.layout.row1, null);
				holder = new ViewHolder();
				holder.IP = (TextView) convertView.findViewById(R.id.ip);
				holder.duration = (TextView) convertView.findViewById(R.id.duration);
				holder.status =(TextView) convertView.findViewById(R.id.status);
				holder.noOfVisit = (TextView) convertView.findViewById(R.id.NoOfvisit);
				holder.invite =(Button)convertView.findViewById(R.id.btnjoin);
				holder.deny = (Button) convertView.findViewById(R.id.btndeny);
				holder.accept = (Button) convertView.findViewById(R.id.btnaccept);

holder.deny.setVisibility(View.INVISIBLE);

holder.invite.setId(position);

convertView.setTag(holder);
			} else {
				holder = (ViewHolder) convertView.getTag();

}

String result = response;

String delimiter = "<fld>";
			String delimiter1 = "<ln>";

for(int i=0;i<operatorDetail.length;i++){
				if(operatorDetail!=null){

//System.out.println("Operator res=============="+operatorDetail[i]);

operatorList = operatorDetail[i].split(delimiter);

SessionText.add(operatorList[0]);
					IPText.add(operatorList[1]);
					DurationText.add(operatorList[4]);
					StatusText.add(operatorList[3]);
					NoOfVisit.add(operatorList[2]);
					ButtonText.add(operatorList[6]);
					
					iptext = operatorList[1];
					sessionid = operatorList[0];

if(StatusText.get(position).equalsIgnoreCase("chat request")){
						holder.deny.setVisibility(View.VISIBLE);
						holder.invite.setVisibility(View.INVISIBLE);
						holder.accept.setText("Accept");
						holder.accept.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {
							// TODO Auto-generated method stub
							holder.accept.setText("Join");
							holder.deny.setVisibility(View.INVISIBLE);
							holder.invite.setVisibility(View.INVISIBLE);
							quest(IPText.get(position), SessionText.get(position));
						}
					});

}
					else{
						holder.invite.setText("Invite");
						holder.deny.setVisibility(View.INVISIBLE);
						holder.accept.setVisibility(View.INVISIBLE);

}

//holder.invite.setText("Invite");
					//holder.deny.setVisibility(View.INVISIBLE);

holder.IP.setText(IPText.get(position));
					holder.duration.setText(DurationText.get(position));
					holder.status.setText(StatusText.get(position));
					holder.noOfVisit.setText(NoOfVisit.get(position));

if(holder.invite.getText().equals("Join")){

holder.invite.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {
								// TODO Auto-generated method stub

quest(iptext,sessionid);
							}
						});
					}

//---------------------When user click on invite Button---------------------

holder.invite.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {
							// TODO Auto-generated method stub
							callToServer(SessionText.get(position));
						}
					});

//-----------------------------When user click on deny button------------------------

holder.deny.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {
							// TODO Auto-generated method stub
							refuseToServer(sessionid);
							holder.deny.setVisibility(View.INVISIBLE);
						}

});

convertView.setOnClickListener(new OnClickListener(){

public void onClick(View v) {
							Intent i=new Intent(BaseActivity.this,VisitorDetail.class);
							i.putExtra("ID", id);
							i.putExtra("Position",position);
							i.putExtra("From", from);
							i.putExtra("SessionText", SessionText.get(position));
							i.putExtra("IPTEXT",IPText.get(position));
							startActivityForResult(i, position);
						}});

}

operatorDetail=null; 
			operatorList=null;

operatorDetail = result.split(delimiter1);

return convertView;
		}

class ViewHolder {
			TextView IP;
			TextView duration;
			Button deny;
			TextView status;
			TextView noOfVisit;
			Button invite;
			Button accept;
		}
	}

//------------------Play sound when user click on invite button-------------------------

private void playSound2() {
		// TODO Auto-generated method stub
		MediaPlayer mp = MediaPlayer.create(this, R.raw.invite);
		if(IsSoundEnable){
			mp.start();
		}
	}

//------------When user click on deny button---------------------

private void refuseToServer(String sessionid) {
		// TODO Auto-generated method stub
		final String url = "http://sa.live2support.com/cpn/wz-action.php?";

final HashMap<String, String> postParameters = new HashMap<String, String>();

postParameters.put("action","refuse");
		postParameters.put("csesid", sessionid);

postParameters.put("sid",Main.siteId.getText().toString());
		postParameters.put("adminid",Main.loginId.getText().toString());

Runnable searchThread = new Runnable(){

public void run() {
				// TODO Auto-generated method stub

try {
					response = CustomHttpClient.executeHttpPost1(url,postParameters);

Log.i(DEB_TAG, "Requesting to server"+response);
					//CustomHttpClient.getResponseInString(response );

System.out.println("Deny Chat response:"+response);

System.out.println("Deny chat Success"+IP);

} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				if(response!=null){

runOnUiThread(new Runnable() {

public void run() {
							// TODO Auto-generated method stub

System.out.println("response================="+IP);

showAlert(IP);

}

});
				}

}

};

Thread thread =  new Thread(null, searchThread, "MagentoBackground");
		thread.start();

}

//---------------------When user click on invite button-----------------------

private void callToServer(String session) {
		// TODO Auto-generated method stub

final String url = "http://sa.live2support.com/cpn/wz-action.php?";

final HashMap<String, String> postParameters = new HashMap<String, String>();

postParameters.put("action","cinvt");
		postParameters.put("csesid", session);

postParameters.put("sid",Main.siteId.getText().toString());
		postParameters.put("adminid",Main.loginId.getText().toString());

Runnable searchThread = new Runnable(){

public void run() {
				// TODO Auto-generated method stub

try {
					response = CustomHttpClient.executeHttpPost1(url,postParameters);

Log.i(DEB_TAG, "Requesting to server"+response);
					//CustomHttpClient.getResponseInString(response );

System.out.println("Output of httpResponse:"+response);

IP = response;
					System.out.println("the resultant ip ===================="+IP);

} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				if(response!=null){

runOnUiThread(new Runnable() {

public void run() {
							// TODO Auto-generated method stub
							playSound2();

System.out.println("response================="+IP);

showAlert(IP);

}

});
				}

}

};

Thread thread =  new Thread(null, searchThread, "MagentoBackground");
		thread.start();

}

//------------------Show invitation alert----------------------

private void showAlert(String ip) {
		// TODO Auto-generated method stub
		int duration = Toast.LENGTH_SHORT;
		Context context = getApplicationContext();
		CharSequence text = "Invitation sent to "+ip;
		Toast toast = Toast.makeText(context, text, duration);
		toast.setGravity(Gravity.TOP|Gravity.LEFT, 50, 50);
		toast.show();
	}

//-----------------When in response we get the chat request--------------------------

private void quest(String iptext, String sessionid) {
		// TODO Auto-generated method stub

final String url = "http://sa.live2support.com/cpn//wz1-adc.php?";

final HashMap<String, String> postParameters = new HashMap<String, String>();

postParameters.put("csesid", sessionid);
		postParameters.put("ipaddr", iptext);

postParameters.put("sid",Main.siteId.getText().toString());
		postParameters.put("adminid",Main.loginId.getText().toString());
		postParameters.put("join", "Y");

Runnable searchThread = new Runnable(){

public void run() {
				// TODO Auto-generated method stub

try {
					response = CustomHttpClient.executeHttpPost1(url,postParameters);

Log.i(DEB_TAG, "Requesting to server"+response);
					//CustomHttpClient.getResponseInString(response );

System.out.println("Output of httpResponse:"+response);

IP = response;
					System.out.println("the resultant ip ===================="+IP);

} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				if(response!=null){

runOnUiThread(new Runnable() {

public void run() {
							// TODO Auto-generated method stub
							playSound2();

System.out.println("response================="+response);

showAlert(IP);

}

});
				}

}

};

Thread thread =  new Thread(null, searchThread, "MagentoBackground");
		thread.start();

}

@Override
	    protected void onStop() {
	    	super.onStop();
	    }

//--------------When user back from activity--------------------

@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {
		if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {			
			finish();
			return true;	
		}
		return super.onKeyDown(keyCode, event);
	}

}