Android Open Source - BusTicketer Buy Tickets Fragment

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License

The source code is released under:
Copyright (c) 2013, Nelspike All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Red...
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Java Source Code

package bus.ticketer.fragments;
/*from   ww  w.  ja  v  a 2  s. co m*/
import java.util.ArrayList;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.annotation.SuppressLint;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnDismissListener;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.Fragment;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import bus.ticketer.adapters.DialogAdapter;
import bus.ticketer.connection.ConnectionThread;
import bus.ticketer.listeners.TicketPurchaseListener;
import bus.ticketer.objects.Ticket;
import bus.ticketer.passenger.BusTicketer;
import bus.ticketer.passenger.R;
import bus.ticketer.utils.BusUtils;
import bus.ticketer.utils.FileHandler;
import bus.ticketer.utils.Method;
import bus.ticketer.utils.RESTFunction;

public class BuyTicketsFragment extends Fragment {
  private View rootView;
  private RESTFunction currentFunction;
  private SparseArray<ArrayList<Ticket>> tickets;
  private int transactionCost;
  private int[] boughtTickets = new int[3];
  private String confirmationToken = "", IPAddress = "";
  private BusTicketer app;

  @SuppressLint("HandlerLeak")
  private Handler threadConnectionHandler = new Handler() {
    @Override
    public void handleMessage(Message msg) {
      switch (currentFunction) {
        case BUY_CLIENT_TICKETS:
          tickets = app.getTickets();
          break;      
        case BUY_CLIENT_TICKETS_CLICK:
          handlePurchase(msg);
          break;
        case BUY_CONFIRMATION_CLIENT:
          handleBuyPayload(msg);
          break;
        default:
          break;
      }
    }
  };

  @Override
  public View onCreateView(LayoutInflater inflater,
      ViewGroup container, Bundle savedInstanceState) {
    
    setRetainInstance(true);
    rootView = inflater.inflate(R.layout.fragment_buy_tickets,
          container, false);

    app = (BusTicketer) getActivity().getApplication();
    IPAddress = app.getIPAddress();
    getTicketInfo();
    buyTicketsHandler();

    return rootView;
  }
  
  public void refresh() {
    app = (BusTicketer) getActivity().getApplication();
    getTicketInfo();
    buyTicketsHandler();  
  }
  
  public void getTicketInfo() {
    FileHandler fHandler = new FileHandler(app.getClientFilename(), "");
    ArrayList<String> fileContents = fHandler.readFromFile();

    
    if(!app.isNetworkAvailable()) {
      SparseArray<ArrayList<Ticket>> tickets = FileHandler.getTicketCount();
      app.setTickets(tickets);
      quantityHandler();      
    }
    else {
      currentFunction = RESTFunction.BUY_CLIENT_TICKETS;
      
      ConnectionThread dataThread = new ConnectionThread(
          IPAddress+"list/" + fileContents.get(2),
          Method.GET, null, threadConnectionHandler, null,
          currentFunction, rootView, getActivity());
      dataThread.start();
    }
  }

  public void buyTicketsHandler() {

    Button t1Minus = (Button) rootView.findViewById(R.id.t1_ticket_minus);
    Button t2Minus = (Button) rootView.findViewById(R.id.t2_ticket_minus);
    Button t3Minus = (Button) rootView.findViewById(R.id.t3_ticket_minus);
    Button t1Plus = (Button) rootView.findViewById(R.id.t1_ticket_plus);
    Button t2Plus = (Button) rootView.findViewById(R.id.t2_ticket_plus);
    Button t3Plus = (Button) rootView.findViewById(R.id.t3_ticket_plus);

    Button buyTickets = (Button) rootView
        .findViewById(R.id.buy_tickets_button);

    final TextView t1Tickets = (TextView) rootView
        .findViewById(R.id.t1_ticket_quantity_buy);
    final TextView t2Tickets = (TextView) rootView
        .findViewById(R.id.t2_ticket_quantity_buy);
    final TextView t3Tickets = (TextView) rootView
        .findViewById(R.id.t3_ticket_quantity_buy);
    
    t1Tickets.setText("0");
    t2Tickets.setText("0");
    t3Tickets.setText("0");

    t1Minus.setOnClickListener(new TicketPurchaseListener("Minus", "T1", t1Tickets, app));
    t2Minus.setOnClickListener(new TicketPurchaseListener("Minus", "T2", t2Tickets, app));
    t3Minus.setOnClickListener(new TicketPurchaseListener("Minus", "T3", t3Tickets, app));
    t1Plus.setOnClickListener(new TicketPurchaseListener("Plus", "T1", t1Tickets, app));
    t2Plus.setOnClickListener(new TicketPurchaseListener("Plus", "T2", t2Tickets, app));
    t3Plus.setOnClickListener(new TicketPurchaseListener("Plus", "T3", t3Tickets, app));

    buyTickets.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View arg0) {

        FileHandler fHandler = new FileHandler(app.getClientFilename(), "");
        ArrayList<String> fileContents = fHandler.readFromFile();
        
        final ArrayList<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("cid", fileContents.get(2)));
        params.add(new BasicNameValuePair("t1", t1Tickets.getText().toString()));
        params.add(new BasicNameValuePair("t2", t2Tickets.getText().toString()));
        params.add(new BasicNameValuePair("t3", t3Tickets.getText().toString()));

        ProgressDialog progDialog = ProgressDialog.show(getActivity(),
            "", "Loading, please wait!",
            true);

        progDialog.setOnDismissListener(new OnDismissListener() {

          @Override
          public void onDismiss(DialogInterface dialog) {
            
            ProgressDialog pDiag = ProgressDialog.show(getActivity(),
                "", "Loading, please wait!",
                true);

            pDiag.setOnDismissListener(new OnDismissListener() {

              @Override
              public void onDismiss(DialogInterface dialog) {
                BusUtils.purchaseProcess(getActivity());
                DialogAdapter.purchaseSuccess(boughtTickets[0], boughtTickets[1], boughtTickets[2], transactionCost, getActivity());
              }
            });
            
            int[] data = {boughtTickets[0], boughtTickets[1], boughtTickets[2], transactionCost};
            currentFunction = RESTFunction.BUY_CONFIRMATION_CLIENT;
            DialogAdapter.confirmPurchase(params, pDiag, data, getActivity(), confirmationToken, threadConnectionHandler, rootView);
          }
        });
        
        currentFunction = RESTFunction.BUY_CLIENT_TICKETS_CLICK;
        ConnectionThread dataThread = new ConnectionThread(
            IPAddress+"buy/", Method.POST,
            params, threadConnectionHandler, progDialog,
            currentFunction, rootView, getActivity());
        
        dataThread.start();
      }

    });
    
    if(app.getTickets().get(1).size() >= 10) {
      t1Minus.setEnabled(false);
      t1Plus.setEnabled(false);
    }
    else {
      t1Minus.setEnabled(true);
      t1Plus.setEnabled(true);      
    }
    
    if(app.getTickets().get(2).size() >= 10) {
      t2Minus.setEnabled(false);
      t2Plus.setEnabled(false);
    }
    else {
      t2Minus.setEnabled(true);
      t2Plus.setEnabled(true);    
    }
    
    if(app.getTickets().get(3).size() >= 10) {
      t3Minus.setEnabled(false);
      t3Plus.setEnabled(false);
    }
    else {
      t3Minus.setEnabled(true);
      t3Plus.setEnabled(true);      
    }
    
    if(app.isTimerOn() || !app.isNetworkAvailable() || app.isWaitingValidation()) {
      t1Minus.setEnabled(false);
      t2Minus.setEnabled(false);
      t3Minus.setEnabled(false);
      t1Plus.setEnabled(false);
      t2Plus.setEnabled(false);
      t3Plus.setEnabled(false);
      buyTickets.setEnabled(false);
    }
    else
      buyTickets.setEnabled(true);
  }
  
  private void handleBuyPayload(Message msg) {
        JSONObject ticketListing = (JSONObject) msg.obj;
        try {
          for(int i = 1; i <= 3; i++) {
            JSONArray ticketsArray = ticketListing.getJSONArray("t"+i);
            for(int t = 0; t < ticketsArray.length(); t++)
              tickets.get(i).add(new Ticket(ticketsArray.getInt(t)));
            
            boughtTickets[i-1] = ticketsArray.length();
          }
        } catch (JSONException e) {
            e.printStackTrace();
        }

        app.setTickets(tickets);
  }
  
  private void handlePurchase(Message msg) {
        JSONObject ticketListing = (JSONObject) msg.obj;
        try {
          for(int i = 0; i < 3; i++)
            boughtTickets[i] = ticketListing.getInt("t"+(i+1));
          
            transactionCost = ticketListing.getInt("cost");
            confirmationToken = ticketListing.getString("token");
        } catch (JSONException e) {
            e.printStackTrace();
        }
  }
  
  private void quantityHandler() {
    TextView t1TicketsQuantity = (TextView) rootView
        .findViewById(R.id.t1_ticket_quantity);
    TextView t2TicketsQuantity = (TextView) rootView
        .findViewById(R.id.t2_ticket_quantity);
    TextView t3TicketsQuantity = (TextView) rootView
        .findViewById(R.id.t3_ticket_quantity);

    SparseArray<ArrayList<Ticket>> tickets = app.getTickets();
    
    t1TicketsQuantity.setText(tickets.get(1).size() + "");
    t2TicketsQuantity.setText(tickets.get(2).size() + "");
    t3TicketsQuantity.setText(tickets.get(3).size() + "");
  }  
}
Java Source Code List
