Android Open Source - BusTicketer Main Activity

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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...

Java Source Code

package bus.ticketer.passenger;
//  www  . ja v a2 s  .  c o m
import java.util.ArrayList;

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

import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.text.InputFilter;
import android.text.method.ScrollingMovementMethod;
import android.view.Menu;
import android.view.View;
import android.view.View.*;
import android.widget.*;

import bus.ticketer.adapters.DialogAdapter;
import bus.ticketer.adapters.SpinnerAdapter;
import bus.ticketer.connection.ConnectionThread;
import bus.ticketer.filters.MonthInputFilter;
import bus.ticketer.utils.*;

public class MainActivity extends Activity {

  private String password = "";
  private String toFile = "";
  private String IPAddress = "";
  private FileHandler fHandler;
  private RESTFunction currentFunction;
  ProgressDialog progDialog;

  @SuppressLint("HandlerLeak")
  private Handler threadConnectionHandler = new Handler() {
    @Override
    public void handleMessage(Message msg) {
      switch(currentFunction) {
        case CREATE_CLIENT:
          handleCreation(msg);
          break;
        case LOGIN_CLIENT:
          handleLogin(msg);
          break;
        default:
          break;
      }
    }
  };
  
    @SuppressLint("InlinedApi")
  @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setTheme(android.R.style.Theme_Holo_NoActionBar);
        
        if(!((BusTicketer) MainActivity.this.getApplication()).isNetworkAvailable() && !isRegistered())
          ((BusTicketer) MainActivity.this.getApplication()).networkPrompt();
        else {
          fHandler = new FileHandler(((BusTicketer) MainActivity.this.getApplication()).getClientFilename(), toFile);
      progDialog = ProgressDialog.show(
          MainActivity.this, "",
          "Loading, please wait!", true);
          
      IPAddress = ((BusTicketer) MainActivity.this.getApplication()).getIPAddress();
      
          handleInitialization();
          setContentView(R.layout.activity_main);
          
          TextView text = (TextView) findViewById(R.id.terms_textbox);
          text.setMovementMethod(new ScrollingMovementMethod());
          
          String resource = "cc_type_spinner_vals";
          int id = getResources().getIdentifier(resource, "array", "bus.ticketer.passenger");
          String[] cardTypes = getResources().getStringArray(id);
          
          int[] images = { R.drawable.ico_home_visa, R.drawable.ico_home_visa_electron, R.drawable.ico_home_master_card, R.drawable.ico_home_maestro,
                    R.drawable.ico_home_american_express, R.drawable.ico_home_multibanco};
          
          final Spinner spinner = (Spinner) findViewById(R.id.cc_type_spinner);
          spinner.setAdapter(new SpinnerAdapter(MainActivity.this, R.layout.spinner_cc_choice_box, cardTypes, images));
          
          EditText et = (EditText) findViewById(R.id.splash_validity_month);
          et.setFilters(new InputFilter[]{ new MonthInputFilter(1, 12)});
          
          Button registerButton = (Button) findViewById(R.id.splash_register_button);
          registerButton.setOnClickListener(new OnClickListener() {
        
        @Override
          public void onClick(View v) {
            registerAction(spinner);
          }
      });
        }
    }
    
    private boolean isRegistered() {
      return FileHandler.checkFileExistance(((BusTicketer) MainActivity.this.getApplication()).getClientFilename());
    }
    
    private void registerAction(Spinner cardSpinner) {
      EditText nameBox = (EditText) findViewById(R.id.splash_namebox);
      EditText passBox = (EditText) findViewById(R.id.splash_passbox);
      EditText cardBox = (EditText) findViewById(R.id.splash_cardbox);
      EditText validityMonthBox = (EditText) findViewById(R.id.splash_validity_month);
      EditText validityYearBox = (EditText) findViewById(R.id.splash_validity_year);
      
      
      String name = nameBox.getText().toString();
      password = passBox.getText().toString();
      String cardNumber = cardBox.getText().toString();
      String validity = validityMonthBox.getText().toString() + "/" + validityYearBox.getText().toString();
      String cardType = cardSpinner.getSelectedItem().toString();
      
    ArrayList<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("name", name));
    params.add(new BasicNameValuePair("nib", cardNumber));
    params.add(new BasicNameValuePair("pass", password));
    params.add(new BasicNameValuePair("cardType", cardType));
    params.add(new BasicNameValuePair("validity", validity));

    currentFunction = RESTFunction.CREATE_CLIENT;
    ConnectionThread dataThread = new ConnectionThread(IPAddress+"client/create/", Method.POST,params, threadConnectionHandler, progDialog, currentFunction, null, this);
    dataThread.start();
    }
    
    public void handleInitialization() {
        ArrayList<String> fileContents = fHandler.readFromFile();
                
        if(fileContents.size() != 0) {
          
        ArrayList<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("name", fileContents.get(0)));
        params.add(new BasicNameValuePair("pass", fileContents.get(1)));
        
        if(!((BusTicketer) MainActivity.this.getApplication()).isNetworkAvailable()) {
              Intent intent = new Intent(MainActivity.this, CentralActivity.class);
              startActivity(intent);
        intent.putExtra("Waiting", false);
            finish();     
        }
        else {
          currentFunction = RESTFunction.LOGIN_CLIENT;
            ConnectionThread dataThread = new ConnectionThread(IPAddress+"client/login/", Method.POST, params, threadConnectionHandler, progDialog, currentFunction, null, this);
          dataThread.start();
        }
        }
        else
          progDialog.dismiss();
    }

  private void handleCreation(Message msg) {
    JSONObject received = (JSONObject) msg.obj;
    
    try {
      toFile += received.getString("name") + '\n';
      toFile += password + '\n';
      toFile += received.getString("id");
    } catch (JSONException e) {
      DialogAdapter.dialogYesNoShowing("Registration Error", "An unexpected error has ocurred upon registering. Register again?", MainActivity.this, fHandler);  
    }
    
    fHandler.setToWrite(toFile);
    fHandler.writeToFile();
    
    DialogAdapter.registrationSuccess(MainActivity.this);
  }
    
  private void handleLogin(Message msg) {
    JSONObject received = (JSONObject) msg.obj;  
    
    if(received == null) 
      DialogAdapter.connectionIssues(MainActivity.this);
    else {  
      try {
        received.getString("error");
        DialogAdapter.dialogYesNoShowing("Incorrect Login!", "Your login info does not exist in the server. Register again?", MainActivity.this, fHandler);      
      }
      catch(JSONException jsonExp) {
            Intent intent = new Intent(MainActivity.this, CentralActivity.class);
            startActivity(intent);
        intent.putExtra("Waiting", false);
            finish();
      }
    }
  }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
    
}

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