Android Open Source - EatDudeAndroid Country Selection

From Project

Back to project page EatDudeAndroid.
License

The source code is released under:
GNU General Public License
If you think the Android project EatDudeAndroid listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

/*
 * //from w  w w . j  a v a 2s.c  o  m
    Copyright (C) 2012  Wiley Snyder

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or 
     any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  Any other questions or concerns contact wiley@wileynet.com

*/

package com.wileynet.eatdude;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import javax.xml.parsers.ParserConfigurationException;

import org.xml.sax.SAXException;

import com.wileynet.eatdude.util.SpinnerData;
import com.wileynet.eatdude.xml.GeoSaxHelper;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Configuration;
import android.graphics.Color;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

public class CountrySelection extends Activity implements Runnable {

  private HashMap<String, String> info = new HashMap<String, String>();
  TextView selection;
  private int count;
  private String errorCopy = "Internet Connection Error";
  private ProgressDialog pd;
  private ArrayAdapter<SpinnerData> adapter;
  private Spinner spinner;
  private SpinnerData[] countries;
  private String remote_app_address;

  @SuppressWarnings("unchecked")
  @Override
  protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);
    setContentView(R.layout.eatdudesplash);
    MainHome.in_restaurant = false;
    
    LinearLayout layout = (LinearLayout) findViewById(R.id.eatdude_splash);
    // set the color
    layout.setBackgroundColor(Color.WHITE);
    ImageView image = (ImageView) findViewById(R.id.eatdudeicon);
    image.setImageResource(R.drawable.eatdudeicon);
    TextView textview = (TextView) findViewById(R.id.geoTextview);
    textview.setText("Select Country");
    remote_app_address = this.getString(R.string.remote_app_address);

    if (getLastNonConfigurationInstance() != null) {
      info = (HashMap<String, String>) getLastNonConfigurationInstance();
    }
  }

  protected void  loadCountryXML() {

    pd = ProgressDialog.show(this, "one moment ...", " Loading Selection ",
        true, false);

    Thread thread = new Thread(this);
    thread.start();

  }
  
  @Override
  public void onConfigurationChanged(Configuration newConfig) {
    //do nothing
    super.onConfigurationChanged(newConfig);
  }

  @Override
  protected void onStart() {
    super.onStart();

    if (info.size() < 1) {
      loadCountryXML();
    }else{
      count = 1;
      countries = new SpinnerData[info.size() + 1];
      countries[0] = new SpinnerData("select", "select");

      for (Map.Entry<String, String> c : info.entrySet()) {
        countries[count] = new SpinnerData(c.getValue(),
            c.getKey());
        count++;
      }
      // info = null;

      spinner = (Spinner) findViewById(R.id.country_spinner);
      adapter = new ArrayAdapter<SpinnerData>(this,
          android.R.layout.simple_spinner_item, countries);
    }

  }

  @Override
  public Object onRetainNonConfigurationInstance() {
    final HashMap<String, String> data = info;
    return data;
    // return super.onRetainNonConfigurationInstance();
  }

  public void run() {
    ConnectivityManager netcon = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo ni = netcon.getActiveNetworkInfo();
    
    
    try {
      if (ni.isConnected()) {
        String url = remote_app_address + "/xml/country/all";
        GeoSaxHelper gsh = new GeoSaxHelper();

        try {
          if (gsh.parseContent(url)) {
            info = gsh.info;
            if (info.size() < 1) {
              emptyhandler.sendEmptyMessage(0);
            }
            count = 1;
            countries = new SpinnerData[info.size() + 1];
            countries[0] = new SpinnerData("select", "select");

            for (Map.Entry<String, String> c : info.entrySet()) {
              countries[count] = new SpinnerData(c.getValue(),
                  c.getKey());
              count++;
            }
            // info = null;

            spinner = (Spinner) findViewById(R.id.country_spinner);
            adapter = new ArrayAdapter<SpinnerData>(this,
                android.R.layout.simple_spinner_item, countries);

            // close loading window
            handler.sendEmptyMessage(0);

          } else {
            pd.dismiss();
            errorhandler.sendEmptyMessage(0);
          }
        } catch (SAXException e) {
          pd.dismiss();
          errorhandler.sendEmptyMessage(0);
          e.printStackTrace();
        } catch (IOException e) {
          pd.dismiss();
          errorhandler.sendEmptyMessage(0);
          e.printStackTrace();
        } catch (ParserConfigurationException e) {
          pd.dismiss();
          errorhandler.sendEmptyMessage(0);
          e.printStackTrace();
        }

      } else {
        pd.dismiss();
        errorhandler.sendEmptyMessage(0);
      }

    } catch (Exception e) {
      // network connection error // OR PHONE IN USE
      pd.dismiss();
      errorhandler.sendEmptyMessage(0);
    }

  }

  private Handler handler = new Handler() {
    @Override
    public void handleMessage(Message msg) {

      adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
      spinner.setAdapter(adapter);

      spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
        public void onItemSelected(AdapterView<?> parent, View v,
            int pos, long id) {
          SpinnerData d = countries[pos];
          String sval = d.getValue();
          if (sval.equals("select")) {
            // do nothing
          } else {
            // Toast.makeText(EatDudeSplash.this, "" +
            // sval,Toast.LENGTH_SHORT).show();
            Intent intent = new Intent(CountrySelection.this,
                StateSelection.class);
            intent.putExtra("country_id", sval);
            startActivity(intent);
          }
        }

        public void onNothingSelected(AdapterView<?> parent) {
          // do nothing
        }
      });

      pd.dismiss();
    }

  };

  private Handler errorhandler = new Handler() {
    @Override
    public void handleMessage(Message msg) {
      Toast.makeText(CountrySelection.this, errorCopy, Toast.LENGTH_SHORT)
          .show();
    }
  };

  private Handler emptyhandler = new Handler() {
    @Override
    public void handleMessage(Message msg) {
      Toast.makeText(CountrySelection.this, "please try again later",
          Toast.LENGTH_SHORT).show();
      finish();
    }
  };

  @Override
  protected void onResume() {
    super.onResume();

    if (adapter != null) {
      adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
      spinner.setAdapter(adapter);

      spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
        public void onItemSelected(AdapterView<?> parent, View v,
            int pos, long id) {
          SpinnerData d = countries[pos];
          String sval = d.getValue();
          if (sval.equals("select")) {
            // do nothing
          } else {
            // Toast.makeText(EatDudeSplash.this, "" +
            // sval,Toast.LENGTH_SHORT).show();
            Intent intent = new Intent(CountrySelection.this,
                StateSelection.class);
            intent.putExtra("country_id", sval);
            startActivity(intent);
          }
        }

        public void onNothingSelected(AdapterView<?> parent) {
          // do nothing
        }
      });
    }
    MainHome.in_restaurant = false;
  }

  // MENU
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.main_menu_before_restaurant_select, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle item selection
    switch (item.getItemId()) {
    case R.id.call_restaurant_inactive:
      // Toast.makeText(CategorySelection.this, "call"
      // ,Toast.LENGTH_SHORT).show();
      errorAlertDialog();
      return true;
    case R.id.restaurant_details_inactive:
      // popup();
      errorAlertDialog();
      return true;
    case R.id.home:
      Intent intent = new Intent(CountrySelection.this,
          MainHome.class);
      startActivity(intent);
      return true;
    case R.id.help:
      Intent intent2 = new Intent(CountrySelection.this,
          HelpHome.class);
      startActivity(intent2);
      return true;
      

    default:
      return super.onOptionsItemSelected(item);
    }
  }

  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
      ConnectivityManager netcon = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
      NetworkInfo ni = netcon.getActiveNetworkInfo();

      try {
        if (ni.isConnected()) {
          // System.out.println("CONNECTED !" );
          finish();
          return true;
        }
      } catch (Exception e) {
        // System.out.println("ON THE PHONE !" );
        Toast.makeText(CountrySelection.this, errorCopy,
            Toast.LENGTH_SHORT).show();
        return false;
      }
    }
    return super.onKeyDown(keyCode, event);
  }


  public void errorAlertDialog() {
    String message = MainHome.restaurant_message_detail_error;

    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setMessage(message)
        .setCancelable(false)
        .setPositiveButton("close",
            new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int id) {
                dialog.cancel();
              }
            });
    AlertDialog alert = builder.create();
    alert.show();
  }

  

}
Java Source Code List
