Android Open Source - EatDudeAndroid Category Selection

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License

The source code is released under:
GNU General Public License
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Java Source Code

/*
 * //from   www . j av a 2  s. com
    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;



//   ==>   http://developer.android.com/guide/appendix/faq/commontasks.html

import java.util.HashMap;

import com.wileynet.eatdude.db.LoadRestaurant;
import com.wileynet.eatdude.db.RestaurantDbAdapter;
import com.wileynet.eatdude.db.RestaurantDbHelper;
import com.wileynet.eatdude.util.StringUtils;

import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class CategorySelection extends ListActivity {
  
  private RestaurantDbAdapter mDbHelper;
  private RestaurantDbHelper rDb = new RestaurantDbHelper(this);
  private LoadRestaurant loadR;
  TextView selection;
  private String[] categories;
  // private PopupWindow pw;

  protected HashMap<String, String> menumap = new HashMap<String, String>();

  protected HashMap<String, String> menu_category = new HashMap<String, String>();

  private String errorCopy = "Internet Connection Error";
  private String selected_menu_id;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.category_selection);
    
    MainHome.in_restaurant = false;
    this.setTitle(MainHome.restaurant_name);

    menumap = RestaurantSelection.r.getMenu();

    Bundle extras = getIntent().getExtras();
    if (extras != null) {
      selected_menu_id = extras.getString("menu_id");
    }

    // Toast.makeText(CategorySelection.this, selected_menu_id ,
    // Toast.LENGTH_SHORT).show();

    mDbHelper = new RestaurantDbAdapter(this);
    try {
      mDbHelper.open();

      loadR = new LoadRestaurant(this);
      loadR.load();

      categories = rDb.getCategoryArrayFromDb(selected_menu_id);

    } catch (Exception e) {
      e.printStackTrace();
    }

    // display categories
    setListAdapter(new ArrayAdapter<String>(this,
        android.R.layout.simple_list_item_single_choice, categories));

    selection = (TextView) findViewById(R.id.selection);

  }

  public void onListItemClick(ListView parent, View v, int position, long id) {
    String check = categories[position];
    // String selection = parent.getItemAtPosition(position).toString();
    // Toast.makeText(v.getContext(), ""+selection ,
    // Toast.LENGTH_SHORT).show();

    for (int i = 0; i < categories.length; i++) {
      String value = categories[i];
      if (value == check) {
        Intent intent = new Intent(v.getContext(), ItemSelection.class);
        intent.putExtra("category", check);
        intent.putExtra("m_id", selected_menu_id);
        startActivity(intent);
      }
    }

    /*
     * for(Map.Entry<String,String> entry : r.getMenu_category().entrySet())
     * { String key = entry.getKey(); String value = entry.getValue();
     * if(value == check){
     * 
     * //load new intent with items from that category key
     * System.out.println(key + " => " + value); //Intent myIntent = new
     * Intent(Intent.ACTION_VIEW,Uri.parse("http://www.google.com"));
     * //startActivity(myIntent); Intent i= new Intent(v.getContext(),
     * ItemSelection.class); i.putExtra("category", check);
     * startActivity(i);
     * 
     * } }
     */
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
  }

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

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

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

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle item selection
    ConnectivityManager netcon = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo ni = netcon.getActiveNetworkInfo();
    
    switch (item.getItemId()) {
    case R.id.call_restaurant:
      // Toast.makeText(CategorySelection.this, "call"
      // ,Toast.LENGTH_SHORT).show();
      callDialog();
      return true;
    case R.id.restaurant_details:
      // popup();
      alertDialog();
      return true;
    case R.id.home:
      try {
        if (ni.isConnected()) {
          Intent intent = new Intent(CategorySelection.this, MainHome.class);
          startActivity(intent);
          return true;
        }
      } catch (Exception e) {
        Toast.makeText(CategorySelection.this, errorCopy,
            Toast.LENGTH_SHORT).show();
        return true;
      }
      
    case R.id.help:
      Intent intent2 = new Intent(CategorySelection.this, HelpHome.class);
      startActivity(intent2);
      return true;
      
    default:
      return super.onOptionsItemSelected(item);
    }
  }

  private void call() {
    try {
      if (!MainHome.restaurant_phone.equals("none")) {
        Intent callIntent = new Intent(Intent.ACTION_CALL);
        String phone_number = MainHome.restaurant_phone.replaceAll(
            "[^\\d]", "");
        // Toast.makeText(CategorySelection.this,
        // phone_number,Toast.LENGTH_SHORT).show();
        callIntent.setData(Uri.parse("tel:" + phone_number));
        startActivity(callIntent);
      }
    } catch (ActivityNotFoundException activityException) {
      Log.e("helloandroid dialing example", "Call failed",
          activityException);
    }

  }

  @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(CategorySelection.this, errorCopy,
            Toast.LENGTH_SHORT).show();
        return false;
      }
    }
    return super.onKeyDown(keyCode, event);
  }

  public void alertDialog() {
    StringUtils su = new StringUtils();
    String message = MainHome.restaurant_name + "\n"
        + MainHome.restaurant_address + "\n" + su.capitalizeFirstLetter(MainHome.restaurant_city)
        + "\n" + MainHome.restaurant_phone;

    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setMessage(message)
        .setCancelable(false)
        .setPositiveButton("close details",
            new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int id) {
                dialog.cancel();
              }
            });
    AlertDialog alert = builder.create();
    alert.show();
  }
  
  public void callDialog() {
    String message = "Are you sure you want to call " + MainHome.restaurant_name + " now ? This call " +
        "will be immediately dialed for you.";
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setMessage(message)
        .setCancelable(false)
        .setPositiveButton("yes",
            new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int id) {
                call();
              }
            });
    builder.setMessage(message)
    .setCancelable(false)
    .setNegativeButton("no",
        new DialogInterface.OnClickListener() {
          public void onClick(DialogInterface dialog, int id) {
            dialog.cancel();
          }
        });
    AlertDialog alert = builder.create();
    alert.show();
  }

}
Java Source Code List
