Android Open Source - simple-restaurant Main Activity

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Back to project page simple-restaurant.

License

The source code is released under:

GNU General Public License

Java Source Code

package pad.practica1.restaurante;
/*  w  w  w  .  j  a v  a  2 s .  com*/
import java.util.ArrayList;
import java.util.Locale;

import pad.practica1.restaurante.restaurant.Restaurant;
import pad.practica1.restaurante.restaurant.Restaurant.RestaurantAttr;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.Spinner;

public class MainActivity extends Activity implements OnClickListener {
  
  private Spinner foodTypeSpinner;
  private Spinner roadTypeSpinner;
  private Spinner coussineSpinner;
  private AutoCompleteTextView countryAutoText;
  private EditText nameText;
  private EditText numberText;
  private EditText addressText;
  private EditText priceText;
  private EditText townText;
  private ImageButton searchButton;
  
  private ArrayAdapter<String> countries_adapter;
  
  @Override
  public void onClick(View v) {
    Intent intent = new Intent(this, ResultsActivity.class);
    
    int number;
    double price;
    
    try {
      price = Double.valueOf(priceText.getText().toString());
    } catch (NumberFormatException ex) {
      price = -1.0;
    }
    try{
      number = Integer.valueOf(numberText.getText().toString());
    } catch (NumberFormatException ex) {
      number = -1;
    }
    
    RestaurantApplication app = (RestaurantApplication) getApplication();
    Restaurant stuff = new Restaurant(this);
    
    // Vease flush restaurants (Fdo. Valen)
    app.setRestaurants(new ArrayList<Restaurant>());    
    
    stuff.setFoodType(foodTypeSpinner.getSelectedItem().toString());
    stuff.setRoadType(roadTypeSpinner.getSelectedItem().toString());
    stuff.setCoussine(coussineSpinner.getSelectedItem().toString());
    stuff.setCountry(countryAutoText.getText().toString());
    stuff.setName(nameText.getText().toString());
    stuff.setNumber(number);
    stuff.setAddress(addressText.getText().toString());
    stuff.setPrice(price);
    stuff.setTown(townText.getText().toString());
    
    app.setCurrentRestaurant(stuff);
    
    startActivity(intent);
  }
  
  @Override
  public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);
    
    saveState();
    setOrientationView(newConfig.orientation);
  }
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    setOrientationView(this.getResources().getConfiguration().orientation);
  }
  
  @Override
  protected void onPause() {
    super.onPause();
    
    saveState();
  }
  
  @Override
  public void onRestoreInstanceState(Bundle savedInstanceState) {
    super.onRestoreInstanceState(savedInstanceState);
    
    restoreState();
  };
  
  @Override
  protected void onResume() {
    super.onResume();
    
    restoreState();
  };
  
  @Override
  public void onSaveInstanceState(Bundle savedInstanceState) {
    super.onSaveInstanceState(savedInstanceState);
    
    saveState();
  }
  
  private void restoreState() {
    SharedPreferences savedState = getPreferences(MODE_PRIVATE);
    
    if (savedState != null) {
      int number;
      double price;
      
      foodTypeSpinner.setSelection(savedState.getInt(RestaurantAttr.FOOD_TYPE.toString(), 0));
      roadTypeSpinner.setSelection(savedState.getInt(RestaurantAttr.ROAD_TYPE.toString(), 0));
      coussineSpinner.setSelection(savedState.getInt(RestaurantAttr.COUSSINE.toString(), 0));
      countryAutoText.setText(savedState.getString(RestaurantAttr.COUNTRY.toString(), ""));
      addressText.setText(savedState.getString(RestaurantAttr.ADDRESS.toString(), ""));
      number = savedState.getInt(RestaurantAttr.ADDRESS_NUM.toString(), -1);
      nameText.setText(savedState.getString(RestaurantAttr.NAME.toString(), ""));
      price = savedState.getFloat(RestaurantAttr.PRICE.toString(), -1.0f);
      townText.setText(savedState.getString(RestaurantAttr.TOWN.toString(), ""));
      
      if (number != -1)
        numberText.setText(Integer.toString(number));
      
      if (price != -1.0)
        priceText.setText(String.format(Locale.US, "%.2f", price));
    }
  }
  
  private void saveState() {
    SharedPreferences.Editor savedStateEdit = getPreferences(MODE_PRIVATE).edit();
    
    int number;
    double price;
    
    try {
      price = Double.valueOf(priceText.getText().toString());
    } catch (NumberFormatException ex) {
      price = -1.0;
    }
    
    try {
      number = Integer.valueOf(numberText.getText().toString());
    } catch (NumberFormatException ex) {
      number = -1;
    }
    
    Log.i("saveState","Valor de price , num: "+price+", "+number);
    
    savedStateEdit.putInt(RestaurantAttr.FOOD_TYPE.toString(), foodTypeSpinner.getSelectedItemPosition());
    savedStateEdit.putInt(RestaurantAttr.ROAD_TYPE.toString(), roadTypeSpinner.getSelectedItemPosition());
    savedStateEdit.putInt(RestaurantAttr.COUSSINE.toString(), coussineSpinner.getSelectedItemPosition());
    savedStateEdit.putString(RestaurantAttr.COUNTRY.toString(), countryAutoText.getText().toString());
    savedStateEdit.putString(RestaurantAttr.NAME.toString(), nameText.getText().toString());
    savedStateEdit.putInt(RestaurantAttr.ADDRESS_NUM.toString(), number);
    savedStateEdit.putString(RestaurantAttr.ADDRESS.toString(), addressText.getText().toString());
    savedStateEdit.putFloat(RestaurantAttr.PRICE.toString(), (float) price);
    savedStateEdit.putString(RestaurantAttr.TOWN.toString(), townText.getText().toString());
    
    savedStateEdit.apply();
  }

  private void setOrientationView(int orientation) {
    setContentView(R.layout.activity_main);
    
    setViews();
  }

  private void setViews() {
    foodTypeSpinner = (Spinner) findViewById(R.id.foodTypeSpinner);
    roadTypeSpinner = (Spinner) findViewById(R.id.typeRoadSpinner);
    coussineSpinner = (Spinner) findViewById(R.id.coussineSpinner);
    nameText = (EditText) findViewById(R.id.nameText);
    numberText = (EditText) findViewById(R.id.numberText);
    addressText = (EditText) findViewById(R.id.addressText);
    priceText = (EditText) findViewById(R.id.priceText);
    townText = (EditText) findViewById(R.id.townText);
    searchButton = (ImageButton) findViewById(R.id.searchButton);
    countryAutoText = (AutoCompleteTextView) findViewById(R.id.countryAutoText);
    
    if (countries_adapter == null) {
      String[] countries = Locale.getISOCountries();
       
      for (int i = 0; i < countries.length; ++i)
        countries[i] = new Locale("", countries[i]).getDisplayCountry();
  
      countries_adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, countries);
    }
    
    countryAutoText.setAdapter(countries_adapter);
    
    searchButton.setOnClickListener(this);
    
    restoreState();
  }
}

Java Source Code List

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