Android Open Source - minha-parte-na-conta Checkout Activity

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License

The source code is released under:

Copyright (c) 2015, Daniel Monteiro All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:...

Java Source Code

package br.odb.myshare;
/*from  w  w  w .ja v a 2 s  . co  m*/
import java.text.NumberFormat;
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.Spinner;
import android.widget.TextView;
import br.odb.myshare.datamodel.BarAccount;
import br.odb.myshare.datamodel.Item;
import br.odb.myshare.datamodel.Person;

public class CheckoutActivity extends Activity implements OnItemSelectedListener, OnCheckedChangeListener, OnClickListener  {

  Spinner spnProducts;
  
  Spinner spnPeople;
  
  CheckBox chkBought;
  
  TextView tvflatTotal;
  
  TextView tvfinalTotal;
  
  TextView tvSharedWith;
  
  public class PersonSpinAdapter extends ArrayAdapter<Person> {

    public PersonSpinAdapter(Context context, int textViewResourceId,
        Person[] values) {
      super(context, textViewResourceId, values);

    }
  }
  
  public class ProductSpinAdapter extends ArrayAdapter<Item> {

    public ProductSpinAdapter(Context context, int textViewResourceId,
        Item[] values) {
      super(context, textViewResourceId, values);

    }
  }
  
  @Override
  public boolean onMenuItemSelected(int featureId, MenuItem item) {
    
    Intent intent = new Intent(this, ShowCreditsActivity.class);
    startActivity(intent);
    return true;
  }
  
  @Override
  protected void onPause() {
    if ( BarAccount.getCurrentBarAccount() != null )
      BarAccount.getCurrentBarAccount().saveAccount( this );

    super.onPause();
  }

  
  public void updateUI() {

    List<Item> products = BarAccount.getCurrentBarAccount().getItems();
    Item[] items = new Item[ products.size()];
    items = products.toArray(items);

    spnProducts.setAdapter(new ProductSpinAdapter(this,
        android.R.layout.simple_spinner_dropdown_item, items ));
    
    List<Person> people = BarAccount.getCurrentBarAccount().getPeople();
    Person[] persons = new Person[people.size()];
    persons = people.toArray(persons);

    spnPeople.setAdapter(new PersonSpinAdapter(this,
        android.R.layout.simple_spinner_dropdown_item, persons));    
    
    
  }
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_checkout);
    
    spnPeople = (Spinner) findViewById( R.id.spnConsumingPerson );
    spnProducts = (Spinner) findViewById( R.id.spnBougtProduct );
    tvflatTotal = (TextView) findViewById( R.id.tvFlatTotal );
    tvfinalTotal = (TextView) findViewById( R.id.tvTotal );
    tvSharedWith = (TextView) findViewById( R.id.tvSharedWith );
    chkBought = (CheckBox) findViewById( R.id.chkBought );  
    
    spnPeople.setOnItemSelectedListener( this );
    spnProducts.setOnItemSelectedListener( this );
    chkBought.setOnCheckedChangeListener( this );
    
    findViewById( R.id.btnFinalCheckout ).setOnClickListener( this );
    
    updateUI();
    updateTexts();
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.checkout, menu);
    return true;
  }

  public void onCheckedChanged(CompoundButton arg0, boolean arg1) {
    
    Person person = (Person) spnPeople.getSelectedItem();
    Item item = (Item) spnProducts.getSelectedItem();

    if ( chkBought.isChecked() ) {     
      
      BarAccount.getCurrentBarAccount().purchase( person, item );    
    } else {
      BarAccount.getCurrentBarAccount().cancelPurchase( person, item );
    }
    
    updateTexts();
  }

  public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,
      long arg3) {


    Person person = (Person) spnPeople.getSelectedItem();
    Item item = (Item) spnProducts.getSelectedItem();

    
    chkBought.setChecked( person.itemsConsumed.contains( item ) );
    updateTexts();
  }
  
  public void updateTexts() {
    
    Person person = (Person) spnPeople.getSelectedItem();
    Item item = (Item) spnProducts.getSelectedItem();
    float share = BarAccount.getCurrentBarAccount().getShare( person );
    NumberFormat format = NumberFormat.getCurrencyInstance();
    
    tvflatTotal.setText( format.format( share ) );
    tvfinalTotal.setText( format.format( share * 1.1f ) + " (+10%  Taxa de servio comum)" );
    
    if ( chkBought.isChecked() ) {
      
      String sharedWith = "Compartilhado com ";
      
      for ( Person costumer : BarAccount.getCurrentBarAccount().getCostumersForItem( item ) ) {
        
        if ( costumer != person )
          sharedWith += costumer.getName() + ", ";
      }
      
      if ( BarAccount.getCurrentBarAccount().getCostumersForItem( item ).size() > 1 )
        tvSharedWith.setText( sharedWith.substring( 0, sharedWith.length() - 2 ) );
      else
        tvSharedWith.setText( "" );
    } else {
      
      String sharedWith = "Consumido por ";
      
      for ( Person costumer : BarAccount.getCurrentBarAccount().getCostumersForItem( item ) ) {

        sharedWith += costumer.getName() + ", ";
      }
      
      if ( BarAccount.getCurrentBarAccount().getCostumersForItem( item ).size() > 0 )
        tvSharedWith.setText( sharedWith.substring( 0, sharedWith.length() - 2 ) );
      else
        tvSharedWith.setText( "" );
    }
    
  }

  public void onNothingSelected(AdapterView<?> arg0) {
    // TODO Auto-generated method stub
    
  }

  public void onClick(View v) {
    Intent intent = new Intent( this, ShowFinalCheckoutActivity.class );
    this.startActivity( intent );    
  }

}

Java Source Code List

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