Android Open Source - minha-parte-na-conta Register Product 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:...

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Java Source Code

package br.odb.myshare;
//from   w  ww  .j av  a2  s.  c  o m
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.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import br.odb.myshare.datamodel.BarAccount;
import br.odb.myshare.datamodel.Item;

public class RegisterProductActivity extends Activity implements OnClickListener {

  Spinner spnProducts;
  EditText edtProduct;
  EditText edtCost;
  private Button btnAdd;
  private Button btnDelete;
  private Button btnNext;
  private Button btnCopy;
  
  
  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 onDestroy() {
  
    BarAccount.getCurrentBarAccount().saveAccount( this );
    
    super.onDestroy();
  }

  
  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 ));
    
    
    btnDelete.setEnabled(  ( spnProducts.getCount() > 0 )  );
    btnCopy.setEnabled(  ( spnProducts.getCount() > 0 )  );
    btnNext.setEnabled(  ( spnProducts.getCount() > 0 )  );
    
    if ( spnProducts.getCount() > 0 ) {
      
      spnProducts.setSelection( spnProducts.getCount() - 1, true );
    }

  }
  
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_register_product);
    
    
    spnProducts = (Spinner) findViewById( R.id.spnProducts );
    edtProduct = (EditText) findViewById( R.id.edtProduct );
    edtCost = (EditText) findViewById( R.id.edtCost );
    
    
    
    btnAdd = (Button) findViewById( R.id.btnAddProduct );
    btnAdd.setOnClickListener( this );

    btnDelete = (Button) findViewById( R.id.btnDeleteProduct );
    btnDelete.setOnClickListener( this );
    
    
    btnNext = (Button) findViewById( R.id.btnGoCheckout );
    btnNext.setOnClickListener( this );
    
    btnCopy = (Button) findViewById( R.id.btnCopy );
    btnCopy.setOnClickListener( this );    
    
    updateUI();
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.register_product, menu);
    return true;
  }
  
  @Override
  protected void onPause() {
    if ( BarAccount.getCurrentBarAccount() != null )
      BarAccount.getCurrentBarAccount().saveAccount( this );

    super.onPause();
  }


  public void onClick(View v) {
    
    float cost = 0;
    String name = null;
    Item item = null;
    

    Button btn = (Button) findViewById( R.id.btnDeleteProduct );
    btn.setOnClickListener( this );
    
    switch ( v.getId() ) {
    
      case R.id.btnCopy:

        if ( spnProducts.getChildCount() > 0 ) {
          
          item = (Item) spnProducts.getSelectedItem();
          edtProduct.setText( item.getName() );
          edtCost.setText( Float.toString( item.getCost() ) );        
        }
    
      case R.id.btnAddProduct:
        
        if ( edtProduct.getText().toString().length() > 0 && edtCost.getText().toString().length() > 0 ) {
          
          name = edtProduct.getText().toString();
          cost = Float.parseFloat( edtCost.getText().toString() );
          
          item = new Item( name, cost );
          BarAccount.getCurrentBarAccount().addNewItem( item );
          edtProduct.setText( "" );
          edtCost.setText( "" );        
          
          updateUI();
        }
        break;
        
      case R.id.btnDeleteProduct:
        
        item = (Item) spnProducts.getSelectedItem();
        BarAccount.getCurrentBarAccount().removeProduct( item );
        updateUI();
        
        
        break;      
        
        
      case R.id.btnGoCheckout:
        
        Intent intent = new Intent( this, CheckoutActivity.class );
        startActivity( intent );  
        break;
    }    
  }
}

Java Source Code List