Android Open Source - mvfa Topups Activity

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License

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

/*
  Copyright (C) 2010 Ben Van Daele (vandaeleben@gmail.com)
/*  www.j av a2s .com*/
  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
  (at your option) 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/>.
 */

package be.benvd.mvforandroid;

import java.text.SimpleDateFormat;
import java.util.Date;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.Cursor;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CursorAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import be.benvd.mvforandroid.data.DatabaseHelper;
import be.benvd.mvforandroid.data.MVDataService;

import com.commonsware.cwac.wakeful.WakefulIntentService;

public class TopupsActivity extends Activity
  {

  public DatabaseHelper helper;
  private Cursor model;

  private BroadcastReceiver updatedReceiver = new BroadcastReceiver()
    {
      @Override
      public void onReceive(Context context, Intent intent)
        {
        model.requery();
        TopupsActivity.this.getParent().setProgressBarIndeterminateVisibility(false);
        }
    };

  private BroadcastReceiver exceptionReceiver = new BroadcastReceiver()
    {
      @Override
      public void onReceive(Context context, Intent intent)
        {
        Exception e = (Exception) intent.getSerializableExtra(MVDataService.EXCEPTION);
        Toast.makeText(context, getString(R.string.exception_message, e == null ? "null" : e.getClass().getName()), Toast.LENGTH_LONG).show();
        TopupsActivity.this.getParent().setProgressBarIndeterminateVisibility(false);
        }
    };

  @Override
  protected void onCreate(Bundle savedInstanceState)
    {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.topups);

    helper = new DatabaseHelper(this);
    model = helper.topups.getAll();

    updateView();
    }

  private void updateView()
    {
    Button updateButton = (Button) findViewById(R.id.update_button);
    updateButton.setOnClickListener(new OnClickListener()
      {
        @Override
        public void onClick(View v)
          {
          TopupsActivity.this.getParent().setProgressBarIndeterminateVisibility(true);
          Intent i = new Intent(TopupsActivity.this, MVDataService.class);
          i.setAction(MVDataService.UPDATE_TOPUPS);
          WakefulIntentService.sendWakefulWork(TopupsActivity.this, i);
          }
      });

    ListView topupsList = (ListView) findViewById(R.id.topups_list);
    topupsList.setAdapter(new TopupsAdapter(this, model));
    topupsList.setFocusable(false);
    }

  @Override
  protected void onResume()
    {
    super.onResume();
    registerReceiver(updatedReceiver, new IntentFilter(MVDataService.TOPUPS_UPDATED));
    registerReceiver(exceptionReceiver, new IntentFilter(MVDataService.EXCEPTION));
    }

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

  @Override
  protected void onDestroy()
    {
    super.onDestroy();
    helper.close();
    }

  private static SimpleDateFormat formatDate = new SimpleDateFormat("dd/MM/yyyy");

  static class TopupsHolder
    {
    private TextView amount = null, method = null, date = null;

    TopupsHolder(View listItem)
      {
      amount = (TextView) listItem.findViewById(R.id.topup_amount);
      method = (TextView) listItem.findViewById(R.id.topup_method);
      date = (TextView) listItem.findViewById(R.id.topup_date);
      }

    public void populateFrom(Cursor c, DatabaseHelper helper)
      {
      amount.setText((int) helper.topups.getAmount(c) + "");
      method.setText(helper.topups.getMethod(c));
      date.setText(formatDate.format(new Date(helper.topups.getExecutedOn(c))));
      }

    }

  class TopupsAdapter extends CursorAdapter
    {

    public TopupsAdapter(Context context, Cursor c)
      {
      super(context, c);
      }

    @Override
    public void bindView(View view, Context context, Cursor cursor)
      {
      TopupsHolder holder = (TopupsHolder) view.getTag();
      holder.populateFrom(cursor, helper);
      }

    @Override
    public View newView(Context context, Cursor cursor, ViewGroup parent)
      {
      LayoutInflater inflater = getLayoutInflater();
      View listItem = inflater.inflate(R.layout.topups_list_item, parent, false);
      TopupsHolder holder = new TopupsHolder(listItem);
      listItem.setTag(holder);
      return listItem;
      }

    @Override
    public boolean isEnabled(int position)
      {
      return false;
      }

    }

  }
Java Source Code List
