Android Open Source - Todo List Widget Service

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License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * This file is part of Todo.txt for Android, an app for managing your todo.txt file (http://todotxt.com).
 *// w ww.j  av a2 s  .  c om
 * Copyright (c) 2009-2013 Todo.txt for Android contributors (http://todotxt.com)
 *
 * LICENSE:
 *
 * Todo.txt for Android 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 2 of the License, or (at your option) any
 * later version.
 *
 * Todo.txt for Android 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 Todo.txt for Android. If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * Todo.txt for Android's source code is available at https://github.com/ginatrapani/todo.txt-android
 *
 * @author Todo.txt for Android contributors <todotxt@yahoogroups.com>
 * @license http://www.gnu.org/licenses/gpl.html
 * @copyright 2009-2013 Todo.txt for Android contributors (http://todotxt.com)
 */

package com.todotxt.todotxttouch.widget;

import android.annotation.TargetApi;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.os.Build;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.style.StrikethroughSpan;
import android.util.Log;
import android.view.View;
import android.widget.RemoteViews;
import android.widget.RemoteViewsService;
import com.todotxt.todotxttouch.Constants;
import com.todotxt.todotxttouch.R;
import com.todotxt.todotxttouch.TodoApplication;
import com.todotxt.todotxttouch.task.FilterFactory;
import com.todotxt.todotxttouch.task.Task;
import com.todotxt.todotxttouch.task.TaskBag;
import com.todotxt.todotxttouch.util.Strings;
import com.todotxt.todotxttouch.util.Util;
import java.util.ArrayList;
import java.util.List;

@TargetApi (Build.VERSION_CODES.HONEYCOMB)
public class ListWidgetService extends RemoteViewsService {
  @Override
  public RemoteViewsFactory onGetViewFactory(Intent intent) {
    return new ListRemoteViewsFactory(this.getApplicationContext(), intent);
  }
}

class ListRemoteViewsFactory implements RemoteViewsService.RemoteViewsFactory {
  TodoApplication m_app;
  TaskBag taskBag;
  List<Task> tasks = new ArrayList<Task>();
  private static final String TAG = ListRemoteViewsFactory.class.getName();

  public ListRemoteViewsFactory(Context applicationContext, Intent intent) {
    Log.d(TAG, "ListRemoteViewsFactory instantiated");

    m_app = (TodoApplication) applicationContext;
    onDataSetChanged();
  }

  @Override
  public void onCreate() {
    // TODO Auto-generated method stub
  }

  @Override
  public void onDataSetChanged() {
    taskBag = m_app.getTaskBag();
    tasks = taskBag.getTasks(FilterFactory.generateAndFilter(m_app.m_prios,
        m_app.m_contexts, m_app.m_projects, m_app.m_search, false
      ),
      m_app.sort.getComparator()
    );
  }

  @Override
  public void onDestroy() {
    // TODO Auto-generated method stub
  }

  @Override
  public int getCount() {
    return tasks.size();
  }

  @Override
  public RemoteViews getViewAt(int position) {
    Task task = tasks.get(position);
    RemoteViews rv = new RemoteViews(m_app.getPackageName(), R.layout.listwidget_item);

    SpannableString ss = new SpannableString(task.inScreenFormat());
    Util.setGray(ss, task.getProjects());
    Util.setGray(ss, task.getContexts());

    if (task.isCompleted()) {
      ss.setSpan(new StrikethroughSpan(), 0, ss.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
    }

    rv.setTextViewText(R.id.listwidget_tasktext, ss);

    rv.setTextViewText(R.id.listwidget_taskprio, task.getPriority().inListFormat());
    int color = R.color.black;

    switch (task.getPriority()) {
      case A:
        color = R.color.green;

        break;
      case B:
        color = R.color.blue;

        break;
      case C:
        color = R.color.orange;

        break;
      case D:
        color = R.color.gold;

        break;
      default:
        color = R.color.black;
    }

    Resources resources = m_app.getResources();
    rv.setTextColor(R.id.listwidget_taskprio, resources.getColor(color));

    if (m_app.m_prefs.isPrependDateEnabled()
      && !task.isCompleted()
      && !Strings.isEmptyOrNull(task.getRelativeAge())) {
      rv.setTextViewText(R.id.listwidget_taskage, task.getRelativeAge());
      rv.setViewVisibility(R.id.listwidget_taskage, View.VISIBLE);
    } else {
      rv.setViewVisibility(R.id.listwidget_taskage, View.GONE);
    }

    // Set the click intent so that we can handle it
    final Intent fillInIntent = new Intent();
    fillInIntent.putExtra(Constants.EXTRA_TASK, getItemId(position));
    rv.setOnClickFillInIntent(R.id.listwidget_item, fillInIntent);

    return rv;
  }

  @Override
  public RemoteViews getLoadingView() {
    return null;
  }

  @Override
  public int getViewTypeCount() {
    return 1;
  }

  @Override
  public long getItemId(int position) {
    return tasks.get(position).getId();
  }

  @Override
  public boolean hasStableIds() {
    return false;
  }
}

Java Source Code List

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