Android Open Source - Todo Todo Widget Provider

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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).
 *//from  ww w .  ja  va 2  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;

import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.Intent;
import android.content.res.Resources;
import android.text.SpannableString;
import android.util.Log;
import android.view.View;
import android.widget.RemoteViews;
import com.todotxt.todotxttouch.task.Task;
import com.todotxt.todotxttouch.task.TaskBag;
import java.util.List;

public class TodoWidgetProvider extends AppWidgetProvider {
  private static final String TAG = TodoWidgetProvider.class.getName();
  private static final int TASKS_TO_DISPLAY = 3;

  private static final int TASK_ID = 0;
  private static final int TASK_PRIO = 1;
  private static final int TASK_TEXT = 2;

  private final int[][] id = {
    {
      R.id.todoWidget_IdTask1, R.id.todoWidget_PrioTask1,
      R.id.todoWidget_TextTask1
    },
    {
      R.id.todoWidget_IdTask2, R.id.todoWidget_PrioTask2,
      R.id.todoWidget_TextTask2
    },
    {
      R.id.todoWidget_IdTask3, R.id.todoWidget_PrioTask3,
      R.id.todoWidget_TextTask3
    }
  };

  @Override
  public void onReceive(Context context, Intent intent) {
    super.onReceive(context, intent);

    // receive intent and update widget content
    if (Constants.INTENT_WIDGET_UPDATE.equals(intent.getAction())) {
      Log.d(TAG, "Update widget intent received ");

      updateWidgetContent(context, AppWidgetManager.getInstance(context), null, null);
    }
  }

  private void updateWidgetContent(Context context,
    AppWidgetManager appWidgetManager, int[] widgetIds,
    RemoteViews remoteViews) {

    Log.d(TAG, "Updating TodoWidgetProvider content.");

    // get widget ID's if not provided
    if (widgetIds == null) {
      widgetIds = appWidgetManager.getAppWidgetIds(new ComponentName(
          context, TodoWidgetProvider.class.getName()
        )
      );
    }

    // get remoteViews if not provided
    if (remoteViews == null) {
      remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget);
    }

    // get taskBag from application
    TaskBag taskBag = ((TodoApplication) ((ContextWrapper) context).getBaseContext())
      .getTaskBag();

    List<Task> tasks = taskBag.getTasks();
    int taskCount = tasks.size();
    Resources resources = context.getResources();

    for (int i = 0; i < TASKS_TO_DISPLAY; i++) {
      // get task to display
      if (i >= tasks.size()) {
        // no more tasks to display
        remoteViews.setViewVisibility(id[i][TASK_ID], View.GONE);
        remoteViews.setViewVisibility(id[i][TASK_PRIO], View.GONE);
        remoteViews.setViewVisibility(id[i][TASK_TEXT], View.GONE);

        continue;
      }

      Task task = tasks.get(i);

      if (!task.isCompleted()) { // don't show completed tasks
        // text
        String taskText;

        if (task.inScreenFormat().length() > 33) {
          taskText = task.inScreenFormat().substring(0, 33) + "...";
        } else {
          taskText = task.inScreenFormat();
        }

        SpannableString ss = new SpannableString(taskText);
        remoteViews.setTextViewText(id[i][TASK_TEXT], ss);
        remoteViews.setViewVisibility(id[i][TASK_TEXT], View.VISIBLE);

        // priority
        int color = R.color.white;

        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;
          default:
            break;
        }

        remoteViews.setTextViewText(id[i][TASK_PRIO], task.getPriority().inListFormat());
        remoteViews.setTextColor(id[i][TASK_PRIO], resources.getColor(color));
        remoteViews.setViewVisibility(id[i][TASK_PRIO], View.VISIBLE);
      }
    }

    remoteViews.setViewVisibility(R.id.empty, taskCount == 0 ? View.VISIBLE : View.GONE);

    appWidgetManager.updateAppWidget(widgetIds, remoteViews);
  }

  @Override
  public void onUpdate(Context context, AppWidgetManager appWidgetManager,
    int[] appWidgetIds) {
    super.onUpdate(context, appWidgetManager, appWidgetIds);

    RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget);

    //        Intent intent = new Intent(context, LoginScreen.class);
    //        PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);
    //        remoteViews.setOnClickPendingIntent(R.id.widget_launchbutton, pendingIntent);
    Intent intent = new Intent(context, AddTask.class);
    PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);
    remoteViews.setOnClickPendingIntent(R.id.widget_addbutton, pendingIntent);

    updateWidgetContent(context, appWidgetManager, appWidgetIds, remoteViews);
  }
}

Java Source Code List

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