Android Open Source - vanilindy One Cell Widget

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2010, 2011 Christopher Eby <kreed@kreed.org>
 *//www .ja  v  a2s.c o m
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package ch.blinkenlights.android.vanilla;

import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.widget.RemoteViews;

/**
 * 1x1 widget that shows title, album art, and hidden next and play/pause
 * buttons.
 */
public class OneCellWidget extends AppWidgetProvider {
  private static boolean sEnabled;

  @Override
  public void onEnabled(Context context)
  {
    sEnabled = true;
  }

  @Override
  public void onDisabled(Context context)
  {
    sEnabled = false;
  }

  @Override
  public void onUpdate(Context context, AppWidgetManager manager, int[] ids)
  {
    Song song = null;
    int state = 0;

    if (PlaybackService.hasInstance()) {
      PlaybackService service = PlaybackService.get(context);
      song = service.getSong(0);
      state = service.getState();
    }

    sEnabled = true;
    updateWidget(context, manager, song, state);
  }

  /**
   * Check if there are any instances of this widget placed.
   */
  public static void checkEnabled(Context context, AppWidgetManager manager)
  {
    sEnabled = manager.getAppWidgetIds(new ComponentName(context, OneCellWidget.class)).length != 0;
  }

  /**
   * Populate the widgets with the given ids with the given info.
   *
   * @param context A Context to use.
   * @param manager The AppWidgetManager that will be used to update the
   * widget.
   * @param song The current Song in PlaybackService.
   * @param state The current PlaybackService state.
   */
  public static void updateWidget(Context context, AppWidgetManager manager, Song song, int state)
  {
    if (!sEnabled)
      return;

    SharedPreferences settings = PlaybackService.getSettings(context);
    boolean doubleTap = settings.getBoolean(PrefKeys.DOUBLE_TAP, false);

    RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.one_cell_widget);

    boolean playing = (state & PlaybackService.FLAG_PLAYING) != 0;
    views.setImageViewResource(R.id.play_pause, playing ? R.drawable.hidden_pause : R.drawable.hidden_play);

    ComponentName service = new ComponentName(context, PlaybackService.class);

    Intent playPause = new Intent(doubleTap ? PlaybackService.ACTION_TOGGLE_PLAYBACK_DELAYED : PlaybackService.ACTION_TOGGLE_PLAYBACK);
    playPause.setComponent(service);
    views.setOnClickPendingIntent(R.id.play_pause, PendingIntent.getService(context, 0, playPause, 0));

    Intent next = new Intent(doubleTap ? PlaybackService.ACTION_NEXT_SONG_DELAYED : PlaybackService.ACTION_NEXT_SONG);
    next.setComponent(service);
    views.setOnClickPendingIntent(R.id.next, PendingIntent.getService(context, 0, next, 0));

    Bitmap cover = null;
    if ((state & PlaybackService.FLAG_NO_MEDIA) != 0) {
      views.setInt(R.id.title, "setText", R.string.no_songs);
    } else if (song == null) {
      views.setInt(R.id.title, "setText", R.string.app_name);
    } else {
      views.setTextViewText(R.id.title, song.title);
      cover = song.getCover(context);
    }

    if (cover == null) {
      views.setImageViewResource(R.id.cover, R.drawable.fallback_cover);
    } else {
      views.setImageViewBitmap(R.id.cover, cover);
    }

    manager.updateAppWidget(new ComponentName(context, OneCellWidget.class), views);
  }
}

Java Source Code List

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