| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.example.android.mediabrowserservice; |
| |
| import android.app.Activity; |
| import android.media.session.MediaSession; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.ArrayAdapter; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * A list adapter for items in a queue |
| */ |
| public class QueueAdapter extends ArrayAdapter<MediaSession.QueueItem> { |
| |
| // The currently selected/active queue item Id. |
| private long mActiveQueueItemId = MediaSession.QueueItem.UNKNOWN_ID; |
| |
| public QueueAdapter(Activity context) { |
| super(context, R.layout.media_list_item, new ArrayList<MediaSession.QueueItem>()); |
| } |
| |
| public void setActiveQueueItemId(long id) { |
| this.mActiveQueueItemId = id; |
| } |
| |
| private static class ViewHolder { |
| ImageView mImageView; |
| TextView mTitleView; |
| TextView mDescriptionView; |
| } |
| |
| public View getView(int position, View convertView, ViewGroup parent) { |
| ViewHolder holder; |
| |
| if (convertView == null) { |
| convertView = LayoutInflater.from(getContext()) |
| .inflate(R.layout.media_list_item, parent, false); |
| holder = new ViewHolder(); |
| holder.mImageView = (ImageView) convertView.findViewById(R.id.play_eq); |
| holder.mTitleView = (TextView) convertView.findViewById(R.id.title); |
| holder.mDescriptionView = (TextView) convertView.findViewById(R.id.description); |
| convertView.setTag(holder); |
| } else { |
| holder = (ViewHolder) convertView.getTag(); |
| } |
| |
| MediaSession.QueueItem item = getItem(position); |
| holder.mTitleView.setText(item.getDescription().getTitle()); |
| if (item.getDescription().getDescription() != null) { |
| holder.mDescriptionView.setText(item.getDescription().getDescription()); |
| } |
| |
| // If the itemId matches the active Id then use a different icon |
| if (mActiveQueueItemId == item.getQueueId()) { |
| holder.mImageView.setImageDrawable( |
| getContext().getDrawable(R.drawable.ic_equalizer_white_24dp)); |
| } else { |
| holder.mImageView.setImageDrawable( |
| getContext().getDrawable(R.drawable.ic_play_arrow_white_24dp)); |
| } |
| return convertView; |
| } |
| } |