samples/SupportLeanbackDemos/src/com/example/android/leanback/PlaybackOverlayFragment.java - platform/frameworks/support - Git at Google

 /*
  * 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.leanback;

 import java.util.ArrayList;

 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.Handler;
 import android.support.v17.leanback.widget.Action;
 import android.support.v17.leanback.widget.ArrayObjectAdapter;
 import android.support.v17.leanback.widget.ClassPresenterSelector;
 import android.support.v17.leanback.widget.AbstractDetailsDescriptionPresenter;
 import android.support.v17.leanback.widget.PlaybackControlsRow;
 import android.support.v17.leanback.widget.PlaybackControlsRow.PlayPauseAction;
 import android.support.v17.leanback.widget.PlaybackControlsRow.RepeatAction;
 import android.support.v17.leanback.widget.PlaybackControlsRow.ThumbsUpAction;
 import android.support.v17.leanback.widget.PlaybackControlsRow.ThumbsDownAction;
 import android.support.v17.leanback.widget.PlaybackControlsRow.ShuffleAction;
 import android.support.v17.leanback.widget.PlaybackControlsRow.SkipNextAction;
 import android.support.v17.leanback.widget.PlaybackControlsRow.SkipPreviousAction;
 import android.support.v17.leanback.widget.PlaybackControlsRowPresenter;
 import android.support.v17.leanback.widget.HeaderItem;
 import android.support.v17.leanback.widget.VerticalGridView;
 import android.support.v17.leanback.widget.Row;
 import android.support.v17.leanback.widget.ListRow;
 import android.support.v17.leanback.widget.Presenter;
 import android.support.v17.leanback.widget.RowPresenter;
 import android.support.v17.leanback.widget.ListRowPresenter;
 import android.support.v17.leanback.widget.OnActionClickedListener;
 import android.support.v17.leanback.widget.OnItemViewSelectedListener;
 import android.support.v17.leanback.widget.OnItemViewClickedListener;
 import android.support.v17.leanback.widget.ControlButtonPresenterSelector;
 import android.util.Log;
 import android.widget.Toast;

 public class PlaybackOverlayFragment extends android.support.v17.leanback.app.PlaybackOverlayFragment {
     private static final String TAG = "leanback.PlaybackControlsFragment";

     private static final boolean SHOW_DETAIL = true;
     private static final boolean HIDE_MORE_ACTIONS = false;
     private static final int PRIMARY_CONTROLS = 5;
     private static final boolean SHOW_IMAGE = PRIMARY_CONTROLS <= 5;
     private static final int BACKGROUND_TYPE = PlaybackOverlayFragment.BG_LIGHT;
     private static final int MORE_ROWS = 3;

     private ArrayObjectAdapter mRowsAdapter;
     private ArrayObjectAdapter mPrimaryActionsAdapter;
     private ArrayObjectAdapter mSecondaryActionsAdapter;
     private PlayPauseAction mPlayPauseAction;
     private RepeatAction mRepeatAction;
     private ThumbsUpAction mThumbsUpAction;
     private ThumbsDownAction mThumbsDownAction;
     private ShuffleAction mShuffleAction;
     private SkipNextAction mSkipNextAction;
     private SkipPreviousAction mSkipPreviousAction;
     private PlaybackControlsRow mPlaybackControlsRow;
     private ArrayList<MediaItem> mItems = new ArrayList<MediaItem>();
     private int mCurrentItem;
     private Handler mHandler;
     private Runnable mRunnable;

     @Override
     public void onCreate(Bundle savedInstanceState) {
         Log.i(TAG, "onCreate");
         super.onCreate(savedInstanceState);

         mHandler = new Handler();

         setBackgroundType(BACKGROUND_TYPE);
         setFadingEnabled(false);

         setupRows();

         setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
             @Override
             public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
                     RowPresenter.ViewHolder rowViewHolder, Row row) {
                 Log.i(TAG, "onItemSelected: " + item + " row " + row);
             }
         });
         setOnItemViewClickedListener(new OnItemViewClickedListener() {
             @Override
             public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
                     RowPresenter.ViewHolder rowViewHolder, Row row) {
                 Log.i(TAG, "onItemClicked: " + item + " row " + row);
             }
         });
     }


     private void setupRows() {
         ClassPresenterSelector ps = new ClassPresenterSelector();

         PlaybackControlsRowPresenter playbackControlsRowPresenter;
         if (SHOW_DETAIL) {
             playbackControlsRowPresenter = new PlaybackControlsRowPresenter(
                     new DescriptionPresenter());
         } else {
             playbackControlsRowPresenter = new PlaybackControlsRowPresenter();
         }
         playbackControlsRowPresenter.setOnActionClickedListener(new OnActionClickedListener() {
             public void onActionClicked(Action action) {
                 if (action.getId() == mPlayPauseAction.getId()) {
                     if (mPlayPauseAction.getIndex() == PlayPauseAction.PLAY) {
                         startProgressAutomation();
                         setFadingEnabled(true);
                     } else {
                         stopProgressAutomation();
                         setFadingEnabled(false);
                     }
                 } else if (action.getId() == mSkipNextAction.getId()) {
                     next();
                 } else if (action.getId() == mSkipPreviousAction.getId()) {
                     Toast.makeText(getActivity(), "TODO", Toast.LENGTH_SHORT).show();
                 }
                 if (action instanceof PlaybackControlsRow.MultiAction) {
                     ((PlaybackControlsRow.MultiAction) action).nextIndex();
                     notifyChanged(action);
                 }
             }
         });
         playbackControlsRowPresenter.setSecondaryActionsHidden(HIDE_MORE_ACTIONS);

         ps.addClassPresenter(PlaybackControlsRow.class, playbackControlsRowPresenter);
         ps.addClassPresenter(ListRow.class, new ListRowPresenter());
         mRowsAdapter = new ArrayObjectAdapter(ps);

         addPlaybackControlsRow();
         addOtherRows();

         setAdapter(mRowsAdapter);
     }

     private void addPlaybackControlsRow() {
         Context context = getActivity();

         if (SHOW_DETAIL) {
             mPlaybackControlsRow = new PlaybackControlsRow(new MediaItem());
         } else {
             mPlaybackControlsRow = new PlaybackControlsRow();
         }
         mRowsAdapter.add(mPlaybackControlsRow);

         mItems = new ArrayList<MediaItem>();
         mItems.add(new MediaItem("Awesome Tune", "The More Awesome Band", R.drawable.details_img, 15*1000));
         mItems.add(new MediaItem("Pretty nice Tune", "The Nice Guys", R.drawable.details_img, 10*1000));
         mCurrentItem = 1;
         updatePlaybackRow(mCurrentItem);

         ControlButtonPresenterSelector presenterSelector = new ControlButtonPresenterSelector();
         mPrimaryActionsAdapter = new ArrayObjectAdapter(presenterSelector);
         mSecondaryActionsAdapter = new ArrayObjectAdapter(presenterSelector);
         mPlaybackControlsRow.setPrimaryActionsAdapter(mPrimaryActionsAdapter);
         mPlaybackControlsRow.setSecondaryActionsAdapter(mSecondaryActionsAdapter);

         mPlayPauseAction = new PlayPauseAction(context);
         mRepeatAction = new RepeatAction(context);
         mThumbsUpAction = new ThumbsUpAction(context);
         mThumbsDownAction = new ThumbsDownAction(context);
         mShuffleAction = new ShuffleAction(context);
         mSkipNextAction = new PlaybackControlsRow.SkipNextAction(context);
         mSkipPreviousAction = new PlaybackControlsRow.SkipPreviousAction(context);

         if (PRIMARY_CONTROLS > 5) {
             mPrimaryActionsAdapter.add(mThumbsUpAction);
         } else {
             mSecondaryActionsAdapter.add(mThumbsUpAction);
         }
         mPrimaryActionsAdapter.add(mSkipPreviousAction);
         if (PRIMARY_CONTROLS > 3) {
             mPrimaryActionsAdapter.add(new PlaybackControlsRow.RewindAction(context));
         }
         mPrimaryActionsAdapter.add(mPlayPauseAction);
         if (PRIMARY_CONTROLS > 3) {
             mPrimaryActionsAdapter.add(new PlaybackControlsRow.FastForwardAction(context));
         }
         mPrimaryActionsAdapter.add(mSkipNextAction);

         mSecondaryActionsAdapter.add(mRepeatAction);
         mSecondaryActionsAdapter.add(mShuffleAction);
         if (PRIMARY_CONTROLS > 5) {
             mPrimaryActionsAdapter.add(mThumbsDownAction);
         } else {
             mSecondaryActionsAdapter.add(mThumbsDownAction);
         }
         mSecondaryActionsAdapter.add(new PlaybackControlsRow.HighQualityAction(context));
         mSecondaryActionsAdapter.add(new PlaybackControlsRow.ClosedCaptioningAction(context));
     }

     private void notifyChanged(Action action) {
         ArrayObjectAdapter adapter = mPrimaryActionsAdapter;
         if (adapter.indexOf(action) >= 0) {
             adapter.notifyArrayItemRangeChanged(adapter.indexOf(action), 1);
             return;
         }
         adapter = mSecondaryActionsAdapter;
         if (adapter.indexOf(action) >= 0) {
             adapter.notifyArrayItemRangeChanged(adapter.indexOf(action), 1);
             return;
         }
     }

     private void updatePlaybackRow(int index) {
         if (mPlaybackControlsRow.getItem() != null) {
             MediaItem item = (MediaItem) mPlaybackControlsRow.getItem();
             item.title = mItems.get(index).title;
             item.subtitle = mItems.get(index).subtitle;
         }
         if (SHOW_IMAGE) {
             mPlaybackControlsRow.setImageDrawable(getResources().getDrawable(
                     mItems.get(mCurrentItem).imageResId));
         }
         mRowsAdapter.notifyArrayItemRangeChanged(0, 1);

         mPlaybackControlsRow.setTotalTime(mItems.get(mCurrentItem).durationMs);
         mPlaybackControlsRow.setCurrentTime(0);
         mPlaybackControlsRow.setBufferedProgress(75 * 1000);
     }

     private void addOtherRows() {
         for (int i = 0; i < MORE_ROWS; ++i) {
             ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(new StringPresenter());
             listRowAdapter.add("Some related content");
             listRowAdapter.add("Other related content");
             HeaderItem header = new HeaderItem(i, "Row " + i, null);
             mRowsAdapter.add(new ListRow(header, listRowAdapter));
         }
     }

     private int getUpdatePeriod() {
         if (getView() == null || mPlaybackControlsRow.getTotalTime() <= 0) {
             return 1000;
         }
         return Math.max(16, mPlaybackControlsRow.getTotalTime() / getView().getWidth());
     }

     private void startProgressAutomation() {
         mRunnable = new Runnable() {
             @Override
             public void run() {
                 int updatePeriod = getUpdatePeriod();
                 int currentTime = mPlaybackControlsRow.getCurrentTime() + updatePeriod;
                 int totalTime = mPlaybackControlsRow.getTotalTime();
                 mPlaybackControlsRow.setCurrentTime(currentTime);
                 if (totalTime > 0 && totalTime <= currentTime) {
                     next();
                 }
                 mHandler.postDelayed(this, updatePeriod);
             }
         };
         mHandler.postDelayed(mRunnable, getUpdatePeriod());
     }

     private void next() {
         if (++mCurrentItem >= mItems.size()) {
             mCurrentItem = 0;
         }
         updatePlaybackRow(mCurrentItem);
     }

     private void stopProgressAutomation() {
         if (mHandler != null && mRunnable != null) {
             mHandler.removeCallbacks(mRunnable);
         }
     }

     @Override
     public void onStop() {
         stopProgressAutomation();
         super.onStop();
     }

     static class MediaItem {
         String title;
         String subtitle;
         int imageResId;
         int durationMs;

         MediaItem() {
         }

         MediaItem(String title, String subtitle, int imageResId, int durationMs) {
             this.title = title;
             this.subtitle = subtitle;
             this.imageResId = imageResId;
             this.durationMs = durationMs;
         }
     }

     static class DescriptionPresenter extends AbstractDetailsDescriptionPresenter {
         @Override
         protected void onBindDescription(ViewHolder vh, Object item) {
             vh.getTitle().setText(((MediaItem) item).title);
             vh.getSubtitle().setText(((MediaItem) item).subtitle);
         }
     }
 }
	/*
	* 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.leanback;

	import java.util.ArrayList;

	import android.content.Context;
	import android.content.res.Resources;
	import android.graphics.drawable.Drawable;
	import android.os.Bundle;
	import android.os.Handler;
	import android.support.v17.leanback.widget.Action;
	import android.support.v17.leanback.widget.ArrayObjectAdapter;
	import android.support.v17.leanback.widget.ClassPresenterSelector;
	import android.support.v17.leanback.widget.AbstractDetailsDescriptionPresenter;
	import android.support.v17.leanback.widget.PlaybackControlsRow;
	import android.support.v17.leanback.widget.PlaybackControlsRow.PlayPauseAction;
	import android.support.v17.leanback.widget.PlaybackControlsRow.RepeatAction;
	import android.support.v17.leanback.widget.PlaybackControlsRow.ThumbsUpAction;
	import android.support.v17.leanback.widget.PlaybackControlsRow.ThumbsDownAction;
	import android.support.v17.leanback.widget.PlaybackControlsRow.ShuffleAction;
	import android.support.v17.leanback.widget.PlaybackControlsRow.SkipNextAction;
	import android.support.v17.leanback.widget.PlaybackControlsRow.SkipPreviousAction;
	import android.support.v17.leanback.widget.PlaybackControlsRowPresenter;
	import android.support.v17.leanback.widget.HeaderItem;
	import android.support.v17.leanback.widget.VerticalGridView;
	import android.support.v17.leanback.widget.Row;
	import android.support.v17.leanback.widget.ListRow;
	import android.support.v17.leanback.widget.Presenter;
	import android.support.v17.leanback.widget.RowPresenter;
	import android.support.v17.leanback.widget.ListRowPresenter;
	import android.support.v17.leanback.widget.OnActionClickedListener;
	import android.support.v17.leanback.widget.OnItemViewSelectedListener;
	import android.support.v17.leanback.widget.OnItemViewClickedListener;
	import android.support.v17.leanback.widget.ControlButtonPresenterSelector;
	import android.util.Log;
	import android.widget.Toast;

	public class PlaybackOverlayFragment extends android.support.v17.leanback.app.PlaybackOverlayFragment {
	private static final String TAG = "leanback.PlaybackControlsFragment";

	private static final boolean SHOW_DETAIL = true;
	private static final boolean HIDE_MORE_ACTIONS = false;
	private static final int PRIMARY_CONTROLS = 5;
	private static final boolean SHOW_IMAGE = PRIMARY_CONTROLS <= 5;
	private static final int BACKGROUND_TYPE = PlaybackOverlayFragment.BG_LIGHT;
	private static final int MORE_ROWS = 3;

	private ArrayObjectAdapter mRowsAdapter;
	private ArrayObjectAdapter mPrimaryActionsAdapter;
	private ArrayObjectAdapter mSecondaryActionsAdapter;
	private PlayPauseAction mPlayPauseAction;
	private RepeatAction mRepeatAction;
	private ThumbsUpAction mThumbsUpAction;
	private ThumbsDownAction mThumbsDownAction;
	private ShuffleAction mShuffleAction;
	private SkipNextAction mSkipNextAction;
	private SkipPreviousAction mSkipPreviousAction;
	private PlaybackControlsRow mPlaybackControlsRow;
	private ArrayList<MediaItem> mItems = new ArrayList<MediaItem>();
	private int mCurrentItem;
	private Handler mHandler;
	private Runnable mRunnable;

	@Override
	public void onCreate(Bundle savedInstanceState) {
	Log.i(TAG, "onCreate");
	super.onCreate(savedInstanceState);

	mHandler = new Handler();

	setBackgroundType(BACKGROUND_TYPE);
	setFadingEnabled(false);

	setupRows();

	setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
	@Override
	public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
	RowPresenter.ViewHolder rowViewHolder, Row row) {
	Log.i(TAG, "onItemSelected: " + item + " row " + row);
	}
	});
	setOnItemViewClickedListener(new OnItemViewClickedListener() {
	@Override
	public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
	RowPresenter.ViewHolder rowViewHolder, Row row) {
	Log.i(TAG, "onItemClicked: " + item + " row " + row);
	}
	});
	}


	private void setupRows() {
	ClassPresenterSelector ps = new ClassPresenterSelector();

	PlaybackControlsRowPresenter playbackControlsRowPresenter;
	if (SHOW_DETAIL) {
	playbackControlsRowPresenter = new PlaybackControlsRowPresenter(
	new DescriptionPresenter());
	} else {
	playbackControlsRowPresenter = new PlaybackControlsRowPresenter();
	}
	playbackControlsRowPresenter.setOnActionClickedListener(new OnActionClickedListener() {
	public void onActionClicked(Action action) {
	if (action.getId() == mPlayPauseAction.getId()) {
	if (mPlayPauseAction.getIndex() == PlayPauseAction.PLAY) {
	startProgressAutomation();
	setFadingEnabled(true);
	} else {
	stopProgressAutomation();
	setFadingEnabled(false);
	}
	} else if (action.getId() == mSkipNextAction.getId()) {
	next();
	} else if (action.getId() == mSkipPreviousAction.getId()) {
	Toast.makeText(getActivity(), "TODO", Toast.LENGTH_SHORT).show();
	}
	if (action instanceof PlaybackControlsRow.MultiAction) {
	((PlaybackControlsRow.MultiAction) action).nextIndex();
	notifyChanged(action);
	}
	}
	});
	playbackControlsRowPresenter.setSecondaryActionsHidden(HIDE_MORE_ACTIONS);

	ps.addClassPresenter(PlaybackControlsRow.class, playbackControlsRowPresenter);
	ps.addClassPresenter(ListRow.class, new ListRowPresenter());
	mRowsAdapter = new ArrayObjectAdapter(ps);

	addPlaybackControlsRow();
	addOtherRows();

	setAdapter(mRowsAdapter);
	}

	private void addPlaybackControlsRow() {
	Context context = getActivity();

	if (SHOW_DETAIL) {
	mPlaybackControlsRow = new PlaybackControlsRow(new MediaItem());
	} else {
	mPlaybackControlsRow = new PlaybackControlsRow();
	}
	mRowsAdapter.add(mPlaybackControlsRow);

	mItems = new ArrayList<MediaItem>();
	mItems.add(new MediaItem("Awesome Tune", "The More Awesome Band", R.drawable.details_img, 15*1000));
	mItems.add(new MediaItem("Pretty nice Tune", "The Nice Guys", R.drawable.details_img, 10*1000));
	mCurrentItem = 1;
	updatePlaybackRow(mCurrentItem);

	ControlButtonPresenterSelector presenterSelector = new ControlButtonPresenterSelector();
	mPrimaryActionsAdapter = new ArrayObjectAdapter(presenterSelector);
	mSecondaryActionsAdapter = new ArrayObjectAdapter(presenterSelector);
	mPlaybackControlsRow.setPrimaryActionsAdapter(mPrimaryActionsAdapter);
	mPlaybackControlsRow.setSecondaryActionsAdapter(mSecondaryActionsAdapter);

	mPlayPauseAction = new PlayPauseAction(context);
	mRepeatAction = new RepeatAction(context);
	mThumbsUpAction = new ThumbsUpAction(context);
	mThumbsDownAction = new ThumbsDownAction(context);
	mShuffleAction = new ShuffleAction(context);
	mSkipNextAction = new PlaybackControlsRow.SkipNextAction(context);
	mSkipPreviousAction = new PlaybackControlsRow.SkipPreviousAction(context);

	if (PRIMARY_CONTROLS > 5) {
	mPrimaryActionsAdapter.add(mThumbsUpAction);
	} else {
	mSecondaryActionsAdapter.add(mThumbsUpAction);
	}
	mPrimaryActionsAdapter.add(mSkipPreviousAction);
	if (PRIMARY_CONTROLS > 3) {
	mPrimaryActionsAdapter.add(new PlaybackControlsRow.RewindAction(context));
	}
	mPrimaryActionsAdapter.add(mPlayPauseAction);
	if (PRIMARY_CONTROLS > 3) {
	mPrimaryActionsAdapter.add(new PlaybackControlsRow.FastForwardAction(context));
	}
	mPrimaryActionsAdapter.add(mSkipNextAction);

	mSecondaryActionsAdapter.add(mRepeatAction);
	mSecondaryActionsAdapter.add(mShuffleAction);
	if (PRIMARY_CONTROLS > 5) {
	mPrimaryActionsAdapter.add(mThumbsDownAction);
	} else {
	mSecondaryActionsAdapter.add(mThumbsDownAction);
	}
	mSecondaryActionsAdapter.add(new PlaybackControlsRow.HighQualityAction(context));
	mSecondaryActionsAdapter.add(new PlaybackControlsRow.ClosedCaptioningAction(context));
	}

	private void notifyChanged(Action action) {
	ArrayObjectAdapter adapter = mPrimaryActionsAdapter;
	if (adapter.indexOf(action) >= 0) {
	adapter.notifyArrayItemRangeChanged(adapter.indexOf(action), 1);
	return;
	}
	adapter = mSecondaryActionsAdapter;
	if (adapter.indexOf(action) >= 0) {
	adapter.notifyArrayItemRangeChanged(adapter.indexOf(action), 1);
	return;
	}
	}

	private void updatePlaybackRow(int index) {
	if (mPlaybackControlsRow.getItem() != null) {
	MediaItem item = (MediaItem) mPlaybackControlsRow.getItem();
	item.title = mItems.get(index).title;
	item.subtitle = mItems.get(index).subtitle;
	}
	if (SHOW_IMAGE) {
	mPlaybackControlsRow.setImageDrawable(getResources().getDrawable(
	mItems.get(mCurrentItem).imageResId));
	}
	mRowsAdapter.notifyArrayItemRangeChanged(0, 1);

	mPlaybackControlsRow.setTotalTime(mItems.get(mCurrentItem).durationMs);
	mPlaybackControlsRow.setCurrentTime(0);
	mPlaybackControlsRow.setBufferedProgress(75 * 1000);
	}

	private void addOtherRows() {
	for (int i = 0; i < MORE_ROWS; ++i) {
	ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(new StringPresenter());
	listRowAdapter.add("Some related content");
	listRowAdapter.add("Other related content");
	HeaderItem header = new HeaderItem(i, "Row " + i, null);
	mRowsAdapter.add(new ListRow(header, listRowAdapter));
	}
	}

	private int getUpdatePeriod() {
	if (getView() == null \|\| mPlaybackControlsRow.getTotalTime() <= 0) {
	return 1000;
	}
	return Math.max(16, mPlaybackControlsRow.getTotalTime() / getView().getWidth());
	}

	private void startProgressAutomation() {
	mRunnable = new Runnable() {
	@Override
	public void run() {
	int updatePeriod = getUpdatePeriod();
	int currentTime = mPlaybackControlsRow.getCurrentTime() + updatePeriod;
	int totalTime = mPlaybackControlsRow.getTotalTime();
	mPlaybackControlsRow.setCurrentTime(currentTime);
	if (totalTime > 0 && totalTime <= currentTime) {
	next();
	}
	mHandler.postDelayed(this, updatePeriod);
	}
	};
	mHandler.postDelayed(mRunnable, getUpdatePeriod());
	}

	private void next() {
	if (++mCurrentItem >= mItems.size()) {
	mCurrentItem = 0;
	}
	updatePlaybackRow(mCurrentItem);
	}

	private void stopProgressAutomation() {
	if (mHandler != null && mRunnable != null) {
	mHandler.removeCallbacks(mRunnable);
	}
	}

	@Override
	public void onStop() {
	stopProgressAutomation();
	super.onStop();
	}

	static class MediaItem {
	String title;
	String subtitle;
	int imageResId;
	int durationMs;

	MediaItem() {
	}

	MediaItem(String title, String subtitle, int imageResId, int durationMs) {
	this.title = title;
	this.subtitle = subtitle;
	this.imageResId = imageResId;
	this.durationMs = durationMs;
	}
	}

	static class DescriptionPresenter extends AbstractDetailsDescriptionPresenter {
	@Override
	protected void onBindDescription(ViewHolder vh, Object item) {
	vh.getTitle().setText(((MediaItem) item).title);
	vh.getSubtitle().setText(((MediaItem) item).subtitle);
	}
	}
	}