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      1 // CHECKSTYLE:OFF Generated code
      2 /* This file is auto-generated from OnboardingDemoFragment.java.  DO NOT MODIFY. */
      3 
      4 /*
      5  * Copyright (C) 2016 The Android Open Source Project
      6  *
      7  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
      8  * in compliance with the License. You may obtain a copy of the License at
      9  *
     10  * http://www.apache.org/licenses/LICENSE-2.0
     11  *
     12  * Unless required by applicable law or agreed to in writing, software distributed under the License
     13  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
     14  * or implied. See the License for the specific language governing permissions and limitations under
     15  * the License.
     16  */
     17 package com.example.android.leanback;
     18 
     19 import android.net.Uri;
     20 import android.os.Bundle;
     21 import android.support.v17.leanback.app.VideoSupportFragmentGlueHost;
     22 import android.support.v17.leanback.media.MediaPlayerAdapter;
     23 import android.support.v17.leanback.media.PlaybackGlue;
     24 import android.support.v17.leanback.media.PlaybackTransportControlGlue;
     25 import android.support.v17.leanback.widget.PlaybackControlsRow;
     26 import android.support.v4.media.session.MediaSessionCompat;
     27 
     28 /**
     29  * Fragment demonstrating the use of {@link android.support.v17.leanback.app.VideoSupportFragment} to
     30  * render video with playback controls. And demonstrates video seeking with thumbnails.
     31  *
     32  * Generate 1 frame per second thumbnail bitmaps and put on sdcard:
     33  * <pre>
     34  * sudo apt-get install libav-tools
     35  * avconv -i input.mp4 -s 240x135 -vsync 1 -r 1 -an -y -qscale 8 frame_%04d.jpg
     36  * adb shell mkdir /sdcard/seek
     37  * adb push frame_*.jpg /sdcard/seek/
     38  * </pre>
     39  * Change to 1 frame per minute: use "-r 1/60".
     40  * For more options, see https://wiki.libav.org/Snippets/avconv
     41  *
     42  * <p>
     43  * Showcase:
     44  * </p>
     45  * <li>Auto play when ready</li>
     46  * <li>Set seek provider</li>
     47  * <li>switch MediaSource</li>
     48  * <li>switch PlaybackGlue</li>
     49  */
     50 public class SampleVideoSupportFragment extends android.support.v17.leanback.app.VideoSupportFragment {
     51 
     52     // Media Session Token
     53     private static final String MEDIA_SESSION_COMPAT_TOKEN = "media session support video";
     54 
     55     private PlaybackTransportControlGlueSample<MediaPlayerAdapter> mMediaPlayerGlue;
     56 
     57     private MediaSessionCompat mMediaSessionCompat;
     58 
     59     final VideoSupportFragmentGlueHost mHost = new VideoSupportFragmentGlueHost(SampleVideoSupportFragment.this);
     60 
     61     static void playWhenReady(PlaybackGlue glue) {
     62         if (glue.isPrepared()) {
     63             glue.play();
     64         } else {
     65             glue.addPlayerCallback(new PlaybackGlue.PlayerCallback() {
     66                 @Override
     67                 public void onPreparedStateChanged(PlaybackGlue glue) {
     68                     if (glue.isPrepared()) {
     69                         glue.removePlayerCallback(this);
     70                         glue.play();
     71                     }
     72                 }
     73             });
     74         }
     75     }
     76 
     77     static void loadSeekData(final PlaybackTransportControlGlue glue) {
     78         if (glue.isPrepared()) {
     79             glue.setSeekProvider(new PlaybackSeekDiskDataProvider(
     80                     glue.getDuration(),
     81                     1000,
     82                     "/sdcard/seek/frame_%04d.jpg"));
     83         } else {
     84             glue.addPlayerCallback(new PlaybackGlue.PlayerCallback() {
     85                 @Override
     86                 public void onPreparedStateChanged(PlaybackGlue glue) {
     87                     if (glue.isPrepared()) {
     88                         glue.removePlayerCallback(this);
     89                         PlaybackTransportControlGlue transportControlGlue =
     90                                 (PlaybackTransportControlGlue) glue;
     91                         transportControlGlue.setSeekProvider(new PlaybackSeekDiskDataProvider(
     92                                 transportControlGlue.getDuration(),
     93                                 1000,
     94                                 "/sdcard/seek/frame_%04d.jpg"));
     95                     }
     96                 }
     97             });
     98         }
     99     }
    100 
    101     @Override
    102     public void onCreate(Bundle savedInstanceState) {
    103         super.onCreate(savedInstanceState);
    104         mMediaPlayerGlue = new PlaybackTransportControlGlueSample(getActivity(),
    105                 new MediaPlayerAdapter(getActivity()));
    106 
    107         // create a media session inside of a fragment, and app developer can determine if connect
    108         // this media session to glue or not
    109         // as requested in b/64935838
    110         mMediaSessionCompat = new MediaSessionCompat(getActivity(), MEDIA_SESSION_COMPAT_TOKEN);
    111         mMediaPlayerGlue.connectToMediaSession(mMediaSessionCompat);
    112 
    113         mMediaPlayerGlue.setHost(mHost);
    114         mMediaPlayerGlue.setMode(PlaybackControlsRow.RepeatAction.INDEX_NONE);
    115         mMediaPlayerGlue.addPlayerCallback(new PlaybackGlue.PlayerCallback() {
    116             boolean mSecondCompleted = false;
    117             @Override
    118             public void onPlayCompleted(PlaybackGlue glue) {
    119                 if (!mSecondCompleted) {
    120                     mSecondCompleted = true;
    121                     mMediaPlayerGlue.setSubtitle("Leanback artist Changed!");
    122                     mMediaPlayerGlue.setTitle("Leanback team at work");
    123                     String uriPath = "https://storage.googleapis.com/android-tv/Sample videos/"
    124                             + "April Fool's 2013/Explore Treasure Mode with Google Maps.mp4";
    125                     mMediaPlayerGlue.getPlayerAdapter().setDataSource(Uri.parse(uriPath));
    126                     loadSeekData(mMediaPlayerGlue);
    127                     playWhenReady(mMediaPlayerGlue);
    128                 } else {
    129                     mMediaPlayerGlue.removePlayerCallback(this);
    130                     switchAnotherGlue();
    131                 }
    132             }
    133         });
    134         mMediaPlayerGlue.setSubtitle("Leanback artist");
    135         mMediaPlayerGlue.setTitle("Leanback team at work");
    136         String uriPath = "https://storage.googleapis.com/android-tv/Sample videos/"
    137                 + "April Fool's 2013/Explore Treasure Mode with Google Maps.mp4";
    138         mMediaPlayerGlue.getPlayerAdapter().setDataSource(Uri.parse(uriPath));
    139         loadSeekData(mMediaPlayerGlue);
    140         playWhenReady(mMediaPlayerGlue);
    141     }
    142 
    143     @Override
    144     public void onPause() {
    145         if (mMediaPlayerGlue != null) {
    146             mMediaPlayerGlue.pause();
    147         }
    148         super.onPause();
    149     }
    150 
    151     @Override
    152     public void onDestroy() {
    153         super.onDestroy();
    154         mMediaPlayerGlue.disconnectToMediaSession();
    155     }
    156 
    157     void switchAnotherGlue() {
    158         mMediaPlayerGlue = new PlaybackTransportControlGlueSample(getActivity(),
    159                 new MediaPlayerAdapter(getActivity()));
    160 
    161         // If the glue is switched, re-register the media session
    162         mMediaPlayerGlue.connectToMediaSession(mMediaSessionCompat);
    163 
    164         mMediaPlayerGlue.setMode(PlaybackControlsRow.RepeatAction.INDEX_ONE);
    165         mMediaPlayerGlue.setSubtitle("A Googler");
    166         mMediaPlayerGlue.setTitle("Swimming with the fishes");
    167         mMediaPlayerGlue.getPlayerAdapter().setDataSource(
    168                 Uri.parse("http://techslides.com/demos/sample-videos/small.mp4"));
    169         mMediaPlayerGlue.setHost(mHost);
    170         loadSeekData(mMediaPlayerGlue);
    171         playWhenReady(mMediaPlayerGlue);
    172     }
    173 }
    174