チャプターがスキップされた VOD 再生 vod-playback-with-a-skipped-chapter

// Set up mediaObject
ADBMediaObject *mediaObject =
[ADBMediaHeartbeat createMediaObjectWithName:MEDIA_NAME
                   length:MEDIA_LENGTH
                   streamType:ADBMediaHeartbeatStreamTypeVOD];

NSMutableDictionary *mediaContextData = [[NSMutableDictionary alloc] init];
[mediaContextData setObject:CUSTOM_VAL_1 forKey:CUSTOM_KEY_1];
[mediaContextData setObject:CUSTOM_VAL_2 forKey:CUSTOM_KEY_2];

// 1. Call trackSessionStart when the user clicks Play or if autoplay is used,
//    i.e., there's an intent to start playback.
[_mediaHeartbeat trackSessionStart:mediaObject data:mediaContextData];
.......
.......

// Chapter
NSMutableDictionary *chapterContextData = [[NSMutableDictionary alloc] init];
[chapterContextData setObject:CONTEXT_DATA_VALUE forKey:CONTEXT_DATA_KEY];

id chapterInfo =
[ADBMediaHeartbeat createChapterObjectWithName:CHAPTER_NAME
                   position:CHAPTER_POSITION
                   length:CHAPTER_LENGTH
                   startTime:CHAPTER_START_TIME];

// 2. Track the ADBMediaHeartbeatEventChapterStart event when the chapter starts.
[_mediaHeartbeat trackEvent:ADBMediaHeartbeatEventChapterStart
               mediaObject:chapterInfo
               data:chapterContextData];
.......
.......

// 3. Call trackPlay when the playback actually starts, i.e., when the first
//    frame of the main content is rendered on the screen.
[_mediaHeartbeat trackPlay];
.......
.......

// 4. Track the trackEvent:ADBMediaHeartbeatEventSeekStart event when the user
//    begins to seek out of the chapter with the intent to skip it.
[_mediaHeartbeat trackEvent:ADBMediaHeartbeatEventSeekStart mediaObject:nil data:nil];
.......
.......

// 5. Track the trackEvent:ADBMediaHeartbeatEventSeekComplete event when the
//    user seeks out of the chapter with the intent to skip it.
[_mediaHeartbeat trackEvent:ADBMediaHeartbeatEventSeekComplete mediaObject:nil data:nil];
.......
.......

// 6. Track the trackEvent:ADBMediaHeartbeatEventChapterSkip event because the
//    user skipped the chapter by seeking out of it in the steps above.
[_mediaHeartbeat trackEvent:ADBMediaHeartbeatEventChapterSkip
               mediaObject:chapterInfo
               data:chapterContextData];
.......
.......

// 7. Call trackComplete when the playback reaches the end, i.e., when the media
//    completes and finishes playing.
[_mediaHeartbeat trackComplete];
.......
.......

// 8. Call trackSessionEnd when the playback session is over. This method must
//    be called even if the user does not watch the media to completion.
[_mediaHeartbeat trackSessionEnd];
.......
.......