void SetNotificationPlaybackState(Notification.Builder builder)
{
var beginningOfTime = new DateTime (1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
LogHelper.Debug (Tag, "updateNotificationPlaybackState. mPlaybackState=" + playbackState);
if (playbackState == null || !started) {
LogHelper.Debug (Tag, "updateNotificationPlaybackState. cancelling notification!");
service.StopForeground (true);
return;
}
if (playbackState.State == PlaybackStateCode.Playing
&& playbackState.Position >= 0) {
var timespan = ((long)(DateTime.UtcNow - beginningOfTime).TotalMilliseconds) - playbackState.Position;
LogHelper.Debug (Tag, "updateNotificationPlaybackState. updating playback position to ", timespan / 1000, " seconds");
builder.SetWhen (timespan).SetShowWhen (true).SetUsesChronometer (true);
} else {
LogHelper.Debug (Tag, "updateNotificationPlaybackState. hiding playback position");
builder.SetWhen (0).SetShowWhen (false).SetUsesChronometer (false);
}
// Make sure that the notification can be dismissed by the user when we are not playing:
builder.SetOngoing(playbackState.State == PlaybackStateCode.Playing);
}