Android ExoPlayer What Does "prepare()" Exactly Do?

Asked Mar 30 '21 at 12:45

Active Mar 30 '21 at 14:19

Viewed 2,050 times

The only difference I notice is that, if I call prepare() before play(), I will see the the process indicator and it pre-loads data in the PlayerView, besides that I can't tell the difference if I just call play() without prepare().

Also the documentation says nothing: https://exoplayer.dev/doc/reference/com/google/android/exoplayer2/SimpleExoPlayer.html

public void prepare()

Description copied from interface: Player

Prepares the player.    //<- ???

Specified by:
prepare in interface Player

asked Mar 30 '21 at 12:45

Sam Chen

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`prepare` tells the player to acquire all the resources required for playback – Usama Altaf Mar 30 '21 at 12:50
@Usama Altaf What's the advantages of calling it before `play()`? – Sam Chen Mar 30 '21 at 12:53
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It starts loading file from the source (filling the buffer). You might not notice it when playing a local file but for remote streams it will reduce initial delay. – Pawel Mar 30 '21 at 12:57
@Pawel That make sense. – Sam Chen Mar 30 '21 at 14:50

Android ExoPlayer What Does "prepare()" Exactly Do?

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