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Clarify threading requirements for the player in the doc.

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This makes the requirement that all calls are made on one thread more
explicit and also mentions this in the Getting Started guide.

Issue:#4278

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=198694579
This commit is contained in:
tonihei 2018-05-31 03:11:25 -07:00 committed by Oliver Woodman
parent 2bbfc84242
commit cd65cc85e2
1 changed files with 6 additions and 6 deletions
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12
library/core/src/main/java/com/google/android/exoplayer2/ExoPlayer.java
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@ -89,12 +89,12 @@ import com.google.android.exoplayer2.video.MediaCodecVideoRenderer;
* model"> * model">
* *
* <ul> * <ul>
* <li>It is strongly recommended that ExoPlayer instances are created and accessed from a single * <li>ExoPlayer instances must be accessed from a single application thread. This must be the
* application thread. The application's main thread is ideal. Accessing an instance from * thread the player is created on if that thread has a {@link Looper}, or the application's
* multiple threads is discouraged as it may cause synchronization problems. * main thread otherwise.
* <li>Registered listeners are called on the thread that created the ExoPlayer instance, unless * <li>Registered listeners are called on the thread the player is created on if that thread has a
* the thread that created the ExoPlayer instance does not have a {@link Looper}. In that * {@link Looper}, or the application's main thread otherwise. Note that this means registered
* case, registered listeners will be called on the application's main thread. * listeners are called on the same thread which must be used to access the player.
* <li>An internal playback thread is responsible for playback. Injected player components such as * <li>An internal playback thread is responsible for playback. Injected player components such as
* Renderers, MediaSources, TrackSelectors and LoadControls are called by the player on this * Renderers, MediaSources, TrackSelectors and LoadControls are called by the player on this
* thread. * thread.