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Added cancellation check for MediaBrowserFuture in demo session app

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When app is deployed with device's screen being off, MainActivity's onStart is called swiftly by its onStop. The onStop method cancels the browserFuture task which in turn "completes" the task. Upon task "completion", pushRoot() runs and then throws error as it calls get() a cancelled task.

PiperOrigin-RevId: 492416445
(cherry picked from commit 64603cba8d)
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michaelkatz 2022-12-02 10:19:40 +00:00 committed by christosts
parent 8618263b99
commit c4f1c047ca
1 changed files with 1 additions and 1 deletions
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demos/session/src/main/java/androidx/media3/demo/session/MainActivity.kt
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@ -38,7 +38,7 @@ import com.google.common.util.concurrent.ListenableFuture
class MainActivity : AppCompatActivity() {
private lateinit var browserFuture: ListenableFuture<MediaBrowser>
private val browser: MediaBrowser?
get() = if (browserFuture.isDone) browserFuture.get() else null
get() = if (browserFuture.isDone && !browserFuture.isCancelled) browserFuture.get() else null
private lateinit var mediaListAdapter: FolderMediaItemArrayAdapter
private lateinit var mediaListView: ListView