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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
This commit is contained in:
michaelkatz 2022-12-02 10:19:40 +00:00 committed by Ian Baker
parent ca4c6efdb7
commit 64603cba8d
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