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Enable scrubbing for local files in the demo app

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Scrubbing mode doesn't really work for assets loaded over the network.

This also assumes `asset://`, `data://` and `android.resource://` URIs
are 'local' but not `content://` - because these can be loaded by any
arbitrary `ContentResolver` which may do higher latency/lower bandwidth
remote loading.

PiperOrigin-RevId: 751389438
This commit is contained in:
ibaker 2025-04-25 06:17:54 -07:00 committed by Copybara-Service
parent 49b57b8da3
commit ae7d7dc7e8
1 changed files with 22 additions and 0 deletions
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22
demos/main/src/main/java/androidx/media3/demo/main/PlayerActivity.java
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@ -15,10 +15,12 @@
*/
package androidx.media3.demo.main;
import android.content.ContentResolver;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Pair;
import android.view.KeyEvent;
import android.view.View;
@ -40,6 +42,7 @@ import androidx.media3.common.TrackSelectionParameters;
import androidx.media3.common.Tracks;
import androidx.media3.common.util.UnstableApi;
import androidx.media3.common.util.Util;
import androidx.media3.datasource.DataSchemeDataSource;
import androidx.media3.datasource.DataSource;
import androidx.media3.exoplayer.ExoPlayer;
import androidx.media3.exoplayer.RenderersFactory;
@ -502,6 +505,25 @@ public class PlayerActivity extends AppCompatActivity
}
lastSeenTracks = tracks;
}
@OptIn(markerClass = UnstableApi.class) // For PlayerView.setTimeBarScrubbingEnabled
@Override
public void onMediaItemTransition(@Nullable MediaItem mediaItem, int reason) {
if (playerView == null) {
return;
}
if (mediaItem == null) {
playerView.setTimeBarScrubbingEnabled(false);
return;
}
String uriScheme = mediaItem.localConfiguration.uri.getScheme();
playerView.setTimeBarScrubbingEnabled(
TextUtils.isEmpty(uriScheme)
|| uriScheme.equals(ContentResolver.SCHEME_FILE)
|| uriScheme.equals("asset")
|| uriScheme.equals(DataSchemeDataSource.SCHEME_DATA)
|| uriScheme.equals(ContentResolver.SCHEME_ANDROID_RESOURCE));
}
}
private class PlayerErrorMessageProvider implements ErrorMessageProvider<PlaybackException> {