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Workaround for pre-M platform bug when instantiating CaptioningManager.

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PiperOrigin-RevId: 279286802
This commit is contained in:
tonihei 2019-11-08 12:15:29 +00:00 committed by Oliver Woodman
parent a9ef9c46c8
commit 71f7ab1c57
1 changed files with 6 additions and 0 deletions
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6
library/core/src/main/java/com/google/android/exoplayer2/trackselection/TrackSelectionParameters.java
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@ -17,6 +17,7 @@ package com.google.android.exoplayer2.trackselection;
import android.annotation.TargetApi;
import android.content.Context;
import android.os.Looper;
import android.os.Parcel;
import android.os.Parcelable;
import android.text.TextUtils;
@ -171,6 +172,11 @@ public class TrackSelectionParameters implements Parcelable {
@TargetApi(19)
private void setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettingsV19(
Context context) {
if (Util.SDK_INT < 23 && Looper.myLooper() == null) {
// Android platform bug (pre-Marshmallow) that causes RuntimeExceptions when
// CaptioningService is instantiated from a non-Looper thread. See [internal: b/143779904].
return;
}
CaptioningManager captioningManager =
(CaptioningManager) context.getSystemService(Context.CAPTIONING_SERVICE);
if (captioningManager == null || !captioningManager.isEnabled()) {