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Implement Bundleable for media2 MediaItem and related classes

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PiperOrigin-RevId: 356622155
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gyumin 2021-02-10 00:42:29 +00:00 committed by Ian Baker
parent e28332ff82
commit 753bccec1f
1 changed files with 19 additions and 0 deletions
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19
library/common/src/main/java/com/google/android/exoplayer2/Bundleable.java
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@ -16,6 +16,7 @@
package com.google.android.exoplayer2;
import android.os.Bundle;
import androidx.annotation.Nullable;
/**
* Interface for classes whose instance can be stored in a {@link Bundle} by {@link #toBundle()} and
@ -36,6 +37,24 @@ public interface Bundleable {
/** Returns a {@link Bundle} representing the information stored in this object. */
Bundle toBundle();
/**
* Converts a {@link Bundleable} to a {@link Bundle}. It's a convenient wrapper of {@link
* Bundleable#toBundle} that can take nullable values.
*/
@Nullable
static Bundle toNullableBundle(@Nullable Bundleable bundleable) {
return bundleable == null ? null : bundleable.toBundle();
}
/**
* Converts a {@link Bundle} to a {@link Bundleable}. It's a convenient wrapper of {@link
* Creator#fromBundle} that can take nullable values.
*/
@Nullable
static <T extends Bundleable> T fromNullableBundle(Creator<T> creator, @Nullable Bundle bundle) {
return bundle == null ? null : creator.fromBundle(bundle);
}
/** Interface for the static {@code CREATOR} field of {@link Bundleable} classes. */
interface Creator<T extends Bundleable> {