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import androidx.media.utils.MediaConstants

@Nullable
override fun onGetRoot(
    @NonNull clientPackageName: String,
    clientUid: Int,
    @Nullable rootHints: Bundle
): BrowserRoot {
    val extras = Bundle()
    extras.putInt(
        MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_BROWSABLE,
        MediaConstants.DESCRIPTION_EXTRAS_VALUE_CONTENT_STYLE_GRID_ITEM)
    extras.putInt(
        MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_PLAYABLE,
        MediaConstants.DESCRIPTION_EXTRAS_VALUE_CONTENT_STYLE_LIST_ITEM)
    return BrowserRoot(ROOT_ID, extras)
}

import androidx.media.utils.MediaConstants;

@Nullable
@Override
public BrowserRoot onGetRoot(
    @NonNull String clientPackageName,
    int clientUid,
    @Nullable Bundle rootHints) {
    Bundle extras = new Bundle();
    extras.putInt(
        MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_BROWSABLE,
        MediaConstants.DESCRIPTION_EXTRAS_VALUE_CONTENT_STYLE_GRID_ITEM);
    extras.putInt(
        MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_PLAYABLE,
        MediaConstants.DESCRIPTION_EXTRAS_VALUE_CONTENT_STYLE_LIST_ITEM);
    return new BrowserRoot(ROOT_ID, extras);
}

import androidx.media.utils.MediaConstants

private fun createBrowsableMediaItem(
    mediaId: String,
    folderName: String,
    iconUri: Uri
): MediaBrowser.MediaItem {
    val mediaDescriptionBuilder = MediaDescription.Builder()
    mediaDescriptionBuilder.setMediaId(mediaId)
    mediaDescriptionBuilder.setTitle(folderName)
    mediaDescriptionBuilder.setIconUri(iconUri)
    val extras = Bundle()
    extras.putInt(
        MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_SINGLE_ITEM,
        MediaConstants.DESCRIPTION_EXTRAS_VALUE_CONTENT_STYLE_CATEGORY_LIST_ITEM)
    extras.putInt(
        MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_BROWSABLE,
        MediaConstants.DESCRIPTION_EXTRAS_VALUE_CONTENT_STYLE_LIST_ITEM)
    extras.putInt(
        MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_PLAYABLE,
        MediaConstants.DESCRIPTION_EXTRAS_VALUE_CONTENT_STYLE_GRID_ITEM)
    mediaDescriptionBuilder.setExtras(extras)
    return MediaBrowser.MediaItem(
        mediaDescriptionBuilder.build(), MediaBrowser.MediaItem.FLAG_BROWSABLE)
}

import androidx.media.utils.MediaConstants;

private MediaBrowser.MediaItem createBrowsableMediaItem(
    String mediaId,
    String folderName,
    Uri iconUri) {
    MediaDescription.Builder mediaDescriptionBuilder = new MediaDescription.Builder();
    mediaDescriptionBuilder.setMediaId(mediaId);
    mediaDescriptionBuilder.setTitle(folderName);
    mediaDescriptionBuilder.setIconUri(iconUri);
    Bundle extras = new Bundle();
    extras.putInt(
        MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_SINGLE_ITEM,
        MediaConstants.DESCRIPTION_EXTRAS_VALUE_CONTENT_STYLE_CATEGORY_LIST_ITEM);
    extras.putInt(
        MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_BROWSABLE,
        MediaConstants.DESCRIPTION_EXTRAS_VALUE_CONTENT_STYLE_LIST_ITEM);
    extras.putInt(
        MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_PLAYABLE,
        MediaConstants.DESCRIPTION_EXTRAS_VALUE_CONTENT_STYLE_GRID_ITEM);
    mediaDescriptionBuilder.setExtras(extras);
    return new MediaBrowser.MediaItem(
        mediaDescriptionBuilder.build(), MediaBrowser.MediaItem.FLAG_BROWSABLE);
}

import androidx.media.utils.MediaConstants

private fun createMediaItem(
    mediaId: String,
    folderName: String,
    iconUri: Uri
): MediaBrowser.MediaItem {
    val mediaDescriptionBuilder = MediaDescription.Builder()
    mediaDescriptionBuilder.setMediaId(mediaId)
    mediaDescriptionBuilder.setTitle(folderName)
    mediaDescriptionBuilder.setIconUri(iconUri)
    val extras = Bundle()
    extras.putString(
        MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_GROUP_TITLE,
        "Songs")
    mediaDescriptionBuilder.setExtras(extras)
    return MediaBrowser.MediaItem(
        mediaDescriptionBuilder.build(), /* playable or browsable flag*/)
}

import androidx.media.utils.MediaConstants;

private MediaBrowser.MediaItem createMediaItem(String mediaId, String folderName, Uri iconUri) {
   MediaDescription.Builder mediaDescriptionBuilder = new MediaDescription.Builder();
   mediaDescriptionBuilder.setMediaId(mediaId);
   mediaDescriptionBuilder.setTitle(folderName);
   mediaDescriptionBuilder.setIconUri(iconUri);
   Bundle extras = new Bundle();
   extras.putString(
       MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_GROUP_TITLE,
       "Songs");
   mediaDescriptionBuilder.setExtras(extras);
   return new MediaBrowser.MediaItem(
       mediaDescriptionBuilder.build(), /* playable or browsable flag*/);
}

import androidx.media.utils.MediaConstants

val extras = Bundle()
extras.putLong(
    MediaConstants.METADATA_KEY_IS_EXPLICIT,
    MediaConstants.METADATA_VALUE_ATTRIBUTE_PRESENT)
extras.putInt(
    MediaConstants.DESCRIPTION_EXTRAS_KEY_COMPLETION_STATUS,
    MediaConstants.DESCRIPTION_EXTRAS_VALUE_COMPLETION_STATUS_PARTIALLY_PLAYED)
extras.putDouble(
    MediaConstants.DESCRIPTION_EXTRAS_KEY_COMPLETION_PERCENTAGE, 0.7)
val description =
    MediaDescriptionCompat.Builder()
        .setMediaId(/*...*/)
        .setTitle(resources.getString(/*...*/))
        .setExtras(extras)
        .build()
return MediaBrowserCompat.MediaItem(description, /* flags */)

import androidx.media.utils.MediaConstants;

Bundle extras = new Bundle();
extras.putLong(
    MediaConstants.METADATA_KEY_IS_EXPLICIT,
    MediaConstants.METADATA_VALUE_ATTRIBUTE_PRESENT);
extras.putInt(
    MediaConstants.DESCRIPTION_EXTRAS_KEY_COMPLETION_STATUS,
    MediaConstants.DESCRIPTION_EXTRAS_VALUE_COMPLETION_STATUS_PARTIALLY_PLAYED);
extras.putDouble(
    MediaConstants.DESCRIPTION_EXTRAS_KEY_COMPLETION_PERCENTAGE, 0.7);
MediaDescriptionCompat description =
    new MediaDescriptionCompat.Builder()
        .setMediaId(/*...*/)
        .setTitle(resources.getString(/*...*/))
        .setExtras(extras)
        .build();
return new MediaBrowserCompat.MediaItem(description, /* flags */);

import androidx.media.utils.MediaConstants

mediaSession.setMetadata(
    MediaMetadataCompat.Builder()
        .putString(
            MediaMetadataCompat.METADATA_KEY_DISPLAY_TITLE, "Song Name")
        .putString(
            MediaMetadataCompat.METADATA_KEY_DISPLAY_SUBTITLE, "Artist name")
        .putString(
            MediaMetadataCompat.METADATA_KEY_ALBUM_ART_URI,
            albumArtUri.toString())
        .putLong(
            MediaConstants.METADATA_KEY_IS_EXPLICIT,
            MediaConstants.METADATA_VALUE_ATTRIBUTE_PRESENT)
        .putLong(
            MediaDescriptionCompat.EXTRA_DOWNLOAD_STATUS,
            MediaDescriptionCompat.STATUS_DOWNLOADED)
        .build())

import androidx.media.utils.MediaConstants;

mediaSession.setMetadata(
    new MediaMetadataCompat.Builder()
        .putString(
            MediaMetadataCompat.METADATA_KEY_DISPLAY_TITLE, "Song Name")
        .putString(
            MediaMetadataCompat.METADATA_KEY_DISPLAY_SUBTITLE, "Artist name")
        .putString(
            MediaMetadataCompat.METADATA_KEY_ALBUM_ART_URI,
            albumArtUri.toString())
        .putLong(
            MediaConstants.METADATA_KEY_IS_EXPLICIT,
            MediaConstants.METADATA_VALUE_ATTRIBUTE_PRESENT)
        .putLong(
            MediaDescriptionCompat.EXTRA_DOWNLOAD_STATUS,
            MediaDescriptionCompat.STATUS_DOWNLOADED)
        .build());

import androidx.media.utils.MediaConstants

// When the MediaItem is constructed to show in the browse view.
// Suppose the item was 25% complete when the user launched the browse view.
val mediaItemExtras = Bundle()
mediaItemExtras.putDouble(
    MediaConstants.DESCRIPTION_EXTRAS_KEY_COMPLETION_PERCENTAGE, 0.25)
val description =
    MediaDescriptionCompat.Builder()
        .setMediaId("my-media-id")
        .setExtras(mediaItemExtras)
        // ...and any other setters.
        .build()
return MediaBrowserCompat.MediaItem(description, /* flags */)

// Elsewhere, when the user has selected MediaItem for playback.
mediaSession.setMetadata(
    MediaMetadataCompat.Builder()
        .putString(MediaMetadata.METADATA_KEY_MEDIA_ID, "my-media-id")
        // ...and any other setters.
        .build())

val playbackStateExtras = Bundle()
playbackStateExtras.putString(
    MediaConstants.PLAYBACK_STATE_EXTRAS_KEY_MEDIA_ID, "my-media-id")
mediaSession.setPlaybackState(
    PlaybackStateCompat.Builder()
        .setExtras(playbackStateExtras)
        // ...and any other setters.
        .build())

import androidx.media.utils.MediaConstants;

// When the MediaItem is constructed to show in the browse view.
// Suppose the item was 25% complete when the user launched the browse view.
Bundle mediaItemExtras = new Bundle();
mediaItemExtras.putDouble(
    MediaConstants.DESCRIPTION_EXTRAS_KEY_COMPLETION_PERCENTAGE, 0.25);
MediaDescriptionCompat description =
    new MediaDescriptionCompat.Builder()
        .setMediaId("my-media-id")
        .setExtras(mediaItemExtras)
        // ...and any other setters.
        .build();
return new MediaBrowserCompat.MediaItem(description, /* flags */);

// Elsewhere, when the user has selected MediaItem for playback.
mediaSession.setMetadata(
    new MediaMetadataCompat.Builder()
        .putString(MediaMetadata.METADATA_KEY_MEDIA_ID, "my-media-id")
        // ...and any other setters.
        .build());

Bundle playbackStateExtras = new Bundle();
playbackStateExtras.putString(
    MediaConstants.PLAYBACK_STATE_EXTRAS_KEY_MEDIA_ID, "my-media-id");
mediaSession.setPlaybackState(
    new PlaybackStateCompat.Builder()
        .setExtras(playbackStateExtras)
        // ...and any other setters.
        .build());