| /* |
| * Copyright 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.media; |
| |
| import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP; |
| |
| import android.graphics.Bitmap; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.util.Log; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.RestrictTo; |
| import androidx.annotation.StringDef; |
| import androidx.collection.ArrayMap; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.Set; |
| |
| /** |
| * Contains metadata about an item, such as the title, artist, etc. |
| */ |
| // New version of MediaMetadata with following changes |
| // - Don't implement Parcelable for updatable support. |
| // - Also support MediaDescription features. MediaDescription is deprecated instead because |
| // it was insufficient for controller to display media contents. |
| public final class MediaMetadata2 { |
| private static final String TAG = "MediaMetadata2"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the title of the media. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_TITLE = "android.media.metadata.TITLE"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the artist of the media. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_ARTIST = "android.media.metadata.ARTIST"; |
| |
| /** |
| * The metadata key for a {@link Long} typed value to retrieve the information about the |
| * duration of the media in ms. A negative duration indicates that the duration is unknown |
| * (or infinite). |
| * |
| * @see Builder#putLong(String, long) |
| * @see #getLong(String) |
| */ |
| public static final String METADATA_KEY_DURATION = "android.media.metadata.DURATION"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the album title for the media. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_ALBUM = "android.media.metadata.ALBUM"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the author of the media. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_AUTHOR = "android.media.metadata.AUTHOR"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the writer of the media. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_WRITER = "android.media.metadata.WRITER"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the composer of the media. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_COMPOSER = "android.media.metadata.COMPOSER"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the compilation status of the media. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_COMPILATION = "android.media.metadata.COMPILATION"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the date the media was created or published. |
| * The format is unspecified but RFC 3339 is recommended. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_DATE = "android.media.metadata.DATE"; |
| |
| /** |
| * The metadata key for a {@link Long} typed value to retrieve the information about the year |
| * the media was created or published. |
| * |
| * @see Builder#putLong(String, long) |
| * @see #getLong(String) |
| */ |
| public static final String METADATA_KEY_YEAR = "android.media.metadata.YEAR"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the genre of the media. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_GENRE = "android.media.metadata.GENRE"; |
| |
| /** |
| * The metadata key for a {@link Long} typed value to retrieve the information about the |
| * track number for the media. |
| * |
| * @see Builder#putLong(String, long) |
| * @see #getLong(String) |
| */ |
| public static final String METADATA_KEY_TRACK_NUMBER = "android.media.metadata.TRACK_NUMBER"; |
| |
| /** |
| * The metadata key for a {@link Long} typed value to retrieve the information about the |
| * number of tracks in the media's original source. |
| * |
| * @see Builder#putLong(String, long) |
| * @see #getLong(String) |
| */ |
| public static final String METADATA_KEY_NUM_TRACKS = "android.media.metadata.NUM_TRACKS"; |
| |
| /** |
| * The metadata key for a {@link Long} typed value to retrieve the information about the |
| * disc number for the media's original source. |
| * |
| * @see Builder#putLong(String, long) |
| * @see #getLong(String) |
| */ |
| public static final String METADATA_KEY_DISC_NUMBER = "android.media.metadata.DISC_NUMBER"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the artist for the album of the media's original source. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_ALBUM_ARTIST = "android.media.metadata.ALBUM_ARTIST"; |
| |
| /** |
| * The metadata key for a {@link Bitmap} typed value to retrieve the information about the |
| * artwork for the media. |
| * The artwork should be relatively small and may be scaled down if it is too large. |
| * For higher resolution artwork, {@link #METADATA_KEY_ART_URI} should be used instead. |
| * |
| * @see Builder#putBitmap(String, Bitmap) |
| * @see #getBitmap(String) |
| */ |
| public static final String METADATA_KEY_ART = "android.media.metadata.ART"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about Uri of the artwork for the media. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_ART_URI = "android.media.metadata.ART_URI"; |
| |
| /** |
| * The metadata key for a {@link Bitmap} typed value to retrieve the information about the |
| * artwork for the album of the media's original source. |
| * The artwork should be relatively small and may be scaled down if it is too large. |
| * For higher resolution artwork, {@link #METADATA_KEY_ALBUM_ART_URI} should be used instead. |
| * |
| * @see Builder#putBitmap(String, Bitmap) |
| * @see #getBitmap(String) |
| */ |
| public static final String METADATA_KEY_ALBUM_ART = "android.media.metadata.ALBUM_ART"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the Uri of the artwork for the album of the media's original source. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_ALBUM_ART_URI = "android.media.metadata.ALBUM_ART_URI"; |
| |
| /** |
| * The metadata key for a {@link Rating2} typed value to retrieve the information about the |
| * user's rating for the media. |
| * |
| * @see Builder#putRating(String, Rating2) |
| * @see #getRating(String) |
| */ |
| public static final String METADATA_KEY_USER_RATING = "android.media.metadata.USER_RATING"; |
| |
| /** |
| * The metadata key for a {@link Rating2} typed value to retrieve the information about the |
| * overall rating for the media. |
| * |
| * @see Builder#putRating(String, Rating2) |
| * @see #getRating(String) |
| */ |
| public static final String METADATA_KEY_RATING = "android.media.metadata.RATING"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the title that is suitable for display to the user. |
| * It will generally be the same as {@link #METADATA_KEY_TITLE} but may differ for some formats. |
| * When displaying media described by this metadata, this should be preferred if present. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_DISPLAY_TITLE = "android.media.metadata.DISPLAY_TITLE"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the subtitle that is suitable for display to the user. |
| * When displaying a second line for media described by this metadata, this should be preferred |
| * to other fields if present. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_DISPLAY_SUBTITLE = |
| "android.media.metadata.DISPLAY_SUBTITLE"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the description that is suitable for display to the user. |
| * When displaying more information for media described by this metadata, |
| * this should be preferred to other fields if present. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_DISPLAY_DESCRIPTION = |
| "android.media.metadata.DISPLAY_DESCRIPTION"; |
| |
| /** |
| * The metadata key for a {@link Bitmap} typed value to retrieve the information about the icon |
| * or thumbnail that is suitable for display to the user. |
| * When displaying an icon for media described by this metadata, this should be preferred to |
| * other fields if present. |
| * <p> |
| * The icon should be relatively small and may be scaled down if it is too large. |
| * For higher resolution artwork, {@link #METADATA_KEY_DISPLAY_ICON_URI} should be used instead. |
| * |
| * @see Builder#putBitmap(String, Bitmap) |
| * @see #getBitmap(String) |
| */ |
| public static final String METADATA_KEY_DISPLAY_ICON = "android.media.metadata.DISPLAY_ICON"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the Uri of icon or thumbnail that is suitable for display to the user. |
| * When displaying more information for media described by this metadata, the |
| * display description should be preferred to other fields when present. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_DISPLAY_ICON_URI = |
| "android.media.metadata.DISPLAY_ICON_URI"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the media ID of the content. This value is specific to the |
| * service providing the content. If used, this should be a persistent |
| * unique key for the underlying content. It may be used with |
| * {@link MediaController2#playFromMediaId(String, Bundle)} |
| * to initiate playback. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_MEDIA_ID = "android.media.metadata.MEDIA_ID"; |
| |
| /** |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the Uri of the content. This value is specific to the service providing the |
| * content. It may be used with {@link MediaController2#playFromUri(Uri, Bundle)} |
| * to initiate playback. |
| * |
| * @see Builder#putText(String, CharSequence) |
| * @see Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| public static final String METADATA_KEY_MEDIA_URI = "android.media.metadata.MEDIA_URI"; |
| |
| /** |
| * @hide |
| * The metadata key for a {@link Float} typed value to retrieve the information about the |
| * radio frequency if this metadata represents radio content. |
| * |
| * @see Builder#putFloat(String, float) |
| * @see #getFloat(String) |
| */ |
| @RestrictTo(LIBRARY_GROUP) |
| public static final String METADATA_KEY_RADIO_FREQUENCY = |
| "android.media.metadata.RADIO_FREQUENCY"; |
| |
| /** |
| * @hide |
| * The metadata key for a {@link CharSequence} or {@link String} typed value to retrieve the |
| * information about the radio program name if this metadata represents radio content. |
| * |
| * @see MediaMetadata2.Builder#putText(String, CharSequence) |
| * @see MediaMetadata2.Builder#putString(String, String) |
| * @see #getText(String) |
| * @see #getString(String) |
| */ |
| @RestrictTo(LIBRARY_GROUP) |
| public static final String METADATA_KEY_RADIO_PROGRAM_NAME = |
| "android.media.metadata.RADIO_PROGRAM_NAME"; |
| |
| /** |
| * The metadata key for a {@link Long} typed value to retrieve the information about the |
| * bluetooth folder type of the media specified in the section 6.10.2.2 of the Bluetooth |
| * AVRCP 1.5. It should be one of the following: |
| * <ul> |
| * <li>{@link #BT_FOLDER_TYPE_MIXED}</li> |
| * <li>{@link #BT_FOLDER_TYPE_TITLES}</li> |
| * <li>{@link #BT_FOLDER_TYPE_ALBUMS}</li> |
| * <li>{@link #BT_FOLDER_TYPE_ARTISTS}</li> |
| * <li>{@link #BT_FOLDER_TYPE_GENRES}</li> |
| * <li>{@link #BT_FOLDER_TYPE_PLAYLISTS}</li> |
| * <li>{@link #BT_FOLDER_TYPE_YEARS}</li> |
| * </ul> |
| * |
| * @see Builder#putLong(String, long) |
| * @see #getLong(String) |
| */ |
| public static final String METADATA_KEY_BT_FOLDER_TYPE = |
| "android.media.metadata.BT_FOLDER_TYPE"; |
| |
| /** |
| * The type of folder that is unknown or contains media elements of mixed types as specified in |
| * the section 6.10.2.2 of the Bluetooth AVRCP 1.5. |
| */ |
| public static final long BT_FOLDER_TYPE_MIXED = 0; |
| |
| /** |
| * The type of folder that contains media elements only as specified in the section 6.10.2.2 of |
| * the Bluetooth AVRCP 1.5. |
| */ |
| public static final long BT_FOLDER_TYPE_TITLES = 1; |
| |
| /** |
| * The type of folder that contains folders categorized by album as specified in the section |
| * 6.10.2.2 of the Bluetooth AVRCP 1.5. |
| */ |
| public static final long BT_FOLDER_TYPE_ALBUMS = 2; |
| |
| /** |
| * The type of folder that contains folders categorized by artist as specified in the section |
| * 6.10.2.2 of the Bluetooth AVRCP 1.5. |
| */ |
| public static final long BT_FOLDER_TYPE_ARTISTS = 3; |
| |
| /** |
| * The type of folder that contains folders categorized by genre as specified in the section |
| * 6.10.2.2 of the Bluetooth AVRCP 1.5. |
| */ |
| public static final long BT_FOLDER_TYPE_GENRES = 4; |
| |
| /** |
| * The type of folder that contains folders categorized by playlist as specified in the section |
| * 6.10.2.2 of the Bluetooth AVRCP 1.5. |
| */ |
| public static final long BT_FOLDER_TYPE_PLAYLISTS = 5; |
| |
| /** |
| * The type of folder that contains folders categorized by year as specified in the section |
| * 6.10.2.2 of the Bluetooth AVRCP 1.5. |
| */ |
| public static final long BT_FOLDER_TYPE_YEARS = 6; |
| |
| /** |
| * The metadata key for a {@link Long} typed value to retrieve the information about whether |
| * the media is an advertisement. A value of 0 indicates it is not an advertisement. |
| * A value of 1 or non-zero indicates it is an advertisement. |
| * If not specified, this value is set to 0 by default. |
| * |
| * @see Builder#putLong(String, long) |
| * @see #getLong(String) |
| */ |
| public static final String METADATA_KEY_ADVERTISEMENT = "android.media.metadata.ADVERTISEMENT"; |
| |
| /** |
| * The metadata key for a {@link Long} typed value to retrieve the information about the |
| * download status of the media which will be used for later offline playback. It should be |
| * one of the following: |
| * |
| * <ul> |
| * <li>{@link #STATUS_NOT_DOWNLOADED}</li> |
| * <li>{@link #STATUS_DOWNLOADING}</li> |
| * <li>{@link #STATUS_DOWNLOADED}</li> |
| * </ul> |
| * |
| * @see Builder#putLong(String, long) |
| * @see #getLong(String) |
| */ |
| public static final String METADATA_KEY_DOWNLOAD_STATUS = |
| "android.media.metadata.DOWNLOAD_STATUS"; |
| |
| /** |
| * The status value to indicate the media item is not downloaded. |
| * |
| * @see #METADATA_KEY_DOWNLOAD_STATUS |
| */ |
| public static final long STATUS_NOT_DOWNLOADED = 0; |
| |
| /** |
| * The status value to indicate the media item is being downloaded. |
| * |
| * @see #METADATA_KEY_DOWNLOAD_STATUS |
| */ |
| public static final long STATUS_DOWNLOADING = 1; |
| |
| /** |
| * The status value to indicate the media item is downloaded for later offline playback. |
| * |
| * @see #METADATA_KEY_DOWNLOAD_STATUS |
| */ |
| public static final long STATUS_DOWNLOADED = 2; |
| |
| /** |
| * A {@link Bundle} extra. |
| */ |
| public static final String METADATA_KEY_EXTRAS = "android.media.metadata.EXTRAS"; |
| |
| /** |
| * @hide |
| */ |
| @RestrictTo(LIBRARY_GROUP) |
| @StringDef({METADATA_KEY_TITLE, METADATA_KEY_ARTIST, METADATA_KEY_ALBUM, METADATA_KEY_AUTHOR, |
| METADATA_KEY_WRITER, METADATA_KEY_COMPOSER, METADATA_KEY_COMPILATION, |
| METADATA_KEY_DATE, METADATA_KEY_GENRE, METADATA_KEY_ALBUM_ARTIST, METADATA_KEY_ART_URI, |
| METADATA_KEY_ALBUM_ART_URI, METADATA_KEY_DISPLAY_TITLE, METADATA_KEY_DISPLAY_SUBTITLE, |
| METADATA_KEY_DISPLAY_DESCRIPTION, METADATA_KEY_DISPLAY_ICON_URI, |
| METADATA_KEY_MEDIA_ID, METADATA_KEY_MEDIA_URI, METADATA_KEY_RADIO_PROGRAM_NAME}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface TextKey {} |
| |
| /** |
| * @hide |
| */ |
| @RestrictTo(LIBRARY_GROUP) |
| @StringDef({METADATA_KEY_DURATION, METADATA_KEY_YEAR, METADATA_KEY_TRACK_NUMBER, |
| METADATA_KEY_NUM_TRACKS, METADATA_KEY_DISC_NUMBER, METADATA_KEY_BT_FOLDER_TYPE, |
| METADATA_KEY_ADVERTISEMENT, METADATA_KEY_DOWNLOAD_STATUS}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface LongKey {} |
| |
| /** |
| * @hide |
| */ |
| @RestrictTo(LIBRARY_GROUP) |
| @StringDef({METADATA_KEY_ART, METADATA_KEY_ALBUM_ART, METADATA_KEY_DISPLAY_ICON}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface BitmapKey {} |
| |
| /** |
| * @hide |
| */ |
| @RestrictTo(LIBRARY_GROUP) |
| @StringDef({METADATA_KEY_USER_RATING, METADATA_KEY_RATING}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface RatingKey {} |
| |
| /** |
| * @hide |
| */ |
| @RestrictTo(LIBRARY_GROUP) |
| @StringDef({METADATA_KEY_RADIO_FREQUENCY}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface FloatKey {} |
| |
| static final int METADATA_TYPE_LONG = 0; |
| static final int METADATA_TYPE_TEXT = 1; |
| static final int METADATA_TYPE_BITMAP = 2; |
| static final int METADATA_TYPE_RATING = 3; |
| static final int METADATA_TYPE_FLOAT = 4; |
| static final ArrayMap<String, Integer> METADATA_KEYS_TYPE; |
| |
| static { |
| METADATA_KEYS_TYPE = new ArrayMap<>(); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_TITLE, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_ARTIST, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_DURATION, METADATA_TYPE_LONG); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_ALBUM, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_AUTHOR, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_WRITER, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_COMPOSER, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_COMPILATION, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_DATE, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_YEAR, METADATA_TYPE_LONG); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_GENRE, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_TRACK_NUMBER, METADATA_TYPE_LONG); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_NUM_TRACKS, METADATA_TYPE_LONG); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_DISC_NUMBER, METADATA_TYPE_LONG); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_ALBUM_ARTIST, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_ART, METADATA_TYPE_BITMAP); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_ART_URI, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_ALBUM_ART, METADATA_TYPE_BITMAP); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_ALBUM_ART_URI, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_USER_RATING, METADATA_TYPE_RATING); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_RATING, METADATA_TYPE_RATING); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_DISPLAY_TITLE, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_DISPLAY_SUBTITLE, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_DISPLAY_DESCRIPTION, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_DISPLAY_ICON, METADATA_TYPE_BITMAP); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_DISPLAY_ICON_URI, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_MEDIA_ID, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_MEDIA_URI, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_RADIO_FREQUENCY, METADATA_TYPE_FLOAT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_RADIO_PROGRAM_NAME, METADATA_TYPE_TEXT); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_BT_FOLDER_TYPE, METADATA_TYPE_LONG); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_ADVERTISEMENT, METADATA_TYPE_LONG); |
| METADATA_KEYS_TYPE.put(METADATA_KEY_DOWNLOAD_STATUS, METADATA_TYPE_LONG); |
| } |
| |
| private static final @MediaMetadata2.TextKey |
| String[] PREFERRED_DESCRIPTION_ORDER = { |
| METADATA_KEY_TITLE, |
| METADATA_KEY_ARTIST, |
| METADATA_KEY_ALBUM, |
| METADATA_KEY_ALBUM_ARTIST, |
| METADATA_KEY_WRITER, |
| METADATA_KEY_AUTHOR, |
| METADATA_KEY_COMPOSER |
| }; |
| |
| private static final @MediaMetadata2.BitmapKey |
| String[] PREFERRED_BITMAP_ORDER = { |
| METADATA_KEY_DISPLAY_ICON, |
| METADATA_KEY_ART, |
| METADATA_KEY_ALBUM_ART |
| }; |
| |
| private static final @MediaMetadata2.TextKey |
| String[] PREFERRED_URI_ORDER = { |
| METADATA_KEY_DISPLAY_ICON_URI, |
| METADATA_KEY_ART_URI, |
| METADATA_KEY_ALBUM_ART_URI |
| }; |
| |
| final Bundle mBundle; |
| |
| MediaMetadata2(Bundle bundle) { |
| mBundle = new Bundle(bundle); |
| mBundle.setClassLoader(MediaMetadata2.class.getClassLoader()); |
| } |
| |
| /** |
| * Returns true if the given key is contained in the metadata |
| * |
| * @param key a String key |
| * @return true if the key exists in this metadata, false otherwise |
| */ |
| public boolean containsKey(@NonNull String key) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| return mBundle.containsKey(key); |
| } |
| |
| /** |
| * Returns the value associated with the given key, or null if no mapping of |
| * the desired type exists for the given key or a null value is explicitly |
| * associated with the key. |
| * |
| * @param key The key the value is stored under |
| * @return a CharSequence value, or null |
| */ |
| public @Nullable CharSequence getText(@NonNull @TextKey String key) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| return mBundle.getCharSequence(key); |
| } |
| |
| /** |
| * Returns the media id, or {@code null} if the id doesn't exist. |
| *<p> |
| * This is equivalent to the {@link #getString(String)} with the {@link #METADATA_KEY_MEDIA_ID}. |
| * |
| * @return media id. Can be {@code null} |
| * @see #METADATA_KEY_MEDIA_ID |
| */ |
| public @Nullable String getMediaId() { |
| return getString(METADATA_KEY_MEDIA_ID); |
| } |
| |
| /** |
| * Returns the value associated with the given key, or null if no mapping of |
| * the desired type exists for the given key or a null value is explicitly |
| * associated with the key. |
| * |
| * @param key The key the value is stored under |
| * @return a String value, or null |
| */ |
| public @Nullable String getString(@NonNull @TextKey String key) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| CharSequence text = mBundle.getCharSequence(key); |
| if (text != null) { |
| return text.toString(); |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the value associated with the given key, or 0L if no long exists |
| * for the given key. |
| * |
| * @param key The key the value is stored under |
| * @return a long value |
| */ |
| public long getLong(@NonNull @LongKey String key) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| return mBundle.getLong(key, 0); |
| } |
| |
| /** |
| * Return a {@link Rating2} for the given key or null if no rating exists for |
| * the given key. |
| * <p> |
| * For the {@link #METADATA_KEY_USER_RATING}, A {@code null} return value means that user rating |
| * cannot be set by {@link MediaController2}. |
| * |
| * @param key The key the value is stored under |
| * @return A {@link Rating2} or {@code null} |
| */ |
| public @Nullable Rating2 getRating(@NonNull @RatingKey String key) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| Rating2 rating = null; |
| try { |
| rating = Rating2.fromBundle(mBundle.getBundle(key)); |
| } catch (Exception e) { |
| // ignore, value was not a rating |
| Log.w(TAG, "Failed to retrieve a key as Rating.", e); |
| } |
| return rating; |
| } |
| |
| /** |
| * Return the value associated with the given key, or 0.0f if no long exists |
| * for the given key. |
| * |
| * @param key The key the value is stored under |
| * @return a float value |
| */ |
| public float getFloat(@NonNull @FloatKey String key) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| return mBundle.getFloat(key); |
| } |
| |
| /** |
| * Return a {@link Bitmap} for the given key or null if no bitmap exists for |
| * the given key. |
| * |
| * @param key The key the value is stored under |
| * @return A {@link Bitmap} or null |
| */ |
| public @Nullable Bitmap getBitmap(@NonNull @BitmapKey String key) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| Bitmap bmp = null; |
| try { |
| bmp = mBundle.getParcelable(key); |
| } catch (Exception e) { |
| // ignore, value was not a bitmap |
| Log.w(TAG, "Failed to retrieve a key as Bitmap.", e); |
| } |
| return bmp; |
| } |
| |
| /** |
| * Get the extra {@link Bundle} from the metadata object. |
| * |
| * @return A {@link Bundle} or {@code null} |
| */ |
| public @Nullable Bundle getExtras() { |
| try { |
| return mBundle.getBundle(METADATA_KEY_EXTRAS); |
| } catch (Exception e) { |
| // ignore, value was not an bundle |
| Log.w(TAG, "Failed to retrieve an extra"); |
| } |
| return null; |
| } |
| |
| /** |
| * Get the number of fields in this metadata. |
| * |
| * @return The number of fields in the metadata. |
| */ |
| public int size() { |
| return mBundle.size(); |
| } |
| |
| /** |
| * Returns a Set containing the Strings used as keys in this metadata. |
| * |
| * @return a Set of String keys |
| */ |
| public @NonNull Set<String> keySet() { |
| return mBundle.keySet(); |
| } |
| |
| /** |
| * Gets the bundle backing the metadata object. This is available to support |
| * backwards compatibility. Apps should not modify the bundle directly. |
| * |
| * @return The Bundle backing this metadata. |
| */ |
| public @NonNull Bundle toBundle() { |
| return mBundle; |
| } |
| |
| /** |
| * Creates the {@link MediaMetadata2} from the bundle that previously returned by |
| * {@link #toBundle()}. |
| * |
| * @param bundle bundle for the metadata |
| * @return a new MediaMetadata2x |
| */ |
| public static @NonNull MediaMetadata2 fromBundle(@Nullable Bundle bundle) { |
| return (bundle == null) ? null : new MediaMetadata2(bundle); |
| } |
| |
| /** |
| * Use to build MediaMetadata2x objects. The system defined metadata keys must |
| * use the appropriate data type. |
| */ |
| public static final class Builder { |
| final Bundle mBundle; |
| |
| /** |
| * Create an empty Builder. Any field that should be included in the |
| * {@link MediaMetadata2} must be added. |
| */ |
| public Builder() { |
| mBundle = new Bundle(); |
| } |
| |
| /** |
| * Create a Builder using a {@link MediaMetadata2} instance to set the |
| * initial values. All fields in the source metadata will be included in |
| * the new metadata. Fields can be overwritten by adding the same key. |
| * |
| * @param source |
| */ |
| public Builder(@NonNull MediaMetadata2 source) { |
| mBundle = new Bundle(source.toBundle()); |
| } |
| |
| /** |
| * Create a Builder using a {@link MediaMetadata2} instance to set |
| * initial values, but replace bitmaps with a scaled down copy if they |
| * are larger than maxBitmapSize. |
| * |
| * @param source The original metadata to copy. |
| * @param maxBitmapSize The maximum height/width for bitmaps contained |
| * in the metadata. |
| * @hide |
| */ |
| @RestrictTo(LIBRARY_GROUP) |
| public Builder(MediaMetadata2 source, int maxBitmapSize) { |
| this(source); |
| for (String key : mBundle.keySet()) { |
| Object value = mBundle.get(key); |
| if (value instanceof Bitmap) { |
| Bitmap bmp = (Bitmap) value; |
| if (bmp.getHeight() > maxBitmapSize || bmp.getWidth() > maxBitmapSize) { |
| putBitmap(key, scaleBitmap(bmp, maxBitmapSize)); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Put a CharSequence value into the metadata. Custom keys may be used, |
| * but if the METADATA_KEYs defined in this class are used they may only |
| * be one of the following: |
| * <ul> |
| * <li>{@link #METADATA_KEY_TITLE}</li> |
| * <li>{@link #METADATA_KEY_ARTIST}</li> |
| * <li>{@link #METADATA_KEY_ALBUM}</li> |
| * <li>{@link #METADATA_KEY_AUTHOR}</li> |
| * <li>{@link #METADATA_KEY_WRITER}</li> |
| * <li>{@link #METADATA_KEY_COMPOSER}</li> |
| * <li>{@link #METADATA_KEY_COMPILATION}</li> |
| * <li>{@link #METADATA_KEY_DATE}</li> |
| * <li>{@link #METADATA_KEY_GENRE}</li> |
| * <li>{@link #METADATA_KEY_ALBUM_ARTIST}</li> |
| * <li>{@link #METADATA_KEY_ART_URI}</li> |
| * <li>{@link #METADATA_KEY_ALBUM_ART_URI}</li> |
| * <li>{@link #METADATA_KEY_DISPLAY_TITLE}</li> |
| * <li>{@link #METADATA_KEY_DISPLAY_SUBTITLE}</li> |
| * <li>{@link #METADATA_KEY_DISPLAY_DESCRIPTION}</li> |
| * <li>{@link #METADATA_KEY_DISPLAY_ICON_URI}</li> |
| * <li>{@link #METADATA_KEY_MEDIA_ID}</li> |
| * <li>{@link #METADATA_KEY_MEDIA_URI}</li> |
| * </ul> |
| * |
| * @param key The key for referencing this value |
| * @param value The CharSequence value to store |
| * @return The Builder to allow chaining |
| */ |
| public @NonNull Builder putText(@NonNull @TextKey String key, |
| @Nullable CharSequence value) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| if (METADATA_KEYS_TYPE.containsKey(key)) { |
| if (METADATA_KEYS_TYPE.get(key) != METADATA_TYPE_TEXT) { |
| throw new IllegalArgumentException("The " + key |
| + " key cannot be used to put a CharSequence"); |
| } |
| } |
| mBundle.putCharSequence(key, value); |
| return this; |
| } |
| |
| /** |
| * Put a String value into the metadata. Custom keys may be used, but if |
| * the METADATA_KEYs defined in this class are used they may only be one |
| * of the following: |
| * <ul> |
| * <li>{@link #METADATA_KEY_TITLE}</li> |
| * <li>{@link #METADATA_KEY_ARTIST}</li> |
| * <li>{@link #METADATA_KEY_ALBUM}</li> |
| * <li>{@link #METADATA_KEY_AUTHOR}</li> |
| * <li>{@link #METADATA_KEY_WRITER}</li> |
| * <li>{@link #METADATA_KEY_COMPOSER}</li> |
| * <li>{@link #METADATA_KEY_COMPILATION}</li> |
| * <li>{@link #METADATA_KEY_DATE}</li> |
| * <li>{@link #METADATA_KEY_GENRE}</li> |
| * <li>{@link #METADATA_KEY_ALBUM_ARTIST}</li> |
| * <li>{@link #METADATA_KEY_ART_URI}</li> |
| * <li>{@link #METADATA_KEY_ALBUM_ART_URI}</li> |
| * <li>{@link #METADATA_KEY_DISPLAY_TITLE}</li> |
| * <li>{@link #METADATA_KEY_DISPLAY_SUBTITLE}</li> |
| * <li>{@link #METADATA_KEY_DISPLAY_DESCRIPTION}</li> |
| * <li>{@link #METADATA_KEY_DISPLAY_ICON_URI}</li> |
| * <li>{@link #METADATA_KEY_MEDIA_ID}</li> |
| * <li>{@link #METADATA_KEY_MEDIA_URI}</li> |
| * </ul> |
| * |
| * @param key The key for referencing this value |
| * @param value The String value to store |
| * @return The Builder to allow chaining |
| */ |
| public @NonNull Builder putString(@NonNull @TextKey String key, |
| @Nullable String value) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| if (METADATA_KEYS_TYPE.containsKey(key)) { |
| if (METADATA_KEYS_TYPE.get(key) != METADATA_TYPE_TEXT) { |
| throw new IllegalArgumentException("The " + key |
| + " key cannot be used to put a String"); |
| } |
| } |
| mBundle.putCharSequence(key, value); |
| return this; |
| } |
| |
| /** |
| * Put a long value into the metadata. Custom keys may be used, but if |
| * the METADATA_KEYs defined in this class are used they may only be one |
| * of the following: |
| * <ul> |
| * <li>{@link #METADATA_KEY_DURATION}</li> |
| * <li>{@link #METADATA_KEY_TRACK_NUMBER}</li> |
| * <li>{@link #METADATA_KEY_NUM_TRACKS}</li> |
| * <li>{@link #METADATA_KEY_DISC_NUMBER}</li> |
| * <li>{@link #METADATA_KEY_YEAR}</li> |
| * <li>{@link #METADATA_KEY_BT_FOLDER_TYPE}</li> |
| * <li>{@link #METADATA_KEY_ADVERTISEMENT}</li> |
| * <li>{@link #METADATA_KEY_DOWNLOAD_STATUS}</li> |
| * </ul> |
| * |
| * @param key The key for referencing this value |
| * @param value The String value to store |
| * @return The Builder to allow chaining |
| */ |
| public @NonNull Builder putLong(@NonNull @LongKey String key, long value) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| if (METADATA_KEYS_TYPE.containsKey(key)) { |
| if (METADATA_KEYS_TYPE.get(key) != METADATA_TYPE_LONG) { |
| throw new IllegalArgumentException("The " + key |
| + " key cannot be used to put a long"); |
| } |
| } |
| mBundle.putLong(key, value); |
| return this; |
| } |
| |
| /** |
| * Put a {@link Rating2} into the metadata. Custom keys may be used, but |
| * if the METADATA_KEYs defined in this class are used they may only be |
| * one of the following: |
| * <ul> |
| * <li>{@link #METADATA_KEY_RATING}</li> |
| * <li>{@link #METADATA_KEY_USER_RATING}</li> |
| * </ul> |
| * |
| * @param key The key for referencing this value |
| * @param value The String value to store |
| * @return The Builder to allow chaining |
| */ |
| public @NonNull Builder putRating(@NonNull @RatingKey String key, |
| @Nullable Rating2 value) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| if (METADATA_KEYS_TYPE.containsKey(key)) { |
| if (METADATA_KEYS_TYPE.get(key) != METADATA_TYPE_RATING) { |
| throw new IllegalArgumentException("The " + key |
| + " key cannot be used to put a Rating"); |
| } |
| } |
| mBundle.putBundle(key, (value == null) ? null : value.toBundle()); |
| return this; |
| } |
| |
| /** |
| * Put a {@link Bitmap} into the metadata. Custom keys may be used, but |
| * if the METADATA_KEYs defined in this class are used they may only be |
| * one of the following: |
| * <ul> |
| * <li>{@link #METADATA_KEY_ART}</li> |
| * <li>{@link #METADATA_KEY_ALBUM_ART}</li> |
| * <li>{@link #METADATA_KEY_DISPLAY_ICON}</li> |
| * </ul> |
| * Large bitmaps may be scaled down by the system when |
| * {@link android.media.session.MediaSession#setMetadata} is called. |
| * To pass full resolution images {@link Uri Uris} should be used with |
| * {@link #putString}. |
| * |
| * @param key The key for referencing this value |
| * @param value The Bitmap to store |
| * @return The Builder to allow chaining |
| */ |
| public @NonNull Builder putBitmap(@NonNull @BitmapKey String key, |
| @Nullable Bitmap value) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| if (METADATA_KEYS_TYPE.containsKey(key)) { |
| if (METADATA_KEYS_TYPE.get(key) != METADATA_TYPE_BITMAP) { |
| throw new IllegalArgumentException("The " + key |
| + " key cannot be used to put a Bitmap"); |
| } |
| } |
| mBundle.putParcelable(key, value); |
| return this; |
| } |
| |
| /** |
| * Put a float value into the metadata. Custom keys may be used. |
| * |
| * @param key The key for referencing this value |
| * @param value The float value to store |
| * @return The Builder to allow chaining |
| */ |
| public @NonNull Builder putFloat(@NonNull @LongKey String key, float value) { |
| if (key == null) { |
| throw new IllegalArgumentException("key shouldn't be null"); |
| } |
| if (METADATA_KEYS_TYPE.containsKey(key)) { |
| if (METADATA_KEYS_TYPE.get(key) != METADATA_TYPE_FLOAT) { |
| throw new IllegalArgumentException("The " + key |
| + " key cannot be used to put a float"); |
| } |
| } |
| mBundle.putFloat(key, value); |
| return this; |
| } |
| |
| /** |
| * Set a bundle of extras. |
| * |
| * @param extras The extras to include with this description or null. |
| * @return The Builder to allow chaining |
| */ |
| public Builder setExtras(@Nullable Bundle extras) { |
| mBundle.putBundle(METADATA_KEY_EXTRAS, extras); |
| return this; |
| } |
| |
| /** |
| * Creates a {@link MediaMetadata2} instance with the specified fields. |
| * |
| * @return The new MediaMetadata2x instance |
| */ |
| public @NonNull MediaMetadata2 build() { |
| return new MediaMetadata2(mBundle); |
| } |
| |
| private Bitmap scaleBitmap(Bitmap bmp, int maxSize) { |
| float maxSizeF = maxSize; |
| float widthScale = maxSizeF / bmp.getWidth(); |
| float heightScale = maxSizeF / bmp.getHeight(); |
| float scale = Math.min(widthScale, heightScale); |
| int height = (int) (bmp.getHeight() * scale); |
| int width = (int) (bmp.getWidth() * scale); |
| return Bitmap.createScaledBitmap(bmp, width, height, true); |
| } |
| } |
| } |
| |
