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Showing content from https://developers.google.com/android/reference/com/google/android/gms/cast/MediaMetadata below:

MediaMetadata | Google Play services

Container class for media metadata. Metadata has a media type, an optional list of images, and a collection of metadata fields. Keys for common metadata fields are predefined as constants, but the application is free to define and use additional fields of its own. Information about the different media types and their associated metadata can be found in the Media Playback Messages documentation.

The values of the predefined fields have predefined types. For example, a track number is an int, a creation date is a String containing an ISO-8601 representation of a date and time, and a section duration is an integer in milliseconds. Attempting to store a value of an incorrect type in a field results in a IllegalArgumentException. The complete list of predefined fields is as follows:

Field Value Type Valid Metadata Types KEY_CREATION_DATE Date MEDIA_TYPE_PHOTO KEY_RELEASE_DATE Date MEDIA_TYPE_GENERIC, MEDIA_TYPE_MOVIE, MEDIA_TYPE_TV_SHOW, MEDIA_TYPE_MUSIC_TRACK KEY_BROADCAST_DATE Date MEDIA_TYPE_TV_SHOW KEY_TITLE String MEDIA_TYPE_GENERIC, MEDIA_TYPE_MOVIE, MEDIA_TYPE_TV_SHOW, MEDIA_TYPE_MUSIC_TRACK, MEDIA_TYPE_PHOTO, MEDIA_TYPE_AUDIOBOOK_CHAPTER KEY_SUBTITLE String MEDIA_TYPE_GENERIC, MEDIA_TYPE_MOVIE, MEDIA_TYPE_AUDIOBOOK_CHAPTER KEY_ARTIST String MEDIA_TYPE_GENERIC, MEDIA_TYPE_MUSIC_TRACK, MEDIA_TYPE_PHOTO KEY_ALBUM_ARTIST String MEDIA_TYPE_MUSIC_TRACK KEY_ALBUM_TITLE String MEDIA_TYPE_MUSIC_TRACK KEY_COMPOSER String MEDIA_TYPE_MUSIC_TRACK KEY_DISC_NUMBER Integer MEDIA_TYPE_MUSIC_TRACK KEY_TRACK_NUMBER Integer MEDIA_TYPE_MUSIC_TRACK KEY_SEASON_NUMBER Integer MEDIA_TYPE_TV_SHOW KEY_EPISODE_NUMBER Integer MEDIA_TYPE_TV_SHOW KEY_SERIES_TITLE String MEDIA_TYPE_TV_SHOW KEY_STUDIO String MEDIA_TYPE_MOVIE KEY_WIDTH Integer MEDIA_TYPE_PHOTO KEY_HEIGHT Integer MEDIA_TYPE_PHOTO KEY_LOCATION_NAME String MEDIA_TYPE_PHOTO KEY_LOCATION_LATITUDE Double MEDIA_TYPE_PHOTO KEY_LOCATION_LONGITUDE Double MEDIA_TYPE_PHOTO KEY_BOOK_TITLE String MEDIA_TYPE_AUDIOBOOK_CHAPTER KEY_CHAPTER_TITLE String MEDIA_TYPE_AUDIOBOOK_CHAPTER KEY_CHAPTER_NUMBER Integer MEDIA_TYPE_AUDIOBOOK_CHAPTER KEY_QUEUE_ITEM_ID Integer All types KEY_SECTION_DURATION Time in milliseconds All types KEY_SECTION_START_ABSOLUTE_TIME Time in milliseconds All types KEY_SECTION_START_TIME_IN_CONTAINER Time in milliseconds All types KEY_SECTION_START_TIME_IN_MEDIA Time in milliseconds All types

Note that the Cast protocol limits which metadata fields can be used for a given media type. When a MediaMetadata object is serialized to JSON for delivery to a Cast receiver, any predefined fields which are not supported for a given media type are not included in the serialized form, but any application-defined fields are always included.

Constant Summary Inherited Constant Summary From interface android.os.Parcelable int CONTENTS_FILE_DESCRIPTOR int PARCELABLE_WRITE_RETURN_VALUE Public Constructor Summary Public Method Summary Inherited Method Summary From class java.lang.Object Object

clone()

boolean void

finalize()

final Class<?>

getClass()

int

hashCode()

final void

notify()

final void

notifyAll()

String

toString()

final void

wait(long arg0, int arg1)

final void

wait(long arg0)

final void

wait()

From interface android.os.Parcelable abstract int

describeContents()

abstract void writeToParcel

(

Parcel

arg0, int arg1)

Constants public static final String KEY_ALBUM_ARTIST

String key: Album artist.

The name of the artist who produced an album. For example, in compilation albums such as DJ mixes, the album artist is not necessarily the same as the artist(s) of the individual songs on the album. This value is suitable for display purposes.

Constant Value: "com.google.android.gms.cast.metadata.ALBUM_ARTIST"

public static final String KEY_ALBUM_TITLE

String key: Album title.

The title of the album that a music track belongs to. This value is suitable for display purposes.

Constant Value: "com.google.android.gms.cast.metadata.ALBUM_TITLE"

public static final String KEY_ARTIST

String key: Artist.

The name of the artist who created the media. For example, this could be the name of a musician, performer, or photographer. This value is suitable for display purposes.

Constant Value: "com.google.android.gms.cast.metadata.ARTIST"

public static final String KEY_BOOK_TITLE

String key: Audiobook title.

The title of the audiobook.

Constant Value: "com.google.android.gms.cast.metadata.BOOK_TITLE"

public static final String KEY_BROADCAST_DATE

String key: Broadcast date.

The value is the date and/or time at which the media was first broadcast, in ISO-8601 format. For example, this could be the date that a TV show episode was first aired.

Constant Value: "com.google.android.gms.cast.metadata.BROADCAST_DATE"

public static final String KEY_CHAPTER_NUMBER

String key: Chapter number.

The chapter number of the audiobook.

Constant Value: "com.google.android.gms.cast.metadata.CHAPTER_NUMBER"

public static final String KEY_CHAPTER_TITLE

String key: Chapter title.

The title of the chapter of the audiobook.

Constant Value: "com.google.android.gms.cast.metadata.CHAPTER_TITLE"

public static final String KEY_COMPOSER

String key: Composer.

The name of the composer of a music track. This value is suitable for display purposes.

Constant Value: "com.google.android.gms.cast.metadata.COMPOSER"

public static final String KEY_CREATION_DATE

String key: Creation date.

The value is the date and/or time at which the media was created, in ISO-8601 format. For example, this could be the date and time at which a photograph was taken or a piece of music was recorded.

Constant Value: "com.google.android.gms.cast.metadata.CREATION_DATE"

public static final String KEY_DISC_NUMBER

Integer key: Disc number.

The disc number (counting from 1) that a music track belongs to in a multi-disc album.

Constant Value: "com.google.android.gms.cast.metadata.DISC_NUMBER"

public static final String KEY_EPISODE_NUMBER

Integer key: Episode number.

The number of an episode in a given season of a TV show. Typically episode numbers are counted starting from 1, however this value may be 0 if it is a "pilot" episode that is not considered to be an official episode of the first season.

Constant Value: "com.google.android.gms.cast.metadata.EPISODE_NUMBER"

public static final String KEY_HEIGHT

Integer key: Height.

The height of a piece of media, in pixels. This would typically be used for providing the dimensions of a photograph.

Constant Value: "com.google.android.gms.cast.metadata.HEIGHT"

public static final String KEY_LOCATION_LATITUDE

Double key: Location latitude.

The latitude component of the geographical location where a piece of media was created. For example, this could be the location of a photograph or the principal filming location of a movie.

Constant Value: "com.google.android.gms.cast.metadata.LOCATION_LATITUDE"

public static final String KEY_LOCATION_LONGITUDE

Double key: Location longitude.

The longitude component of the geographical location where a piece of media was created. For example, this could be the location of a photograph or the principal filming location of a movie.

Constant Value: "com.google.android.gms.cast.metadata.LOCATION_LONGITUDE"

public static final String KEY_LOCATION_NAME

String key: Location name.

The name of a location where a piece of media was created. For example, this could be the location of a photograph or the principal filming location of a movie. This value is suitable for display purposes.

Constant Value: "com.google.android.gms.cast.metadata.LOCATION_NAME"

public static final String KEY_QUEUE_ITEM_ID

Int key: Queue item ID.

The ID of the queue item that includes the section start time.

Constant Value: "com.google.android.gms.cast.metadata.QUEUE_ITEM_ID"

public static final String KEY_RELEASE_DATE

String key: Release date.

The value is the date and/or time at which the media was released, in ISO-8601 format. For example, this could be the date that a movie or music album was released.

Constant Value: "com.google.android.gms.cast.metadata.RELEASE_DATE"

public static final String KEY_SEASON_NUMBER

Integer key: Season number.

The season number that a TV show episode belongs to. Typically season numbers are counted starting from 1, however this value may be 0 if it is a "pilot" episode that predates the official start of a TV series.

Constant Value: "com.google.android.gms.cast.metadata.SEASON_NUMBER"

public static final String KEY_SECTION_DURATION

Time key in milliseconds: section duration.

The section duration in milliseconds.

Constant Value: "com.google.android.gms.cast.metadata.SECTION_DURATION"

public static final String KEY_SECTION_START_ABSOLUTE_TIME

Time key in milliseconds: section start absolute time.

For live content, this field can be used to specify the absolute section start time. The value is in Epoch time in milliseconds.

Constant Value: "com.google.android.gms.cast.metadata.SECTION_START_ABSOLUTE_TIME"

public static final String KEY_SECTION_START_TIME_IN_CONTAINER

Time key in milliseconds: section start time in the container.

Povides section start offset within the full container. For example audiobook chapter offset within the whole book.

Constant Value: "com.google.android.gms.cast.metadata.SECTION_START_TIME_IN_CONTAINER"

public static final String KEY_SECTION_START_TIME_IN_MEDIA

Time key in milliseconds: section start time in media item.

Offset of the section start time from the start of the media item (as specified by KEY_QUEUE_ITEM_ID) in milliseconds.

Constant Value: "com.google.android.gms.cast.metadata.SECTION_START_TIME_IN_MEDIA"

public static final String KEY_SERIES_TITLE

String key: Series title.

The name of a series. For example, this could be the name of a TV show or series of related music albums. This value is suitable for display purposes.

Constant Value: "com.google.android.gms.cast.metadata.SERIES_TITLE"

public static final String KEY_STUDIO

String key: Studio.

The name of a recording studio that produced a piece of media. For example, this could be the name of a movie studio or music label. This value is suitable for display purposes.

Constant Value: "com.google.android.gms.cast.metadata.STUDIO"

public static final String KEY_SUBTITLE

String key: Subtitle.

The subtitle of the media. This value is suitable for display purposes.

Constant Value: "com.google.android.gms.cast.metadata.SUBTITLE"

public static final String KEY_TITLE

String key: Title.

The title of the media. For example, this could be the title of a song, movie, or TV show episode. This value is suitable for display purposes.

Constant Value: "com.google.android.gms.cast.metadata.TITLE"

public static final String KEY_TRACK_NUMBER

Integer key: Track number.

The track number of a music track on an album disc. Typically track numbers are counted starting from 1, however this value may be 0 if it is a "hidden track" at the beginning of an album.

Constant Value: "com.google.android.gms.cast.metadata.TRACK_NUMBER"

public static final String KEY_WIDTH

Integer key: Width.

The width of a piece of media, in pixels. This would typically be used for providing the dimensions of a photograph.

Constant Value: "com.google.android.gms.cast.metadata.WIDTH"

public static final int MEDIA_TYPE_AUDIOBOOK_CHAPTER

A media type representing an audiobook chapter.

Constant Value: 5

public static final int MEDIA_TYPE_GENERIC

A media type representing generic media content.

Constant Value: 0

public static final int MEDIA_TYPE_MOVIE

A media type representing a movie.

Constant Value: 1

public static final int MEDIA_TYPE_MUSIC_TRACK

A media type representing a music track.

Constant Value: 3

public static final int MEDIA_TYPE_PHOTO

A media type representing a photo.

Constant Value: 4

public static final int MEDIA_TYPE_TV_SHOW

A media type representing an TV show.

Constant Value: 2

public static final int MEDIA_TYPE_USER

The smallest media type value that can be assigned for application-defined media types.

Constant Value: 100

Public Constructors public MediaMetadata (int mediaType)

Constructs a new, empty, MediaMetadata with the given media type.

Parameters mediaType The media type; one of the MEDIA_TYPE_* constants, or a value greater than or equal to MEDIA_TYPE_USER for custom media types. Public Methods public void addImage (WebImage image)

Adds an image to the list of images.

public void clear ()

Clears this object. The media type is left unchanged.

public void clearImages ()

Clears the list of images.

public boolean containsKey (String key)

Tests if the object contains a field with the given key.

public boolean equals (Object other) public Calendar getDate (String key)

Reads the value of a date field.

Returns public String getDateAsString (String key)

Reads the value of a date field, as a string.

Returns public double getDouble (String key)

Reads the value of a double field.

Returns public List<WebImage> getImages ()

Returns the list of images. If there are no images, returns an empty list.

public int getInt (String key)

Reads the value of an int field.

Returns public int getMediaType () public String getString (String key)

Reads the value of a String field.

Returns public long getTimeMillis (String key)

Reads the value of a time field, as a long in milliseconds.

Returns public boolean hasImages ()

Checks if the metadata includes any images.

public Set<String> keySet ()

Returns a set of keys for all fields that are present in the object.

public void putDate (String key, Calendar value)

Stores a value in a date field.

Parameters key The key for the field. value The new value for the field. public void putDouble (String key, double value)

Stores a value in a double field.

Parameters key The key for the field. value The new value for the field. public void putInt (String key, int value)

Stores a value in an int field.

Parameters key The key for the field. value The new value for the field. public void putString (String key, String value)

Stores a value in a String field.

Parameters key The key for the field. value The new value for the field. public void putTimeMillis (String key, long value)

Stores a value in a time field.

Parameters key the key for the field value the new value for the field, as long in milliseconds public void writeToParcel (Parcel out, int flags)

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