GCKMediaTrack 类
继承 NSObject、<NSCopy> 和 <NSSecureCoding>。
| - (nullable instancetype) initWithIdentifier: |
|
(NSInteger) |
identifier |
| contentIdentifier: |
|
(nullable NSString *) |
contentIdentifier |
| contentType: |
|
(NSString *) |
contentType |
| type: |
|
(GCKMediaTrackType) |
type |
| textSubtype: |
|
(GCKMediaTextTrackSubtype) |
textSubtype |
| name: |
|
(nullable NSString *) |
name |
| languageCode: |
|
(nullable NSString *) |
languageCode |
| customData: |
|
(nullable id) |
customData |
|
|
| |
| - (NSString*) contentIdentifier |
|
readnonatomiccopy |
| - (NSString*) contentType |
|
readnonatomiccopy |
| - (GCKMediaTrackType) type |
|
readnonatomicassign |
| - (NSString*) languageCode |
|
readnonatomiccopy |
曲目的 RFC 1766 语言代码，可能是 nil。
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最后更新时间 (UTC)：2023-12-02。
[null,null,["最后更新时间 (UTC)：2023-12-02。"],[[["The `GCKMediaTrack` class represents a media track with properties like identifier, content type, and language."],["Instances of `GCKMediaTrack` are immutable, meaning their properties cannot be changed after creation."],["It provides a designated initializer to create instances with specific property values."],["`GCKMediaTrack` inherits from `NSObject`, `NSCopying`, and `NSSecureCoding`, offering functionalities related to object copying and secure coding."],["The class includes properties for custom data that can be serialized to JSON."]]],[]]
