<GCKUIImageCache> 通訊協定(&T)
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
定義擷取及快取圖片方式的通訊協定。
架構內部會使用預設的實作方式,快取使用者介面中顯示的媒體圖片。應用程式可以透過設定 GCKCastContext::imageCache 屬性來提供自訂實作。
- 開始時間
- 3.0
繼承 <NSObject>。
- (void) fetchImageForURL: |
|
(NSURL *) |
imageURL |
completion: |
|
(void(^)(UIImage *_Nullable)) |
completion |
|
|
| |
擷取指定網址的圖片,並傳回調整後的圖片。
這是非同步作業。
- Parameters
-
imageURL | The URL of the image. |
completion | A block to invoke once the image has been retrieved. The image should be passed to the block. If there was an error retrieving the image, nil should be passed instead. The block should only be invoked on the main thread. |
除非另有註明,否則本頁面中的內容是採用創用 CC 姓名標示 4.0 授權,程式碼範例則為阿帕契 2.0 授權。詳情請參閱《Google Developers 網站政策》。Java 是 Oracle 和/或其關聯企業的註冊商標。
上次更新時間:2023-12-01 (世界標準時間)。
[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2023-12-01 (世界標準時間)。"],[[["The `GCKUIImageCache` protocol defines how images are retrieved and cached for display within the Google Cast framework."],["Developers can customize image caching by providing their own implementation and setting it on the `GCKCastContext`."],["The `fetchImageForURL:completion:` method retrieves and scales images asynchronously, notifying the caller via a completion block on the main thread."]]],[]]