<GCKUIImage Picker> Protokol
Koleksiyonlar ile düzeninizi koruyun
İçeriği tercihlerinize göre kaydedin ve kategorilere ayırın.
Bir GCKMediaMetadata nesnesinden belirli bir amaç için resim seçmek üzere kullanılan bir nesne.
Varsayılan uygulama, tüm kullanımlar için her zaman meta verilerden ilk resmi seçen çerçeve tarafından dahili olarak kullanılır. Uygulama, GCKCastContext::imagePicker özelliğini ayarlayarak özel bir uygulama sağlayabilir.
- yılından beri
- 3,0
<NSObject> öğesini devralır.
Medya meta verilerinden belirtilen türde bir görüntü döndürür.
- Parameters
-
| imageHints | The hints about how to pick the image. |
| metadata | The media metadata to pick from. |
- İlerlemeler
- Seçilen resim veya istenen tür için uygun bir resim yoksa
nil.
Aksi belirtilmediği sürece bu sayfanın içeriği Creative Commons Atıf 4.0 Lisansı altında ve kod örnekleri Apache 2.0 Lisansı altında lisanslanmıştır. Ayrıntılı bilgi için Google Developers Site Politikaları'na göz atın. Java, Oracle ve/veya satış ortaklarının tescilli ticari markasıdır.
Son güncelleme tarihi: 2025-07-25 UTC.
[null,null,["Son güncelleme tarihi: 2025-07-25 UTC."],[[["\u003cp\u003e\u003ccode\u003eGCKUIImagePicker\u003c/code\u003e protocol helps select images from \u003ccode\u003eGCKMediaMetadata\u003c/code\u003e objects for display within the Google Cast framework.\u003c/p\u003e\n"],["\u003cp\u003eBy default, the first image in the metadata is used, but apps can customize image selection via \u003ccode\u003eGCKCastContext::imagePicker\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003egetImageWithHints:fromMetadata:\u003c/code\u003e method fetches a specific image type from the metadata based on provided hints.\u003c/p\u003e\n"],["\u003cp\u003eIf no suitable image is found matching the desired type, this method will return \u003ccode\u003enil\u003c/code\u003e.\u003c/p\u003e\n"]]],["The `GCKUIImagePicker` protocol selects an image from `GCKMediaMetadata`. It has a default implementation that selects the first image. Custom implementations can be provided via `GCKCastContext::imagePicker`. The key method, `getImageWithHints:fromMetadata:`, retrieves an image based on `GCKUIImageHints` from provided metadata. It returns the selected `GCKImage` or `nil` if no suitable image is found. This enables picking specific image types for different purposes.\n"],null,["# <GCKUIImagePicker> Protocol\n\n[Instance Methods](#pub-methods) \n\\\u003cGCKUIImagePicker\\\u003e Protocol Reference \n\nOverview\n--------\n\nAn object used for selecting an image for a given purpose from a [GCKMediaMetadata](/cast/docs/reference/ios/interface_g_c_k_media_metadata \"A container for media metadata. \") object.\n\nA default implementation is used internally by the framework which always selects the first image from the metadata for all uses. The application can provide a custom implementation by setting the [GCKCastContext::imagePicker](/cast/docs/reference/ios/category_g_c_k_cast_context_07_u_i_08#ada8e8d94275d23c230956e5146d19633 \"The image picker implementation that will be used to select an image for a specific purpose...\") property.\n\nSince\n: 3.0\n\nInherits \\\u003cNSObject\\\u003e.\n\n|--------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------|\n| Instance Method Summary ----------------------- ||\n| (nullable [GCKImage](/cast/docs/reference/ios/interface_g_c_k_image) \\*) | - [getImageWithHints:fromMetadata:](/cast/docs/reference/ios/protocol_g_c_k_u_i_image_picker-p#ae99a4131372312a99342b24e8831c561) |\n| | Returns an image of the specified type from the media metadata. [More...](#ae99a4131372312a99342b24e8831c561) |\n| ||\n\nMethod Detail\n-------------\n\n|-----------------------------------------------------------------------------------------------|---|----------------------------------------------------------------------------------------|--------------|\n| - (nullable [GCKImage](/cast/docs/reference/ios/interface_g_c_k_image) \\*) getImageWithHints: | | ([GCKUIImageHints](/cast/docs/reference/ios/interface_g_c_k_u_i_image_hints) \\*) | *imageHints* |\n| fromMetadata: | | (const [GCKMediaMetadata](/cast/docs/reference/ios/interface_g_c_k_media_metadata) \\*) | *metadata* |\n| | | | |\n\nReturns an image of the specified type from the media metadata.\n\nParameters\n:\n\n |------------|----------------------------------------|\n | imageHints | The hints about how to pick the image. |\n | metadata | The media metadata to pick from. |\n\n\nReturns\n: The selected image, or `nil` if there is no appropriate image for the requested type."]]
