يشير هذا المصطلح إلى حدث يتم إرساله باستخدام cast.framework.CastReceiverContext عند
تغيير مستوى رؤية التطبيق، مثلاً عند تغيير إدخال HDMI
أو إيقاف التلفزيون.
الشركة المصنِّعة
VisibilityChangedEvent
جديد
VisibilityChangedEvent(isvisible)
المَعلمة
isVisible
boolean
true عندما يكون جهاز البث هو جهاز الإدخال النشط، وfalse عندما لا يكون كذلك.
تاريخ التعديل الأخير: 2025-07-25 (حسب التوقيت العالمي المتفَّق عليه)
[null,null,["تاريخ التعديل الأخير: 2025-07-25 (حسب التوقيت العالمي المتفَّق عليه)"],[[["\u003cp\u003e\u003ccode\u003eVisibilityChangedEvent\u003c/code\u003e is dispatched when the visibility of the Cast application changes, such as when the TV input is switched or the TV is powered off.\u003c/p\u003e\n"],["\u003cp\u003eIt provides a boolean property \u003ccode\u003eisVisible\u003c/code\u003e indicating whether the Cast device is the active input (\u003ccode\u003etrue\u003c/code\u003e) or not (\u003ccode\u003efalse\u003c/code\u003e).\u003c/p\u003e\n"],["\u003cp\u003eThis event is an instance of \u003ccode\u003ecast.framework.system.Event\u003c/code\u003e and includes a \u003ccode\u003etype\u003c/code\u003e property to identify it.\u003c/p\u003e\n"]]],[],null,["# Class: VisibilityChangedEvent\n\ncast.[framework](/cast/docs/reference/web_receiver/cast.framework).[system](/cast/docs/reference/web_receiver/cast.framework.system).VisibilityChangedEvent\n===========================================================================================================================================================\n\nclass static\n\nAn event dispatched by [cast.framework.CastReceiverContext](/cast/docs/reference/web_receiver/cast.framework.CastReceiverContext) when the\nvisibility of the application changes - for instance, when the HDMI input\nchanges, or the TV is turned off.\n\nConstructor\n-----------\n\n### VisibilityChangedEvent\n\nnew\nVisibilityChangedEvent(isVisible)\n\n| #### Parameter ||\n|-----------|----------------------------------------------------------------------------|\n| isVisible | boolean `true` when the Cast device is the active input, `false` when not. |\n\nExtends\n: [cast.framework.system.Event](/cast/docs/reference/web_receiver/cast.framework.system.Event)\n\nProperties\n----------\n\n### isVisible\n\nboolean\n\n`true` when the Cast device is the active input, `false` when not.\n\n### type\n\nnon-null [cast.framework.system.EventType](/cast/docs/reference/web_receiver/cast.framework.system#.EventType)\n\nThe event type.\n\nInherited from\n: [cast.framework.system.Event#type](/cast/docs/reference/web_receiver/cast.framework.system.Event#type)"]]
