[null,null,["最后更新时间 (UTC)：2025-07-25。"],[[["\u003cp\u003eThe \u003ccode\u003ecast.framework.ui.Controls\u003c/code\u003e class provides an interface for configuring UI controls on touch-enabled devices for the Cast Web Receiver application.\u003c/p\u003e\n"],["\u003cp\u003eYou can use the \u003ccode\u003eassignButton\u003c/code\u003e method to display custom buttons within predefined slots and \u003ccode\u003eclearDefaultSlotAssignments\u003c/code\u003e to remove default buttons.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ehasMediaControlsOverlay\u003c/code\u003e method indicates whether a media overlay will be shown during playback, and \u003ccode\u003esetBrowseContent\u003c/code\u003e allows you to set media browse content for user discovery.\u003c/p\u003e\n"],["\u003cp\u003eObtain an instance of the UI Controls using the \u003ccode\u003egetInstance\u003c/code\u003e static method.\u003c/p\u003e\n"]]],[],null,["# Class: Controls\n\ncast.[framework](/cast/docs/reference/web_receiver/cast.framework).[ui](/cast/docs/reference/web_receiver/cast.framework.ui).Controls\n=====================================================================================================================================\n\nclass static\n\nTouch Controls. Provides interface for configuring controls on touch-enabled\ndevices.\n\nMethods\n-------\n\n### getInstance\n\nstatic\n\ngetInstance() returns [cast.framework.ui.Controls](/cast/docs/reference/web_receiver/cast.framework.ui.Controls)\n\nReturns the UI Controls instance.\n\nReturns\n\n: [cast.framework.ui.Controls](/cast/docs/reference/web_receiver/cast.framework.ui.Controls) An instance of the UI Controls.\n\n### assignButton\n\nassignButton(slot, button)\n\nDisplays button in the specified slot.\n\n| #### Parameter ||\n|--------|---------------------------------------------------------------------------------------------------------------------------------|\n| slot | [cast.framework.ui.ControlsSlot](/cast/docs/reference/web_receiver/cast.framework.ui#.ControlsSlot) Value must not be null. |\n| button | [cast.framework.ui.ControlsButton](/cast/docs/reference/web_receiver/cast.framework.ui#.ControlsButton) Value must not be null. |\n\nThrows\n\n: `non-null Error` if slot or button name is incorrect\n\n### clearDefaultSlotAssignments\n\nclearDefaultSlotAssignments()\n\nRemove all buttons assigned by default from slots.\n\n### hasMediaControlsOverlay\n\nhasMediaControlsOverlay() returns Promise containing boolean\n\nSignals whether the media controls overlay will be rendered during playback\non top of the application UI.\n\nReturns\n\n: `non-null Promise containing boolean` a promise that resolves to `true` if the media\n controls will be rendered and to `false` otherwise.\n\n### setBrowseContent\n\nsetBrowseContent(browseContent)\n\nSet Media Browse content for users to discover more contents from your\nreceiver.\n\n| #### Parameter ||\n|---------------|-------------------------------------------------------------------------------------------------------------------------|\n| browseContent | [cast.framework.ui.BrowseContent](/cast/docs/reference/web_receiver/cast.framework.ui.BrowseContent) Value may be null. |"]]
