Triggered when the story block leaves the viewport. It is recommended that the host app is triggered when listening for scrolling. Only supported on iOS. Android automatically handles visibility detection during scrolling, so this API is only available on iOS.
Open the fullscreen story block.
Pause the story block.
Play the story block.
Triggered when the story block enters the viewport. It is recommended to call this method when the host app detects scroll events. Only supported on iOS. Android automatically handles visibility detection during scrolling, so this API is only available on iOS.