onVerticalScrollEvent method

@override void onVerticalScrollEvent(bool isDirectionUp)

Called when a user scrolls the tab.

isDirectionUp - false when the user scrolls farther down the page, and true when the user scrolls back up toward the top of the page.

NOTE: available only if PlatformChromeSafariBrowser.isEngagementSignalsApiAvailable returns true.

Officially Supported Platforms/Implementations:

• Android (Official API - EngagementSignalsCallback.onVerticalScrollEvent)

Implementation

@override
void onVerticalScrollEvent(bool isDirectionUp) {}