onVerticalScrollEvent method

  1. @SupportedPlatforms.new(platforms: [AndroidPlatform(apiName: 'EngagementSignalsCallback.onVerticalScrollEvent', apiUrl: 'https://developer.android.com/reference/androidx/browser/customtabs/EngagementSignalsCallback#onVerticalScrollEvent(boolean,android.os.Bundle)')])
void onVerticalScrollEvent(
  1. 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:

Parameters - Officially Supported Platforms/Implementations:

  • isDirectionUp: all platforms

Use the PlatformChromeSafariBrowserEvents.isMethodSupported method to check if this method is supported at runtime.

Implementation

@SupportedPlatforms(
  platforms: [
    AndroidPlatform(
      apiName: 'EngagementSignalsCallback.onVerticalScrollEvent',
      apiUrl:
          'https://developer.android.com/reference/androidx/browser/customtabs/EngagementSignalsCallback#onVerticalScrollEvent(boolean,android.os.Bundle)',
    ),
  ],
)
void onVerticalScrollEvent(bool isDirectionUp) {}