setOnShowCallback static method
Sets a block of code to be executed just before the SDK's UI is presented.
This block is executed on the UI thread. Could be used for performing any
UI changes before the survey's UI is shown.
function
A callback that gets executed before presenting the survey's UI.
Implementation
static Future<void> setOnShowCallback(Function function) async {
_channel.setMethodCallHandler(_handleMethod);
_onShowCallback = function;
await _channel.invokeMethod<Object>('setOnShowSurveyCallback');
}