startScribbleInteraction method Null safety

Future<void> startScribbleInteraction()

Simulates a scribble interaction starting.

Implementation

Future<void> startScribbleInteraction() async {
  assert(isRegistered);
  await TestDefaultBinaryMessengerBinding.instance!.defaultBinaryMessenger.handlePlatformMessage(
    SystemChannels.textInput.name,
    SystemChannels.textInput.codec.encodeMethodCall(
      MethodCall(
        'TextInputClient.scribbleInteractionBegan',
         <dynamic>[_client ?? -1,]
      ),
    ),
    (ByteData? data) { /* response from framework is discarded */ },
  );
}