startScribbleInteraction method Null safety
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 */ },
);
}