scribbleInsertPlaceholder method Null safety
Simulates iOS inserting a UITextPlaceholder during a long press with the pencil.
Implementation
Future<void> scribbleInsertPlaceholder() async {
assert(isRegistered);
await TestDefaultBinaryMessengerBinding.instance!.defaultBinaryMessenger.handlePlatformMessage(
SystemChannels.textInput.name,
SystemChannels.textInput.codec.encodeMethodCall(
MethodCall(
'TextInputClient.insertTextPlaceholder',
<dynamic>[_client ?? -1, 0.0, 0.0]
),
),
(ByteData? data) { /* response from framework is discarded */ },
);
}