updateTextOverlay method
Updates the text overlay with the same id as overlay.
overlay is a JSON-compatible map produced by
TimelineTextOverlay.toJson.
Implementation
@override
Future<void> updateTextOverlay(int textureId, Map<String, dynamic> overlay) {
return methodChannel.invokeMethod<void>(
'updateTextOverlay',
<String, Object?>{'textureId': textureId, 'overlay': overlay},
);
}