clearFocus method
Clears the current focus. It will clear also, for example, the current text selection.
Official Android API: https://developer.android.com/reference/android/view/ViewGroup#clearFocus()
Official iOS API: https://developer.apple.com/documentation/uikit/uiresponder/1621097-resignfirstresponder
Implementation
Future<void> clearFocus() async {
Map<String, dynamic> args = <String, dynamic>{};
return await _channel.invokeMethod('clearFocus', args);
}