hideKeyboard function
全局隐藏键盘
Implementation
void hideKeyboard(BuildContext context) {
FocusScopeNode currentFocus = FocusScope.of(context);
if (!currentFocus.hasPrimaryFocus && currentFocus.focusedChild != null) {
FocusManager.instance.primaryFocus?.unfocus();
// SystemChannels.textInput.invokeMethod('TextInput.hide');
}
}