FocusNodeHandle typedef

FocusNodeHandle = void Function(bool hasFocus, int value, FocusNode focusNode, TextEditingController controller)

焦点回调 hasFocus - 是否存在焦点 value - 编辑框里面当前的值

Implementation

typedef FocusNodeHandle = void Function(bool hasFocus, int value, FocusNode focusNode, TextEditingController controller);