cancel static method

DialogAction cancel({
  1. required String title,
  2. dynamic action()?,
  3. bool close = true,
})

创建灰色取消操作按钮

title 按钮显示文本 action 点击回调函数（可选） close 点击后是否关闭对话框（默认true）

Implementation

static DialogAction cancel(
    {required String title, Function()? action, bool close = true}) {
  return DialogAction(
    title: title,
    color: Colors.grey,
    action: action,
    close: close,
  );
}