自定义toast提示封装
使用方法
LKAutoMessageDialog *dialog = [[LKAutoMessageDialog alloc] initWithMessage:@"1.回调消失后再弹窗" time:2];
[dialog show];
[dialog registerDismissBlock:^{
[LKAutoMessageDialog showWithMessage:@"2.我是第二次弹窗" time:2];
}];