UIPasteboard粘贴板:UIMenuController自定义(三)

这篇咱总结总结自定义剪贴板的使用

其实自定义剪贴板也非常简单,无非是放开响应时间,通过UIMenuController自定义剪贴板,然后就是最关键的实现你所用的copy方法拉。

为了方便实用,我给cell添加了长按事件,看代码---

UILongPressGestureRecognizer *recognizer = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)];

    [cell addGestureRecognizer:recognizer];

好,事件加上了,剩下的点击就是实现自定义剪贴板了,上代码:

 

- (void)longPress:(UILongPressGestureRecognizer *)recognizer{

       if (recognizer.state == UIGestureRecognizerStateBegan) {

             CopyCell *cell = (CopyCell *)recognizer.view;

             [cell becomeFirstResponder];

            UIMenuItem *flag = [[UIMenuItem alloc] initWithTitle:@"Flag"action:@selector(flag:)];

            UIMenuItem *approve = [[UIMenuItem alloc] initWithTitle:@"Approve"action:@selector(approve:)];

            UIMenuItem *deny = [[UIMenuItem alloc] initWithTitle:@"Deny"action:@selector(deny:)];

            UIMenuController *menu = [UIMenuController sharedMenuController];


        [menu setMenuItems:[NSArray arrayWithObjects:flag, approve, deny, nil]];


        NSLog(@".....%@",NSStringFromCGRect(cell.frame));

        [menu setTargetRect:cell.frame inView:cell.superview];


        [menu setMenuVisible:YES animated:YES];

      }

}

通过上面这段代码,自定义剪贴板成功搞定,运行,你猛然会发现,操,怎么剪贴板没有出来,我猜你已经想到为什么了,因为

- (BOOL)canBecomeFirstResponder{

    return YES;

}

这么重要的一句话没有加,OK,下面就是你所要使用的方法了

- (void)flag:(id)sender {


    NSLog(@"Cell was flagged");


}

- (void)approve:(id)sender {


    NSLog(@"Cell was approved");

}


- (void)deny:(id)sender {


    NSLog(@"Cell was denied");


}

原文地址:https://www.cnblogs.com/niexiaobo/p/4465099.html