[UIView numberOfComponentsInPickerView:]: unrecognized selector sent to instance
来源:互联网 发布:哪里买域名不用备案 编辑:程序博客网 时间:2024/05/17 08:32
今天写Picker View的小Demo竟然莫名其妙报错了,折腾了半天也没搞明白为什么。后来才知道是Picker View的dataSource 和 delegate 连接错了,应该在xib中连接File's Owner而不是View……
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