我正在尝试改变PickerView的高度
self.pickerView = [[UIPickerView alloc] init];
self.pickerView.frame = CGRectMake(0, 0, frame.size.width, frame.size.height);
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Xcode日志显示以下消息:
-[UIPickerView setFrame:]: invalid height value 274.0 pinned to 216.0
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我怎样才能改变它的高度?