我在案文领域树立了一种 pick观,开始编辑职能,隐藏关键板。 现在的问题是,从小到小看看,它就显示第一价值的选择指标,但这一数值在案文领域没有显示。 我希望,当用户点击提交的文本时,从小到小到小到小到小到小到小到小到小到小看看看看看看看看看看看看看看看,从小到小到小到小到小到在选择指标位置的文字现场看看看看。 如何这样做? Suppose i的数值与0,1,2,3。 现在,在选任人看来,甄选指标值为0。 但是,为了获得这一价值,我们必须从中看到,然后回到零点,这显示了案文领域的这种价值。 为什么会发生? 如何自动获得价值?
Thanks in advances...
您的看法与案文领域之间没有任何联系——你必须放弃。
有两个问题需要考虑:
(1) 你的文本已经包含价值,请说“1”。 当你打开收货机时,你就能够使其达到这一价值。
[yourPicker selectRow:1 inComponent:0 animated:false]
假设你对采集器的数据阵列为[0、1、2、3]。 就你而言,使案文领域包含价值0,只字不提
[textField setText:@"0"]
2) 当你与皮条客一起工作时,他称代表的职能。
- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
So you have to make your view implement the UIPickerViewDelegate protocol, implement the above delegate function in it and set the view as the picker view s delegate. In the delegate function you can get the value the user picked (using row to access your data array values) and set this value in your textfield.
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