我是iOS开发的新手(现在已经2周了),我正在开发一个iOS应用程序,我想在UIPickerView中填写一个国家列表。return 1;// or the number of vertical "columns" the picker will show...- (NSInteger)pickerView:(UIPickerViewhas - in this case, the size of your loaded array...
我使用的是快速2.0 (我也是Swift和iOS开发的新手).我的视图控制器类..。UIViewController, UIPickerViewDataSource,UIPickerViewDelegate {
@IBOutlet var durationPicker: UIPickerView@IBOutlet var typePicker: UIPickerView!) -> Int {
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