应用中有单选项,期望实现的功能是用户选择之后更新label,但是实际上选择之后运行出null值。
//update label type
NSInteger row = [singlePicker selectedRowInComponent:0];
NSString *selected = [pickerData objectAtIndex:row];
NSString *strTypeSelected = [[NSString alloc] initWithFormat:@"%@",selected];
typelabel.text =strTypeSelected;