如何在UIPickerview所选栏中显示先前选择的值

Question

I am displaying numbers from 0 to 30 in a UIPickerview .

And call a pickerview when i tap on a button.

when ever i select one value in pickerview and tap on ok button to quit pickerview.

for the next time when ever i tap on button to open UIPickerview i need to display previous selected value like this .

for example previously i select 13 for the next time when i open pickerview i need to display 13 on selected bar as show in figure.

how can i done.

can any one please help me.

Thank u in advance.

Answer 1

Save user selection somewhere and before you show your picker view set its selection programmatically with selectRow:inComponent:animated: method:

// Create picker if needed
[pickerView selectRow:13 inComponent:0 animated:NO];
// Now show the picker