Preventing multiple buttons from being touched at the same time

Question

In iOS is there anyway to prevent a UIView containing multiple buttons (siblings) from being simultaneously from being touched? For instance, two non-overlapping buttons that ar

Answer 1

I have tried both  multiTouchEnabled and exclusiveTouch but unfortunately 
none of them workout for me.I have tried the following code worked 
perfectly.

Set this code at .h file

BOOL ClickedBool;

Set the following code at method start.

if(ClickedBool==TRUE)
{
     return;
}
else
{
    ClickedBool=TRUE;
}