iphone - Couldn't find UIscrollView as subview in mkmapview in ios6 -

iphone - Couldn't find UIscrollView as subview in mkmapview in ios6 -

i trying uiscrollview in mkmapview. in ios 5 code working fine in ios 6 app crashing. need scrollview set zoom level in mkmapview.

when run application in ios5 gives me scrollview, in ios 6 returns mkscrollcontainerview

here code.

uiscrollview *scroll = [[[[mapview subviews] objectatindex:0] subviews] objectatindex:0]; [scroll setzoomscale:0.045551 animated:no];

iphone ios objective-c uiscrollview mkmapview