ios7 - How to resize UIAlertView in iOS 7 -

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currently i'm using code doesn't work in ios 7. works fine in ios 6: 

uialertview *alertview = [[uialertview alloc] initwithtitle:title message:nil delegate:self cancelbuttontitle:@"cancel" otherbuttontitles:nil, nil];  [alertview show];  - (void)willpresentalertview:(uialertview *)alertview {    [alertview setframe:cgrectmake(alertview.frame.origin.x, alertview.frame.origin.y, alertview.frame.size.width, 200)];  }

how can resize in ios 7?


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