How can I create Visual effect to alert view similar to iOS default alerts?

Question

I have created UIVisualEffectView and I like it much. But, I don't have any idea on how can I create iOS like alert view having blur effect.

Here is the screenshot which explains what I need.

Answer 1

Here is sample it may be help you you can change BlurEffect type

UIBlurEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleDark];
UIVisualEffectView *backgroundView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
[self.view insertSubview:backgroundView atIndex:0];