How do I create a white border and black shadow for my UIImageView?

How do I create开发者_如何学运维 a white border and black shadow for my UIImageView?

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Just import

#import  <QuartzCore/QuartzCore.h> 

and make sure that you have the QuartzCore framework added to your project.

Then to add border

[imageView.layer setBorderColor: [[UIColor whiteColor] CGColor]];
[imageView.layer setBorderWidth: 2.0];

To create shadow, see this SO question, which will get you going..

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this is the way I add a border and shadow to an UIImage in a UIMageView

someImageView.image = someUIImage;
someImageView.frame = CGRectMake(45, 25, 50, 50);
[someImageView.layer setBorderColor: [[UIColor whiteColor] CGColor]];
[someImageView.layer setBorderWidth: 2.0];
[someImageView.layer setShadowOffset:CGSizeMake(-3.0, 3.0)];
[someImageView.layer setShadowRadius:3.0];
[someImageView.layer setShadowOpacity:1.0];

remember:

#import  <QuartzCore/QuartzCore.h>

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You can just add it as another UIImageView behind the one showing your image.