How to manage UIImageView content mode?

Question

I have an UIImageView with some fixed rect size. But my images are not fixed in size. I want to display images according to UIImageView\'s rect size. Whether image is big or

Answer 1

Worth noting that swift 3 has changed as following

.ScaleAspectFit to scaleAspectFit

.ScaleAspectFill to .scaleAspectFill

Answer 2

Here a solution for swift:

let imageView = UIImageView(image: UIImage(named: "backgroundImage"))
imageView.frame = tableView.frame
imageView.contentMode = .ScaleAspectFill
tableView.backgroundView = imageView

Answer 3

If you want to make your UIImageView size according to ratio ,then you must set it's mode to UIViewContentModeScaleAspectFit

 yourimage.contentMode=UIViewContentModeScaleAspectFit;

let me know it is working or not!!!

Happy Coding.

Answer 4

In swift you set content mode as well

var newImgThumb : UIImageView
newImgThumb = UIImageView(frame:CGRectMake(0, 0, 100, 70))
newImgThumb.contentMode = .ScaleAspectFit

Answer 5

Please try this code, Hope it will work for you.

set UIImageView contentMode to UIViewContentModeScaleAspectFill as below :

imageView.contentMode = UIViewContentModeScaleAspectFill;

set autoresizingMask of UIImageView as below :

imageView.autoresizingMask =   
    ( UIViewAutoresizingFlexibleBottomMargin
    | UIViewAutoresizingFlexibleHeight
    | UIViewAutoresizingFlexibleLeftMargin
    | UIViewAutoresizingFlexibleRightMargin
    | UIViewAutoresizingFlexibleTopMargin
    | UIViewAutoresizingFlexibleWidth );

Answer 6

You just need these two lines:

imageView.contentMode = UIViewContentModeScaleAspectFill;
imageView.layer.clipsToBounds = YES; // Must do this or else image will overflow