Some UIImage extensions

UIImageExtensions.swift

import UIKit

extension UIImage {
    func resize(height: CGFloat, width: CGFloat) -> UIImage {
        UIGraphicsBeginImageContext(CGSize(width: width, height: height))
        draw(in: CGRect(x: 0, y: 0, width: width, height: height))
        let resizedImage = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        return resizedImage!
    }
    static func defaultProfilePicture() -> UIImage {
        // This can be useful when user dont have a profile picture.
        return UIImage(imageLiteralResourceName: "YourDefaultProfilePictureImageAssetName")
    }
}