AD-Paladins

import UIKit

class ViewController: UIViewController {
    
   @IBAction func sharePDFActionButton(_ sender: Any) {
        do {
            try savePdf()
            loadPDFAndShare()
        } catch  {
            print("FALLO EL GUARDAR EL PDF")

AD-Paladins

var pinchGestureRecognizer : UIPinchGestureRecognizer!

override func viewDidLoad() {
    super.viewDidLoad()
    pinchGestureRecognizer = UIPinchGestureRecognizer(target: self, action: #selector(pinchGesture))
    self.textView.addGestureRecognizer(pinchGestureRecognizer)
}


@objc func pinchGesture(gestureRecognizer: UIPinchGestureRecognizer ) {

AD-Paladins

extension UIView {
func shake(duration: CFTimeInterval) {
        let translation = CAKeyframeAnimation(keyPath: "transform.translation.x");
        translation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
        translation.values = [-5, 5, -5, 5, -3, 3, -2, 2, 0]
        
        let rotation = CAKeyframeAnimation(keyPath: "transform.rotation.z")
        rotation.values = [-5, 5, -5, 5, -3, 3, -2, 2, 0].map {
            (let degrees: Double) -> Double in
            let radians: Double = (M_PI * degrees) / 180.0