agibson73

 call in viewDidLoad
 setUpNavBar(bottomBorderColor: .white, opacity: 0.4, height: 1)
 
 
 func setUpNavBar(bottomBorderColor:UIColor,opacity:Float,height:CGFloat){
        self.navigationController?.navigationBar.setBackgroundImage(UIImage(), for: .default)
        let navLabel = UILabel(frame: CGRect.zero)
        navLabel.backgroundColor = UIColor.clear
        navLabel.font = UIFont.systemFont(ofSize: 18)
        navLabel.textAlignment = NSTextAlignment.center

agibson73

let vw = UIView(frame: CGRect(x: 0, y: 0, width: 50, height: 50))
        
        vw.backgroundColor = UIColor.red
        self.view.addSubview(vw)
        vw.center = self.view.center
        
        // Your code with delay
        let spring = CASpringAnimation(keyPath: "position.y")
        spring.toValue = vw.center.y - 200
        spring.damping = 10.0

agibson73

//See below class for example usage
class GIBbutton : UIButton{
    var action : ((UIButton!)->Void)!
    
    convenience init(frame:CGRect,controlEvents:[UIControlEvents],targetAction:((UIButton!)->Void)!){
        self.init()
        self.frame = frame
        action = targetAction
        for event in controlEvents{
            self.addTarget(self, action: #selector(GIBbutton.performOurAction), forControlEvents: event)

agibson73

// when setting up your attributed String add an ATTRIBUTE to look for
// in this example button
// when i set up the string for the button I might use this
[NSForegroundColorAttributeName : UIColor.lightGrayColor(),NSFontAttributeName: font,"button":"button"]


func handleTapOnTextView(sender:UITextView){
    let storedAttributedString = self.textView.attributedText
    let textView = sender.view as! UITextView

agibson73

// I have used this with PSPDFTextView


- (void)drawRect:(CGRect)rect {
    [super drawRect:rect];
    //Get the current drawing context
    CGContextRef context = UIGraphicsGetCurrentContext();
    //Set the line color and width
    CGContextSetStrokeColorWithColor(context, [UIColor colorWithRed:0.0f green:0.0f blue:0.0f alpha:0.2f].CGColor);
    CGContextSetLineWidth(context, 1.0f);

agibson73

//
//  TransitionZoomForward.swift
 
//  Created by Alex Gibson on 3/14/15.
//  Free to Use by Anyone
//  Have Fun!
//
 
import UIKit