修复swift5 编译

Podfile

@@ -0,0 +1,10 @@
+# Uncomment the next line to define a global platform for your project
+# platform :ios, '9.0'
+
+target 'YTAnimationDemo' do
+  # Comment the next line if you don't want to use dynamic frameworks
+  use_frameworks!
+
+  pod 'SnapKit'
+
+end

Podfile.lock

@@ -0,0 +1,16 @@
+PODS:
+  - SnapKit (4.2.0)
+
+DEPENDENCIES:
+  - SnapKit
+
+SPEC REPOS:
+  trunk:
+    - SnapKit
+
+SPEC CHECKSUMS:
+  SnapKit: fe8a619752f3f27075cc9a90244d75c6c3f27e2a
+
+PODFILE CHECKSUM: 75d2635015507fcf083ab37aaa0fcaa9729ea08b
+
+COCOAPODS: 1.10.0

YTAnimationDemo/AppDelegate.swift

@@ -7,14 +7,15 @@
 //
 
 import UIKit
+@_exported import SnapKit
 
 @UIApplicationMain
 class AppDelegate: UIResponder, UIApplicationDelegate {
 
     var window: UIWindow?
 
 
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
 
         window = UIWindow.init(frame: kScreenBounds)
         window?.makeKeyAndVisible()

YTAnimationDemo/Base/YTBaseViewController.swift

@@ -33,7 +33,7 @@ class YTBaseViewController: UIViewController {
 
 extension YTBaseViewController{
 
-    func playBtnClick(btn: UIButton) {
+    @objc func playBtnClick(btn: UIButton) {
 
     }