Update podspec

SwiftAlertView.podspec

@@ -13,6 +13,7 @@ Pod::Spec.new do |s|
   s.platform     = :ios
   s.source       = { :git => "https://github.com/dinhquan/SwiftAlertView.git", :tag => "1.3.0" }
   s.source_files  = 'SwiftAlertView', 'SwiftAlertView/**/*.swift'
-  s.ios.deployment_target = "8.0"
+  s.ios.deployment_target = "10.0"
+  s.swift_version = "5.0"
 
 end

SwiftAlertView/SwiftAlertView.swift

@@ -225,10 +225,8 @@ public class SwiftAlertView: UIView {
             dimView!.addGestureRecognizer(recognizer)
         }
 
-        if delegate?.responds(to: #selector(SwiftAlertViewDelegate.willPresentAlertView(_:))) == true {
-            delegate?.willPresentAlertView?(self)
-        }
-
+        delegate?.willPresentAlertView?(self)
+
         view.addSubview(self)
         view.bringSubviewToFront(self)
 
@@ -268,9 +266,7 @@ public class SwiftAlertView: UIView {
                 self.transform = CGAffineTransform.identity
                 self.alpha = 1
             }) { (finished) -> Void in
-                if self.delegate?.responds(to: #selector(SwiftAlertViewDelegate.didPresentAlertView(_:))) == true {
-                    self.delegate?.didPresentAlertView?(self)
-                }
+                self.delegate?.didPresentAlertView?(self)
             }
             break
         }

SwiftAlertViewDemo/SwiftAlertViewDemo.xcodeproj/project.pbxproj

@@ -245,6 +245,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -293,6 +294,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_VERSION = 5.0;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;