compatible swift4.2

Author: phpmaple

Example/GrowingTextView.xcodeproj/project.pbxproj

@@ -469,6 +469,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -516,6 +517,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_VERSION = 4.2;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -537,7 +539,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -558,7 +560,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};

Example/Pods/Pods.xcodeproj/project.pbxproj

@@ -57,16 +57,16 @@ open class GrowingTextView: UITextView {
     private func commonInit() {
         contentMode = .redraw
         associateConstraints()
-        NotificationCenter.default.addObserver(self, selector: #selector(textDidChange), name: .UITextViewTextDidChange, object: self)
-        NotificationCenter.default.addObserver(self, selector: #selector(textDidEndEditing), name: .UITextViewTextDidEndEditing, object: self)
+        NotificationCenter.default.addObserver(self, selector: #selector(textDidChange), name: UITextView.textDidChangeNotification, object: self)
+        NotificationCenter.default.addObserver(self, selector: #selector(textDidEndEditing), name: UITextView.textDidEndEditingNotification, object: self)
     }
 
     deinit {
         NotificationCenter.default.removeObserver(self)
     }
 
     open override var intrinsicContentSize: CGSize {
-        return CGSize(width: UIViewNoIntrinsicMetric, height: 30)
+        return CGSize(width: UIView.noIntrinsicMetric, height: 30)
     }
 
     private func associateConstraints() {
@@ -153,7 +153,7 @@ open class GrowingTextView: UITextView {
                 // Otherwise user placeholder and inherit `text` attributes
                 let paragraphStyle = NSMutableParagraphStyle()
                 paragraphStyle.alignment = textAlignment
-                var attributes: [NSAttributedStringKey: Any] = [
+                var attributes: [NSAttributedString.Key: Any] = [
                     .foregroundColor: placeholderColor,
                     .paragraphStyle: paragraphStyle
                 ]