Add Swift Package Manager support

ColorPicker.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		4A17F36E23B7E58700619791 /* Package.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4A17F36D23B7E58700619791 /* Package.swift */; };
 		9668C54C217AE63C0021FC09 /* ColorSpaceConverter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9668C54B217AE63C0021FC09 /* ColorSpaceConverter.swift */; };
 		9668C54E217B0DCD0021FC09 /* ColorPickerViewDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9668C54D217B0DCD0021FC09 /* ColorPickerViewDelegate.swift */; };
 		9668C550217B29BF0021FC09 /* UIColorExtension.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9668C54F217B29BF0021FC09 /* UIColorExtension.swift */; };
@@ -29,6 +30,7 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
+		4A17F36D23B7E58700619791 /* Package.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Package.swift; sourceTree = SOURCE_ROOT; };
 		9668C54B217AE63C0021FC09 /* ColorSpaceConverter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ColorSpaceConverter.swift; sourceTree = "<group>"; };
 		9668C54D217B0DCD0021FC09 /* ColorPickerViewDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ColorPickerViewDelegate.swift; sourceTree = "<group>"; };
 		9668C54F217B29BF0021FC09 /* UIColorExtension.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UIColorExtension.swift; sourceTree = "<group>"; };
@@ -65,6 +67,7 @@
 		966E577A217A0A2B009CBABF = {
 			isa = PBXGroup;
 			children = (
+				4A17F36D23B7E58700619791 /* Package.swift */,
 				966E5786217A0A2B009CBABF /* ColorPicker */,
 				966E5791217A0A2C009CBABF /* ColorPickerTests */,
 				966E5785217A0A2B009CBABF /* Products */,
@@ -216,6 +219,7 @@
 				966E57C8217A1437009CBABF /* ColorPickerView.swift in Sources */,
 				966E57C1217A12EC009CBABF /* RGB.swift in Sources */,
 				9668C54E217B0DCD0021FC09 /* ColorPickerViewDelegate.swift in Sources */,
+				4A17F36E23B7E58700619791 /* Package.swift in Sources */,
 				966E57C3217A12F3009CBABF /* HSB.swift in Sources */,
 				9668C54C217AE63C0021FC09 /* ColorSpaceConverter.swift in Sources */,
 				9668C550217B29BF0021FC09 /* UIColorExtension.swift in Sources */,

ColorPicker/ColorPickerView.swift

@@ -6,7 +6,7 @@
 //  Copyright © 2018年 culumn. All rights reserved.
 //
 
-import Foundation
+import UIKit
 
 public class ColorPickerView: UIView {
 

ColorPicker/ColorPickerViewDelegate.swift

@@ -6,8 +6,6 @@
 //  Copyright © 2018年 culumn. All rights reserved.
 //
 
-import Foundation
-
 public protocol ColorPickerViewDelegate: class {
     func colorPickerWillBeginDragging(_ colorPicker: ColorPickerView)
     func colorPickerDidSelectColor(_ colorPicker: ColorPickerView)

ColorPicker/HSB.swift

@@ -6,7 +6,7 @@
 //  Copyright © 2018年 culumn. All rights reserved.
 //
 
-import Foundation
+import UIKit
 
 public struct HSB {
     public var hue: CGFloat

ColorPicker/RGB.swift

@@ -6,7 +6,7 @@
 //  Copyright © 2018年 culumn. All rights reserved.
 //
 
-import Foundation
+import UIKit
 
 public struct RGB {
     public var red: CGFloat

ColorPicker/UIColorExtension.swift

@@ -6,7 +6,7 @@
 //  Copyright © 2018年 culumn. All rights reserved.
 //
 
-import Foundation
+import UIKit
 
 public extension UIColor {
 

ColorPickerTests/Info.plist → ColorPickerTests/info.plist

@@ -19,4 +19,4 @@
 	<key>CFBundleVersion</key>
 	<string>1</string>
 </dict>
-</plist>
+</plist>

Package.swift

@@ -0,0 +1,22 @@
+// swift-tools-version:5.1
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "ColorPicker",
+    platforms: [
+        .iOS(.v9)
+    ],
+    products: [
+        .library(
+            name: "ColorPicker",
+            targets: ["ColorPicker"]),
+    ],
+    targets: [
+        .target(
+            name: "ColorPicker",
+            path: "ColorPicker/")
+    ]
+)
+

README.md

@@ -30,6 +30,13 @@ class ViewController: UIViewController, ColorPickerViewDelegate {
 To run the example project, open the `Example/Example.xcworkspace`.
 
 ## Installation
+
+### Swift Package Manager
+In Xcode 11+, Go to File > Swift Packages > Add Package Dependencies… and paste the following Git URL into the text box: 
+```
+https://github.com/culumn/ColorPicker
+```
+
 ### [CocoaPods](https://cocoapods.org)
 ColorPicker is available through [CocoaPods](https://cocoapods.org). To install it, simply add the following line to your `Podfile`: