Add button category

Kingfisher.xcodeproj/project.pbxproj

@@ -9,6 +9,7 @@
 /* Begin PBXBuildFile section */
 		0D9C68098E20AB4F19D7C313 /* libPods-KingfisherTests.a in Frameworks */ = {isa = PBXBuildFile; fileRef = A9E621E297FEFAD35D39C34E /* libPods-KingfisherTests.a */; };
 		4B82DDFC1AD7701900074995 /* ImageCacheTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4B82DDFB1AD7701900074995 /* ImageCacheTests.swift */; };
+		4B945B211ADBB20200D1545E /* UIButton+Kingfisher.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4B945B201ADBB20200D1545E /* UIButton+Kingfisher.swift */; };
 		4BAFBA3D1AD671E400FB0300 /* CollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4BAFBA3C1AD671E400FB0300 /* CollectionViewCell.swift */; };
 		4BBA04C21AD795C500A5CF82 /* ImageDownloaderTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4BBA04C11AD795C500A5CF82 /* ImageDownloaderTests.swift */; };
 		4BBA04C41AD7986100A5CF82 /* KingfisherTestHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4BBA04C31AD7986100A5CF82 /* KingfisherTestHelper.swift */; };
@@ -70,6 +71,7 @@
 
 /* Begin PBXFileReference section */
 		4B82DDFB1AD7701900074995 /* ImageCacheTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ImageCacheTests.swift; sourceTree = "<group>"; };
+		4B945B201ADBB20200D1545E /* UIButton+Kingfisher.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIButton+Kingfisher.swift"; sourceTree = "<group>"; };
 		4BAFBA3C1AD671E400FB0300 /* CollectionViewCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CollectionViewCell.swift; sourceTree = "<group>"; };
 		4BBA04BD1AD77F7E00A5CF82 /* KingfisherTests-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "KingfisherTests-Bridging-Header.h"; sourceTree = "<group>"; };
 		4BBA04C11AD795C500A5CF82 /* ImageDownloaderTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ImageDownloaderTests.swift; sourceTree = "<group>"; };
@@ -185,6 +187,7 @@
 				D1ED2D391AD2D09F00CFC3EB /* Kingfisher.h */,
 				D1ED2D551AD2D0F900CFC3EB /* String+MD5.swift */,
 				D1ED2D561AD2D0F900CFC3EB /* UIImageView+Kingfisher.swift */,
+				4B945B201ADBB20200D1545E /* UIButton+Kingfisher.swift */,
 				D151E72A1AD3C48D004FD4AE /* UIImage+Decode.swift */,
 				D1ED2D571AD2D0F900CFC3EB /* ImageCache.swift */,
 				D1ED2D581AD2D0F900CFC3EB /* ImageDownloader.swift */,
@@ -422,6 +425,7 @@
 				D1ED2D5F1AD2D0F900CFC3EB /* KingfisherManager.swift in Sources */,
 				D1ED2D5B1AD2D0F900CFC3EB /* String+MD5.swift in Sources */,
 				D1ED2D5C1AD2D0F900CFC3EB /* UIImageView+Kingfisher.swift in Sources */,
+				4B945B211ADBB20200D1545E /* UIButton+Kingfisher.swift in Sources */,
 				D1ED2D5D1AD2D0F900CFC3EB /* ImageCache.swift in Sources */,
 				D1ED2D5E1AD2D0F900CFC3EB /* ImageDownloader.swift in Sources */,
 				D1ED2D601AD2D0F900CFC3EB /* KingfisherOptions.swift in Sources */,

Kingfisher/UIButton+Kingfisher.swift

@@ -0,0 +1,31 @@
+//
+//  UIButton+Kingfisher.swift
+//  Kingfisher
+//
+//  Created by Wei Wang on 15/4/13.
+//
+//  Copyright (c) 2015 Wei Wang <onevcat@gmail.com>
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+
+import Foundation
+
+extension UIButton {
+    
+}