Update README.md

add SPM config
Update README.md
2020-04-06 09:57:43 +03:00 · 2019-11-12 16:10:38 +03:00 · 2019-10-12 21:10:26 +03:00 · 2019-04-03 15:52:56 +03:00 · 2019-04-03 15:51:44 +03:00 · 2018-12-29 16:37:09 +03:00
40 changed files with 722 additions and 783 deletions
@@ -0,0 +1 @@
+4.2
@@ -1,6 +1,11 @@
-osx_image: xcode8
+osx_image: xcode9.2
 language: objective-c

 xcode_project: NavigationStackDemo.xcodeproj
 xcode_scheme: NavigationStack
-xcode_sdk: iphonesimulator
+xcode_sdk: iphonesimulator11.2
+
+# whitelist
+branches:
+only:
+- master
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
  s.name         = 'Navigation-stack'
-  s.version      = '1.0.0'
+  s.version      = '3.1.0'
  s.summary      = 'Show list of navigationControllers'
  s.license      = 'MIT'
  s.homepage     = 'https://github.com/Ramotion/navigation-stack'
@@ -8,8 +8,6 @@

 /* Begin PBXBuildFile section */
 		840D54101C8705FA00555605 /* FirstTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 840D540F1C8705FA00555605 /* FirstTableViewController.swift */; };
-		842FF8E11C8707BD0030E758 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8444B0EF1C80238500B53B4E /* AppDelegate.swift */; };
-		842FF8E51C8707DA0030E758 /* FirstTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 840D540F1C8705FA00555605 /* FirstTableViewController.swift */; };
 		84368B3F1CFEDDB1007C4278 /* NavigationStack.h in Headers */ = {isa = PBXBuildFile; fileRef = 84368B3E1CFEDDB1007C4278 /* NavigationStack.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		84368B431CFEDDB1007C4278 /* NavigationStack.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 84368B3C1CFEDDB1007C4278 /* NavigationStack.framework */; };
 		84368B441CFEDDB1007C4278 /* NavigationStack.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 84368B3C1CFEDDB1007C4278 /* NavigationStack.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
@@ -21,20 +19,11 @@
 		8444B0F51C80238500B53B4E /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 8444B0F31C80238500B53B4E /* Main.storyboard */; };
 		8444B0F71C80238500B53B4E /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 8444B0F61C80238500B53B4E /* Assets.xcassets */; };
 		8444B0FA1C80238500B53B4E /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 8444B0F81C80238500B53B4E /* LaunchScreen.storyboard */; };
-		8444B1051C80238500B53B4E /* NavigationStackDemoTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8444B1041C80238500B53B4E /* NavigationStackDemoTests.swift */; };
 		8444B1271C80250A00B53B4E /* CollectionViewStackCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8444B1201C80250A00B53B4E /* CollectionViewStackCell.swift */; };
 		8444B1281C80250A00B53B4E /* CollectionViewStackFlowLayout.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8444B1221C80250A00B53B4E /* CollectionViewStackFlowLayout.swift */; };
 		8444B1291C80250A00B53B4E /* CollectionStackViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8444B1231C80250A00B53B4E /* CollectionStackViewController.swift */; };
 		8444B12B1C80250A00B53B4E /* NavigationStack.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8444B1261C80250A00B53B4E /* NavigationStack.swift */; };
-		84500F201C87044100B0550E /* SecondViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 847B0FB01C846C6100E2C54D /* SecondViewController.swift */; };
-		84500F221C87044500B0550E /* ThirdViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 847B0FAC1C846B9200E2C54D /* ThirdViewController.swift */; };
-		84500F261C87044B00B0550E /* FifthViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 847B0FA81C846B8100E2C54D /* FifthViewController.swift */; };
-		84500F281C87045000B0550E /* CollectionViewStackCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8444B1201C80250A00B53B4E /* CollectionViewStackCell.swift */; };
-		84500F2A1C87045400B0550E /* CollectionViewStackFlowLayout.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8444B1221C80250A00B53B4E /* CollectionViewStackFlowLayout.swift */; };
-		84500F2C1C87045700B0550E /* CollectionStackViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8444B1231C80250A00B53B4E /* CollectionStackViewController.swift */; };
-		84500F2E1C87045B00B0550E /* NavigationStack.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8444B1261C80250A00B53B4E /* NavigationStack.swift */; };
 		846302891C8ABC340015CD81 /* OpenSans-Regular.ttf in Resources */ = {isa = PBXBuildFile; fileRef = 846302881C8ABC340015CD81 /* OpenSans-Regular.ttf */; };
-		8479994C1C870EB50050D164 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 8444B0F31C80238500B53B4E /* Main.storyboard */; };
 		847B0FA91C846B8100E2C54D /* FifthViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 847B0FA81C846B8100E2C54D /* FifthViewController.swift */; };
 		847B0FAD1C846B9200E2C54D /* ThirdViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 847B0FAC1C846B9200E2C54D /* ThirdViewController.swift */; };
 		847B0FB11C846C6100E2C54D /* SecondViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 847B0FB01C846C6100E2C54D /* SecondViewController.swift */; };
@@ -50,13 +39,6 @@
 			remoteGlobalIDString = 84368B3B1CFEDDB1007C4278;
 			remoteInfo = NavigationStack;
 		};
-		8444B1011C80238500B53B4E /* PBXContainerItemProxy */ = {
-			isa = PBXContainerItemProxy;
-			containerPortal = 8444B0E41C80238500B53B4E /* Project object */;
-			proxyType = 1;
-			remoteGlobalIDString = 8444B0EB1C80238500B53B4E;
-			remoteInfo = NavigationStackDemo;
-		};
 /* End PBXContainerItemProxy section */

 /* Begin PBXCopyFilesBuildPhase section */
@@ -78,15 +60,12 @@
 		84368B3C1CFEDDB1007C4278 /* NavigationStack.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = NavigationStack.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		84368B3E1CFEDDB1007C4278 /* NavigationStack.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = NavigationStack.h; sourceTree = "<group>"; };
 		84368B401CFEDDB1007C4278 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
-		8444B0EC1C80238500B53B4E /* NavigationStackDemo.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = NavigationStackDemo.app; sourceTree = BUILT_PRODUCTS_DIR; };
+		8444B0EC1C80238500B53B4E /* Navigation Stack.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "Navigation Stack.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 		8444B0EF1C80238500B53B4E /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		8444B0F41C80238500B53B4E /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
 		8444B0F61C80238500B53B4E /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		8444B0F91C80238500B53B4E /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		8444B0FB1C80238500B53B4E /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
-		8444B1001C80238500B53B4E /* NavigationStackDemoTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = NavigationStackDemoTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
-		8444B1041C80238500B53B4E /* NavigationStackDemoTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NavigationStackDemoTests.swift; sourceTree = "<group>"; };
-		8444B1061C80238500B53B4E /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		8444B1201C80250A00B53B4E /* CollectionViewStackCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CollectionViewStackCell.swift; sourceTree = "<group>"; };
 		8444B1221C80250A00B53B4E /* CollectionViewStackFlowLayout.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CollectionViewStackFlowLayout.swift; sourceTree = "<group>"; };
 		8444B1231C80250A00B53B4E /* CollectionStackViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CollectionStackViewController.swift; sourceTree = "<group>"; };
@@ -115,13 +94,6 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
-		8444B0FD1C80238500B53B4E /* Frameworks */ = {
-			isa = PBXFrameworksBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
 /* End PBXFrameworksBuildPhase section */

 /* Begin PBXGroup section */
@@ -138,7 +110,6 @@
 			isa = PBXGroup;
 			children = (
 				8444B0EE1C80238500B53B4E /* NavigationStackDemo */,
-				8444B1031C80238500B53B4E /* NavigationStackDemoTests */,
 				84368B3D1CFEDDB1007C4278 /* NavigationStack */,
 				8444B0ED1C80238500B53B4E /* Products */,
 			);
@@ -147,8 +118,7 @@
 		8444B0ED1C80238500B53B4E /* Products */ = {
 			isa = PBXGroup;
 			children = (
-				8444B0EC1C80238500B53B4E /* NavigationStackDemo.app */,
-				8444B1001C80238500B53B4E /* NavigationStackDemoTests.xctest */,
+				8444B0EC1C80238500B53B4E /* Navigation Stack.app */,
 				84368B3C1CFEDDB1007C4278 /* NavigationStack.framework */,
 			);
 			name = Products;
@@ -168,15 +138,6 @@
 			path = NavigationStackDemo;
 			sourceTree = "<group>";
 		};
-		8444B1031C80238500B53B4E /* NavigationStackDemoTests */ = {
-			isa = PBXGroup;
-			children = (
-				8444B1041C80238500B53B4E /* NavigationStackDemoTests.swift */,
-				8444B1061C80238500B53B4E /* Info.plist */,
-			);
-			path = NavigationStackDemoTests;
-			sourceTree = "<group>";
-		};
 		8444B11D1C80247500B53B4E /* Source */ = {
 			isa = PBXGroup;
 			children = (
@@ -315,27 +276,9 @@
 			);
 			name = NavigationStackDemo;
 			productName = NavigationStackDemo;
-			productReference = 8444B0EC1C80238500B53B4E /* NavigationStackDemo.app */;
+			productReference = 8444B0EC1C80238500B53B4E /* Navigation Stack.app */;
 			productType = "com.apple.product-type.application";
 		};
-		8444B0FF1C80238500B53B4E /* NavigationStackDemoTests */ = {
-			isa = PBXNativeTarget;
-			buildConfigurationList = 8444B1171C80238500B53B4E /* Build configuration list for PBXNativeTarget "NavigationStackDemoTests" */;
-			buildPhases = (
-				8444B0FC1C80238500B53B4E /* Sources */,
-				8444B0FD1C80238500B53B4E /* Frameworks */,
-				8444B0FE1C80238500B53B4E /* Resources */,
-			);
-			buildRules = (
-			);
-			dependencies = (
-				8444B1021C80238500B53B4E /* PBXTargetDependency */,
-			);
-			name = NavigationStackDemoTests;
-			productName = NavigationStackDemoTests;
-			productReference = 8444B1001C80238500B53B4E /* NavigationStackDemoTests.xctest */;
-			productType = "com.apple.product-type.bundle.unit-test";
-		};
 /* End PBXNativeTarget section */

 /* Begin PBXProject section */
@@ -343,29 +286,24 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0720;
-				LastUpgradeCheck = 0800;
+				LastUpgradeCheck = 1110;
 				ORGANIZATIONNAME = "Alex K.";
 				TargetAttributes = {
 					84368B3B1CFEDDB1007C4278 = {
 						CreatedOnToolsVersion = 7.3.1;
 						DevelopmentTeam = 34MUF9YXTA;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 1020;
 					};
 					8444B0EB1C80238500B53B4E = {
 						CreatedOnToolsVersion = 7.2.1;
 						DevelopmentTeam = 34MUF9YXTA;
-						LastSwiftMigration = 0800;
-					};
-					8444B0FF1C80238500B53B4E = {
-						CreatedOnToolsVersion = 7.2.1;
-						LastSwiftMigration = 0800;
-						TestTargetID = 8444B0EB1C80238500B53B4E;
+						LastSwiftMigration = 1020;
 					};
 				};
 			};
 			buildConfigurationList = 8444B0E71C80238500B53B4E /* Build configuration list for PBXProject "NavigationStackDemo" */;
 			compatibilityVersion = "Xcode 6.3";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
@@ -377,7 +315,6 @@
 			projectRoot = "";
 			targets = (
 				8444B0EB1C80238500B53B4E /* NavigationStackDemo */,
-				8444B0FF1C80238500B53B4E /* NavigationStackDemoTests */,
 				84368B3B1CFEDDB1007C4278 /* NavigationStack */,
 			);
 		};
@@ -404,14 +341,6 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
-		8444B0FE1C80238500B53B4E /* Resources */ = {
-			isa = PBXResourcesBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-				8479994C1C870EB50050D164 /* Main.storyboard in Resources */,
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
 /* End PBXResourcesBuildPhase section */

 /* Begin PBXSourcesBuildPhase section */
@@ -442,23 +371,6 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
-		8444B0FC1C80238500B53B4E /* Sources */ = {
-			isa = PBXSourcesBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-				84500F2E1C87045B00B0550E /* NavigationStack.swift in Sources */,
-				84500F201C87044100B0550E /* SecondViewController.swift in Sources */,
-				84500F221C87044500B0550E /* ThirdViewController.swift in Sources */,
-				8444B1051C80238500B53B4E /* NavigationStackDemoTests.swift in Sources */,
-				84500F2C1C87045700B0550E /* CollectionStackViewController.swift in Sources */,
-				84500F281C87045000B0550E /* CollectionViewStackCell.swift in Sources */,
-				842FF8E51C8707DA0030E758 /* FirstTableViewController.swift in Sources */,
-				84500F2A1C87045400B0550E /* CollectionViewStackFlowLayout.swift in Sources */,
-				842FF8E11C8707BD0030E758 /* AppDelegate.swift in Sources */,
-				84500F261C87044B00B0550E /* FifthViewController.swift in Sources */,
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
 /* End PBXSourcesBuildPhase section */

 /* Begin PBXTargetDependency section */
@@ -467,11 +379,6 @@
 			target = 84368B3B1CFEDDB1007C4278 /* NavigationStack */;
 			targetProxy = 84368B411CFEDDB1007C4278 /* PBXContainerItemProxy */;
 		};
-		8444B1021C80238500B53B4E /* PBXTargetDependency */ = {
-			isa = PBXTargetDependency;
-			target = 8444B0EB1C80238500B53B4E /* NavigationStackDemo */;
-			targetProxy = 8444B1011C80238500B53B4E /* PBXContainerItemProxy */;
-		};
 /* End PBXTargetDependency section */

 /* Begin PBXVariantGroup section */
@@ -498,7 +405,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_ANALYZER_NONNULL = YES;
-				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_IDENTITY = "";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
@@ -512,7 +419,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.NavigationStack;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -523,7 +430,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_ANALYZER_NONNULL = YES;
-				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_IDENTITY = "";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				CURRENT_PROJECT_VERSION = 1;
 				DEFINES_MODULE = YES;
@@ -537,7 +444,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.NavigationStack;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -552,14 +459,22 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -582,7 +497,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.2;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -598,14 +513,22 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -622,7 +545,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -640,8 +563,8 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.NavigationStackDemo;
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				PRODUCT_NAME = "Navigation Stack";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -655,34 +578,8 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.NavigationStackDemo;
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
-			};
-			name = Release;
-		};
-		8444B1181C80238500B53B4E /* Debug */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				BUNDLE_LOADER = "$(TEST_HOST)";
-				INFOPLIST_FILE = NavigationStackDemoTests/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.NavigationStackDemoTests;
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/NavigationStackDemo.app/NavigationStackDemo";
-			};
-			name = Debug;
-		};
-		8444B1191C80238500B53B4E /* Release */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				BUNDLE_LOADER = "$(TEST_HOST)";
-				INFOPLIST_FILE = NavigationStackDemoTests/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				PRODUCT_BUNDLE_IDENTIFIER = com.ramotion.NavigationStackDemoTests;
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
-				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/NavigationStackDemo.app/NavigationStackDemo";
+				PRODUCT_NAME = "Navigation Stack";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -716,15 +613,6 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
-		8444B1171C80238500B53B4E /* Build configuration list for PBXNativeTarget "NavigationStackDemoTests" */ = {
-			isa = XCConfigurationList;
-			buildConfigurations = (
-				8444B1181C80238500B53B4E /* Debug */,
-				8444B1191C80238500B53B4E /* Release */,
-			);
-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
 /* End XCConfigurationList section */
 	};
 	rootObject = 8444B0E41C80238500B53B4E /* Project object */;
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0800"
+   LastUpgradeVersion = "1110"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
@@ -29,8 +29,6 @@
      shouldUseLaunchSchemeArgsEnv = "YES">
      <Testables>
      </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
   </TestAction>
   <LaunchAction
      buildConfiguration = "Debug"
@@ -51,8 +49,6 @@
            ReferencedContainer = "container:NavigationStackDemo.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
   </LaunchAction>
   <ProfileAction
      buildConfiguration = "Release"
@@ -27,43 +27,17 @@ import UIKit
@UIApplicationMain
 class AppDelegate: UIResponder, UIApplicationDelegate {

-  var window: UIWindow?
+    var window: UIWindow?

+    func application(_ : UIApplication, didFinishLaunchingWithOptions _: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
+        
+        UIApplication.shared.statusBarStyle = .lightContent

-  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
-    // Override point for customization after application launch.
-    UIApplication.shared.statusBarStyle = .lightContent
-    
-    UINavigationBar.appearance().titleTextAttributes = [
-      NSForegroundColorAttributeName : UIColor.white,
-      NSFontAttributeName : UIFont(name: "OpenSans-Semibold", size: 16)!
-    ]
-    
-    return true
-  }
-
-  func applicationWillResignActive(_ application: UIApplication) {
-    // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
-    // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
-  }
-
-  func applicationDidEnterBackground(_ application: UIApplication) {
-    // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
-    // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
-  }
-
-  func applicationWillEnterForeground(_ application: UIApplication) {
-    // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
-  }
-
-  func applicationDidBecomeActive(_ application: UIApplication) {
-    // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
-  }
-
-  func applicationWillTerminate(_ application: UIApplication) {
-    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
-  }
-
+        UINavigationBar.appearance().titleTextAttributes = [
+            NSAttributedString.Key.foregroundColor: UIColor.white,
+            NSAttributedString.Key.font: UIFont(name: "OpenSans-Semibold", size: 16)!,
+        ]

+        return true
+    }
 }
-
@@ -1,38 +1,119 @@
 {
  "images" : [
    {
+      "size" : "20x20",
      "idiom" : "iphone",
+      "filename" : "icon-40.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "icon-60.png",
+      "scale" : "3x"
+    },
+    {
      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "icon-58.png",
      "scale" : "2x"
    },
    {
-      "idiom" : "iphone",
      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "icon-87.png",
      "scale" : "3x"
    },
    {
-      "idiom" : "iphone",
      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "icon-80.png",
      "scale" : "2x"
    },
    {
-      "idiom" : "iphone",
      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "icon-120.png",
      "scale" : "3x"
    },
    {
-      "idiom" : "iphone",
      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "icon-120.png",
      "scale" : "2x"
    },
    {
-      "idiom" : "iphone",
      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "icon-180.png",
      "scale" : "3x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "icon-20.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "icon-40.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "icon-29.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "icon-58.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "icon-40.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "icon-80.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "icon-76.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "icon-152.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "icon-167.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "Ramotion.png",
+      "scale" : "1x"
    }
  ],
  "info" : {
    "version" : 1,
    "author" : "xcode"
+  },
+  "properties" : {
+    "pre-rendered" : true
  }
 }
@@ -1,8 +1,13 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9532" systemVersion="15D21" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" initialViewController="01J-lp-oVM">
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13771" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
    <dependencies>
        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9530"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13772"/>
+        <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
    <scenes>
        <!--View Controller-->
@@ -14,14 +19,35 @@
                        <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
                    </layoutGuides>
                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                        <subviews>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright (c) 2018 Ramotion. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="fcf-sN-ku0">
+                                <rect key="frame" x="16" y="630" width="343" height="17"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                <nil key="textColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Navigation Stack" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="bCd-3b-lHA">
+                                <rect key="frame" x="118.5" y="323" width="139" height="21"/>
+                                <fontDescription key="fontDescription" type="boldSystem" pointSize="17"/>
+                                <nil key="textColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="fcf-sN-ku0" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leadingMargin" id="811-hI-Egq"/>
+                            <constraint firstItem="bCd-3b-lHA" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="T4x-O3-JqD"/>
+                            <constraint firstItem="bCd-3b-lHA" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="VFr-tp-sPw"/>
+                            <constraint firstItem="fcf-sN-ku0" firstAttribute="trailing" secondItem="Ze5-6b-2t3" secondAttribute="trailingMargin" id="dS9-pv-ebe"/>
+                            <constraint firstItem="xb3-aO-Qok" firstAttribute="top" secondItem="fcf-sN-ku0" secondAttribute="bottom" constant="20" id="kbD-dX-t3N"/>
+                        </constraints>
                    </view>
                </viewController>
                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
            </objects>
-            <point key="canvasLocation" x="53" y="375"/>
+            <point key="canvasLocation" x="52" y="374.66266866566718"/>
        </scene>
    </scenes>
 </document>
@@ -9,8 +9,8 @@
 import UIKit

 class FifthViewController: UITableViewController {
-  
-  @IBAction func backHandler(_ sender: AnyObject) {
-    let _ = navigationController?.popViewController(animated: true)
-  }
+
+    @IBAction func backHandler(_: AnyObject) {
+        _ = navigationController?.popViewController(animated: true)
+    }
 }
@@ -11,43 +11,42 @@ import UIKit
 // MARK: FirstTableViewController

 class FirstTableViewController: UITableViewController {
-  
-  @IBOutlet var search: UISearchBar!
-  
-  override func viewDidLoad() {
-    super.viewDidLoad()
-    navigationController!.interactivePopGestureRecognizer?.delegate = self
-    
-    navigationItem.titleView = search
-  }

-  override func viewWillAppear(_ animated: Bool) {
-    super.viewWillAppear(animated)
-    
-    if let navigationController = navigationController {
-      navigationController.navigationBar.barTintColor = UIColor(red:0.4, green:0.47, blue:0.62, alpha:1)
+    @IBOutlet var search: UISearchBar!
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        navigationController!.interactivePopGestureRecognizer?.delegate = self
+
+        navigationItem.titleView = search
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+
+        if let navigationController = navigationController {
+            navigationController.navigationBar.barTintColor = UIColor(red: 0.4, green: 0.47, blue: 0.62, alpha: 1)
+        }
+    }
+
+    override func tableView(_: UITableView, didSelectRowAt _: IndexPath) {
+        performSegue(withIdentifier: "push", sender: nil)
    }
-  }
-  
-  override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-    performSegue(withIdentifier: "push", sender: nil)
-  }
-  
 }

 // MARK: UIGestureRecognizerDelegate

 extension FirstTableViewController: UIGestureRecognizerDelegate {
-  func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
-    
-    if navigationController?.viewControllers.count == 2 {
-      return true
+    func gestureRecognizerShouldBegin(_: UIGestureRecognizer) -> Bool {
+
+        if navigationController?.viewControllers.count == 2 {
+            return true
+        }
+
+        if let navigationController = self.navigationController as? NavigationStack {
+            navigationController.showControllers()
+        }
+
+        return false
    }
-    
-    if let navigationController = self.navigationController as? NavigationStack {
-      navigationController.showControllers()
-    }
-    
-    return false
-  }
 }
@@ -9,24 +9,22 @@
 import UIKit

 class SecondViewController: UITableViewController {
-  
-  override func viewWillAppear(_ animated: Bool) {
-    super.viewWillAppear(animated)
-    
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+
 //    if let navigationController = navigationController {
-////      navigationController.navigationBar.barTintColor = UIColor(red:0.61, green:0.86, blue:0.87, alpha:1)
-////      tableView.contentOffset = CGPoint(x: 0, y: -44)
-////      navigationController.navigationBar.translucent = true
+        ////      navigationController.navigationBar.barTintColor = UIColor(red:0.61, green:0.86, blue:0.87, alpha:1)
+        ////      tableView.contentOffset = CGPoint(x: 0, y: -44)
+        ////      navigationController.navigationBar.translucent = true
 //    }
-  }
+    }

+    @IBAction func backHandler(_: AnyObject) {
+        _ = navigationController?.popViewController(animated: true)
+    }

-  @IBAction func backHandler(_ sender: AnyObject) {
-    let _ = navigationController?.popViewController(animated: true)
-  }
-  
-  override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-    performSegue(withIdentifier: "push", sender: nil)
-  }
-
+    override func tableView(_: UITableView, didSelectRowAt _: IndexPath) {
+        performSegue(withIdentifier: "push", sender: nil)
+    }
 }
@@ -9,20 +9,18 @@
 import UIKit

 class ThirdViewController: UITableViewController {
-  
-  @IBInspectable var navbarColor: UIColor = .black
-  
-  override func viewWillAppear(_ animated: Bool) {
-    super.viewWillAppear(animated)
-    
-  }
-  
-  @IBAction func backHandler(_ sender: AnyObject) {
-    let _ = navigationController?.popViewController(animated: true)
-  }
-  
-  override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-    performSegue(withIdentifier: "push", sender: nil)
-  }
-  
+
+    @IBInspectable var navbarColor: UIColor = .black
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+    }
+
+    @IBAction func backHandler(_: AnyObject) {
+        _ = navigationController?.popViewController(animated: true)
+    }
+
+    override func tableView(_: UITableView, didSelectRowAt _: IndexPath) {
+        performSegue(withIdentifier: "push", sender: nil)
+    }
 }
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>CFBundleDevelopmentRegion</key>
-	<string>en</string>
-	<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-	<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
-	<key>CFBundleName</key>
-	<string>$(PRODUCT_NAME)</string>
-	<key>CFBundlePackageType</key>
-	<string>BNDL</string>
-	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
-	<key>CFBundleVersion</key>
-	<string>1</string>
-</dict>
-</plist>
@@ -1,36 +0,0 @@
-//
-//  NavigationStackDemoTests.swift
-//  NavigationStackDemoTests
-//
-//  Created by Alex K. on 26/02/16.
-//  Copyright © 2016 Alex K. All rights reserved.
-//
-
-import XCTest
-@testable import NavigationStackDemo
-
-class NavigationStackDemoTests: XCTestCase {
-    
-    override func setUp() {
-        super.setUp()
-        // Put setup code here. This method is called before the invocation of each test method in the class.
-    }
-    
-    override func tearDown() {
-        // Put teardown code here. This method is called after the invocation of each test method in the class.
-        super.tearDown()
-    }
-    
-    func testExample() {
-        // This is an example of a functional test case.
-        // Use XCTAssert and related functions to verify your tests produce the correct results.
-    }
-    
-    func testPerformanceExample() {
-        // This is an example of a performance test case.
-        self.measure {
-            // Put the code you want to measure the time of here.
-        }
-    }
-    
-}
@@ -0,0 +1,43 @@
+// swift-tools-version:5.1
+//
+//  Package.swift
+//
+//  Copyright (c) Ramotion (https://www.ramotion.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 PackageDescription
+
+
+let package = Package(
+    name: "NavigationStack",
+    platforms: [
+        .iOS(.v8)
+    ],
+    products: [
+        .library(name: "NavigationStack",
+            targets: ["NavigationStack"]),
+    ],
+    targets: [
+        .target(name: "NavigationStack",
+            path: "Source")
+    ],
+    swiftLanguageVersions: [.v5]
+)
@@ -1,6 +1,27 @@
-[![header](./header.png)](https://ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=navigation-stack-logo)
-![Animation](./Navigation-Stack.gif)
-# navigation-stack
+<a href="https://www.ramotion.com/agency/app-development/?utm_source=gthb&utm_medium=repo&utm_campaign=navigation-stack"><img src="https://github.com/Ramotion/folding-cell/blob/master/header.png"></a>
+
+<a href="https://github.com/Ramotion/navigation-stack">
+<img align="left" src="https://github.com/Ramotion/navigation-stack/blob/master/navigation-stack.gif" width="480" height="360" /></a>
+
+<p><h1 align="left">NAVIGATION STACK</h1></p>
+
+<h4>Navigation Stack is a library with stack-modeled UI navigation controller.</h4>
+
+
+___
+
+
+
+<p><h6>We specialize in the designing and coding of custom UI for Mobile Apps and Websites.</h6>
+<a href="https://www.ramotion.com/agency/app-development/?utm_source=gthb&utm_medium=repo&utm_campaign=navigation-stack">
+<img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a>
+</p>
+<p><h6>Stay tuned for the latest updates:</h6>
+<a href="https://goo.gl/rPFpid" >
+<img src="https://i.imgur.com/ziSqeSo.png/" width="156" height="28"></a></p>
+
+</br>
+
 [![Twitter](https://img.shields.io/badge/Twitter-@Ramotion-blue.svg?style=flat)](http://twitter.com/Ramotion)
 [![CocoaPods](https://img.shields.io/cocoapods/p/Navigation-stack.svg)](https://cocoapods.org/pods/Navigation-stack)
 [![CocoaPods](https://img.shields.io/cocoapods/v/Navigation-stack.svg)](http://cocoapods.org/pods/Navigation-stack)
@@ -8,28 +29,12 @@
 [![Travis](https://img.shields.io/travis/Ramotion/navigation-stack.svg)](https://travis-ci.org/Ramotion/navigation-stack)
 [![codebeat badge](https://codebeat.co/badges/c322a039-b06b-46d9-bf40-e48cf0365b97)](https://codebeat.co/projects/github-com-ramotion-navigation-stack)
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Ramotion/navigation-stack)
-
-## About
-This project is maintained by Ramotion, Inc.<br>
-We specialize in the designing and coding of custom UI for Mobile Apps and Websites.<br>
-
-**Looking for developers for your project?**<br>
-This project is maintained by Ramotion, Inc. We specialize in the designing and coding of custom UI for Mobile Apps and Websites.
-
-<a href="https://ramotion.com/?utm_source=gthb&utm_medium=special&utm_campaign=navigation-stack-contact-us/#Get_in_Touch"> 
-<img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a>
-
-The [iPhone mockup](https://store.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=paper-onboarding) available [here](https://store.ramotion.com?utm_source=gthb&utm_medium=special&utm_campaign=paper-onboarding).
-
-## Try this UI control in action
-
-
-<a href="https://itunes.apple.com/app/apple-store/id1182360240?pt=550053&ct=gthb-navigation-stack&mt=8" > <img src="https://github.com/Ramotion/navigation-stack/raw/master/Download_on_the_App_Store_Badge_US-UK_135x40.png" width="170" height="58"></a>
+[![Donate](https://img.shields.io/badge/Donate-PayPal-blue.svg)](https://paypal.me/Ramotion)

 ## Requirements

 - iOS 9.0+
- Xcode 8
+- Xcode 9

 ## Installation

@@ -37,8 +42,7 @@ Just add the Source folder to your project.

 or use [CocoaPods](https://cocoapods.org) with Podfile:
 ``` ruby
-pod 'Navigation-stack' "~> 0.0.8" swift 2
-pod 'Navigation-stack' "~> 1.0.0" swift 3
+pod 'Navigation-stack'
 ```

 or [Carthage](https://github.com/Carthage/Carthage) users can simply add to their `Cartfile`:
@@ -76,21 +80,22 @@ extension YourViewController: UIGestureRecognizerDelegate {
 }
 ```

-## License
+## 📄 License

-Navigation-stack is released under the MIT license.
+Navigation Stack is released under the MIT license.
 See [LICENSE](./LICENSE) for details.

-# Get the Showroom App for iOS to give it a try
+This library is a part of a <a href="https://github.com/Ramotion/swift-ui-animation-components-and-libraries"><b>selection of our best UI open-source projects.</b></a>
+
+If you use the open-source library in your project, please make sure to credit and backlink to www.ramotion.com
+
+## 📱 Get the Showroom App for iOS to give it a try
 Try this UI component and more like this in our iOS app. Contact us if interested.

-<a href="https://itunes.apple.com/app/apple-store/id1182360240?pt=550053&ct=navigation-stack&mt=8" > 
+<a href="https://itunes.apple.com/app/apple-store/id1182360240?pt=550053&ct=navigation-stack&mt=8" >
 <img src="https://github.com/ramotion/gliding-collection/raw/master/app_store@2x.png" width="117" height="34"></a>
-<a href="https://ramotion.com/?utm_source=gthb&utm_medium=special&utm_campaign=navigation-stack-contact-us/#Get_in_Touch"> 
+
+<a href="https://www.ramotion.com/agency/app-development/?utm_source=gthb&utm_medium=repo&utm_campaign=navigation-stack">
 <img src="https://github.com/ramotion/gliding-collection/raw/master/contact_our_team@2x.png" width="187" height="34"></a>
 <br>
 <br>
-
-Follow us for the latest updates<br>
-[![Twitter URL](https://img.shields.io/twitter/url/http/shields.io.svg?style=social)](https://twitter.com/intent/tweet?text=https://github.com/ramotion/navigation-stack)
-[![Twitter Follow](https://img.shields.io/twitter/follow/ramotion.svg?style=social)](https://twitter.com/ramotion)
@@ -22,83 +22,80 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.

-
 import UIKit

 // MARK: CollectionViewStackCell

 class CollectionViewStackCell: UICollectionViewCell {
-  
-  internal var imageView: UIImageView?
-  
-  override init(frame: CGRect) {
-    super.init(frame: frame)
-    imageView = createImageView()
-    createShadow()
-  }

-  required init?(coder aDecoder: NSCoder) {
-      fatalError("init(coder:) has not been implemented")
-  }
-  
-  internal override func prepareForReuse() {
-    imageView?.image = nil
-  }
+    internal var imageView: UIImageView?
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        imageView = createImageView()
+        createShadow()
+    }
+
+    required init?(coder _: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    internal override func prepareForReuse() {
+        imageView?.image = nil
+    }
 }

 // MARK: configure

 extension CollectionViewStackCell {

-  fileprivate func createImageView() -> UIImageView {
+    fileprivate func createImageView() -> UIImageView {

-    let imageView = UIImageView(frame: CGRect.zero)
-    imageView.translatesAutoresizingMaskIntoConstraints = false
-    imageView.layer.shouldRasterize = true
-    contentView.addSubview(imageView)
-    
-    contentView.addConstraints([
-      createConstraint(imageView, toItem: contentView, attribute: .top),
-      createConstraint(imageView, toItem: contentView, attribute: .bottom),
-      createConstraint(imageView, toItem: contentView, attribute: .left),
-      createConstraint(imageView, toItem: contentView, attribute: .right),
-    ])
-    
-    return imageView
-  }
-  
-  fileprivate func createConstraint(_ item: UIImageView, toItem: UIView, attribute: NSLayoutAttribute) -> NSLayoutConstraint {
-   return NSLayoutConstraint(item: item,
-                        attribute: attribute,
-                        relatedBy: .equal,
-                           toItem: toItem,
-                        attribute: attribute,
-                       multiplier: 1,
-                         constant: 0)
-  }
-  
-  fileprivate func createShadow() {
-    layer.masksToBounds = false;
-    layer.shadowOpacity = 0.30;
-    layer.shadowRadius = 10.0;
-    layer.shadowOffset = CGSize.zero;
-    layer.shadowPath = UIBezierPath(rect: bounds).cgPath
-    layer.shouldRasterize = true;
-    layer.rasterizationScale = max(UIScreen.main.scale, 2.0)
-  }
-  
-  fileprivate func addBlurOnImage(_ image: UIImageView) {
-    
-    let blurEffect = UIBlurEffect(style: .dark)
-    let blurView = UIVisualEffectView(effect: blurEffect)
-    blurView.translatesAutoresizingMaskIntoConstraints = false
-    imageView!.insertSubview(blurView, at: 3)
+        let imageView = UIImageView(frame: CGRect.zero)
+        imageView.translatesAutoresizingMaskIntoConstraints = false
+        imageView.layer.shouldRasterize = true
+        contentView.addSubview(imageView)

-    let vibrancyEffect = UIVibrancyEffect(blurEffect: blurEffect)
-    let vibrancyView = UIVisualEffectView(effect: vibrancyEffect)
-    vibrancyView.translatesAutoresizingMaskIntoConstraints = false
-    blurView.contentView.addSubview(vibrancyView)
-    
-  }
+        contentView.addConstraints([
+            createConstraint(imageView, toItem: contentView, attribute: .top),
+            createConstraint(imageView, toItem: contentView, attribute: .bottom),
+            createConstraint(imageView, toItem: contentView, attribute: .left),
+            createConstraint(imageView, toItem: contentView, attribute: .right),
+        ])

+        return imageView
+    }
+
+    fileprivate func createConstraint(_ item: UIImageView, toItem: UIView, attribute: NSLayoutConstraint.Attribute) -> NSLayoutConstraint {
+        return NSLayoutConstraint(item: item,
+                                  attribute: attribute,
+                                  relatedBy: .equal,
+                                  toItem: toItem,
+                                  attribute: attribute,
+                                  multiplier: 1,
+                                  constant: 0)
+    }
+
+    fileprivate func createShadow() {
+        layer.masksToBounds = false
+        layer.shadowOpacity = 0.30
+        layer.shadowRadius = 10.0
+        layer.shadowOffset = CGSize.zero
+        layer.shadowPath = UIBezierPath(rect: bounds).cgPath
+        layer.shouldRasterize = true
+        layer.rasterizationScale = max(UIScreen.main.scale, 2.0)
+    }
+
+    fileprivate func addBlurOnImage(_: UIImageView) {
+
+        let blurEffect = UIBlurEffect(style: .dark)
+        let blurView = UIVisualEffectView(effect: blurEffect)
+        blurView.translatesAutoresizingMaskIntoConstraints = false
+        imageView!.insertSubview(blurView, at: 3)
+
+        let vibrancyEffect = UIVibrancyEffect(blurEffect: blurEffect)
+        let vibrancyView = UIVisualEffectView(effect: vibrancyEffect)
+        vibrancyView.translatesAutoresizingMaskIntoConstraints = false
+        blurView.contentView.addSubview(vibrancyView)
+    }
 }
@@ -22,174 +22,169 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.

-
 import UIKit
-fileprivate func < <T : Comparable>(lhs: T?, rhs: T?) -> Bool {
-  switch (lhs, rhs) {
-  case let (l?, r?):
-    return l < r
-  case (nil, _?):
-    return true
-  default:
-    return false
-  }
+fileprivate func < <T: Comparable>(lhs: T?, rhs: T?) -> Bool {
+    switch (lhs, rhs) {
+    case let (l?, r?):
+        return l < r
+    case (nil, _?):
+        return true
+    default:
+        return false
+    }
 }

-
 // MARK: CollectionStackViewController

 protocol CollectionStackViewControllerDelegate: class {
-  func controllerDidSelected(index: Int)
+    func controllerDidSelected(index: Int)
 }

-
 class CollectionStackViewController: UICollectionViewController {
-  fileprivate var screens: [UIImage]
-  fileprivate let overlay: Float
-  
-  weak var delegate: CollectionStackViewControllerDelegate?
-  
-  init(images: [UIImage],
-    delegate: CollectionStackViewControllerDelegate?,
-    overlay: Float,
-    scaleRatio: Float,
-    scaleValue: Float,
-    bgColor: UIColor = UIColor.clear,
-    bgView: UIView? = nil,
-    decelerationRate:CGFloat) {
-      
-      self.screens  = images
-      self.delegate = delegate
-      self.overlay  = overlay
-        
-      let layout = CollectionViewStackFlowLayout(itemsCount: images.count, overlay: overlay, scaleRatio: scaleRatio, scale:scaleValue)
-      super.init(collectionViewLayout: layout)
-      
-      if let collectionView = self.collectionView {
-        collectionView.backgroundColor  = bgColor
-        collectionView.backgroundView   = bgView
-        collectionView.decelerationRate = decelerationRate
-      }
-  }
+    fileprivate var screens: [UIImage]
+    fileprivate let overlay: Float

-  required init?(coder aDecoder: NSCoder) {
-      fatalError("init(coder:) has not been implemented")
-  }
-  
-  override func viewDidLoad() {
-    configureCollectionView()
-    scrolltoIndex(screens.count - 1, animated: false, position: .left) // move to end
-  }
-  
-  override func viewDidAppear(_ animated: Bool) {
-    
-    guard let collectionViewLayout = self.collectionViewLayout as? CollectionViewStackFlowLayout else {
-      fatalError("wrong collection layout")
+    weak var delegate: CollectionStackViewControllerDelegate?
+
+    init(images: [UIImage],
+         delegate: CollectionStackViewControllerDelegate?,
+         overlay: Float,
+         scaleRatio: Float,
+         scaleValue: Float,
+         bgColor: UIColor = UIColor.clear,
+         bgView: UIView? = nil,
+         decelerationRate: CGFloat) {
+
+        screens = images
+        self.delegate = delegate
+        self.overlay = overlay
+
+        let layout = CollectionViewStackFlowLayout(itemsCount: images.count, overlay: overlay, scaleRatio: scaleRatio, scale: scaleValue)
+        super.init(collectionViewLayout: layout)
+
+        if let collectionView = self.collectionView {
+            collectionView.backgroundColor = bgColor
+            collectionView.backgroundView = bgView
+            collectionView.decelerationRate = UIScrollView.DecelerationRate(rawValue: decelerationRate)
+        }
+    }
+
+    required init?(coder _: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func viewDidLoad() {
+        configureCollectionView()
+        scrolltoIndex(screens.count - 1, animated: false, position: .left) // move to end
+    }
+
+    override func viewDidAppear(_: Bool) {
+
+        guard let collectionViewLayout = self.collectionViewLayout as? CollectionViewStackFlowLayout else {
+            fatalError("wrong collection layout")
+        }
+
+        collectionViewLayout.openAnimating = true
+        scrolltoIndex(0, animated: true, position: .left) // open animation
    }
-    
-    collectionViewLayout.openAnimating = true
-    scrolltoIndex(0, animated: true, position: .left) // open animation
-  }
 }

 // MARK: configure

 extension CollectionStackViewController {
-  
-  fileprivate func configureCollectionView() {
-    guard let collectionViewLayout = self.collectionViewLayout as? UICollectionViewFlowLayout else {
-      fatalError("wrong collection layout")
-    }
-    
-    collectionViewLayout.scrollDirection = .horizontal
-    collectionView?.showsHorizontalScrollIndicator = false
-    collectionView?.register(CollectionViewStackCell.self, forCellWithReuseIdentifier: String(describing: CollectionViewStackCell.self))
-  }

+    fileprivate func configureCollectionView() {
+        guard let collectionViewLayout = self.collectionViewLayout as? UICollectionViewFlowLayout else {
+            fatalError("wrong collection layout")
+        }
+
+        collectionViewLayout.scrollDirection = .horizontal
+        collectionView?.showsHorizontalScrollIndicator = false
+        collectionView?.register(CollectionViewStackCell.self, forCellWithReuseIdentifier: String(describing: CollectionViewStackCell.self))
+    }
 }

 // MARK: CollectionViewDataSource

 extension CollectionStackViewController {
-  
-  override func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
-    return screens.count
-  }
-  
-  override func collectionView(_ collectionView: UICollectionView,
-                         willDisplay cell: UICollectionViewCell,
-                  forItemAt indexPath: IndexPath) {
-    
-    if let cell = cell as? CollectionViewStackCell {
-      cell.imageView?.image = screens[(indexPath as NSIndexPath).row]
-    }
-  }
-  
-  override func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
-    let cell = collectionView.dequeueReusableCell(withReuseIdentifier: String(describing: CollectionViewStackCell.self),
-                              for: indexPath)
-    return cell
-  }
-  
-  override func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
-    guard let currentCell = collectionView.cellForItem(at: indexPath) else {
-      return
+
+    override func collectionView(_: UICollectionView, numberOfItemsInSection _: Int) -> Int {
+        return screens.count
    }

-    // move cells
-    UIView.animate(withDuration: 0.3, delay: 0, options:.curveEaseIn,
-    animations: { () -> Void in
-      for  cell in self.collectionView!.visibleCells where cell != currentCell {
-        let row = (self.collectionView?.indexPath(for: cell) as NSIndexPath?)?.row
-        let xPosition = row < (indexPath as NSIndexPath).row ? cell.center.x - self.view.bounds.size.width * 2
-                                            : cell.center.x + self.view.bounds.size.width * 2
-        
-        cell.center = CGPoint(x: xPosition, y: cell.center.y)
-      }
-      }, completion: nil)
-    
-    // move to center current cell
-    UIView.animate(withDuration: 0.2, delay: 0.2, options:.curveEaseOut,
-      animations: { () -> Void in
-        let offset = collectionView.contentOffset.x - (self.view.bounds.size.width - collectionView.bounds.size.width * CGFloat(self.overlay)) * CGFloat((indexPath as NSIndexPath).row)
-        currentCell.center = CGPoint(x: (currentCell.center.x + offset), y: currentCell.center.y)
-      }, completion: nil)
-  
-    // scale current cell
-    UIView.animate(withDuration: 0.2, delay: 0.6, options:.curveEaseOut, animations: { () -> Void in
-      let scale = CGAffineTransform(scaleX: 1, y: 1)
-      currentCell.transform = scale
-      currentCell.alpha = 1
-      
-    }) { (success) -> Void in
-      DispatchQueue.main.async(execute: { () -> Void in
-        self.delegate?.controllerDidSelected(index: (indexPath as NSIndexPath).row)
-        self.dismiss(animated: false, completion: nil)
-      })
+    override func collectionView(_: UICollectionView,
+                                 willDisplay cell: UICollectionViewCell,
+                                 forItemAt indexPath: IndexPath) {
+
+        if let cell = cell as? CollectionViewStackCell {
+            cell.imageView?.image = screens[(indexPath as NSIndexPath).row]
+        }
+    }
+
+    override func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
+        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: String(describing: CollectionViewStackCell.self),
+                                                      for: indexPath)
+        return cell
+    }
+
+    override func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
+        guard let currentCell = collectionView.cellForItem(at: indexPath) else {
+            return
+        }
+
+        // move cells
+        UIView.animate(withDuration: 0.3, delay: 0, options: .curveEaseIn,
+                       animations: { () -> Void in
+                           for cell in self.collectionView!.visibleCells where cell != currentCell {
+                               let row = (self.collectionView?.indexPath(for: cell) as NSIndexPath?)?.row
+                               let xPosition = row < (indexPath as NSIndexPath).row ? cell.center.x - self.view.bounds.size.width * 2
+                                   : cell.center.x + self.view.bounds.size.width * 2
+
+                               cell.center = CGPoint(x: xPosition, y: cell.center.y)
+                           }
+        }, completion: nil)
+
+        // move to center current cell
+        UIView.animate(withDuration: 0.2, delay: 0.2, options: .curveEaseOut,
+                       animations: { () -> Void in
+                           let offset = collectionView.contentOffset.x - (self.view.bounds.size.width - collectionView.bounds.size.width * CGFloat(self.overlay)) * CGFloat((indexPath as NSIndexPath).row)
+                           currentCell.center = CGPoint(x: (currentCell.center.x + offset), y: currentCell.center.y)
+        }, completion: nil)
+
+        // scale current cell
+        UIView.animate(withDuration: 0.2, delay: 0.6, options: .curveEaseOut, animations: { () -> Void in
+            let scale = CGAffineTransform(scaleX: 1, y: 1)
+            currentCell.transform = scale
+            currentCell.alpha = 1
+
+        }) { (_) -> Void in
+            DispatchQueue.main.async(execute: { () -> Void in
+                self.delegate?.controllerDidSelected(index: (indexPath as NSIndexPath).row)
+                self.dismiss(animated: false, completion: nil)
+            })
+        }
    }
-  }
 }

 // MARK: UICollectionViewDelegateFlowLayout

 extension CollectionStackViewController: UICollectionViewDelegateFlowLayout {
-  
-  func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
-    return view.bounds.size
-  }
-  
-  func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: NSInteger) -> CGFloat {
-    return -collectionView.bounds.size.width * CGFloat(overlay)
-  }
-}

+    func collectionView(_: UICollectionView, layout _: UICollectionViewLayout, sizeForItemAt _: IndexPath) -> CGSize {
+        return view.bounds.size
+    }
+
+    func collectionView(_ collectionView: UICollectionView, layout _: UICollectionViewLayout, minimumLineSpacingForSectionAt _: NSInteger) -> CGFloat {
+        return -collectionView.bounds.size.width * CGFloat(overlay)
+    }
+}

 // MARK: Additional helpers

 extension CollectionStackViewController {
-  
-  fileprivate func scrolltoIndex(_ index: Int, animated: Bool , position: UICollectionViewScrollPosition) {
-    let indexPath = IndexPath(item: index, section: 0)
-    collectionView?.scrollToItem(at: indexPath, at: position, animated: animated)
-  }
+
+    fileprivate func scrolltoIndex(_ index: Int, animated: Bool, position: UICollectionView.ScrollPosition) {
+        let indexPath = IndexPath(item: index, section: 0)
+        collectionView?.scrollToItem(at: indexPath, at: position, animated: animated)
+    }
 }
@@ -22,125 +22,121 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.

-
 import UIKit

 // MARK: CollectionViewStackFlowLayout

 class CollectionViewStackFlowLayout: UICollectionViewFlowLayout {
-  
-  let itemsCount: Int
-  let overlay: Float // from 0 to 1
-  
-  let maxScale: Float
-  let scaleRatio: Float
-  
-  var additionScale = 1.0
-  var openAnimating = false
-  
-  var dxOffset: Float = 0
-  
-  init(itemsCount: Int, overlay: Float, scaleRatio: Float, scale: Float) {
-    self.itemsCount = itemsCount
-    self.overlay    = overlay
-    self.scaleRatio = scaleRatio
-    self.maxScale = scale
-    super.init()
-  }

-  required init?(coder aDecoder: NSCoder) {
-      fatalError("init(coder:) has not been implemented")
-  }
+    let itemsCount: Int
+    let overlay: Float // from 0 to 1

+    let maxScale: Float
+    let scaleRatio: Float
+
+    var additionScale = 1.0
+    var openAnimating = false
+
+    var dxOffset: Float = 0
+
+    init(itemsCount: Int, overlay: Float, scaleRatio: Float, scale: Float) {
+        self.itemsCount = itemsCount
+        self.overlay = overlay
+        self.scaleRatio = scaleRatio
+        maxScale = scale
+        super.init()
+    }
+
+    required init?(coder _: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
 }

 extension CollectionViewStackFlowLayout {
-  
-  override func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
-    let items = NSArray (array: super.layoutAttributesForElements(in: rect)!, copyItems: true)
-    var headerAttributes: UICollectionViewLayoutAttributes?
-    
-    items.enumerateObjects({ (object, idex, stop) -> Void in
-      let attributes = object as! UICollectionViewLayoutAttributes
-      
-      if attributes.representedElementKind == UICollectionElementKindSectionHeader {
-        headerAttributes = attributes
-      }
-      else {
-        self.updateCellAttributes(attributes, headerAttributes: headerAttributes)
-      }
-    })
-    return items as? [UICollectionViewLayoutAttributes]
-  }
-  
-  func updateCellAttributes(_ attributes: UICollectionViewLayoutAttributes, headerAttributes: UICollectionViewLayoutAttributes?) {
-    
-    guard let collectionView = self.collectionView else {
-      return;
-    }
-    let itemWidth = collectionView.bounds.size.width - collectionView.bounds.size.width * CGFloat(overlay)
-    let allWidth = itemWidth * CGFloat(itemsCount - 1)
-    
-    // set contentOffset range
-    let contentOffsetX = min(max(0, collectionView.contentOffset.x), allWidth)
-    
-    let scale = transformScale(attributes, allWidth: allWidth, offset: contentOffsetX)
-    let move  = transformMove(attributes, itemWidth: itemWidth, offset: contentOffsetX)
-    attributes.transform = scale.concatenating(move)
-    attributes.alpha = calculateAlpha(attributes, itemWidth: itemWidth, offset: contentOffsetX)

-    if additionScale > 0 && openAnimating {
-      additionScale -= 0.02
-      additionScale = additionScale < 0 ? 0 : additionScale
+    override func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
+        let items = NSArray(array: super.layoutAttributesForElements(in: rect)!, copyItems: true)
+        var headerAttributes: UICollectionViewLayoutAttributes?
+
+        items.enumerateObjects({ (object, _, _) -> Void in
+            let attributes = object as! UICollectionViewLayoutAttributes
+
+            if attributes.representedElementKind == UICollectionView.elementKindSectionHeader {
+                headerAttributes = attributes
+            } else {
+                self.updateCellAttributes(attributes, headerAttributes: headerAttributes)
+            }
+        })
+        return items as? [UICollectionViewLayoutAttributes]
+    }
+
+    func updateCellAttributes(_ attributes: UICollectionViewLayoutAttributes, headerAttributes _: UICollectionViewLayoutAttributes?) {
+
+        guard let collectionView = self.collectionView else {
+            return
+        }
+        let itemWidth = collectionView.bounds.size.width - collectionView.bounds.size.width * CGFloat(overlay)
+        let allWidth = itemWidth * CGFloat(itemsCount - 1)
+
+        // set contentOffset range
+        let contentOffsetX = min(max(0, collectionView.contentOffset.x), allWidth)
+
+        let scale = transformScale(attributes, allWidth: allWidth, offset: contentOffsetX)
+        let move = transformMove(attributes, itemWidth: itemWidth, offset: contentOffsetX)
+        attributes.transform = scale.concatenating(move)
+        attributes.alpha = calculateAlpha(attributes, itemWidth: itemWidth, offset: contentOffsetX)
+
+        if additionScale > 0 && openAnimating {
+            additionScale -= 0.02
+            additionScale = additionScale < 0 ? 0 : additionScale
+        }
+        attributes.zIndex = (attributes.indexPath as NSIndexPath).row
+    }
+
+    override func shouldInvalidateLayout(forBoundsChange _: CGRect) -> Bool {
+        return true
    }
-    attributes.zIndex    = (attributes.indexPath as NSIndexPath).row
-  }
-  
-  override func shouldInvalidateLayout(forBoundsChange newBounds: CGRect) -> Bool {
-    return true
-  }
 }

 // MARK: helpers

 extension CollectionViewStackFlowLayout {

-  fileprivate func transformScale(_ attributes: UICollectionViewLayoutAttributes,
-    allWidth: CGFloat,
-    offset: CGFloat) -> CGAffineTransform {
-      var maximum = CGFloat(maxScale) - CGFloat(itemsCount - (attributes.indexPath as NSIndexPath).row) / CGFloat(scaleRatio)
-      maximum += CGFloat(1.0 - maximum) * CGFloat(additionScale)
-      
-      var minimum = CGFloat(maxScale - 0.1) - CGFloat(itemsCount - (attributes.indexPath as NSIndexPath).row) / CGFloat(scaleRatio)
-      minimum += CGFloat(1.0 - minimum) * CGFloat(additionScale)
-      
-      var currentScale = (maximum + minimum) - (minimum + offset / (allWidth / (maximum - minimum)))
-      currentScale = max(min(maximum, currentScale), minimum)
-      return CGAffineTransform(scaleX: currentScale, y: currentScale)
-  }
-  
-  fileprivate func transformMove(_ attributes: UICollectionViewLayoutAttributes,
-    itemWidth: CGFloat,
-    offset: CGFloat) -> CGAffineTransform {
-      var currentContentOffsetX = offset - itemWidth * CGFloat((attributes.indexPath as NSIndexPath).row)
-      currentContentOffsetX = min(max(currentContentOffsetX, 0),itemWidth)
-      
-      var dx = (currentContentOffsetX / itemWidth)
-      if let collectionView = self.collectionView {
-        dx *= collectionView.bounds.size.width / 8.0
-      }
-      dx = currentContentOffsetX - dx
+    fileprivate func transformScale(_ attributes: UICollectionViewLayoutAttributes,
+                                    allWidth: CGFloat,
+                                    offset: CGFloat) -> CGAffineTransform {
+        var maximum = CGFloat(maxScale) - CGFloat(itemsCount - (attributes.indexPath as NSIndexPath).row) / CGFloat(scaleRatio)
+        maximum += CGFloat(1.0 - maximum) * CGFloat(additionScale)

-      return CGAffineTransform(translationX: dx, y: 0)
-  }
-  
-  fileprivate func calculateAlpha(_ attributes: UICollectionViewLayoutAttributes, itemWidth: CGFloat, offset: CGFloat) -> CGFloat {
-    var currentContentOffsetX = offset - itemWidth * CGFloat((attributes.indexPath as NSIndexPath).row)
-    currentContentOffsetX = min(max(currentContentOffsetX, 0),itemWidth)
-    
-    let dx = (currentContentOffsetX / itemWidth)
-    
-    return 1.0 - dx
-  }
+        var minimum = CGFloat(maxScale - 0.1) - CGFloat(itemsCount - (attributes.indexPath as NSIndexPath).row) / CGFloat(scaleRatio)
+        minimum += CGFloat(1.0 - minimum) * CGFloat(additionScale)

+        var currentScale = (maximum + minimum) - (minimum + offset / (allWidth / (maximum - minimum)))
+        currentScale = max(min(maximum, currentScale), minimum)
+        return CGAffineTransform(scaleX: currentScale, y: currentScale)
+    }
+
+    fileprivate func transformMove(_ attributes: UICollectionViewLayoutAttributes,
+                                   itemWidth: CGFloat,
+                                   offset: CGFloat) -> CGAffineTransform {
+        var currentContentOffsetX = offset - itemWidth * CGFloat((attributes.indexPath as NSIndexPath).row)
+        currentContentOffsetX = min(max(currentContentOffsetX, 0), itemWidth)
+
+        var dx = (currentContentOffsetX / itemWidth)
+        if let collectionView = self.collectionView {
+            dx *= collectionView.bounds.size.width / 8.0
+        }
+        dx = currentContentOffsetX - dx
+
+        return CGAffineTransform(translationX: dx, y: 0)
+    }
+
+    fileprivate func calculateAlpha(_ attributes: UICollectionViewLayoutAttributes, itemWidth: CGFloat, offset: CGFloat) -> CGFloat {
+        var currentContentOffsetX = offset - itemWidth * CGFloat((attributes.indexPath as NSIndexPath).row)
+        currentContentOffsetX = min(max(currentContentOffsetX, 0), itemWidth)
+
+        let dx = (currentContentOffsetX / itemWidth)
+
+        return 1.0 - dx
+    }
 }
@@ -22,153 +22,150 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.

-
 import UIKit

 /// UINavigationcontroller with animation show lists of UIViewControllers
 open class NavigationStack: UINavigationController {
-  
-  var overlay: Float = 0.8
-  var scaleRatio: Float = 14.0
-  var scaleValue: Float = 0.99
-  
-  /// A floating-point value that determines the rate of deceleration after the user lifts their finger.
-  @IBInspectable open var decelerationRate: CGFloat = UIScrollViewDecelerationRateNormal
-  
-  /// The color to use for the background of the lists of UIViewcontrollers.
-  @IBInspectable open var bgColor: UIColor = .black
-  
-  /// The background UIView of the lists of UIViewcontrollers.
-  open var bgView: UIView? = nil
-  fileprivate var screens = [UIImage]()
-  
-  /// The delegate of the navigation controller object. Use this instead delegate.
-  weak open var stackDelegate: UINavigationControllerDelegate?
-  
-  /**
-   The initialized navigation controller object or nil if there was a problem initializing the object.
-   
-   - parameter aDecoder: aDecoder
-   
-   - returns: The initialized navigation controller object or nil if there was a problem initializing the object.
-   */
-  public required init?(coder aDecoder: NSCoder) {
-    super.init(coder: aDecoder)
-    
-    delegate = self
-  }
-  
-  /**
-   Initializes and returns a newly created navigation controller.
-   
-   - parameter rootViewController: The view controller that resides at the bottom of the navigation stack.
-   
-   - returns: The initialized navigation controller object or nil if there was a problem initializing the object.
-   */
-  public override init(rootViewController: UIViewController) {
-    super.init(rootViewController: rootViewController)
-    
-    delegate = self
-  }
-    
-  /**
-   Necessary to prevent a crash
-   */
-  public override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
-    super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
-  }
+
+    var overlay: Float = 0.8
+    var scaleRatio: Float = 14.0
+    var scaleValue: Float = 0.99
+
+    /// A floating-point value that determines the rate of deceleration after the user lifts their finger.
+    @IBInspectable open var decelerationRate: CGFloat = UIScrollView.DecelerationRate.normal.rawValue
+
+    /// The color to use for the background of the lists of UIViewcontrollers.
+    @IBInspectable open var bgColor: UIColor = .black
+
+    /// The background UIView of the lists of UIViewcontrollers.
+    open var bgView: UIView?
+    fileprivate var screens = [UIImage]()
+
+    /// The delegate of the navigation controller object. Use this instead delegate.
+    open weak var stackDelegate: UINavigationControllerDelegate?
+
+    /**
+     The initialized navigation controller object or nil if there was a problem initializing the object.
+
+     - parameter aDecoder: aDecoder
+
+     - returns: The initialized navigation controller object or nil if there was a problem initializing the object.
+     */
+    public required init?(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+
+        delegate = self
+    }
+
+    /**
+     Initializes and returns a newly created navigation controller.
+
+     - parameter rootViewController: The view controller that resides at the bottom of the navigation stack.
+
+     - returns: The initialized navigation controller object or nil if there was a problem initializing the object.
+     */
+    public override init(rootViewController: UIViewController) {
+        super.init(rootViewController: rootViewController)
+
+        delegate = self
+    }
+
+    /**
+     Necessary to prevent a crash
+     */
+    public override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
+        super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
+    }
 }

 // MARK: pulbic methods

 extension NavigationStack {
-  
-  /**
-   Show list of ViewControllers.
-   */
-  public func showControllers() {
-    if screens.count == 0 {
-      return
-    }
-    
-    var allScreens = screens
-    allScreens.append(view.takeScreenshot())
-    let collectioView = CollectionStackViewController(images: allScreens,
-      delegate: self,
-      overlay: overlay,
-      scaleRatio: scaleRatio,
-      scaleValue: scaleValue,
-      bgColor: bgColor,
-      bgView: bgView,
-      decelerationRate: decelerationRate)
-        
-    present(collectioView, animated: false, completion: nil)
-  }
-}

+    /**
+     Show list of ViewControllers.
+     */
+    public func showControllers() {
+        if screens.count == 0 {
+            return
+        }
+
+        var allScreens = screens
+        allScreens.append(view.takeScreenshot())
+        let collectioView = CollectionStackViewController(images: allScreens,
+                                                          delegate: self,
+                                                          overlay: overlay,
+                                                          scaleRatio: scaleRatio,
+                                                          scaleValue: scaleValue,
+                                                          bgColor: bgColor,
+                                                          bgView: bgView,
+                                                          decelerationRate: decelerationRate)
+
+        present(collectioView, animated: false, completion: nil)
+    }
+}

 // MARK: UINavigationControllerDelegate

 extension NavigationStack: UINavigationControllerDelegate {
-  
-  public func navigationController(_ navigationController: UINavigationController,
-    willShow viewController: UIViewController,
-    animated: Bool) {
-      
-      stackDelegate?.navigationController?(navigationController, willShow: viewController, animated: animated)
-  
-      if navigationController.viewControllers.count > screens.count + 1 {
-        screens.append(view.takeScreenshot())
-      } else
-      if navigationController.viewControllers.count == screens.count && screens.count > 0 {
-        screens.removeLast()
-      }
-  }
-  
-  public func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
-    stackDelegate?.navigationController?(navigationController, didShow: viewController, animated: animated)
-  }

-//  ???
-//  public func navigationControllerSupportedInterfaceOrientations(navigationController: UINavigationController) -> UIInterfaceOrientationMask {
+    public func navigationController(_ navigationController: UINavigationController,
+                                     willShow viewController: UIViewController,
+                                     animated: Bool) {
+
+        stackDelegate?.navigationController?(navigationController, willShow: viewController, animated: animated)
+
+        if navigationController.viewControllers.count > screens.count + 1 {
+            screens.append(view.takeScreenshot())
+        } else
+        if navigationController.viewControllers.count == screens.count && screens.count > 0 {
+            screens.removeLast()
+        }
+    }
+
+    public func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
+        stackDelegate?.navigationController?(navigationController, didShow: viewController, animated: animated)
+    }
+
+    //  ???
+    //  public func navigationControllerSupportedInterfaceOrientations(navigationController: UINavigationController) -> UIInterfaceOrientationMask {
 //    return stackDelegate?.navigationControllerSupportedInterfaceOrientations?(navigationController)
-//  }
-  
-//  ???
-//  optional public func navigationControllerPreferredInterfaceOrientationForPresentation(navigationController: UINavigationController) -> UIInterfaceOrientation
-//  
+    //  }

-  public func navigationController(_ navigationController: UINavigationController, interactionControllerFor animationController: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning? {
-    return stackDelegate?.navigationController?(navigationController, interactionControllerFor: animationController)
-  }
+    //  ???
+    //  optional public func navigationControllerPreferredInterfaceOrientationForPresentation(navigationController: UINavigationController) -> UIInterfaceOrientation
+    //

-  public func navigationController(_ navigationController: UINavigationController, animationControllerFor operation: UINavigationControllerOperation, from fromVC: UIViewController, to toVC: UIViewController) -> UIViewControllerAnimatedTransitioning? {
-    return stackDelegate?.navigationController?(navigationController, animationControllerFor: operation, from: fromVC, to: toVC)
-  }
-  
+    public func navigationController(_ navigationController: UINavigationController, interactionControllerFor animationController: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning? {
+        return stackDelegate?.navigationController?(navigationController, interactionControllerFor: animationController)
+    }
+
+    public func navigationController(_ navigationController: UINavigationController, animationControllerFor operation: UINavigationController.Operation, from fromVC: UIViewController, to toVC: UIViewController) -> UIViewControllerAnimatedTransitioning? {
+        return stackDelegate?.navigationController?(navigationController, animationControllerFor: operation, from: fromVC, to: toVC)
+    }
 }

 extension NavigationStack: CollectionStackViewControllerDelegate {
-  func controllerDidSelected(index: Int) {
-    
-    let newViewControllers = Array(viewControllers[0...index])
-    setViewControllers(newViewControllers, animated: false)
-    screens.removeSubrange(index..<screens.count)
-  }
+    func controllerDidSelected(index: Int) {
+
+        let newViewControllers = Array(viewControllers[0 ... index])
+        setViewControllers(newViewControllers, animated: false)
+        screens.removeSubrange(index ..< screens.count)
+    }
 }

 // MARK: UIView

 extension UIView {
-  
-  func takeScreenshot() -> UIImage {
-    
-    UIGraphicsBeginImageContextWithOptions(self.bounds.size, false, UIScreen.main.scale)
-    layer.render(in: UIGraphicsGetCurrentContext()!)
-    
-    let image = UIGraphicsGetImageFromCurrentImageContext()
-    UIGraphicsEndImageContext()
-    
-    return image!
-  }
+
+    func takeScreenshot() -> UIImage {
+
+        UIGraphicsBeginImageContextWithOptions(bounds.size, false, UIScreen.main.scale)
+        layer.render(in: UIGraphicsGetCurrentContext()!)
+
+        let image = UIGraphicsGetImageFromCurrentImageContext()
+        UIGraphicsEndImageContext()
+
+        return image!
+    }
 }
@@ -46,7 +46,7 @@
 <p><a href="http://twitter.com/Ramotion"><img src="https://img.shields.io/badge/Twitter-@Ramotion-blue.svg?style=flat" alt="Twitter"></a>
 <a href="https://cocoapods.org/pods/Navigation-stack"><img src="https://img.shields.io/cocoapods/p/Navigation-stack.svg" alt="CocoaPods"></a>
 <a href="http://cocoapods.org/pods/Navigation-stack"><img src="https://img.shields.io/cocoapods/v/Navigation-stack.svg" alt="CocoaPods"></a>
-<a href="https://cdn.rawgit.com/Ramotion/navigation-stack/master/docs/index.html"><img src="https://img.shields.io/cocoapods/metrics/doc-percent/Navigation-stack.svg" alt="CocoaPods"></a>
+<a href="https://cdn.combinatronics.com/Ramotion/navigation-stack/master/docs/index.html"><img src="https://img.shields.io/cocoapods/metrics/doc-percent/Navigation-stack.svg" alt="CocoaPods"></a>
 <a href="https://travis-ci.org/Ramotion/navigation-stack"><img src="https://img.shields.io/travis/Ramotion/navigation-stack.svg" alt="Travis"></a>
 <a href="https://codebeat.co/projects/github-com-ramotion-navigation-stack"><img src="https://codebeat.co/badges/c322a039-b06b-46d9-bf40-e48cf0365b97" alt="codebeat badge"></a>
 <a href="https://github.com/Ramotion/navigation-stack"><img src="https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat" alt="Carthage compatible"></a></p>
Author	SHA1	Message	Date
Ramotion	9efb3a2eb7	Update README.md	2020-04-06 09:57:43 +03:00
igor.k	be7f93ce8c	add SPM config	2019-11-12 16:10:38 +03:00
Ramotion	d073bafd0b	Update README.md	2019-10-12 21:10:26 +03:00
Alex K	2c04699846	bump version	2019-04-03 15:52:56 +03:00
Alex K	3ddfc086dd	converted to swift 5 version	2019-04-03 15:51:44 +03:00
Ramotion	bc2f906d26	Update README.md	2018-12-29 16:37:09 +03:00
Ramotion	6a15deb685	Update README.md	2018-12-29 16:36:46 +03:00
Alex	aa0c777a81	Merge pull request #22 from c0mbinatr0nics/master Replaced rawgit.com urls with combinatronics.com urls.	2018-12-17 14:11:54 +03:00
c0mbinatr0nics	2882c6ed69	Replaced rawgit.com (eol) with combinatronics.com (drop in replacement).	2018-12-15 00:24:26 +01:00
Ramotion	3006780a84	Update README.md	2018-12-10 12:12:47 +03:00
Alex K	49c09f0586	Fixes #21	2018-09-27 09:05:11 +03:00
Alex K	342189b6e0	convert to swift 4.2	2018-09-17 10:20:21 +03:00
Ramotion	5eb66f6fb5	Update README.md	2018-06-29 14:24:19 +03:00
Ramotion	995c5a5513	Update README.md	2018-06-26 11:15:59 +03:00
Ramotion	6904cf96a5	Update README.md	2018-05-29 12:06:55 +03:00
Ramotion	5dc7510804	Update README.md	2018-04-28 12:29:47 +03:00
Ramotion	b42aa63728	Add files via upload	2018-04-28 02:28:18 -07:00
Ramotion	bf1ee34892	Delete Navigation-Stack.gif	2018-04-28 12:27:36 +03:00
Ramotion	4bab50f2ec	Update README.md	2018-04-23 09:32:31 +03:00
Ramotion	cdbfa29c11	Update README.md	2018-03-13 10:20:32 +03:00
Alex Mikhnev	563097f845	Update README.md	2018-02-21 14:50:47 +03:00
i.kolpachkov	30defb3edd	bump pod version	2018-01-19 02:03:45 +03:00
i.kolpachkov	1fabddd191	update travis config, setup swift version	2018-01-19 01:26:14 +03:00
i.kolpachkov	8d33009aec	add demo icon, configure launch storyboard, code cleanup	2018-01-18 20:32:07 +03:00
i.kolpachkov	af7ef6e828	update swift format	2018-01-17 11:34:25 +03:00
i.kolpachkov	f13ab0900b	remove test target	2018-01-15 18:31:19 +03:00
Alex K	2555a951e5	update podspec	2017-11-27 15:35:48 +03:00
Alex K	e0042171f0	update podspec and readme	2017-11-27 15:07:23 +03:00
Alex K	0947738ce4	increase deployment target	2017-11-27 15:05:39 +03:00
Alex K	f964fda5bc	swift 4	2017-11-27 15:03:28 +03:00
Juri Vasylenko	a2d2731afa	Add files via upload	2017-11-11 18:16:22 +03:00
Alex K	73d13dd401	update readme	2017-10-16 10:17:21 +03:00
Alex K	2f55ecb93f	update podspec file	2017-10-16 10:16:03 +03:00