More customization options, bug fixes, and future compatibility.

.travis.yml

@@ -1,6 +1,6 @@
 language: objective-c
-osx_image: xcode10.1
+osx_image: xcode12
 script:
-  - xcodebuild test -project CollapsibleTableSectionViewController.xcodeproj -scheme CollapsibleTableSectionViewController -destination 'platform=iOS Simulator,name=iPhone 7'
+  - xcodebuild test -project CollapsibleTableSectionViewController.xcodeproj -scheme CollapsibleTableSectionViewController -destination 'platform=iOS Simulator,name=iPhone X,OS=12.1' build test
 after_success:
-  - bash <(curl -s https://codecov.io/bash)
+  - bash <(curl -s https://codecov.io/bash)

CollapsibleTableSectionViewController.xcodeproj/project.pbxproj

@@ -12,6 +12,7 @@
 		0A8BD67D1F231B2C003D6155 /* CollapsibleTableSectionViewController.h in Headers */ = {isa = PBXBuildFile; fileRef = 0A8BD66F1F231B2C003D6155 /* CollapsibleTableSectionViewController.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		0A8BD68A1F231DF2003D6155 /* CollapsibleTableSectionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0A8BD6861F231DF2003D6155 /* CollapsibleTableSectionViewController.swift */; };
 		0A8BD68C1F231DF2003D6155 /* CollapsibleTableViewHeader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0A8BD6881F231DF2003D6155 /* CollapsibleTableViewHeader.swift */; };
+		45748F0225BEE9D100674BB2 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 45748F0125BEE9D100674BB2 /* Assets.xcassets */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -22,6 +23,13 @@
 			remoteGlobalIDString = 0A8BD66B1F231B2C003D6155;
 			remoteInfo = CollapsibleTableSectionViewController;
 		};
+		45748ECC25BEB80C00674BB2 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 45748EC825BEB80C00674BB2 /* Examples.xcodeproj */;
+			proxyType = 2;
+			remoteGlobalIDString = 0AC886DB1F226627007E4E2F;
+			remoteInfo = Examples;
+		};
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
@@ -33,6 +41,8 @@
 		0A8BD67C1F231B2C003D6155 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		0A8BD6861F231DF2003D6155 /* CollapsibleTableSectionViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CollapsibleTableSectionViewController.swift; sourceTree = "<group>"; };
 		0A8BD6881F231DF2003D6155 /* CollapsibleTableViewHeader.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CollapsibleTableViewHeader.swift; sourceTree = "<group>"; };
+		45748EC825BEB80C00674BB2 /* Examples.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = Examples.xcodeproj; path = Examples/Examples.xcodeproj; sourceTree = "<group>"; };
+		45748F0125BEE9D100674BB2 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -60,6 +70,7 @@
 				0A8BD66E1F231B2C003D6155 /* CollapsibleTableSectionViewController */,
 				0A8BD6791F231B2C003D6155 /* CollapsibleTableSectionViewControllerTests */,
 				0A8BD66D1F231B2C003D6155 /* Products */,
+				45748EC825BEB80C00674BB2 /* Examples.xcodeproj */,
 			);
 			sourceTree = "<group>";
 		};
@@ -75,9 +86,10 @@
 		0A8BD66E1F231B2C003D6155 /* CollapsibleTableSectionViewController */ = {
 			isa = PBXGroup;
 			children = (
+				0A8BD66F1F231B2C003D6155 /* CollapsibleTableSectionViewController.h */,
 				0A8BD6861F231DF2003D6155 /* CollapsibleTableSectionViewController.swift */,
 				0A8BD6881F231DF2003D6155 /* CollapsibleTableViewHeader.swift */,
-				0A8BD66F1F231B2C003D6155 /* CollapsibleTableSectionViewController.h */,
+				45748F0125BEE9D100674BB2 /* Assets.xcassets */,
 				0A8BD6701F231B2C003D6155 /* Info.plist */,
 			);
 			path = CollapsibleTableSectionViewController;
@@ -92,6 +104,14 @@
 			path = CollapsibleTableSectionViewControllerTests;
 			sourceTree = "<group>";
 		};
+		45748EC925BEB80C00674BB2 /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				45748ECD25BEB80C00674BB2 /* Examples.app */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXHeadersBuildPhase section */
@@ -148,32 +168,42 @@
 		0A8BD6631F231B2C003D6155 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
+				KnownAssetTags = (
+					1,
+				);
 				LastSwiftUpdateCheck = 0830;
-				LastUpgradeCheck = 1010;
+				LastUpgradeCheck = 1230;
 				ORGANIZATIONNAME = jeantimex;
 				TargetAttributes = {
 					0A8BD66B1F231B2C003D6155 = {
 						CreatedOnToolsVersion = 8.3.3;
-						LastSwiftMigration = 1010;
+						LastSwiftMigration = 1230;
 						ProvisioningStyle = Automatic;
 					};
 					0A8BD6741F231B2C003D6155 = {
 						CreatedOnToolsVersion = 8.3.3;
-						LastSwiftMigration = 1010;
+						DevelopmentTeam = 589RNFRDJ2;
+						LastSwiftMigration = 1230;
 						ProvisioningStyle = Automatic;
 					};
 				};
 			};
 			buildConfigurationList = 0A8BD6661F231B2C003D6155 /* Build configuration list for PBXProject "CollapsibleTableSectionViewController" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
 			);
 			mainGroup = 0A8BD6621F231B2C003D6155;
 			productRefGroup = 0A8BD66D1F231B2C003D6155 /* Products */;
 			projectDirPath = "";
+			projectReferences = (
+				{
+					ProductGroup = 45748EC925BEB80C00674BB2 /* Products */;
+					ProjectRef = 45748EC825BEB80C00674BB2 /* Examples.xcodeproj */;
+				},
+			);
 			projectRoot = "";
 			targets = (
 				0A8BD66B1F231B2C003D6155 /* CollapsibleTableSectionViewController */,
@@ -182,11 +212,22 @@
 		};
 /* End PBXProject section */
 
+/* Begin PBXReferenceProxy section */
+		45748ECD25BEB80C00674BB2 /* Examples.app */ = {
+			isa = PBXReferenceProxy;
+			fileType = wrapper.application;
+			path = Examples.app;
+			remoteRef = 45748ECC25BEB80C00674BB2 /* PBXContainerItemProxy */;
+			sourceTree = BUILT_PRODUCTS_DIR;
+		};
+/* End PBXReferenceProxy section */
+
 /* Begin PBXResourcesBuildPhase section */
 		0A8BD66A1F231B2C003D6155 /* Resources */ = {
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				45748F0225BEE9D100674BB2 /* Assets.xcassets in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -232,6 +273,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
@@ -253,6 +295,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -262,6 +305,7 @@
 				COPY_PHASE_STRIP = NO;
 				CURRENT_PROJECT_VERSION = 1;
 				DEBUG_INFORMATION_FORMAT = dwarf;
+				EMBED_ASSET_PACKS_IN_PRODUCT_BUNDLE = YES;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
@@ -281,6 +325,7 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
+				RESOURCES_TARGETED_DEVICE_FAMILY = "";
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -294,6 +339,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
@@ -315,6 +361,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -324,6 +371,7 @@
 				COPY_PHASE_STRIP = NO;
 				CURRENT_PROJECT_VERSION = 1;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				EMBED_ASSET_PACKS_IN_PRODUCT_BUNDLE = YES;
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
@@ -336,6 +384,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
+				RESOURCES_TARGETED_DEVICE_FAMILY = "";
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -351,9 +400,11 @@
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_IDENTITY = "";
 				DEFINES_MODULE = YES;
+				DEVELOPMENT_ASSET_PATHS = CollapsibleTableSectionViewController/Assets.xcassets;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				ENABLE_ON_DEMAND_RESOURCES = NO;
 				INFOPLIST_FILE = CollapsibleTableSectionViewController/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
@@ -362,8 +413,8 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 4.2;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -373,44 +424,48 @@
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_IDENTITY = "";
 				DEFINES_MODULE = YES;
+				DEVELOPMENT_ASSET_PATHS = CollapsibleTableSectionViewController/Assets.xcassets;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				ENABLE_ON_DEMAND_RESOURCES = NO;
 				INFOPLIST_FILE = CollapsibleTableSectionViewController/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = jeantimex.com.CollapsibleTableSectionViewController;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 4.2;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
 		0A8BD6841F231B2C003D6155 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				DEVELOPMENT_TEAM = 589RNFRDJ2;
 				INFOPLIST_FILE = CollapsibleTableSectionViewControllerTests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = jeantimex.com.CollapsibleTableSectionViewControllerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 4.2;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
 		0A8BD6851F231B2C003D6155 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				DEVELOPMENT_TEAM = 589RNFRDJ2;
 				INFOPLIST_FILE = CollapsibleTableSectionViewControllerTests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = jeantimex.com.CollapsibleTableSectionViewControllerTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 4.2;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};

CollapsibleTableSectionViewController.xcodeproj/xcshareddata/xcschemes/CollapsibleTableSectionViewController.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1010"
+   LastUpgradeVersion = "1230"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,8 +26,17 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "0A8BD66B1F231B2C003D6155"
+            BuildableName = "CollapsibleTableSectionViewController.framework"
+            BlueprintName = "CollapsibleTableSectionViewController"
+            ReferencedContainer = "container:CollapsibleTableSectionViewController.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -40,17 +49,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "0A8BD66B1F231B2C003D6155"
-            BuildableName = "CollapsibleTableSectionViewController.framework"
-            BlueprintName = "CollapsibleTableSectionViewController"
-            ReferencedContainer = "container:CollapsibleTableSectionViewController.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -71,8 +69,6 @@
             ReferencedContainer = "container:CollapsibleTableSectionViewController.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

CollapsibleTableSectionViewController/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

CollapsibleTableSectionViewController/Assets.xcassets/arrow.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "iconfinder_arrow_right2_1814086.svg",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}