Begin working on settings app UI/content

AllenWrench.xcodeproj/project.pbxproj

@@ -6,6 +6,10 @@
 	objectVersion = 77;
 	objects = {
 
+/* Begin PBXBuildFile section */
+		6E189DCB2D2E460600303762 /* awkbd.appex in Embed Foundation Extensions */ = {isa = PBXBuildFile; fileRef = 6E189DC42D2E460600303762 /* awkbd.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
+/* End PBXBuildFile section */
+
 /* Begin PBXContainerItemProxy section */
 		6E189DA42D2E44ED00303762 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
@@ -21,14 +25,46 @@
 			remoteGlobalIDString = 6E189D922D2E44EB00303762;
 			remoteInfo = AllenWrench;
 		};
+		6E189DC92D2E460600303762 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 6E189D8B2D2E44EB00303762 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 6E189DC32D2E460600303762;
+			remoteInfo = awkbd;
+		};
 /* End PBXContainerItemProxy section */
 
+/* Begin PBXCopyFilesBuildPhase section */
+		6E189DD02D2E460600303762 /* Embed Foundation Extensions */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 13;
+			files = (
+				6E189DCB2D2E460600303762 /* awkbd.appex in Embed Foundation Extensions */,
+			);
+			name = "Embed Foundation Extensions";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
 /* Begin PBXFileReference section */
 		6E189D932D2E44EB00303762 /* AllenWrench.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = AllenWrench.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		6E189DA32D2E44ED00303762 /* AllenWrenchTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = AllenWrenchTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		6E189DAD2D2E44ED00303762 /* AllenWrenchUITests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = AllenWrenchUITests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		6E189DC42D2E460600303762 /* awkbd.appex */ = {isa = PBXFileReference; explicitFileType = "wrapper.app-extension"; includeInIndex = 0; path = awkbd.appex; sourceTree = BUILT_PRODUCTS_DIR; };
 /* End PBXFileReference section */
 
+/* Begin PBXFileSystemSynchronizedBuildFileExceptionSet section */
+		6E189DCC2D2E460600303762 /* Exceptions for "awkbd" folder in "awkbd" target */ = {
+			isa = PBXFileSystemSynchronizedBuildFileExceptionSet;
+			membershipExceptions = (
+				Info.plist,
+			);
+			target = 6E189DC32D2E460600303762 /* awkbd */;
+		};
+/* End PBXFileSystemSynchronizedBuildFileExceptionSet section */
+
 /* Begin PBXFileSystemSynchronizedRootGroup section */
 		6E189D952D2E44EB00303762 /* AllenWrench */ = {
 			isa = PBXFileSystemSynchronizedRootGroup;
@@ -45,6 +81,14 @@
 			path = AllenWrenchUITests;
 			sourceTree = "<group>";
 		};
+		6E189DC52D2E460600303762 /* awkbd */ = {
+			isa = PBXFileSystemSynchronizedRootGroup;
+			exceptions = (
+				6E189DCC2D2E460600303762 /* Exceptions for "awkbd" folder in "awkbd" target */,
+			);
+			path = awkbd;
+			sourceTree = "<group>";
+		};
 /* End PBXFileSystemSynchronizedRootGroup section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -69,6 +113,13 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		6E189DC12D2E460600303762 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
@@ -78,6 +129,7 @@
 				6E189D952D2E44EB00303762 /* AllenWrench */,
 				6E189DA62D2E44ED00303762 /* AllenWrenchTests */,
 				6E189DB02D2E44ED00303762 /* AllenWrenchUITests */,
+				6E189DC52D2E460600303762 /* awkbd */,
 				6E189D942D2E44EB00303762 /* Products */,
 			);
 			sourceTree = "<group>";
@@ -88,6 +140,7 @@
 				6E189D932D2E44EB00303762 /* AllenWrench.app */,
 				6E189DA32D2E44ED00303762 /* AllenWrenchTests.xctest */,
 				6E189DAD2D2E44ED00303762 /* AllenWrenchUITests.xctest */,
+				6E189DC42D2E460600303762 /* awkbd.appex */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -102,10 +155,12 @@
 				6E189D8F2D2E44EB00303762 /* Sources */,
 				6E189D902D2E44EB00303762 /* Frameworks */,
 				6E189D912D2E44EB00303762 /* Resources */,
+				6E189DD02D2E460600303762 /* Embed Foundation Extensions */,
 			);
 			buildRules = (
 			);
 			dependencies = (
+				6E189DCA2D2E460600303762 /* PBXTargetDependency */,
 			);
 			fileSystemSynchronizedGroups = (
 				6E189D952D2E44EB00303762 /* AllenWrench */,
@@ -163,6 +218,28 @@
 			productReference = 6E189DAD2D2E44ED00303762 /* AllenWrenchUITests.xctest */;
 			productType = "com.apple.product-type.bundle.ui-testing";
 		};
+		6E189DC32D2E460600303762 /* awkbd */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 6E189DCD2D2E460600303762 /* Build configuration list for PBXNativeTarget "awkbd" */;
+			buildPhases = (
+				6E189DC02D2E460600303762 /* Sources */,
+				6E189DC12D2E460600303762 /* Frameworks */,
+				6E189DC22D2E460600303762 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			fileSystemSynchronizedGroups = (
+				6E189DC52D2E460600303762 /* awkbd */,
+			);
+			name = awkbd;
+			packageProductDependencies = (
+			);
+			productName = awkbd;
+			productReference = 6E189DC42D2E460600303762 /* awkbd.appex */;
+			productType = "com.apple.product-type.app-extension";
+		};
 /* End PBXNativeTarget section */
 
 /* Begin PBXProject section */
@@ -172,6 +249,7 @@
 				BuildIndependentTargetsInParallel = 1;
 				LastSwiftUpdateCheck = 1620;
 				LastUpgradeCheck = 1620;
+				ORGANIZATIONNAME = Cray;
 				TargetAttributes = {
 					6E189D922D2E44EB00303762 = {
 						CreatedOnToolsVersion = 16.2;
@@ -184,6 +262,9 @@
 						CreatedOnToolsVersion = 16.2;
 						TestTargetID = 6E189D922D2E44EB00303762;
 					};
+					6E189DC32D2E460600303762 = {
+						CreatedOnToolsVersion = 16.2;
+					};
 				};
 			};
 			buildConfigurationList = 6E189D8E2D2E44EB00303762 /* Build configuration list for PBXProject "AllenWrench" */;
@@ -203,6 +284,7 @@
 				6E189D922D2E44EB00303762 /* AllenWrench */,
 				6E189DA22D2E44ED00303762 /* AllenWrenchTests */,
 				6E189DAC2D2E44ED00303762 /* AllenWrenchUITests */,
+				6E189DC32D2E460600303762 /* awkbd */,
 			);
 		};
 /* End PBXProject section */
@@ -229,6 +311,13 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		6E189DC22D2E460600303762 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
@@ -253,6 +342,13 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		6E189DC02D2E460600303762 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXSourcesBuildPhase section */
 
 /* Begin PBXTargetDependency section */
@@ -266,6 +362,11 @@
 			target = 6E189D922D2E44EB00303762 /* AllenWrench */;
 			targetProxy = 6E189DAE2D2E44ED00303762 /* PBXContainerItemProxy */;
 		};
+		6E189DCA2D2E460600303762 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			target = 6E189DC32D2E460600303762 /* awkbd */;
+			targetProxy = 6E189DC92D2E460600303762 /* PBXContainerItemProxy */;
+		};
 /* End PBXTargetDependency section */
 
 /* Begin XCBuildConfiguration section */
@@ -399,11 +500,13 @@
 				DEVELOPMENT_TEAM = W9ASV855X5;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -411,6 +514,9 @@
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = lgbt.cray.AllenWrench;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -428,11 +534,13 @@
 				DEVELOPMENT_TEAM = W9ASV855X5;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -440,6 +548,9 @@
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = lgbt.cray.AllenWrench;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -458,6 +569,9 @@
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = lgbt.cray.AllenWrenchTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = NO;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -477,6 +591,9 @@
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = lgbt.cray.AllenWrenchTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = NO;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -494,6 +611,9 @@
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = lgbt.cray.AllenWrenchUITests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = NO;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -511,6 +631,9 @@
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = lgbt.cray.AllenWrenchUITests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = NO;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -518,6 +641,64 @@
 			};
 			name = Release;
 		};
+		6E189DCE2D2E460600303762 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = W9ASV855X5;
+				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_FILE = awkbd/Info.plist;
+				INFOPLIST_KEY_CFBundleDisplayName = "HexCorp Keyboard";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "";
+				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+					"@executable_path/../../Frameworks",
+				);
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = lgbt.cray.AllenWrench.awkbd;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		6E189DCF2D2E460600303762 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = W9ASV855X5;
+				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_FILE = awkbd/Info.plist;
+				INFOPLIST_KEY_CFBundleDisplayName = "HexCorp Keyboard";
+				INFOPLIST_KEY_NSHumanReadableCopyright = "";
+				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+					"@executable_path/../../Frameworks",
+				);
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = lgbt.cray.AllenWrench.awkbd;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SKIP_INSTALL = YES;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = NO;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Release;
+		};
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
@@ -557,6 +738,15 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
+		6E189DCD2D2E460600303762 /* Build configuration list for PBXNativeTarget "awkbd" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				6E189DCE2D2E460600303762 /* Debug */,
+				6E189DCF2D2E460600303762 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
 /* End XCConfigurationList section */
 	};
 	rootObject = 6E189D8B2D2E44EB00303762 /* Project object */;

AllenWrench.xcodeproj/xcuserdata/liz.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -9,6 +9,11 @@
 			<key>orderHint</key>
 			<integer>0</integer>
 		</dict>
+		<key>awkbd.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
 	</dict>
 </dict>
 </plist>

AllenWrench/ContentView.swift

@@ -7,18 +7,57 @@
 
 import SwiftUI
 
+
 struct ContentView: View {
+    
+    @State var whatever: Bool = false
+    @State var droneId: String = ""
+    @State var dronePrefix: String = "⬡"
+    
     var body: some View {
-        VStack {
+        NavigationView {
-            Image(systemName: "globe")
+            Form {
-                .imageScale(.large)
+                Section(header: Text("Content Settings"), content: {
-                .foregroundStyle(.tint)
+                    HStack{
-            Text("Hello, world!")
+                        Text("Drone ID")
+                        TextField("Drone ID", text: $droneId).multilineTextAlignment(.trailing)
+                    }
+                    HStack{
+                        Text("Prefix")
+                        TextField("Drone Prefix", text: $dronePrefix).multilineTextAlignment(.trailing)
+                    }
+                })
+                Section(header: Text("Behavior"), content: {
+                    HStack {
+                        Toggle(isOn: $whatever) {
+                            Text("Automatic Send?")
+                        }
+                    }
+                })
+                
+                Section(header: Text("About"), content: {
+                    HStack{
+                        Spacer()
+                        VStack{
+                            Text("A keyboard for drones, by a drone")
+                            Link(destination: URL(string: "https://git.corrupt.link/liz/allenwrench")!){
+                                HStack{
+                                    Image(systemName: "text.document")
+                                    Text("View Source Code")
+                                }
+                            }
+                            Text("©2025 Elizabeth Cray").foregroundStyle(.secondary)
+                        }
+                        Spacer()
+                    }
+                })
+            }
+            .navigationTitle("Allen Wrench")
         }
-        .padding()
     }
 }
 
+
 #Preview {
     ContentView()
 }

awkbd/Info.plist

@@ -0,0 +1,24 @@
+<?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>NSExtension</key>
+	<dict>
+		<key>NSExtensionAttributes</key>
+		<dict>
+			<key>IsASCIICapable</key>
+			<true/>
+			<key>PrefersRightToLeft</key>
+			<false/>
+			<key>PrimaryLanguage</key>
+			<string>en-US</string>
+			<key>RequestsOpenAccess</key>
+			<false/>
+		</dict>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.keyboard-service</string>
+		<key>NSExtensionPrincipalClass</key>
+		<string>$(PRODUCT_MODULE_NAME).KeyboardViewController</string>
+	</dict>
+</dict>
+</plist>

awkbd/KeyboardViewController.swift

@@ -0,0 +1,60 @@
+//
+//  KeyboardViewController.swift
+//  awkbd
+//
+//  Created by Elizabeth Cray on 1/8/25.
+//
+
+import UIKit
+
+class KeyboardViewController: UIInputViewController {
+
+    @IBOutlet var nextKeyboardButton: UIButton!
+    
+    override func updateViewConstraints() {
+        super.updateViewConstraints()
+        
+        // Add custom view sizing constraints here
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        // Perform custom UI setup here
+        self.nextKeyboardButton = UIButton(type: .system)
+        
+        self.nextKeyboardButton.setTitle(NSLocalizedString("Next Keyboard", comment: "Title for 'Next Keyboard' button"), for: [])
+        self.nextKeyboardButton.sizeToFit()
+        self.nextKeyboardButton.translatesAutoresizingMaskIntoConstraints = false
+        
+        self.nextKeyboardButton.addTarget(self, action: #selector(handleInputModeList(from:with:)), for: .allTouchEvents)
+        
+        self.view.addSubview(self.nextKeyboardButton)
+        
+        self.nextKeyboardButton.leftAnchor.constraint(equalTo: self.view.leftAnchor).isActive = true
+        self.nextKeyboardButton.bottomAnchor.constraint(equalTo: self.view.bottomAnchor).isActive = true
+    }
+    
+    override func viewWillLayoutSubviews() {
+        self.nextKeyboardButton.isHidden = !self.needsInputModeSwitchKey
+        super.viewWillLayoutSubviews()
+    }
+    
+    override func textWillChange(_ textInput: UITextInput?) {
+        // The app is about to change the document's contents. Perform any preparation here.
+    }
+    
+    override func textDidChange(_ textInput: UITextInput?) {
+        // The app has just changed the document's contents, the document context has been updated.
+        
+        var textColor: UIColor
+        let proxy = self.textDocumentProxy
+        if proxy.keyboardAppearance == UIKeyboardAppearance.dark {
+            textColor = UIColor.white
+        } else {
+            textColor = UIColor.black
+        }
+        self.nextKeyboardButton.setTitleColor(textColor, for: [])
+    }
+
+}