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KeyboardKit helps you create custom keyboards for iOS and iPadOS, using Swift and SwiftUI. It extends Apple's native keyboard APIs and provides you with more functionality.

KeyboardKit lets you create keyboards that mimic the native iOS keyboards in a few lines of code. These keyboards can be customized to change input keys, layout, design, behavior etc.

KeyboardKit also lets you use completely custom views together with the features that the library provides. Most of the library can be used on all major Apple platforms.

KeyboardKit supports iOS 14, macOS 11, tvOS 14 and watchOS 7, although some features are unavailable on some platforms.

KeyboardKit can be installed with the Swift Package Manager:

https://github.com/KeyboardKit/KeyboardKit.git

You can add the library to the main app, the keyboard extension and any other targets that need it. If you prefer to not have external dependencies, you can also just copy the source code into your app.

KeyboardKit is localized in 60+ keyboard-specific locales:

🇦🇱 🇦🇪 🇦🇲 🇧🇾 🇧🇬 🇦🇩 🏳️ 🇭🇷 🇨🇿 🇩🇰
🇳🇱 🇧🇪 🇺🇸 🇬🇧 🇺🇸 🇪🇪 🇫🇴 🇵🇭 🇫🇮 🇫🇷
🇧🇪 🇨🇭 🇬🇪 🇩🇪 🇦🇹 🇨🇭 🇬🇷 🇺🇸 🇮🇱 🇭🇺
🇮🇸 🇮🇩 🇮🇪 🇮🇹 🇰🇿 🇹🇯 🇹🇯 🇹🇯 🇱🇻 🇱🇹
🇲🇰 🇲🇾 🇲🇹 🇲🇳 🇳🇴 🇮🇷 🇵🇱 🇵🇹 🇧🇷 🇷🇴
🇷🇺 🇷🇸 🇷🇸 🇸🇰 🇸🇮 🇪🇸 🇰🇪 🇸🇪 🇹🇷 🇺🇦
🇺🇿

KeyboardKit comes with localized input sets, layouts and callouts for U.S. English.

KeyboardKit comes packed features to help you build amazing and powerful keyboards:

• 💥 Actions - KeyboardKit has keyboard actions like characters, emojis, actions, etc.
• 💡 Autocomplete - KeyboardKit can perform autocomplete and present suggestions as the user types.
• 🗯 Callouts - KeyboardKit can show input and secondary action callouts.
• 🎤 Dictation - (BETA) KeyboardKit can perform dictation from the keyboard extension.
• 😊 Emojis - KeyboardKit defines emojis and emoji categories, as well as emoji keyboards.
• ⌨️ External Keyboards - KeyboardKit lets you detect whether or not an external keyboard is connected.
• 👋 Feedback - KeyboardKit keyboards can give and haptic feedback feedback as the user types.
• 👆 Gestures - KeyboardKit has keyboard-specific gestures that you can use in your own keyboards.
• ⌨️ Keyboard - KeyboardKit supports different keyboard types, provides observable keyboard state, etc.
• 🔣 Layout - KeyboardKit supports creating keyboard layouts for various devices, locales etc.
• 🌐 Localization- KeyboardKit supports LTR and RTL locales with localized content and assets.
• 👁 Previews - KeyboardKit has utilites that help previewing keyboard views and components in SwiftUI.
• ➡️ Proxy Extensions - KeyboardKit extends UITextDocumentProxy and makes it do a lot more.
• 🚏 Routing - KeyboardKit lets you route text to other destinations than the main app.
• ⚙️ Settings - KeyboardKit has tools for accessing and linking to an app's keyboard settings.
• 🎨 Styling - KeyboardKit has a style engine that lets you style your keyboards to great extent.

The online documentation has a getting-started guide that helps you get started.

After installing KeyboardKit, just import KeyboardKit and make your KeyboardViewController inherit KeyboardInputViewController instead of UIInputViewController:

import KeyboardKit

class KeyboardController: KeyboardInputViewController {}

This gives your controller access to additional functionality, such as new lifecycle functions like viewWillSetupKeyboard(), observable state like keyboardContext, services like keyboardActionHandler and much more.

The default KeyboardInputViewController behavior is to setup an English SystemKeyboard. It will then call viewWillSetupKeyboard() when the keyboard view should be created or updated.

To set up KeyboardKit with a custom view, you can override viewWillSetupKeyboard() and call .setup(with:) to customize the SystemKeyboard or use a custom view:

class KeyboardViewController: KeyboardInputViewController {

    func viewWillSetupKeyboard() {
        super.viewWillSetupKeyboard()
        setup { controller in
            VStack(spacing: 0) {
                MyCustomToolbar()
                SystemKeyboard(
                    controller: controller,
                    autocompleteToolbar: .none
                )
            }
        }
    }
}

The view builder provides an unowned controller reference to avoid reference cycles and memory leaks.

For more information, please see the online documentation and getting-started guide.

The online documentation has articles, code examples etc. that let you overview the various parts of the library and understand how they all connect to each other.

The online documentation is currently iOS-specific. To generate documentation for the other platforms, open the package in Xcode, select a simulator then run Product/Build Documentation.

KeyboardKit Pro extends KeyboardKit with pro features, such as localized keyboards and services, autocomplete, dictation, emoji skintones, additional views etc. It lets you create fully localized keyboards with a single line of code.

If you want to try out KeyboardKit without having to write any code, there is a [KeyboardKit app][app-store] in the App Store, that lets you try out KeyboardKit and many of its features.

The App Store app uses KeyboardKit Pro to provide support for 60+ locales, autocomplete, dictation, emoji skintones etc.

This project has a demo app that lets you try out KeyboardKit and KeyboardKit Pro.

• The main app shows how to display keyboard state, link to system settings, etc.
• The English keyboard uses KeyboardKit and a SystemKeyboard with a standard, English locale.
• The Unicode keyboard uses KeyboardKit and a SystemKeyboard with unicode-based input keys.
• The Custom keyboard uses KeyboardKit and a SystemKeyboard with custom keys, layouts and styles.
• The Pro keyboard uses KeyboardKit Pro and a SystemKeyboard with all LRT locales, autocomplete etc.

Just open and run the demo app in the Demo folder, then enable the keyboards you want to try under System Settings. Note that you need to enable full access to try some features, like audio and haptic feedback.

KeyboardKit is open-source and completely free, but you can sponsor this project on GitHub Sponsors, upgrade to KeyboardKit Pro or get in touch for freelance work, paid support etc.

Feel free to reach out if you have questions or if you want to contribute in any way:

• Website: keyboardkit.com
• Mastodon: @[email protected]
• Twitter: @getkeyboardkit
• E-mail: [email protected]

KeyboardKit is available under the MIT license. See the LICENSE file for more info.