The system keyboard isn't limited by these constraints. Your custom keyboard does not have access to the view hierarchy of the input, it cannot control the cursor, and is unable to select text. Also, the custom keyboard cannot display anything above the top row. These include secure text fields for entering passwords and phone pad objects, such as the phone number fields in the Contacts application. There are certain text input objects that your custom keyboard is not eligible to type into. Requirements & Limitations What a Custom Keyboard Can't Do If you only need to add a few buttons to the system keyboard, then you should look into custom views for data input. A “next keyboard” key. The affordance that lets a user switch to another keyboard is part of a keyboard’s user interface you must provide one in your keyboard. There are two development essentials for every custom keyboard: Trust. Your custom keyboard gives you access to what a user types, so trust between you and your user is essential. For this reason the keyboard must allow the user to switch to another keyboard. The essential function of a custom keyboard is simple, respond to taps, gestures, or other input events, and provide text in the form of an unattributed NSString object at the text insertion point of the current text input object.Īfter a user chooses a keyboard, it remains as the default one whenever they open an app. OverviewĪ custom keyboard replaces the system keyboard for users who want capabilities, such as a novel text input method or the ability to enter text in a language not otherwise supported by the operating system. Before we do that, we are going to go over what a keyboard extension can do, what it can't do, and what it should to get approved for the App Store.
#SWIFT SHARE EXTENSION TUTORIAL HOW TO#
In this tutorial I'm going to show you how to make your own custom keyboard using Swift and the new app extension APIs. One way of extending the operating system is by creating a custom keyboard. Starting with iOS 8, your applications can extend custom functionality and content beyond your app, and make it available to users while they're using other apps or the operating system.
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