The system keyboard presents an appropriate key set or layout based on the UIKeyboardType trait of the current text input object. In iOS 8 and later, the system provides a specific API for your “next keyboard” key, described in Providing a Way to Switch to Another Keyboard. On the system keyboard, this affordance appears as a button called the Globe key. There is one feature that iOS users expect and that every custom keyboard must provide: a way to switch to another keyboard. If you provide features that require user interaction, add them not to the keyboard but to your keyboard’s containing app. And it never interrupts the user with information or requests. To understand what users expect of your custom keyboard, study the system keyboard-it’s fast, responsive, and capable. Understand User Expectations for Keyboards Most important, your keyboard must allow the user to switch to another keyboard. For this reason, a keyboard you create must, at minimum, provide certain base features. Read about custom input views and input accessory views in Custom Views for Data Input in Text Programming Guide for iOS.Īfter a user chooses a custom keyboard, it becomes the keyboard for every app the user opens. To provide a fully custom keyboard for just your app or to supplement the system keyboard with custom keys in just your app, the iOS SDK provides other, better options. Make sure a custom, systemwide keyboard is indeed what you want to develop.
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