When a user taps in a secure text input object, the system temporarily replaces your custom keyboard with the system keyboard. Such an object is defined by its secureTextEntry property being set to YES true and is distinguished by presenting typed characters as dots. There are certain text input objects that your custom keyboard is not eligible to type into. Your custom settings then appear in the Keyboard area in Settings, associated with your keyboard. To give your users flexibility, create a standard settings bundle, as described in Implementing an iOS Settings Bundle in Preferences and Settings Programming Guide. Nor does your keyboard have access to the dictionary reset feature (Settings > General > Reset > Reset Keyboard Dictionary). Your custom keyboard does not have access to most of the general keyboard settings in the Settings app (Settings > General > Keyboard), such as Auto-Capitalization and Enable Caps Lock. System Keyboard Features Unavailable to Custom Keyboards You can decide whether or not to implement such features there is no dedicated API for any of the features just listed, so providing them is a competitive advantage. Multistage input for ideographic languages These features and others are listed next.Р В РІР‚СњР В РІР‚С›ppropriate layout and features based on keyboard type trait IOS users also expect autocapitalization: In a standard text field, the first letter of a sentence in a case-sensitive language is automatically capitalized. Design your custom keyboard with keyboard type traits in mind. With the insertion point in the To: field in Mail, for example, the system keyboard period key changes: When you press and hold that key, you can pick from among a set of top-level domain suffixes. 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 Р В Р вЂ Р В РІР‚С™Р РЋРЎв„ўnext keyboardР В Р вЂ Р В РІР‚С™Р РЋРЎС™ 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 keyboardР В Р вЂ Р В РІР‚С™Р Р†РІР‚С›РЎС›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-itР В Р вЂ Р В РІР‚С™Р Р†РІР‚С›РЎС›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.Р В РІР‚СњР В РІР‚С›fter 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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