Knowledge about uikeyboard keyboards-iOS development

I. keyboard Style

The uikit framework supports 8 types of keyboards.

Typedef Enum {uikeyboardtypedefault, // default keyboard: supports all characters uikeyboardtypeasciicapable, // supports ASCII default keyboard uikeyboardtypenumbersandpunctuation, // standard phone keyboard, supports + * # and other symbols uikeyboardtypeurl, // URL keyboard,. com button; supports only the URL character uikeyboardtypenumberpad, // The digital keyboard uikeyboardtypephonepad, // The telephone keyboard uikeyboardtypenamephonepad, // The telephone keyboard, and the input name uikeyboardtypeemailaddress, // enter the keyboard for the email address} uikeyboardtype;

Usage example:

Textview. keyboardtype = uikeyboardtypenumberpad;

Ii. keyboard appearance

Typedef Enum {uikeyboardappearancedefault, // default appearance: light gray uikeyboardappearancealert, // dark gray/graphite} uikeyboardappearance;

Usage example:

Textview. keyboardappearance = uikeyboardappearancedefault;

Iii. Enter key

1. Typedef Enum {
2. Uireturnkeydefault,
   // Default value: the gray button marked with return
3. Uireturnkeygo, // the blue button marked with go
4. Uireturnkeygoogle,
   // The blue button marked with Google for search
5. Uireturnkeyjoin,
   // Blue button marked with join
6. Uireturnkeynext,
   // The blue button marked with "Next"
7. Uireturnkeyroute,
   // The blue button marked with route
8. Uireturnkeysearch,
   // The blue button marked with Search
9. Uireturnkeysend,
   // The blue button marked with "send"
10. Uireturnkeyyahoo,
    // Marked with Yahoo! To search
11. Uireturnkeydone,
    // The blue button marked with done
12. Uireturnkeyemergencycall,
    // Emergency call button
13. } Uireturnkeytype;
    

Usage example:

Textview. returnkeytype = uireturnkeygo;

4. Automatic capital

Typedef Enum {uitextautocapitalizationtypenone, // The uitextautocapitalizationtypewords are not automatically capitalized, // The first letter of the word is capitalized, // The first letter of the sentence is capitalized, // all letters are capitalized} uitextautocapitalizationtype;

Usage example:

Textfield. autocapitalizationtype = uitextautocapitalizationtypewords;

5. Automatic Correction

Typedef Enum {uitextautocorrectiontypedefault, // uitextautocorrectiontypeno by default, // uitextautocorrectiontypeyes is not automatically corrected, // automatic correction} uitextautocorrectiontype;

Usage example:

Textfield. autocorrectiontype = uitextautocorrectiontypeyes;

Vi. Security text input

Textview. securetextentry = yes;

Enabling secure input is mainly used for password or private data input. Automatic correction and the cache are disabled.

VII. keyboard cover View

This problem has been around for a long time. I wrote a special article to solve this problem. Please smile: how to solve the problem of opening the keyboard to cover the view