Development of Android keyboards (letters, numbers, symbols)

Summary: Click EditText to trigger the display of the Popupwindow keyboard view. This demo disables the soft keyboard that comes with the system. This keyboard can contain uppercase/lowercase letters, numbers, and special characters.

Usage: click "abc" and "ABC" to switch between uppercase and lowercase letters, and click "123" and "abc" to switch between numbers and letter keyboards, click "character" and "123" to switch between the special symbol and the numeric keyboard. It seems that a keyboard is actually four keyboards, all implemented on a popupwindow, and style is used. xml definition. This is to unify the keyboard style. Click the delete key to delete a character, and press the delete key to clear EditText, this demo also sets that the input cursor is always at the last side of the input character;

1: initial operation

3: uppercase letter keyboard

4: numeric keypad

:

5: special symbol keyboard:

Source code download to: http://download.csdn.net/detail/anliang123abc/6317507