/**
* Handles a key event.
*
* @param event the key event to handle
* @return {@code true} if the event was handled
*/
public boolean handleKey(KeyEvent event) {
if (event.getAction() != KeyEvent.ACTION_DOWN) {
return false;
}
int code = event.getKeyCode();
if (code == KeyEvent.KEYCODE_ENTER) {
displaySingleTimeMessage(context.getString(R.string.keyboard_enter));
Action.ENTER.execute(commands);
return true;
}
if (code == KeyEvent.KEYCODE_DEL) {
displaySingleTimeMessage(context.getString(R.string.keyboard_del));
Action.BACKSPACE.execute(commands);
return true;
}
if (code == KeyEvent.KEYCODE_SPACE) {
appendDisplayedText(" ");
commands.keyPress(Code.KEYCODE_SPACE);
return true;
}
int c = event.getUnicodeChar();
return handleChar((char) c);
}
/**
* Handles a character input.
*
* @param c the character being typed
* @return {@code true} if the event was handled
*/
public boolean handleChar(char c) {
if (isValidCharacter(c)) {
String str = String.valueOf(c);
appendDisplayedText(str);
commands.string(str);
return true;
}
return false;
}