UIKeyboardSupportedInputModes emoji AdditionalPreferencesPlist Preferences_emoji UIKeyboardInputManagerClass TIKeyboardInputManager_emoji UIKeyboardDefaultLayoutIsASCIICapable UIKeyboardSupportsASCIIToggleKey UIKeyboardDefaultLayoutIsSecure UIKeyboardNeverShowCandidateBar SWLayouts Emoji UIKeyboardDefaultLanguageInputModes emoji emoji en_US