Fix possible NPE in MainKeyboardView

    }

    private void drawLanguageOnSpacebar(final Key key, final Canvas canvas, final Paint paint) {

        final Keyboard keyboard = getKeyboard();

        if (keyboard == null) {

            return;

        }

        final int width = key.getWidth();

        final int height = key.getHeight();

        paint.setTextAlign(Align.CENTER);

        paint.setTypeface(Typeface.DEFAULT);

        paint.setTextSize(mLanguageOnSpacebarTextSize);

        final RichInputMethodSubtype subtype = getKeyboard().mId.mSubtype;

        final String language = layoutLanguageOnSpacebar(paint, subtype, width);

        final String language = layoutLanguageOnSpacebar(paint, keyboard.mId.mSubtype, width);

        // Draw language text with shadow

        final float descent = paint.descent();

        final float textHeight = -paint.ascent() + descent;