ESCONDER TECLADO (hide keyboard)

public boolean onTouchEvent(MotionEvent event) {

        hideSoftKeyboard(LoginActivity.this);
        return false;

    }

    public static void hideSoftKeyboard(Activity activity) {

        InputMethodManager inputMethodManager = (InputMethodManager)
        activity.getSystemService(Activity.INPUT_METHOD_SERVICE);
        inputMethodManager.hideSoftInputFromWindow(activity.getCurrentFocus().getWindowToken(), 0);

    }