private void handleLogin(View view) {
        String username = editTextUsername.getText().toString().trim();
        String password = editTextPassword.getText().toString();

        if (dbHelper.userExists(username)) {
            if (dbHelper.usernamePassCombinationValid(username, password)) {
                User user = dbHelper.getUserByUsername(username);
                System.out.println(user);
            }
        }

        return;
    }