String Username = textInputEditTextEmail.getText().toString();
        String Password = textInputEditTextPassword.getText().toString();
        final SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(this);
        SharedPreferences.Editor editor = sharedPref.edit();
        editor.putBoolean("Registered", true);
        editor.putString("Username", Username);
        editor.putString("Password", Password);
        editor.apply();