问如何将数据存储在一个片段中以获取另一个片段中的数据？

EN

public class SharedPrefs {
private static final String myPrefs = "myprefs";
private static final String LogedInKey = "Key";
private final Context context;
private final SharedPreferences sharedPreferences;
private final SharedPreferences.Editor editor;


public SharedPrefs(Context context) {
    this.context = context;
    sharedPreferences = context.getSharedPreferences(myPrefs, Context.MODE_PRIVATE);
    editor = sharedPreferences.edit();
}

public void savePref(String key) {
    editor.putString(LogedInKey, key);
    editor.commit();
}

public String getLogedInKey() {
    return sharedPreferences.getString(LogedInKey, null);
}

public void clearLogin() {
    editor.putString(LogedInKey, null);
    editor.commit();
}}

public class ProfileFragment extends Fragment {
private Context context;
private SharedPrefs sharedPrefs=new SharedPrefs(context);

public ProfileFragment(Context context) {
    this.context = context;
}


@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_profile, null);
    TextView userName=view.findViewById(R.id.userName);
    String a=sharedPrefs.getLogedInKey();
    userName.setText(a);

    return view;
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);


}}