Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;

import java.util.HashSet;

import java.util.Set;

public class Main {
    public static final String LOGGED_IN_USER_PREFERENCE_KEY = "logged_in_user";

    public static void logOutUser(Context context, String userId) {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
        Set<String> currentUsers = prefs.getStringSet(LOGGED_IN_USER_PREFERENCE_KEY, new HashSet<>());
        currentUsers.remove(userId);
        PreferenceManager.getDefaultSharedPreferences(context).edit()
                .putStringSet(LOGGED_IN_USER_PREFERENCE_KEY, currentUsers).commit();
    }
}