Java tutorial
//package com.java2s; //License from project: Open Source License import android.content.Context; import android.content.SharedPreferences; import android.preference.PreferenceManager; public class Main { public static final String PREF_SELECTED_ACCOUNT = "selected_account"; public static boolean isAccountSelected(Context context) { return !getSelectedAccount(context).isEmpty(); } public static String getSelectedAccount(Context context) { if (context == null) return ""; SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); return prefs.getString(PREF_SELECTED_ACCOUNT, ""); } }