Java tutorial
//package com.java2s; /* * Copyright (C) 2015 Ouadban Youssef(tafayor.dev@gmail.com) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import android.content.SharedPreferences; import android.preference.ListPreference; import java.util.ArrayList; import java.util.Arrays; import java.util.Iterator; import java.util.List; public class Main { protected SharedPreferences mSharedPrefs; public static void removeListPrefItems(ListPreference listPref, String[] labels, String[] values, List<String> items) { List<String> labelsList = new ArrayList<String>(Arrays.asList(labels)); List<String> valuesList = new ArrayList<String>(Arrays.asList(values)); Iterator<String> it = valuesList.iterator(); while (it.hasNext()) { String value = it.next(); if (items.contains(value)) { labelsList.remove(valuesList.indexOf(value)); it.remove(); } } listPref.setEntries(labelsList.toArray(new String[1])); listPref.setEntryValues(valuesList.toArray(new String[1])); } public boolean contains(String tag, String subTag) { return mSharedPrefs.contains(tag + ":" + subTag); } public boolean contains(String tag) { return mSharedPrefs.contains(tag); } }