Java tutorial
//package com.java2s; /* ** Copyright 2012, Joel Pedraza ** ** Licensed under the Apache License, Version 2.0 (the "License"); ** you may not use this file except in compliance with the License. ** You may obtain a copy of the License at ** ** http://www.apache.org/licenses/LICENSE-2.0 ** ** Unless required by applicable law or agreed to in writing, software ** distributed under the License is distributed on an "AS IS" BASIS, ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ** See the License for the specific language governing permissions and ** limitations under the License. */ import java.util.ArrayList; import android.preference.Preference; import android.preference.PreferenceCategory; import android.preference.PreferenceGroup; import android.preference.PreferenceScreen; public class Main { private static ArrayList<Preference> getPreferenceList(Preference p, ArrayList<Preference> list) { if (p instanceof PreferenceCategory || p instanceof PreferenceScreen) { PreferenceGroup pGroup = (PreferenceGroup) p; int pCount = pGroup.getPreferenceCount(); for (int i = 0; i < pCount; i++) { getPreferenceList(pGroup.getPreference(i), list); // recursive call } } else { list.add(p); } return list; } }