Java tutorial
//package com.java2s; /* * Copyright (C) 2008 Esmertec AG. * Copyright (C) 2008 The Android Open Source Project * * 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.io.FileInputStream; import java.io.IOException; import java.io.InputStream; public class Main { public static boolean themeThreeExist() throws IOException { try { InputStream in = new FileInputStream("data/data/com.junk.settings/shared_prefs/Junk_Theme_Three.xml"); if (in != null) { in.close(); } } catch (IOException ex) { return false; } return true; } }