Java tutorial
//package com.java2s; /* * Copyright (c) 2016. Vv <envyfan@qq.com><http://www.v-sounds.com/> * * This file is part of AndroidReview (Android??) * * AndroidReview 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. * * AndroidReview 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 AndroidReview. If not, see <http://www.gnu.org/licenses/>. */ import android.content.Context; import java.io.File; public class Main { public static boolean isExistDataCache(Context context, String cachefile) { if (context == null) return false; boolean exist = false; File data = context.getFileStreamPath(cachefile); if (data.exists()) exist = true; return exist; } }