Java tutorial
//package com.java2s; /* * Copyright (c) 2015. The AppCan Open Source Project. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * */ import android.content.Context; import android.os.Build; import android.os.Environment; import java.io.File; public class Main { private static File getExternalCacheDir(Context context) { File path = null; if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO) { path = context.getExternalCacheDir(); // In some case, even the sd card is mounted, // getExternalCacheDir will return null // may be it is nearly full. } if (null == path) { // Before Froyo or the path is null, // we need to construct the external cache folder ourselves final String cacheDir = "/Android/data/" + context.getPackageName() + "/cache/"; path = new File(Environment.getExternalStorageDirectory().getPath() + cacheDir); } return path; } }