Java tutorial
//package com.java2s; /* * Copyright (C) 2016 venshine.cn@gmail.com * * 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 android.content.Context; import android.os.Environment; import java.io.File; public class Main { /** * clean external cache(/mnt/sdcard/android/data/com.xxx.xxx/cache) * * @param context */ public static void cleanExternalCache(Context context) { if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { deleteFilesInDirectory(context.getExternalCacheDir()); } } /** * delete files in directory * * @param directory */ private static void deleteFilesInDirectory(File directory) { if (directory != null && directory.exists() && directory.isDirectory()) { for (File item : directory.listFiles()) { if (item.isDirectory()) { deleteFilesInDirectory(item); } else { item.delete(); } } } } }