CleanUtils.java

package com.huaye.odyandroidstore.utils;

import java.io.File;

/**
 * <pre>
 *     author: Blankj
 *     blog  : http://blankj.com
 *     time  : 2016/9/27
 *     desc  : 清除相关工具类
 * </pre>
 */
public class CleanUtils {

    private CleanUtils() {
        throw new UnsupportedOperationException("u can't instantiate me...");
    }

    /**
     * 清除内部缓存
     * <p>/data/data/com.xxx.xxx/cache</p>
     *
     * @return {@code true}: 清除成功<br>{@code false}: 清除失败
     */
    public static boolean cleanInternalCache() {
        return FileUtils.deleteFilesInDir(Utils.getContext().getCacheDir());
    }

    /**
     * 清除内部文件
     * <p>/data/data/com.xxx.xxx/files</p>
     *
     * @return {@code true}: 清除成功<br>{@code false}: 清除失败
     */
    public static boolean cleanInternalFiles() {
        return FileUtils.deleteFilesInDir(Utils.getContext().getFilesDir());
    }

    /**
     * 清除内部数据库
     * <p>/data/data/com.xxx.xxx/databases</p>
     *
     * @return {@code true}: 清除成功<br>{@code false}: 清除失败
     */
    public static boolean cleanInternalDbs() {
        return FileUtils.deleteFilesInDir(Utils.getContext().getFilesDir().getParent() + File.separator + "databases");
    }

    /**
     * 根据名称清除数据库
     * <p>/data/data/com.xxx.xxx/databases/dbName</p>
     *
     * @param dbName  数据库名称
     * @return {@code true}: 清除成功<br>{@code false}: 清除失败
     */
    public static boolean cleanInternalDbByName( String dbName) {
        return Utils.getContext().deleteDatabase(dbName);
    }

    /**
     * 清除内部SP
     * <p>/data/data/com.xxx.xxx/shared_prefs</p>
     *
     * @return {@code true}: 清除成功<br>{@code false}: 清除失败
     */
    public static boolean cleanInternalSP() {
        return FileUtils.deleteFilesInDir(Utils.getContext().getFilesDir().getParent() + File.separator + "shared_prefs");
    }

    /**
     * 清除外部缓存
     * <p>/storage/emulated/0/android/data/com.xxx.xxx/cache</p>
     *
     * @return {@code true}: 清除成功<br>{@code false}: 清除失败
     */
    public static boolean cleanExternalCache() {
        return SDCardUtils.isSDCardEnable() && FileUtils.deleteFilesInDir(Utils.getContext().getExternalCacheDir());
    }

    /**
     * 清除自定义目录下的文件
     *
     * @param dirPath 目录路径
     * @return {@code true}: 清除成功<br>{@code false}: 清除失败
     */
    public static boolean cleanCustomCache(String dirPath) {
        return FileUtils.deleteFilesInDir(dirPath);
    }

    /**
     * 清除自定义目录下的文件
     *
     * @param dir 目录
     * @return {@code true}: 清除成功<br>{@code false}: 清除失败
     */
    public static boolean cleanCustomCache(File dir) {
        return FileUtils.deleteFilesInDir(dir);
    }
}