文件管理器源码分析(四)

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package net.micode.fileexplorer;/** * 个类建立一实例,不是线程安全 * 单实例设置工具,保存1个选项,否显示隐藏文件和上.” */public class Settings {    // whether show system and cache images, default not    private boolean mShowDotAndHiddenFiles;    private static Settings mInstance;    private Settings() {    }    public static Settings instance() {        if(mInstance == null) {            mInstance = new Settings();        }        return mInstance;    }    public boolean getShowDotAndHiddenFiles() {        return mShowDotAndHiddenFiles;    }    public void setShowDotAndHiddenFiles(boolean s) {        mShowDotAndHiddenFiles = s;    }}


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