#Java
Android判断当前应用程序状态是在前台还是后台
1 public static boolean isBackground(Context context) { &nb…
#Java
ApachePOI 动态列表生成excel
先创建导出Excel的工具类，并带泛型，实体一定要生成属性的get方法，就是普通的Javabean，后面的就是个人发挥了，废话不多说，直接上代码： public class Exp…
#Java
HttpClients下载与入门
Http协议的重要性相信不用我多说了，HttpClient相比传统JDK自带的URLConnection，增加了易用性和灵活性（具体区别，日后我 们再讨论），它不仅是客户端发送Ht…
#Java
从assets中读取文本和图片资源
/** 从assets 文件夹中读取文本数据 */ public static String getTextFromAssets(final Context context, St…
#Java
Android下拉/上拉刷新ListView之Android-PullToRefresh
Android下拉/上拉刷新ListView之Android-PullToRefresh Android下拉和上拉刷新ListView列表内容的的一个优秀开源框架，在github上…
#Java
Android解压Zip包
/** * 解压一个压缩文档 到指定位置 * * @param zipFileString 压缩包的名字 * @param outPathString 指定的路径 * [url=h…
#Java
jsp简单实现统计在线人数
通过重写HttpSessionListener接口实现 //session操作类 public class SessionMap { private static Map<S…
#Java
Java文件夹排序（先文件夹排序，后文件排序）
public static void sortFiles(File[] files) { Arrays.sort(files, new Comparator<File>…
#Java
SpringMVC多文件上传实例
后台Conroller import java.io.File; import java.io.FileInputStream; import java.io.FileOutput…
#Java
Java检测字符串中是否包含汉字
public static boolean checkChinese(String sequence) { final String format = "[\\u4E00…
#Java
获取已经安装APK的路径
PackageManager pm = getPackageManager(); for (ApplicationInfo app : pm.getInstalledApplica…
#Java
Android获取应用程序下所有Activity
public static ArrayList<String> getActivities(Context ctx) { ArrayList<String>…
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