java根据开始时间和结束时间,计算中间天数,并打印 import java.text.SimpleDateFormat; import java.util.Date; publi…
import java.io.*; import java.util.*; import java.util.zip.*; public class FolderZip { pri…
package tankwar; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; im…
静默安装原理: 1.需要获取root的操作权限 2.通过命令式的方式直接进行安装AP…
/** * service运行在主线程里所以不能使用HTTP协议访问网络 * * try catch的实例尽量在该块外面定义 */ public class MyService e…
方式一 1、实体类 public class Person { private int age; private String name; public Person(int ag…
android开发中,listview是最常用的控件之一,通常我们可以再微博、微信等很多应用里面都可以看到下拉刷新,以及上拉刷新,点击查看更多等功能。这里…
public void saveToSDTemp11Byte(byte[] dataResult,String fileName) { FileOutputStream os = …
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import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; imp…
/** * 判断服务是否处于运行状态. * @param servicename * @param context * @return */ public static boole…
private String getAppVersion(){ PackageManager _packageManager=getPackageManager(); try { …
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