#Java
android获取SD卡的状态
/** 获取存储卡路径 */ File sdcardDir=Environment.getExternalStorageDirectory(); /** StatFs 看文件系统空…
#Java
Android分页查询获取系统联系人信息
import java.util.ArrayList; import java.util.List; import android.R.integer; import androi…
#Java
android 调节屏幕亮度
public void setBrightness(int level) { ContentResolver cr = getContentResolver(); Settings…
#Java
servlet实现文件上传数据增删该查
控制层： 文件上传需要import org.apache.commons.fileuploadjar包 package com.product.dbutil.product.act…
#Java
android开机启动代码
1）public class StartupReceiver extends BroadcastReceiver { @Override public void onReceive…
#Java
android圆角矩形的实现
在res/drawable目录下穿件shape的xml来实现圆角矩形效果。代码如下： <?xml version="1.0" encoding="…
#Java
android实现静默安装示例
1、需要RootTools.jar 2、执行脚本 public class InstallerActivity extends Activity { /** Called when…
#Java
android自定义对话框工具类
public class CustomDialog { private AlertDialog.Builder builder; private Context context; …
#Java
Android利用后台服务下载网络数据
/** * 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…
#Java
android Json解析全
方式一 1、实体类 public class Person { private int age; private String name; public Person(int ag…
#Java
Android 上拉刷新列表数据
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…
#Java
字节数组用txt文件保存Java工具类
public void saveToSDTemp11Byte(byte[] dataResult,String fileName) { FileOutputStream os = …
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