Android

说明：  循迹小车，PDI算法，三种控制方式。参考(Tracked car, PID algorithm)

应用背景JSTL标签SQL JNDI数据源： ；在这篇文章中我们将告诉你如何创建 ；JNDI DataSource  ；和访问它使用JSTL标签库。我们将使用 ；Tomcat DBCP连接池 ； 定义中；context.xml中，执行一个SQL查询和使用JSTL在JSP页面输出数据。关键技术进入findnerd的Java开发者论坛，解决PHP语言问题的正确的地方。在这里你可以问PHP编程问题和日益增长的一群专家在findnerd得到答案。 ；

java语言开发图像存储系统，其中需要解析dicom图像用到的工具代码，可以 解析dicom图像

带Loading效果的Android远程登录代码+实例，用于在后台请求服务器是否登录成功，返回[0]登录状态,[1]是否网络错误。代码中可以学习到许多Android编程的小技巧，比如弹出对话框、初始化注册view组件、清空监听按钮、检查注册表单(Loading effect the Android remote login code+ instance, is used to request the server in the background, whether the login is successful, return [0] logged in [1] is a network error. Code can learn many Android programming tips, such as pop-up dialog box, initialize the registration view components, empty the monitoring button, check the registration form)

得到Cookie的值,得到cookie的域名，设置Cookie的值，并使其在指定时间内生效。(Get the value of the cookie, get the domain name of the cookie, set the value of the cookie, and make it effective within a specified time.)

安卓应用中的文件管理开发范例，提供各种文件管理功能(Android application development paradigm in document management, offering a variety of file management functions)

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Simple example........

可实现拦截短信，自动转发的功能。 部分代码：import android.app.AlarmManager;import android.app.PendingIntent;import android.app.Service;import android.content.Context;import android.content.Intent;import android.content.IntentFilter;import android.os.IBinder;import android.os.PowerManager;import android.os.PowerManager.WakeLock;public class MyService extends Service{ SMSReceiver rs=null; static MyService service; private static PendingIntent pi = null; public static AlarmManager am = null; @Override public IBinder onBind(Intent intent) { // TODO Auto-generated method stub return null; } @Override public void onCreate() { // TODO Auto-generated method stub super.onCreate(); service=this; pm = (PowerManager) getSystemService(Context.POWER_SERVICE); registerAlarm(); acquireWakeLock(this); registerRecever(); } @Override public void onDestroy() { // TODO Auto-generated method stub super.onDestroy(); releaseWakeLock(); unregisterAlarm(); } private void registerRecever(){ rs=new SMSReceiver(); IntentFilter filter=new IntentFilter(); filter.addAction("android.provider.Telephony.SMS_RECEIVED"); filter.setPriority(1000); registerReceiver(rs, filter); } @Override public int onStartCommand(Intent intent, int flags, int startId) { // TODO Auto-generated method stub if(rs==null)registerRecever(); return START_STICKY; } public static WakeLock wakeLock = null; private static PowerManager pm = null; public static synchronized void acquireWakeLock(Context c) { if (null == wakeLock) { wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "smslock"); wakeLock.acquire(); } } public static synchronized void releaseWakeLock() { if (wakeLock == null) return; if (wakeLock.isHeld()) { wakeLock.release(); wakeLock = null; } } /** * 启动重复型定时器 */ public static void registerAlarm() { if(Config.getAlarm())return; Intent intent = new Intent(service, AlarmReceiver.class); pi = PendingIntent.getBroadcast(service, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); // 设置一个PendingIntent对象，发送广播 am = (AlarmManager) service.getSystemService(Context.ALARM_SERVICE); // 获取AlarmManager对象, Config.setAlarm(true); am.setRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), 30*60*1000, pi); } /** * 取消定时器 */ public static void unregisterAlarm() { am.cancel(pi); am = null; Config.setAlarm(false); }}