developer.blueid.de

S40

When you connect you mobile phone to your PC via USB, you can open a serial connection to the device with a terminal application (Putty for Windows, ZTerm for MacOS) and see the log messages. This method is discussed in the Nokia forum.

S60

The S60 platform offers advanced debugging solutions. The S60 SDK provides a midlet that you have to start before you application and forwards all interesting informations like log messages, cpu and memory consumption to a application on your PC. The mobile phone can be connected via USB, Bluetooth or WLAN. This method is described in the Nokia forum.

Android

The Android SDK offers a mighty debugging solution with the Android Debugging Bridge (ADB). See the documentation.

Wir verlosen unter unseren Fans auf Facebook bzw. unseren Followern auf Twitter jeweils 25 Freitickets für die CeBIT 2010. Die Gewinner werden am Freitag, den 26. Februar gezogen.

Dieses Jahr sind wir auf der CeBIT im Microsoft Partnerbereich in der Halle 4 vertreten.

Here is my personal Top 10 list of books about software project management:

1. Making Things Happen
2. The Deadline
3. Software Project Survival Guide
4. Peopleware
5. Applied Software Project Management
6. Death March
7. Manage It!
8. Waltzing With Bears
9. Behind Closed Doors: Secrets of Great Management
10. Manage Your Project Portfolio

Here is my personal Top 10 list of books about various topics of software engineering:

1. The Mythical Man-Month
2. Design Patterns
3. Facts and Fallacies of Software Engineering
4. Applying UML and Patterns
5. Object-Oriented Software Construction
6. Head First Design Patterns
7. Patterns of Enterprise Application Architecture
8. Domain-Driven Design
9. Release It!
10. Enterprise Integration Patterns

Here is my personal Top 10 list of books for computer programmers:

1. Code Complete
2. The Pragmatic Programmer: From Journeyman to Master
3. Refactoring: Improving the Design of Existing Code
4. Rapid Development
5. Clean Code
6. Working Effectively with Legacy Code
7. Art of Computer Programming
8. Programming Pearls (2nd Edition)
9. The Productive Programmer
10. The Practice of Programming

If you like this Top 10 list, I will create other lists of my favourite agile books and software engineering books.

If you want to create applications for the IPhone but don’t want to go into the troubles with the ITunes Store or you are too lazy to learn Objective-C, there is another possibility: create a web application with a native IPhone Look and Feel.

For this purpose there exist some frameworks:

• iui
• iWebKit
• Apache Trinidad

These frameworks fake the Look and Feel of an IPhone application by using CSS and JavaScript. The developer creates normal HTML lists and includes the framework, which does all the hard work. Following there are two pictures that show a music application developed with the frameworks iui (on the left) and iWebKit (on the right).

To hide the status bar of the Safari browser, add the following code to the HTML header:

The web application can be placed on the IPhone start screen like a native app. The title of the HTML file is used as application name. The icon of the application can be set with the following code:

If you want to upload your web application to the ITunes Store, you should look at the following frameworks:

• Nimble
• PhoneGap

They allow the conversion of HTML pages into native IPhone apps.

Dieser Artikel erläutert, wie man das Spring Framework zusammen mit dem JAX-RS-Provider Jersey einsetzen kann. Das Ziel soll sein, dass die Rest-Resourcen automatisch instantitiert werden und die benötigten Abhängigkeiten über Spring injiziert werden.

Dazu muss zuerst in der web.xml das Spring-Framework durch die Angabe zweier Listener und durch Festlegung der Spring-Konfigurationsdatei initialisiert werden. Außerdem muss ein spezielles SpringServlet eingebunden werden, dass die Rest-Anfragen an Jersey weiterleitet. Dieses Servlet liefert Jersey im Paket jersey-spring mit.

contextConfigLocation
/WEB-INF/applicationContext.xml
    


           org.springframework.web.context.ContextLoaderListener
        
    


  org.springframework.web.context.request.RequestContextListener
        
    
    
        Jersey Spring Web Application
        
           com.sun.jersey.spi.spring.container.servlet.SpringServlet
        
    
    
        Jersey Spring Web Application
        /*
    

In der Spring-Konfigurationsdatei ist nur ein Eintrag nötig. Mittels Component-Scan werden alle Rest-Resourcen gefunden, die mit der Annotation @Component markiert sind. Danach werden alle Beans definiert, die in die Rest-Resourcen-Klassen injiziert werden sollen (im Beispiel: testObject).

Nachfolgend wir eine Rest-Resourcen-Klasse erstellt. Wie bereits erwähnt, muss diese mit der Annotation @Component ausgezeichnet werden, um vom Spring-Framework gefunden zu werden. Damit nicht bei jeder Anfrage ein neues Objekt erzeugt wird, wird der Scope auf Singleton gesetzt. Mit Hilfe der Annotation Path wird festgelegt unter welchen Pfad die Resource zu erreichen ist.

Schließlich wird eine Instanz von TestObject über die Annotation @Resource angefragt, die dann von Spring automatisch injiziert wird.

@Component
@Path("hello")
@Scope("singleton")
public class HelloWorld {

    @Resource
    private TestObject testObject;

    @GET
    public String sayHello( @QueryParam("name")String name){
           return testObject.sayHello(name);
    }

}

Are you sick of creating maps with all the redundant syntax like in the example below?

Map map = new HashMap();
map.put(1, "ONE");
map.put(2, "TWO");
map.put(3, "THREE");

With the usage of some advanced Java 5 features, we can make map creation simpler:

Map(
   o(1, "ONE"),
   o(2, "TWO"),
   o(3, "THREE"),
);

Too make this happen you need the class that is listed below. Just import the methods Map and o statically and then lets rock!

public class FluentMap {

    public static  Map Map(Tuple... entries) {
        Map map = new HashMap();

        for (Tuple entry : entries) {
            map.put(entry.t1, entry.t2);
        }
        return map;
    }

    public static  Tuple o(T1 o1, T2 o2) {
        return new Tuple(o1, o2);
    }

    public static class Tuple {
        private T1 t1;
        private T2 t2;

        public Tuple(T1 t1, T2 t2) {
            this.t1 = t1;
            this.t2 = t2;
        }
    }
}

The trick here is that Java supports type inference in static methods. That is why you don’t need to specify any type.