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This chapter explained the necessary steps for installing and using J2ME Polish in a very condensed manner. The following chapters describe how to install the other tools you need to run J2ME Polish, detail the J2ME Polish installation steps, recommend some additional tools that you might find helpful, and show how you can tightly integrate J2ME Polish into your favorite IDE.

In this chapter, we looked at the various basic tools that you need in order to use J2ME Polish. In the next chapter, you will learn how to install and set up J2ME Polish itself, so that you can start developing professional mobile applications!

With the help of this chapter, you have now installed J2ME Polish and maybe even some other useful tools as well.In the next chapter, you will learn how to integrate your J2ME Polish installation into your favorite IDE.

Thanks to the Ant support of all good Java IDEs, integrating J2ME Polish is quite easy. Apart from the discussed IDEs, you can use many others, as long as they can call Ant scripts. So, if you are a Unix guru, you can even use Emacs without any problems.

Now you are ready to start using J2ME Polish fully. In the next chapter,you will learn how you can use the device database of J2ME Polish not only for learning about your target devices but also for adjusting your application, circumventing device issues, and more.

The chapter introduced you to the general architecture of J2ME Polish. You gained an insight in the four main layers: the build framework, client framework, IDE plug-ins, and stand-alone tools. You also learned about the life cycle of wireless Java applications and how J2ME Polish can help you in each phase.

In the next chapter, we will take a look at the device database that provides the foundation for almost every module of J2ME Polish.

This chapter discussed J2ME Polish’s XML-based device database and its formats. We took a quick look at using the database for information, building for multiple devices, selecting the appropriate resources, and optimizing applications. In the following chapter, you’ll learn all about building applications with J2ME Polish.

In this chapter, you learned how to build applications with Ant and J2ME Polish. You can equip your applications with specific resources without touching the source code, use obfuscators to minimize the application size, localize your application, and integrate a third-party API.

In the next chapter, you will explore the possibilities of preprocessing. In contrast to the packaging solutions, preprocessing is used on the source code level of your application.

This chapter explained how to make most of your application by using preprocessing. J2ME Polish makes device-specific adjustments quite easy by providing both a powerful preprocessor and an extensive device database.

The next chapter covers the logging framework, which is realized with preprocessing as well. It allows you to view logging messages on real devices, and can be configured or disabled just by setting some build variables.

In this chapter, you learned how you can use J2ME Polish and simple System.out.println() statements for logging messages. The advantage of the logging framework is that it allows you to assign different log levels to different classes and packages. You can also deactivate the logging completely, so that no traces of the logging remain in your application. Last, but not least, you can use log handlers to store the messages into the RMS.

In the next chapter, you will learn how to use other J2ME Polish utilities, such as the Binary Editor and the TextUtil class.

This chapter discussed the various utilities that come with J2ME Polish. Although they are not essential for developing J2ME applications, they are quite useful and might solve challenges that you encounter during application development.

In the next chapter, we’ll take a look at the game engine of J2ME Polish and how it can help you to develop games for both MIDP 2.0 and MIDP 1.0 devices using a single-source base.