tailieunhanh - Programming java 2 micro edition for symbian os phần 3

Trong chương trước, chúng tôi đã kiểm tra các chức năng cốt lõi MIDP và đưa ra các lớp CLDC và MIDP hình thành môi trường phát triển. Trước khi chúng tôi bắt đầu viết tác phẩm đầu tiên của chúng tôi mã, chúng ta cần nhìn vào các khái niệm cơ bản của MIDP, các gói được sử dụng phổ biến nhất và phương pháp, | 72 GETTING STARTED Sun ONE Studio 4 Mobile Edition Overview Sun ONE Studio 4 is widely used within the Java developer community. This IDE gives the developer all the usual source file editing packaging pre-verification and compilation processes. The Wireless Toolkit has been integrated with the IDE. It also comes with plenty of examples to get the developer started both with the IDE and with MIDP development. There is a free offering of the IDE from the Sun Java website at the following location http software sundev jde studio_me . The free version can be used for non-commercial evaluation purposes. In the same way that JBuilder 9 can be integrated with the Nokia Developer s Suite so can this IDE. The text editor offers code completion and contextual shortcut menus to save the developer having to search for commands. A project navigator is also available as is version control through its VCS groups and CVS functions. While this book will be examining version 4 of the software it should be noted that at the time of writing an early access edition of version was being released. While this is not a full production release it is worth noting that it has the following features J2ME Wireless Toolkit integration dual support for both J2ME MIDP and development MIDP development features application signing utility to sign MIDlet suites Push Registry development over-the-air OTA testing J2ME Wireless Toolkit Project Import Wizard Wireless Connection Wizard for development of networked J2ME applications integration of third-party device SDKs through the emulator registry XML-file-based emulator configuration and integration sample MIDlets to get the developer started. Installation The IDE will run on the following systems Solaris 8 and 9 operating environments Windows XP NT SP6 2000 SP2 98 Community Edition only Red Hat Linux and Sun Linux INTRODUCTION TO TOOLS FOR MIDP 73 As a runtime environment it requires J2SE at