tailieunhanh - J2ME in a Nutshell phần 1

Kết nối cấu hình thiết bị giới hạn cung cấp cơ sở cho việc chạy Java trên các thiết bị có nguồn tài nguyên không đủ để hỗ trợ một máy ảo hoàn thành cùng với một phiên bản đầy đủ của các gói cốt lõi J2SE. Tuy nhiên, nếu bạn là một nhà phát triển ứng dụng, | J2ME IN A NUTSHELL A Desktop Quick Reference O REILLY Kim Tcftcjr J2ME in a Nutshell Kim Topley Publisher O Reilly Edition March 2002 ISBN 0-596-00253-X 478 pages J2ME in a Nutshell provides a solid no-nonsense reference to the alphabet soup of micro edition programming covering the CLDC CDC KVM and MIDP APIs. The book also includes tutorials for the CLDC KVM MIDP and MIDlets MIDlet user interfaces networking and storage and advice on programming small handhelds. Combined with O Reilly s classic quick reference to all the core micro-edition APIs this is the one book that will take you from curiosity to code with no frustrating frills in between. Table of Contents Preface . 1 Contents of This Book. 1 Related Books. 3 J2ME Programming Resources Online. 4 Examples Online. 5 Conventions Used in This Book. 5 Request for Comments. 6 Acknowledgments. 6 I Introduction to the Java 2 Micro Edition Platform API. 8 1. Introduction. 9 What Is the J2ME Platform . 9 J2ME Specifications. 14 J2ME and Other Java Platforms. 14 2. The Connected Limited Device Configuration. 16 The CLDC Java Virtual Machine. 16 The CLDC Class Libraries. 24 KVM Debugging. 32 Advanced kVM Topics. 37 3. The Mobile Information Device Profile and MIDlets. 47 midp Overview . 47 The MIDP JavaPlatform . 51 Mffilets and MIDlet Suites . 51 MIDlet Execution Environment and Lifecycle. 57 Developing MIDlets . 62 Delivery and Installation of MIDlets . 76 4. MIDlet User Interfaces. 84 User Interface Overview . 84 The High-Level User Interface API. 88 5. The Low-Level MIDlet User Interface API. 139 The Canvas Class. 139 Painting and the Graphics Class. 143 Graphics Attributes. 144 Drawing Lines and Arcs. 147 Translating the Graphics Origin. 153 A Simple Animation MIDlet. 155 The Graphics Clip. 158 Rendering Text . 161 Images . 166 Event Handling. 171 Multithreading and the User Interface. 176 6. Wireless Java .