The document discusses graphics, threading, and HTTP connections in MIDP. It provides an overview of graphics classes and methods for drawing, fonts, images, and event handling. It also covers threads in MIDP including creating and starting threads, thread states, and preventing thread execution using sleep. Finally, it discusses the basic architecture for HTTP connections between a MIDP device and web server.

1. Graphics, Threading and HTTP-Connection in MIDP Jussi Pohjolainen TAMK University of Applied Sciences

2. GRAPHICS IN MIDP

3. Class Hierarchy javax.microedition.lcdui javax.microedition.lcdui.game Displayable Alert List Form TextBox Screen Canvas GameCanvas

16. Picture's anchors TOP | HCENTER TOP | LEFT VCENTER | LEFT BOTTOM | LEFT BOTTOM | HCENTER BOTTOM | RIGHT VCENTER | RIGHT TOP | RIGHT VCENTER | HCENTER

18. Example: Using Graphics

19. THREADS

31. Thread States New Runnable Running Dead Waiting/ Blocking/ Sleeping

34. Example: Midlets and threads

35. HTTP CONNECTION IN MIDP

36. Basic Architecture Internet MIDP Device Web Server User requests information from an Application (e.g. MyServlet) Web server passes output from MyServlet back to the MIDlet Web Server launches MyServlet program and sends it parameters the MIDlet requested Web Server retrieves output from the MyServlet

40. Example: Midlet and HTTP-Connection