Developer's guides

This section provides in-depth instructions for using the Java APIs supported by the Series 40 and Symbian platforms. The instructions are organized into guides by area of technology. The guides provide introductions of the related APIs, instructions for using the APIs in MIDlets, and step-by-step tutorials for creating full example MIDlets.

• Application framework
• UI and graphics
  This section describes how to design user interfaces with the MIDP 2.1 (JSR-118) API and its extensions. The guide also provides links to several step-by-step guides to help you to build example MIDlets that demonstrate different aspects and capabilities of the various APIs you can use to design user interfaces and graphics/animation for applications.
• Multimedia
• Security
• Messaging
• Data handling
• Networking
  This section describes networking in MIDlets. The focus is on the Web Services, Bluetooth, and SIP APIs.
• Invoking applications
  This section describes how to launch applications from other MIDlets or external sources.
• Location services
• In-app purchase