MIDP3.0, overview of a right Android rival

Slide 1: mobile media consult mobile goes web MIDP3.0 OVERVIEW What is new in MIDP3.0? • Enhanced LCDUI • LIBlets - Shared code between MIDlets • Concurrency - Execute more that one MIDlet at same time • Application and System Events • Inter MIDlet Communication - IMC • Application Level Access Control - APLAC • Screen Saver MIDlet • Auto Start & Controlling User actions on MIDlets • Provisioning Record Stores - OTA RMS 09 November 2007 www.mobilemediaconsult.com 1

Slide 2: mobile media consult mobile goes web MIDP3.0 OVERVIEW MIDP3.0 JSR 271 • Expert group formed in March 2005 • Expert Group Lead by Mike Milikich from Motorola • Over 100 members including: • Device Manufacturers • Network Operators • Application & Content Developers • VM Vendors 09 November 2007 www.mobilemediaconsult.com 2

Slide 3: mobile media consult mobile goes web MIDP3.0 OVERVIEW MIDP3.0 Release date • Final Approved Version Expected Q2-2008 09 November 2007 www.mobilemediaconsult.com 3

Slide 4: mobile media consult mobile goes web MIDP3.0 OVERVIEW MIDP3.0 LCDUI – High Level • Custom layout support: • Application controls Layout of items in a Form • Flow and Table Layout • Commands • Improved placement control • Sub – Commands • Icons • Tabbed Panes – each pane contains a Screen • Idle Item support • Image Item to support GIF / animated GIF 09 November 2007 www.mobilemediaconsult.com 4

Slide 5: mobile media consult mobile goes web MIDP3.0 OVERVIEW MIDP3.0 LCDUI – Low Level • Support for multiple Displays and orientations • Alpha blending • Image enhancements • Animated Images • Transparent mutable Images • Scaling and rotation • Application-provided Fonts • Splash screens 09 November 2007 www.mobilemediaconsult.com 5

Slide 6: mobile media consult mobile goes web MIDP3.0 OVERVIEW LIBlets • Shareable components that one or many midlets can use • Expose a set of API’s and resources that a MIDlet can use • Inert code and resource fragments that only execute within a MIDlet context. • Save static footprint size by preventing LIBlet code packaged in each MIDlet. • Potentially reduce download times for applications 09 November 2007 www.mobilemediaconsult.com 6

Slide 7: mobile media consult mobile goes web MIDP3.0 OVERVIEW LIBlets • LIBlet code does not execute by itself • LIBlet is executed in the MIDlet’s execution enviroment • A binding: act of loading a MIDlet with all associated LIBlets into a single execution enviroment. • Jars are all in the classpath 09 November 2007 www.mobilemediaconsult.com 7

Slide 8: mobile media consult mobile goes web MIDP3.0 OVERVIEW Concurrency • Multiple MIDlets: AMS provides a means to launch multiple applications • MIDlets in the background, not visible to the user • Auto Start MIDlets • Screen Saves MIDlets 09 November 2007 www.mobilemediaconsult.com 8

Slide 9: mobile media consult mobile goes web MIDP3.0 OVERVIEW Application and System Events • MIDlets can generate applicatino events • MIDlets can listen to System events • Battery • power on/off • idle event • Push registration on events: • Application launch on event • launch application on flip/close 09 November 2007 www.mobilemediaconsult.com 9

Slide 10: mobile media consult mobile goes web MIDP3.0 OVERVIEW Inter MIDlet Communication (IMC) • Communication between multiple running MIDlets • Low-level bi-directional stream connection within the device • GCF based – Connector.open(“imc://...”); • An IMC Server is created with a name, and the client tries to connect to this named service. MIDlet A MIDlet B IMCConnection IMCServerConnection 09 November 2007 www.mobilemediaconsult.com 10

Slide 11: mobile media consult mobile goes web MIDP3.0 OVERVIEW APLAC • Application Level Access Control (APLAC) • MIDlets interact via Events, IMC, RMS • Restrinct interactions based on • Domain • Signer • Vendor • E.g. Share a record store only with MIDlets that are developed by a specific Vendor 09 November 2007 www.mobilemediaconsult.com 11