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Task:Brainstorm Java

Temporary entry to outline Brainstorm entry for Java support on Maemo 5 as result of discussion on t.m.o. Also see Java; this wiki entry is permanent and not related to Brainstorm.

[edit] Proposal 1: Java ME

[edit] Nokia buys Java ME royalities and lets SUN port it

• +) Official implementation, official support
• +) According to a member of the Java Runtime Team at Nokia, some work on this port has already been done.
• -) Probably quite expensive
• -) Closed license

[edit] Community ports PhoneME (more info)

• +) GPL
• -) No team as of yet
• -) Not "official", so no advertising of MIDP capability
• -) No info as to how complete this implementation is

[edit] Nokia or the community ports a Java SE implementation, and we use something like MicroEmu for ME compatibility

• +-) See above
• -) Might be a bit slower

[edit] Use the Google Android's Virtual Machine Dalvik

• +) Open source, fast, mobile phone optimized
• +) It would be great if the Maemo community could profit from all android apps.
• -) Google

[edit] Proposal 2: Java SE

[edit] Nokia buys Java SE embedded royalities and lets SUN port it

• +) Official implementation, official support
• -) Probably quite expensive
• -) Closed license

[edit] Community ports OpenJDK 6 JRE (more info)

• +) GPL
• +) OpenJDK Port of Cambridge Software Labs seems to work quite good on N900: OpenJDK 6.0_0 (Cambridge Software Labs) on N900
• -) No team as of yet
• -) Not "official", so no advertising
• -) No info as to how complete this implementation is

[edit] Community ports Jalimo

• +) GPL
• -) Not much activity lately
• -) No advertising, maybe incomplete

[edit] Community or Nokia builds Iced Tea

• ) This actually includes the Cambridge optimisations, so IcedTea supersedes "Community ports OpenJDK 6 JRE".
• +) Debian already has armel packages of this. Only repackage needed.
• +) The above repackage has been done and uploaded to extras-devel: http://talk.maemo.org/showthread.php?t=51871
• -) However, no hildonization. The Jalimo project has built good Hildonized SWT, which can be combined with this for good results.
• +) True GPL, no binary components
• -) No team so far
• -) No official advertising

[edit] Todo

Following is not taken into account in above proposals.

• ?) Compatibility of open source implementations with the official one. Certified YES/NO. If no, please link to what is missing.
• ?) Browser plugin is not covered in discussion.