Licencing and Threading

4/1/2012

I shall continue to use the English spelling for licence management, even though the Android APIs use the US spelling.

So the licence management code is integrated into PCDB SuDoku Solver, and appears to be working to the extent that I can test it without first publishing the app. However, it's thrown up some issues with my use of threading (and you can't write a serious Android app that doesn't use multi-threading) so I need to do a thorough overhaul of that. The issue is that I had assumed there is only one background thread, the one that solves puzzles. But there may be others, such as the licence handler callback, which need to fit into the same architecture. It should be sorted by checking specifically whether or not you're on the UI thread, rather than in a specific background thread. But there are bound to be other consequences. Need some detailed testing once this is sorted.

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Peter Wiles

Peter has been writing software since going up to Manchester University in 1965, the first year that the University offered Computer Science as a B.Sc course. After gaining a B.Sc and M.Sc in Computer Science, he joined the British company ICL (later renamed Fujitsu Services) and worked there for 36 years, initially as a designer working on the development of the VME mainframe operating system. Later years were spent as a Systems Architect specialising in large Government and private sector customers including the DTI, European Commission, MAV (Hungarian Railways), the UK Post Office and HM Revenue & Customs. He retired from Fujitsu in 2007 and has devoted much of his time since to developing software for his own use and, more recently, to make available via the Android marketplace. Some of this software is aimed at supporting his other principal interest, sailing and maintaining his Westerly Seahawk yacht which he has recently moved to Troon in the Firth of Clyde, Scotland.

Licencing and Threading

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Peter Wiles

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