On the smartphone GPS accuracy
As i started playing around Android programming, as soon I got the grip on the basic, I had go deep into "localization". So I had read a lot of manual pages, web pages and post about it. My first step was to create a class which allow me to select the best location provider, in several study case. So my mainly choice parameter were the requested accuracy, the status of the battery, and if I get the passive data then the age of the Location Object. Two fact drawing my attention: the passive provider , and the improve of precision of coordinates when the wi-fi was turned on. So I have investigate how it was work, and I found several blog article or post [2], which explain how it work, and support it by example on how happen when people relocate without changes ("relocate") theirs their's wi-fi hot spot: a catastrophic lack in accuracy of the Location. However in the last days I have had some spare time so I have tried to better understand the accurac...