...and this has what to do with development on android? On Wed, Sep 19, 2012 at 12:03 AM, David GESG <[email protected]> wrote: > Last weekend I planned a two hour driving trip away, where I knew that from > the departure point "A" for one hour's driving DID HAVE mobile network > access coverage, and that from the one hour driving point to the destination > point "B" DID NOT HAVE mobile network coverage. > > In my testing preparation for the trip I offline loaded the three map > sections that would cover the entire two hour drive, and before departing or > requesting the route calculation, I turned off ALL data connection on my > Samsung Galaxy S3, with Android version 4.0.4, so as to simulate what Google > maps would do with offline maps and no data connection. > > First problem: > > 1. Google Maps would not calculate the route, issuing a message saying that > it could not do so without a Data Connection. > > 2. Remedy - I turned on "data connection", allowed for the calculation of > the route, and then turned off "data connection" > > 3. Result - the Google Maps application correctly tracked the entire two > hour trip, with relatively few display faults, also maintaining all driving > prompts. This proved that the application would continue tracking using the > GPS signal alone, plotted against offline maps. Some of the display issues > were observed where it seemed that any turn of 90 degrees or more, would > cause the application to lose the satellite imaging to be lost, until we > were re-established back on a straight section of road. > > Second MAJOR problem: > > 1. Taking "First problem" above into account. Upon returning home, > therefore wanting to track from destination point "B" to the point of origin > "A", the application with a strong GPS signal but no mobile network, would > not calculate the route home. > > 2. We left the application running waiting to see what happened when we > reached the one hour driving point, from which point we knew there would be > mobile network coverage for the balaance of the trip home, and the > application never recovered from the error message "No Data Connection". > > 3. Remedy - we could only recover by stopping the application, restarting > it, and then with a "data connection" requesting routing of the balance of > the trip home. > > Warning to Users: > > Until Google looks at fixing this situation, users should be wary that if > they currently use offline maps to travel to areas where this is weak or no > data connection, that once they find themselves in an area with no data > connection, the application WILL NOT help you get anywhere else without you > firstly finding a data connection, despite you having taken the precaution > of loading offline maps to your Android. > > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en
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