Missing map!

by MartinM » Wed, 21 Apr 2010 18:39:57 GMT


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 I have a basic working GoogleMap app, which I've copied and made some
changes to. However, hardly any map is drawn, and I can't see why.
Otherwise the app works OK - if I Geo Fix the map moves (I lose the
map I have and just get white with grid, plus a green dot as expected)


Piccy at:    http://www.it-helps.co.uk/nomap.jpg 

I'm sure it's an obvious error, hopefully easy for you guys to spot ;)

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Missing map!

by Mark Murphy » Wed, 21 Apr 2010 18:53:48 GMT


 


That looks like an Internet connectivity issue. I run into that with the
Google Maps application if I try getting maps over EDGE instead of 3G or
WiFi. The fact that you are getting some tiles, just not all, means it
should not be a programming problem (unless you have some infinite loop
somewhere that is tying up the CPU).

-- 
Mark Murphy (a Commons Guy)
 http://commonsware.com  |  http://twitter.com/commonsguy 

_Beginning Android 2_ from Apress Now Available!

--


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Missing map!

by MartinM » Wed, 21 Apr 2010 19:31:31 GMT


 Thanks Mark - a sensible observation, but the original app works fine
still !

I've also had a script running on a remote server for a few hours that
is still OK, plus the internet connection is a very good one.

Maybe there is a problem somewhere on the net which will be OK later.






>



Missing map!

by MartinM » Wed, 21 Apr 2010 22:11:23 GMT


 OK, may be unrelated, but am also having problems with
geoCoder.getFromLocationName which thows 'Unable to parse response
from server'. Seems to be a common problem, but no solution found!
Could the cause of this be the cause of my map problems ?
I do get

04-21 14:00:21.287: ERROR/ActivityThread(5222): Failed to find
provider info for com.google.settings

which I'm not sure is relevant or not.



 protected GeoPoint GetPointFromAddress(String strAddress)
    {
      Geocoder geoCoder = new Geocoder(this, Locale.getDefault());
      try {
        List<Address> addresses = geoCoder.getFromLocationName(
                        strAddress, 5);
        if (addresses.size() > 0) {
            GeoPoint gp = new GeoPoint(
                    (int) (addresses.get(0).getLatitude() * 1E6),
                    (int) (addresses.get(0).getLongitude() * 1E6));
            return gp;
          }
      } catch (IOException e) {
          e.printStackTrace();
        }
      return null;
    }









> >



Missing map!

by MartinM » Wed, 21 Apr 2010 23:01:33 GMT


 Hmmm it appears my old apps don't work today. Initial map is OK, but
any movement results in white space, so no updates.

How can the initial map be OK if the google server isn't accessible?
Does it get cached somewhere (I have restarted the emulator and
Galilleo)








> > >



Missing map!

by Mark Murphy » Wed, 21 Apr 2010 23:06:49 GMT


 


Google Maps is a proprietary component, so we do not know much of the
details of how it works.

-- 
Mark Murphy (a Commons Guy)
 http://commonsware.com  |  http://twitter.com/commonsguy 

Android Training in US: 14-18 June 2010:  http://bignerdranch.com 

--



Missing map!

by MartinM » Fri, 23 Apr 2010 18:40:18 GMT


 All working fine today. Must've been a Google problem. Phew :)






>



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