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Question

Presenting a walkway from position A to B in my app

Answer 1

+3 A:

To launch the native map app use:

NSString *googleMapsURL = [NSString stringWithFormat:@"http://maps.google.com/?saddr=%1.6f,%1.6f&amp;daddr=%1.6f,%1.6f",
                               start.latitude, start.longitude, destination.latitude, destination.longitude];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:googleMapsURL];

where start is the user location and destination is, well, the destination. For walking directions, you can add &dirflg=w (still in beta according to wiki). Here are some more parameters you can use.

Felixs 2010-08-27 20:37:27

Works like a charm, thanks, but I really would prefer to open the native map iPhone application, not open the Google API in the safari browser. But maybe the walkway part isn't so easily achieved there?

maralbjo 2010-08-30 08:04:13

That code should open in the native map application, and does for me.

Felixs 2010-08-30 11:07:33

My bad. Of course it opens in the native map app. Thanks for the perfect answer.

maralbjo 2010-08-30 20:15:00

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Presenting a walkway from position A to B in my app

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