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How to consume mobile map package in Xamarin.forms

MichaelMitchell1

Using the samples I can utilize a FeatureLayer but haven't been able to figure out how to load a mobile map package. Any suggestions?

Thanks

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Accepted answers

AlexanderNohe1

I see what you are asking. It is a static method so it would be something more like this:

_mappackage = await MobileMapPackage.OpenAsync("D:\\Source code\\Data\\Test.mmpk");

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MichaelMitchell1

            _mappackage = await OpenAsync("D:\\Source code\\Data\\Test.mmpk");
            var mapPackageUri = new Uri(_mappackage.Item.Url);
            var mapTable = new ServiceFeatureTable(mapPackageUri);
            var mapPackageFeatureLayer = new FeatureLayer(mapTable);
            myMap.OperationalLayers.Add(mapPackageFeatureLayer);

More specifically I'm not sure what to do for the OpenAsync method.

AlexanderNohe1

I don't understand your question. What do you mean you are not sure what to do?

This MSDN documentation may help better explain how await works:

await (C# Reference)

MichaelMitchell1

I'll dig into that a bit more because I'm sure this stems from my lack of experience in c# and Xamarin. In my bit of code above I get the error that OpenAsync does not exist in the current context. I'm not sure if I need to import something else or if I need to define OpenAsync myself.

MichaelMitchell1

I'm working off of the Xamarin.Forms api found at (MobileMapPackage.OpenAsync Method )

AlexanderNohe1

I see what you are asking. It is a static method so it would be something more like this:

_mappackage = await MobileMapPackage.OpenAsync("D:\\Source code\\Data\\Test.mmpk");

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