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Imagery Layer OSM coming as blank

I am using imagery Layer with OSM to plot markers, but the map is not rendering, just able to see the markers.

<maps:SfMaps x:Name="sfmap"  BackgroundColor="White">
                <maps:ImageryLayer LayerType="OSM">
                        <maps:MapMarkerSetting IconColor="Red" 
                                    IconSize="13" MarkerIcon="Diamond"/>
                        <maps:MapMarker  Label="United States" Latitude="40"
                                            Longitude= "-101"/>
                        <maps:MapMarker Label="Brazil" Latitude="-15.7833" 
                                            Longitude= "-52" />
                        <maps:MapMarker Label="Congo" Latitude="-1.6" 
                                            Longitude= "24.4" />
                        <maps:MapMarker Label="Kazakhstan" Latitude="49.9" 
                                            Longitude= "72.23" />
                        <maps:MapMarker Label="Australia" Latitude="-20.54"
                                            Longitude= "134.10" />

Also added the screenshot for reference.

Attachment: imageryLayer_47fccddb.zip

14 Replies

JL James Lavery January 6, 2020 08:05 PM UTC

I'm seeing the same thing. This is with an app which was previously successfully showing OSM maps on both Android and iOS.

I was using version - upgrading to hasn't fixed it.

This is using Xamarin.Forms

JL James Lavery January 6, 2020 10:49 PM UTC

Switching to Bing maps (having obtained a basic key) works. So it appears to be a problem only with OSM maps.

AN Anukriti January 7, 2020 03:46 AM UTC

Yeah, experiencing the same behavior. I had a completely functional app with OSM on Android but coming as blank now. And its working fine with Bing.

RA Rachel A Syncfusion Team January 7, 2020 01:37 PM UTC

Hi Anukriti, James, 
Greetings from Syncfusion. 
We are facing this problem because we are accessing the OSM server internally. So as of now you can access it from RequestTileUri event, as in the below code snippet. 
            <maps:ImageryLayer  RequestTileUri="ImageryLayer_RequestTileUri" LayerType="OSM"> 
  private void ImageryLayer_RequestTileUri(object sender, Syncfusion.SfMaps.XForms.TileUriArgs e) 
            var link = "http://a.tile.openstreetmap.org/" + e.ZoomLevel + "/" + e.X + "/" + e.Y + ".png"; 
            e.Uri = link; 
We will resolve this problem and include in upcoming weekly NuGet. 

JL James Lavery January 7, 2020 02:08 PM UTC

Thank you - I will try this and let you know if it fixes it.

AN Anukriti January 7, 2020 02:13 PM UTC

Thanks, the map is loading with this explicit call to tile server.

VR Vignesh Ramesh Syncfusion Team January 8, 2020 06:51 AM UTC

Hi Anukriti, James,  

We are glad that the provided workaround solution resolved the problem. As we have mentioned in our previous update, we will resolve this problem in our source and include in upcoming weekly NuGet which will be publish on 14th January 2020. 


AN Anukriti January 15, 2020 04:11 PM UTC

Hi Vignesh,

Any updates on this? Is the weekly release available now?

VR Vignesh Ramesh Syncfusion Team January 17, 2020 07:14 AM UTC

Hi Anukriti,  
We are glad to announce that our weekly NuGet was rolled out on 14th January 2020 and reported issue was resolved in the weekly NuGet. 
NuGet Version:
We thank you for your support and appreciate your patience in waiting for this release. Please get in touch with us if you would require any further assistance.  

GU Gurpal February 13, 2020 10:35 AM UTC

Hi we seem to still be experiencing issues with OSM map layers on Android with the latest Nuget installed. 
If the map appears it does so very slowly, often we are left with a blank (white or blue) screen. Map markers are being drawn onscreen though and tooltips also display correctly.
Also iOS does not suffer from these issues.
We have the same issue on device and simulator and internet connection and speed has been ruled out. 
This app with its map worked perfectly prior to Nov 2019 release. 

RS Ramya Soundar Rajan Syncfusion Team February 14, 2020 08:43 PM UTC

Hi Gurpal, 
We have tried to reproduce the reported issue. but we are afraid that we are not able to reproduce the issue at our end.  
So, could you please check the issue with the attached sample and let us know whether it is reproduced or not? If the issue was reproduced, please revert us by modifying the sample based on your application along with replication procedure like short video and configuration details, etc. This will be helpful for us to investigate further and provide you a better solution at the earliest. Please find the sample from the following location. 

PE Pascal Empl March 18, 2021 01:02 PM UTC


i used the example provided from Ramya.

No changes made to the example and tested it on an Android 7 device and iOS 14.4 simulator, on both devices there are only blank map tiles.

Updated the Xamarin.Forms to and Syncfusion.Xamarin.SfMaps to and tested again with both devices, again only blank map tiles.

In earlier SfMaps versions it worked with out problems.

It's very important that this problem gets fixed asap as it makes SfMaps unusable.

Kind regards,

SS Sridevi Sivakumar Syncfusion Team March 18, 2021 02:08 PM UTC

Hi Pascal Empl,

We have analyzed the reported query and we already noticed this issue and the issue occurred due to authentication problem while downloading the tile from OSM server.

We are working on this and the fix will be included in upcoming weekly NuGet (March-23,2021). 

Let us know if you need any further assistance.

Sridevi S. 

SS Sridevi Sivakumar Syncfusion Team March 23, 2021 02:34 PM UTC

Hi Pascal Emp,

We have fixed the reported “OSM map not render due to authentication problem " issue and the fix is included in our weekly NuGet of March 23, 2021.

NuGet Version:

We thank you for your support and appreciate your patience in waiting for this release. Please get in touch with us if you would require any further assistance.

Sridevi S.     

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