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Error getting default parameters: Cannot call this method in this context

SamerAbraham

Hello

I'm calling the route service from iOS as follows:

let routeTask = AGSRouteTask(url: URL(string: "https://route.arcgis.com/arcgis/rest/services/World/Route/NAServer/Route_World")!)

</CODE></P><P><CODE>routeTask.defaultRouteParameters { [weak self] (defaultParameters, error) in guard error == nil else {

print("Error getting default parameters: \(error!.localizedDescription)")

return

}

I keep hitting the error condition with Error Code 15 stating "Error getting default parameters: Cannot call this method in this context".

Anyone have any leads on what might cause this?

Thanks

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Nicholas-Furness

That's the right URL. Should just work (I can't reproduce it here).

Is your routeTask going out of scope for some reason?

And which version of the Runtime SDK are you using?

PhilipGruenler

Are you providing a credential to the routeTask or logging in when prompted? The world routing service is a paid service and requires a login.

SamerAbraham

Yes I was using my keys.

SamerAbraham

It's 100.4. I can't get it to work.

SamerAbraham

For some reason I don't see the post but I saw an email where someone asked me if the routeTask was a class level or method level variable. It is class level per the example I saw.

SamerAbraham

I should also say that that would be a terrible error message for missing creds or payment info. Since it's iOS this is how the example shows you to handle sign in at the AppDelegate:

private func setupOAuthManager() {

let config = AGSOAuthConfiguration(portalURL: nil, clientID: AppConfiguration.clientID, redirectURL: "\(AppConfiguration.urlScheme)://\(AppConfiguration.urlAuthPath)")

AGSAuthenticationManager.shared().oAuthConfigurations.add(config)

AGSAuthenticationManager.shared().credentialCache.enableAutoSyncToKeychain(withIdentifier: AppConfiguration.keychainIdentifier, accessGroup: nil, acrossDevices: false)

}

Once you do that you get a sign in page so I signed in using my id.

Nicholas-Furness

Comment out the line AGSAuthenticationManager.shared().oAuthConfigurations.add(config).

Then when you call routeTask.defaultRouteParameters you should be prompted with an alert box for your credentials instead. If you enter your credentials (it should be a free developer account or an ArcGIS Online organizational account, not a personal account), you'll be fine.

I think there may be one of two things going on:

1. You're using a personal Esri account OR

2. There's an issue with how your app's OAuth configuration is being defined. But if you're entering your credentials through the OAuth page and control returns to your app, that doesn't seem likely to be the case.

If it turns out to be 1) above, yes, I agree, that error message is not good and we'll have to improve that.

Let me know if this helps.

Nicholas-Furness

I think that was my original reply above, which I edited to be more explicit/correct.

Nicholas-Furness

Hi Samer Abraham. Were you able to make any progress? Was it the type of account that you were using?

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