System.ObjectModel Warning Xamarin does not run on Android

Question

We are running the \'Welcome to Xamarin` example on Visual Studio Enterprise, using the latest Xamarin, in a Windows 8.1 environment.

We are managing to build and run on

Answer 1

Exercise 1 from GitHub https://github.com/XamarinUniversity/XAM135/ when opening has the same problem.

Based on the above solutions I resolved by performing the following steps:

1. Update the Nuget Package

2. Save, close and abire the solution

3. Click on the Portable (shared) project-> Referencias-> Donet in the copy properties of the path = "C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework.NETPortable\v4.5\Profile\Profile111"

4. Open Windows Explorer and paste the path = "C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework.NETPortable\v4.5\Profile\Profile111", here is the System.ObjectModel.dll file

5. Click on the Droid Project -> Referencias and REMOVE System.ObjectModel

6. Right click on References and Add references

7. Click the Browse button and open the path = "C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework.NETPortable\v4.5\Profile\Profile111"

8. Select System.ObjectModel.dll, and then click Add and OK

9. The reference was added successfully! Save, compile the project.

Here is a similiar solution