using TINK.Model.Device; using Xamarin.Forms; [assembly: Dependency(typeof(TINK.Droid.Model.Device.Device))] namespace TINK.Droid.Model.Device { public class Device : IDevice { /// Gets unitque device identifier. /// Gets the identifies specifying device. public string GetIdentifier() { return Android.Provider.Settings.Secure.GetString(Forms.Context.ContentResolver, Android.Provider.Settings.Secure.AndroidId); } } }