Extension method Cast for <see cref="Java.Lang.Object"/>.

JavaLangObject+Cast.cs

using Java.Lang;

namespace App.Droid.Extensions
{
    /// <summary>
    /// Extension method Cast for <see cref="Java.Lang.Object"/>.
    /// </summary>
    /// <seealso cref="https://stackoverflow.com/questions/6594250/type-cast-from-java-lang-object-to-native-clr-type-in-monodroid"/>
    public static class JavaLangObject_Cast
    {
        /// <summary>
        /// Cast a Java Object to the CLR C# object instance.
        /// Extract the wrapped object inside the java one.
        /// </summary>
        /// <param name="this"></param>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        public static T Cast<T>(this Object @this) where T : class
        {
            var propertyInfo = @this.GetType().GetProperty("Instance");
            return propertyInfo == null ? null : propertyInfo.GetValue(@this, null) as T;
        }
    }
}