Android grow LinearLayout using animation

Question

I am trying to use animation to make a layout appear on screen. The idea is that layout will start with height of 0 and grow to 100%.

I have real troubles with this and

Answer 1

Designing a growing linearlayout in android:

For the ones who are using Mono android of Xamarin:

make a folder anim under resources.

then add animation.xml in anim folder(grow_anim1)

in the activity class use this way:

(in my case I am using Fragment)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Util;
using Android.Views;
using Android.Widget;
using Android.Views.Animations;
namespace BehnoudAndroidApp {
    public class StartPageFragment : Fragment{
        public override View OnCreateView(LayoutInflater p0, ViewGroup p1, Bundle p2){
            var rootView = p0.Inflate(Resource.Layout.StartPageLayout, p1, false);

            LinearLayout menu1 = rootView.FindViewById(Resource.Id.linearlayout1);

            Animation animation1 = AnimationUtils.LoadAnimation(this.Activity, Resource.Animation.grow_anim1);

            animation1.Duration = 5000;

            menu1.Click += delegate { menu1.StartAnimation(animation1); };

            return rootView;
        }
    }
}