protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.Main);
var recyclerView = FindViewById <RecyclerView>(Resource.Id.recyclerView1);
var layoutManager = new LinearLayoutManager(this);
recyclerView.SetLayoutManager(layoutManager);
var input = Assets.Open("Countries.json");
using (var streamReader = new StreamReader(input))
{
var content = streamReader.ReadToEnd();
countries = JsonConvert.DeserializeObject <List <Country> >(content)
.GroupBy(x => x.Name.First())
.Select(x => new List <object>()
{
x.Key.ToString()
}.Union(x))
.SelectMany(x => x)
.ToList();
adapter = new CountryAdapter(countries);
}
recyclerView.SetAdapter(adapter);
adapter.NotifyDataSetChanged();
var searchView = FindViewById <SearchView>(Resource.Id.sv_country);
searchView.QueryTextChange += delegate
{
adapter.Countries = countries.Where(x => x is Country ? ((Country)x).Name.Contains(searchView.Query) : x.ToString().Contains(searchView.Query))
.ToList <object>();;
recyclerView.SetAdapter(adapter);
};
}
