private void MSearch_TextChanged(object sender, Android.Text.TextChangedEventArgs e)
{
List <Friend> searchedFriend = (from friend in mFriends
where friend.FirstName.Contains(mSearch.Text, StringComparison.OrdinalIgnoreCase) ||
friend.LastName.Contains(mSearch.Text, StringComparison.OrdinalIgnoreCase)
select friend).ToList();
adapter = new FriendsAdapter(this, Resource.Layout.row_friend, searchedFriend);
mListView.Adapter = adapter;
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
mListView = FindViewById <ListView>(Resource.Id.listView);
mSearch = FindViewById <EditText>(Resource.Id.etSearch);
mContainer = FindViewById <LinearLayout>(Resource.Id.llContainer);
txtHeaderFirstName = FindViewById <TextView>(Resource.Id.txtHeaderFirstName);
txtHeaderFirstName.Click += TxtHeaderFirstName_Click;
txtHeaderLastName = FindViewById <TextView>(Resource.Id.txtHeaderLastName);
txtHeaderLastName.Click += TxtHeaderLastName_Click;
txtHeaderAge = FindViewById <TextView>(Resource.Id.txtHeaderAge);
txtHeaderAge.Click += TxtHeaderAge_Click;
txtHeaderGender = FindViewById <TextView>(Resource.Id.txtHeaderGender);
txtHeaderGender.Click += TxtHeaderGender_Click;
mSearch.Alpha = 0;
mContainer.BringToFront();
mSearch.TextChanged += MSearch_TextChanged;
mFriends = new List <Friend>
{
new Friend {
FirstName = "Bob", LastName = "Smith", Age = "33", Gender = "Male"
},
new Friend {
FirstName = "Tom", LastName = "Smith", Age = "45", Gender = "Male"
},
new Friend {
FirstName = "Julie", LastName = "Smith", Age = "2020", Gender = "Unknown"
},
new Friend {
FirstName = "Molly", LastName = "Smith", Age = "21", Gender = "Female"
},
new Friend {
FirstName = "Joe", LastName = "Lopez", Age = "22", Gender = "Male"
},
new Friend {
FirstName = "Ruth", LastName = "White", Age = "81", Gender = "Female"
},
new Friend {
FirstName = "Sally", LastName = "Johnson", Age = "54", Gender = "Female"
}
};
adapter = new FriendsAdapter(this, Resource.Layout.row_friend, mFriends);
mListView.Adapter = adapter;
}
private void TxtHeaderFirstName_Click(object sender, EventArgs e)
{
List <Friend> filter;
if (!mFirstNameAsc)
{
filter = (from friend in mFriends
orderby friend.FirstName select friend).ToList();
adapter = new FriendsAdapter(this, Resource.Layout.row_friend, filter);
mListView.Adapter = adapter;
}
else
{
filter = (from friend in mFriends
orderby friend.FirstName descending
select friend).ToList();
adapter = new FriendsAdapter(this, Resource.Layout.row_friend, filter);
mListView.Adapter = adapter;
}
mFirstNameAsc = !mFirstNameAsc;
}
