protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.ListView> e)
{
base.OnElementChanged(e);
if (e.OldElement != null)
{
// Unsubscribe
}
if (e.NewElement != null)
{
fListView = e.NewElement as FListView;
uiTableView = Control;
//Control.AllowsSelection = false;
uiTableView.AllowsMultipleSelection = true;
uiTableView.Delegate = new FListViewDelegate(fListView);
longPressGesture = new UILongPressGestureRecognizer(ItemLongPress);
var obj = this;
var d = ViewController;
string s = string.Empty;
}
}
private void FlyImages_Click(object sender, EventArgs e)
{
bool isSelected = FListView.IsSelectedItem(Position);
var setRightOut = (AnimatorSet)AnimatorInflater.LoadAnimator(Context, Resource.Animator.right_out);
var setLeftIn = (AnimatorSet)AnimatorInflater.LoadAnimator(Context, Resource.Animator.left_in);
if (!isSelected)
{
setRightOut.SetTarget(ImgUser);
setLeftIn.SetTarget(ImgBack);
setRightOut.Start();
setLeftIn.Start();
//this.SetBackgroundColor(Android.Graphics.Color.AliceBlue);
FListView.MarkItemAsSelected(Position, true);
}
else
{
setRightOut.SetTarget(ImgBack);
setLeftIn.SetTarget(ImgUser);
setRightOut.Start();
setLeftIn.Start();
//this.SetBackgroundColor(Android.Graphics.Color.White);
FListView.MarkItemAsSelected(Position, false);
}
FListView.UpdateActionModeDroid();
}
protected override AView GetCellCore(Cell item, AView convertView, ViewGroup parent, Context context)
{
var xfNotificationCell = (XFNotificationViewCell)item;
AListView listView = parent as AListView;
FListView fListView = item.Parent as FListView;
cell = convertView as NotificationViewCellDroid;
if (cell == null)
{
cell = new NotificationViewCellDroid(context, xfNotificationCell, fListView, listView);
}
else
{
cell.XFNotificationCell.PropertyChanged -= OnNativeCellPropertyChanged;
cell.Position = listView.GetPositionForView(cell);
}
xfNotificationCell.PropertyChanged += OnNativeCellPropertyChanged;
cell.Position = (fListView.ItemsSource as IList).IndexOf(xfNotificationCell.Person);
cell.UpdateCell(xfNotificationCell);
return(cell);
}
public NotificationViewCellDroid(Context context, XFNotificationViewCell cell, FListView fListView, AListView listView) : base(context)
{
XFNotificationCell = cell;
FListView = fListView;
AListView = listView;
var view = (context as Activity).LayoutInflater.Inflate(Resource.Layout.NotificationItem, null);
//Get views to each control ItemTemplate
TxtName = view.FindViewById <TextView>(Resource.Id.txtName);
TxtAge = view.FindViewById <TextView>(Resource.Id.txtAge);
ImgUser = view.FindViewById <ImageView>(Resource.Id.imgUser);
ImgBack = view.FindViewById <ImageView>(Resource.Id.imgBack);
FlyImages = view.FindViewById <FrameLayout>(Resource.Id.flyImages);
FlyImages.Click += FlyImages_Click;
float scale = (context as Activity).Resources.DisplayMetrics.Density;
FlyImages.SetCameraDistance(8000 * scale);
AddView(view);
}
public void UpdateCell(XFNotificationViewCell cell)
{
Person person = cell.Person;
TxtName.Text = person.Name;
TxtAge.Text = person.Age.ToString();
// Dispose of the old image
if (ImgUser.Drawable != null)
{
using (var image = ImgUser.Drawable as BitmapDrawable)
{
if (image != null)
{
if (image.Bitmap != null)
{
image.Bitmap.Dispose();
}
}
}
}
if (FListView.IsSelectedItem(Position))
{
ImgUser.Alpha = 0;
ImgBack.Alpha = 1;
//this.SetBackgroundColor(Android.Graphics.Color.AliceBlue);
//FlyImages_Click(FlyImages, EventArgs.Empty);
}
else
{
ImgUser.Alpha = 1;
ImgBack.Alpha = 0;
//this.SetBackgroundColor(Android.Graphics.Color.White);
//FlyImages_Click(FlyImages, EventArgs.Empty);
}
SetImage(person.ImageUrl);
}
protected override void OnElementChanged(ElementChangedEventArgs <XFListView> e)
{
base.OnElementChanged(e);
if (e.OldElement != null)
{
// unsubscribe
//Only enable hardware accelleration on lollipop
if ((int)Build.VERSION.SdkInt < 21)
{
SetLayerType(LayerType.Software, null);
}
}
if (e.NewElement != null)
{
// Configure the native control and subscribe to event handlers
fListView = Element as FListView;
nativeListView = Control as NListView;
if (fListView.MultiSelect)
{
//1º
//nativeListView.ChoiceMode = ChoiceMode.MultipleModal;
//nativeListView.SetMultiChoiceModeListener(new MultiChoiceModeListener(Context, nativeListView, fListView));
//2º
nativeListView.ItemClick += NativeListView_ItemClick;
nativeListView.ItemLongClick += NativeListView_ItemLongClick;
fListView.OnUpdateActionModeDroid += FListView_OnUpdateActionModeDroid;
//ActionMode = new ActionMode();
//((Activity)Context).StartActionMode(new ActionModeCustom(Context, fListView));
Toast.MakeText(Context, "Multiselect ListView activated !", ToastLength.Short).Show();
}
}
}
public FListViewDelegate(FListView fListView)
{
FListView = fListView;
}
public MultiChoiceModeListener(Context context, NListView nativeListView, FListView fListView)
{
Context = context;
FListView = fListView;
NativeListView = nativeListView;
}
public ActionModeCustom(Context context, FListView fListView)
{
Context = context;
FListView = fListView;
}