public StackLayout CreateScrollableFeedView(List <PostItemStackLayout> PostsContent, string placeholder, string scopeName, string groupid = null)
{
StackLayout stack = new StackLayout();
if (PostsContent != null && PostsContent.Count > 0)
{
Debug.WriteLine("Posts found");
feedPosts = Util.CreateFeed(PostsContent);
ScrollFeed = new ScrollView {
Content = feedPosts
};
refreshView = new PullToRefreshLayout {
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
Content = ScrollFeed,
RefreshColor = Color.FromHex("#3498db"),
IsPullToRefreshEnabled = true
};
refreshView.SetBinding(PullToRefreshLayout.IsRefreshingProperty, new Xamarin.Forms.Binding()
{
Path = "IsBusy", Mode = BindingMode.OneWay
});
refreshView.SetBinding(PullToRefreshLayout.RefreshCommandProperty, new Xamarin.Forms.Binding()
{
Path = "RefreshCommand"
});
stack = new StackLayout {
Orientation = StackOrientation.Vertical,
Children = { refreshView }
};
}
else
{
Label NoPostsLabel = new Label {
Text = "Be the first to start this secret file!",
TextColor = Color.Silver,
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label)),
VerticalOptions = LayoutOptions.Fill,
HorizontalOptions = LayoutOptions.Fill
};
refreshView = new PullToRefreshLayout {
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
Content = NoPostsLabel,
RefreshColor = Color.FromHex("#3498db"),
IsPullToRefreshEnabled = true
};
stack = new StackLayout {
Orientation = StackOrientation.Vertical,
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children =
{
refreshView
}
};
}
return(UIBuilder.AddFloatingActionButtonToStackLayout(stack, "ic_add_white_24dp.png", new Command(async() => {
Navigation.PushAsync(new CreatePostPage(refreshHandler, "Add a Secret to " + this.Title, groupname, groupid));
}), Color.FromHex(Values.PURPLE), Color.FromHex(Values.GOOGLEBLUE)));
}
async void CreateView()
{
this.BackgroundColor = Color.White;
Title = "Groups";
SubscribeToRefreshListener();
CreateGroup = new ToolbarItem("Add", "ic_group_add_white_24dp.png", async() => {
await Navigation.PushAsync(new CreateNewGroupPage());
});
//this.ToolbarItems.Add (CreateGroup);
//setup list of groups that allows for pull-to-refresh functionality
listView = new ListView();
if (App.GroupsContent != null)
{
listView.ItemsSource = App.GroupsContent;
}
listView.IsPullToRefreshEnabled = true;
listView.RefreshCommand = RefreshCommand;
listView.SetBinding(ListView.IsRefreshingProperty, new Xamarin.Forms.Binding()
{
Path = "IsBusy", Mode = BindingMode.OneWay
});
//IsBusy = false;
groupCell = new DataTemplate(() => {
return(new ContextImageCell(this));
});
groupCell.SetBinding(ContextImageCell.TextProperty, new Xamarin.Forms.Binding()
{
Path = "groupName"
});
groupCell.SetBinding(ContextImageCell.DetailProperty, new Xamarin.Forms.Binding()
{
Path = "groupDesc"
});
groupCell.SetBinding(ContextImageCell.ImageSourceProperty, new Xamarin.Forms.Binding()
{
Path = "groupImage"
});
listView.ItemTemplate = groupCell;
listView.ItemSelected += async(sender, e) => {
if (e.SelectedItem == null)
{
return;
}
GroupSelected = (GroupItem)e.SelectedItem;
await Navigation.PushAsync(new GroupFeed(GroupSelected.groupName, GroupSelected.ID));
((ListView)sender).SelectedItem = null;
};
searchBar = Util.CreateSearchBar(this);
var stack = new StackLayout {
Orientation = StackOrientation.Vertical,
Padding = new Thickness(0, 0, 0, 15),
Children =
{
Util.CreateSeparator(Color.Gray, 1),
searchBar,
listView
}
};
Content = UIBuilder.AddFloatingActionButtonToStackLayout(stack, "ic_add_white_24dp.png", new Command(async() => {
await Navigation.PushAsync(new CreateNewGroupPage());
}), Color.FromHex(Values.GOOGLEBLUE), Color.FromHex(Values.PURPLE));
ExecuteRefreshCommand();
}