GroupHeaderTemplate, Header, and Footer not working in ListView
I used the example in the documentation at https://developer.xamarin.com/guides/cross-platform/xamarin-forms/user-interface/listview/customizing-list-appearance/ pretty much verbatim but I can't get...
View ArticleAre DataTemplates supposed to be so slow?
I am loading a DataTemplate on the fly when the user performs an action. Problem for me is I have what could be up to 100's of different templates based on different objects. These could be small...
View ArticleAdd TapGestureRecognizer to Custom Frame
Hi there. I have a problem when working with TapGestureRecognizer. I have a custom of Frame. Inside custom Frame i add a StackLayout ( inside this StackLayout have few controls ). My code as bellow :...
View ArticleIs there a bug in WinPhone (WinRT) - SearchBar?
I have a SearchBar defined in Xaml: In Android and Win Desktop the SearchText is correctly bound. In WinPhone (WinRT) SearchText is an empty string. Since the binding is working correctly in Android...
View ArticleImplement popup with Master Page
Hi all. I have a problem when implement popup in master page. I have a master page which have Master is a list menu, which include logout menu. When i click to logout menu, i want to display a popup on...
View ArticleBinding Command int Causes InvalidCastException
I am attempting to use a Command to invoke an operation but always get an invalid cast exception. I am clearly passing a valid number (55) as shown in my XAML: <Image Source="mybutton.png"...
View ArticleCustom Renderer for Video View [Android] w/ Rotation
Hello All, I'm looking for a bit of guidance or confirmation on a potential bug, I've exhausted all links on Google that I could find and have been spending a couple of days on this issue. Here's what...
View ArticleSound in WebView is still playing in the background
Problem: Push a new page with a WebView Play a video on the page (try Youtube) Pop the page Sound is still playing in the background Switch to a different app on the phone Sound is still playing in the...
View ArticleHow to not show separator/divider row between rows in a ListView()
Hi, I'm using Xamarin forms to show a ListView(), everything is working fine, but I cannot find out a solution to not show separator/divider row between rows in my ListView. Someone knows how to fix...
View ArticleListView binding to ObservableCollection does not update GUI
Hi Can anyone tell me why this simple code is not working as expected? Does the ListView control not listen for changes in the bound property? Expected: when I click the Add button, the GUI (ListView)...
View ArticleListView inside StackLayout: a height problem
In a ContentPage I have a ListView inside a StackLayout inside a ScrollView. The ListView is populated (ItemSource is set) in the ContentPage when OnAppearing gets called and I can see that the list is...
View ArticleBinding in a custom view/List
So i'm new like a lot of people to xamarin/mvvm but I try my best: I have this layout: https://gist.github.com/NeoDigi/ce4cfbabef1b8e2d9091 That can have children and the children will be charts:...
View ArticleSetBinding(SearchBar.TextProperty ,.. ) does not work ?
SearchBar s = new SearchBar() { Placeholder = "From Port Name", ClassId = "fromport" }; s.SetBinding(SearchBar.TextProperty, "FromPort"); Entry e = new Entry { }; e.SetBinding(Entry.TextProperty,...
View ArticleWhere to find '/data/anr/traces.txt'?
Hello, I'm testing a Xamarin.Forms app. When I get to the third page of my app, the app crashes and the console in Visual Studio reports to me: 12-15 10:39:28.265 I/art (14576): Wrote stack traces to...
View ArticleAndroid TabbedPage Appcompat-v7 - Unable to find resource ID #0x1
Anybody else getting the same exception when rotating an Android Device using the new Appcompat library? Im getting an Android.Content.Res.Resources.+NotFoundException with description: Unable to find...
View ArticleActivity Indicator when using Material Design and Forms
Hello, Since i changed to material design, the activity indicator stopped showing. I tested going back the theme and it worked again. Is there any workaround? Thanks
View ArticleHow do I implement an AccordeonControl inside GroupedListView?
I am fairly new to Xamarin.Forms and WPF in general. So currently there are no ViewModels in use, because I have just recently read about MVVM and will change it later on. I hope this doesn't make much...
View ArticleHow to render HTML string in webview which is again in listview?
Hi All, I had one doubt that is rendering html string in listview for each cell. actually I used webview in viewcell and binded html content to that. but the content not displayed How to resolve this?
View ArticleHow to design body for the below screen shot?
View Article