Is it possible to hide a ToolbarItem?
If a ToolbarItem has been added to the Navigation bar, is it possible to conditionally hide/show it? Consider the use-case of showing a "Save" button when an Editor field is dirty, but hiding the...
View ArticleEntry value updated in VM but not in UI - Xamarin Forms
In my VM I am assigning value to CurrentItem.SecondValue when Toggle is checked it gets whatever value is entered in FirstValue Entry, but value is not getting updated in UI unless I refresh...
View ArticleDataTemplate with TemplateSelector - bind to parent command
Hi all I have a ListView with a TemplateSelector and two different DataTemplates (ViewCells). Behind the ListView is a ViewModel for the ConentPage with an ObservableCollection which contains some...
View ArticleXamarinforms NestedListView
Hi Can you please help me how to build listview with sub listview. Please give me some suggestion what is the correct way to achieve this?
View Articlewhy can I build my iOS project in windows ?
I knew I can't build Xamarin.iOS project on my windows machine, but it happened! I have a Xamarin.Forms project and when I build my application or my solution the output has not errors. How is it...
View ArticleScrollView ScrollToAsync resulting in blank screen on iOS
Background We have a page where we have a bound RepeaterView within a ScrollView. We're adding Questions to the bound collection as the user answers questions (the aim is to give a series of questions,...
View ArticleRipple effect in StackLayout or Grid after click
How to achieve an effect of smooth change of background color in StackLayout or Grid after the click? If we create a button it has this effect out of the box - I showed that in an attached gif. The...
View ArticleIs there any way to implement square card reader device api in xamarin forms ??
Hello, Please tell me is there any way or not to implement square card reader device api in xamarin forms for cross platform application ? Please help or any suggestions to go in right direction ?...
View ArticleHow to avoid showing keyboard when focusing EntryCell
Hi, I have a Xamarin.forms project, I have a page with an EntryCell control, I want to avoid showing the keyboard when the EntryCell gets the focus since it is for scanning barcode labels, how can I...
View ArticleFontFamily not working when using TextProperty binding
I seem to be experiencing a bug with FontFamily in Android. As long as the text ion my label is hard-coded in the label, my custom renderer renders the provided FontFamily just fine. However, if I have...
View ArticlePlatformEffect fails to attach?
I believe I am having trouble getting a PlatformEffect to attach. It appears that it is resolving but not attaching. Here is the PlatformEffect in an iOS library project named EffectTestLib.iOS: using...
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Search Query in SearchBar Working in IOS But Not in Android
I created a sample Pet List with a Search View at the very top. The Search View would help user filter results of the List. The implementation works in IOS but I get an error in Android. in IOS: in...
View ArticleBinding in custom Toolbar not working
I created a custom toolbarItem to be able to handle visibility after checking out other questions. I'm doing it based on this resource:...
View ArticleXamarin Live Player Keep crashing when adding an image to Button inside a...
Hi, Please help me to solve my problem. Xamarin live player keeps crashing when i add an image to button inside a master detail page expandable list view. Here is the xaml code And the xaml.cs public...
View ArticleXamarin form : Cannot access a disposed object :...
I have a list view contains image (FF Image Loading) and some labels. When i run my app it crashes meanwhile i've been using caching strategy : "RecycleElement" on list to prevent crash but it throws...
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Grid row height wrong for Image with AspectFit or AspectFill
I have been banging my head for a while trying to get this to work. Hopefully someone can help. I have a number of Grids inside a ListView. Everything looks good except the Image in the final Row. I...
View ArticleImage Flickering while setting the source
Hello There, This question has been asked multiple number of times. Using Xamarin Forms: I have an image that is updated every sec and I need to set the source to same .jpg image.Source = new...
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Attribute "vpiOrientation" already defined with incompatible format....
I am able to run my Xamarin.forms application on my iPhone device correctly, But when I try to load it in android it always give the following two errors. Can Anyone help me with this ?
View ArticleHow to hide scrollbar in listview in xamarin forms
Hi everyone, I want to hide listview scrollbar in my xamarin andorid and xamarin ios application's. I have searched many post's but only few post's are having the helpful that to not clear. Please...
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