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EXception Cannot access a disposed object. Object name:...
I'm Getting the Following Exception in XAMARIN FORMS. this Exception Raised on Android Device, Working Fine in IOS [MonoDroid] UNHANDLED EXCEPTION: [MonoDroid] System.ObjectDisposedException: Cannot...
View ArticleDate splitter like in Viber
Hello, I'm trying to write messanger. I'm using ListView control to display ObservableCollection. Messages are already sorted by date How to implement "date splitter" in ListView like in Viber (Today,...
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App won't run on Physical iOS Device
I have an app that I am developing I have gotten android to work exactly how I want it to and I got a simulated iOS version working perfectly as well, but when I try and test run the app on a physical...
View ArticleHow to access contact list from mobile using xamarin forms?
Is there any plugin to access contact list? The scenario is :single button on click of which i should get list of contacts ,, on click of particular contact it should added to group exactly similar to...
View ArticleHow to get Wifi signal level (Android only is ok)?
Hi, I enumerated all available wifi networks via .ScanResults along with signal level. Now I want to get signal level again for a particular network from this list w/o reading it again. How can get it?...
View Article[Android] Request event support back button press inside navigation bar in...
In Android, like iOS, i use back button press for synchronize view - viewModel. In Android, i use FormsApplicationActivity class and i override OnOptionsItemSelected method for calling physical method...
View ArticleWhat is the font size unit in xamarin forms
I do not have clarity on font size unit in Xamarin forms. What unit is used by Xamarin Forms on Android and iOS? I want to set scaled font size in numeric not string that is provided by Xamarin Forms...
View ArticleHow to find the cause of: Xamarin.Forms targets have been imported multiple...
I'm working my way thru the book "Creating Mobile Apps with Xamarin Forms" and a lot of the sample code requires some work to get it running, which is all very educational and helps me learn and...
View Articlewhy doesn't my SQlite database work?
Hi. I am new using SQLite and with my first project using SQLite i get a lot of errors . I searched a lot and couldn't find an answer. I am using Xamrin Forms and I have installed sql-net-pcl already...
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nuget package install error "MonoAndroid ,Version=v6.0 " and ".NetPortable,...
how can i solve this Colud not install any nuget package.Try to set you project target for MonoAndroid , version=v6.0 and _.NetPortable version=v4.0_
View ArticleXamarin Forms Maps and new Google Maps Policies.
Does anyone know how the new Google Maps policies will affect Xamarin Maps? If I want to show a Map in my app, should I pay every time someone sees it? Does Xamarin Essentials Geolocation and Geocoding...
View ArticleConditional compilation symbols access from XAML file?
Is it possible to access conditional compilation symbols from XAML? I know that I can do things in code behind, but I want know if it is possible to do it from XAML. I need to show an Entry or a Picker...
View ArticleAccessing SQLite database form Xamarin forms using the Mono.data.sqlite APIs?...
Hi, I want to access SQLite using the Mono.data.sqlite API from my Xamarin forms application. The Xamarin.Android documentation says "Add reference to Mono.data.sqlite" but what am I supposed to do in...
View ArticleHow do I animate image on image click
Does anyone know how to animate inside a event handler for an image? I used the following code to associate a event to the image: var tapImage = new TapGestureRecognizer(); tapImage.Tapped +=...
View ArticlerequestLayout() improperly called by
Immediately after I add an object to a list I get the following error: 08-23 20:58:24.574 W/View ( 4164): requestLayout() improperly called by...
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Scrollable page containing Listview
Hi guys, im currently creating an canteen menu app where with a page where you have a Title with and logo image .. canteen picker then a telerik tabview that contains a dailymenu listview and a...
View ArticleCan I move a list to the back?
I currently have different DataTemplates in use. For a good looking Layout I have positioned them accordingly. Unfortunately a list with a huge margin value is in front of my Entry. Therefore the Entry...
View ArticleHow can I make a property change from a different xaml Page with the use of...
I'm newbie in MVVM . I have two xaml pages. the second one cannot be accessed ( Locked ) unless the button from the first page (Introduction page) has been clicked. How can I do that? The lock page has...
View ArticleHow to set Font Size Medium in a Picker Renderer?
How to set Picker Font size as Medium in PickerRenderer in Xamnarin forms? Here is my Android Renderer: public class PickerRender : PickerRenderer { protected override void...
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