How to use C# Markup with a CollectionView?
I was checking out how to use the new C# Markup functionality in my Xamarin.Forms app and I tried to implement it in a list. However upon checking the documentation, I couldn't find an example on how...
View ArticleRadioButton does not work in Xamarin Forms
Here is my code snippet in a Xamarin xaml form: <StackLayout Grid.Row="5" Orientation="Horizontal"> <Label Text="Gender" FontSize="Small" /> <RadioButton Text="Male"/>...
View ArticleIs there a way to determine if you are on the Main thread?
In Windows Forms, all controls had an InvokeRequired property that returned true if the current thread was not the UI thread. This allowed a boilerplate pattern for ensuring a method that could be...
View ArticleSet Visual as Material in a CustomEntry
I am using a custom Entry for hiding the underline. But how i can also set visual as material? public class MyEntry : Entry { } [assembly: ExportRenderer(typeof(MyEntry), typeof(MyEntryRenderer))]...
View ArticleHow can I prevent Xamarin Forms webview “webpage not available” page
I use XF webview and check the connection status, when the connection is broken, I want to prevent the error page and keep it on that page. Is this possible?
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How to implement a complex slider in xamarin.forms
Hi, I have a design that im trying to implement, and part of the design is this slider: the user interraction should be disabled for it. The yellow thumb should be set to a value from a remote query....
View ArticleXamarin Forms and DropBox - get " Bad HTTP Content-Type" error when...
Hi all, I was sure I'd posted this question to the forums already but my profile does not show any questions having been posted so I'm trying again. Ok, so I have an existing Winsdows10 UWP app called...
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publishing xamarin android app (unfortunately , has stopped) android 4.4 kitkat
hello guys i got this message after i release the version although if i debug that one at visual it works fine and as release from visual too it works fine works at android 10 and 7 too fine my minimum...
View ArticleScreenshot location on Android emulator (Windows+ Visual Studio 19)
Hi folks! I can not find the screenshot location for my Android emulator on Visual Studio (Windows). So how do I get the screenshots? Thanks in advance! BR Janos
View ArticleThe HeightRequest or FontSize to android height or fontsize?
When I set the HeightRequestI can do this: <StackLayout HeightRequest="44"></StackLayout> but If the android is 44dp what show I set ? if the android font-size is 22sp. how to set the...
View Articlehow to set the font weight?
I want to set the font-weight to Mediumof a Label. I search the forums that I should set Font="Medium,22" but there is no such property . what should I do?
View ArticleGetting "Remote server returned an error: (403) forbidden" on Twitter auth...
//Twitter with OAuth1 var auth = new OAuth1Authenticator( consumerKey: "using twitter Consumer API keys", consumerSecret: "using twitter Consumer API secret keys", requestTokenUrl: new...
View ArticleBarcode Scanner / Reader in Xamarin Forms ?
Hi, I have used Zxing.Net.Mobile for barcode scanning . But I found when using with MVVM pattern & scanner view page, performance & result is not good. Any tips to improve the performance or...
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How to make sapce in TabbedPage on top?
Hi, I'm trying to make space in TabbedPage on top. I created CustomTabbedPageRendererCS. But i don't know how do i coding. public class CustomTabbedPageRenderer : TabbedPageRenderer { protected...
View ArticleImages not loading on localhost SSL...
Hi i am running dot net core on localhost with self-signed certificate for development. I've followed this...
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Apple reject my app "developer rejected"
Hello I was struggling to upload my app in the past 3 months but i had no luck , i got to contact with apple developer and he told me few things to change after i did the update and uplode it i got...
View ArticleHow to prevent firing of event multiple times on rapid click of a button in...
How can I avoid invoking of the same event multiple times when a button is clicked rapidly. Below is the code: I've created a Custom Delegate Command as below View Model namespace...
View ArticleAd-version with the possibility to "upgrade"
Hello Is there a sample available how to use Ads but with the possibility zo upgrade to a "non-ad-version" within the same app? Do I have to do this with In-App-Purchases? Thanks Dominik
View ArticleHow can I run a service from the Boot?
I need to run a service when the phone is Off and then you turn it On
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