PropertyChanged is not null although we don't subscribe any function to it....
I implement INotifyPropertyChanged and it works fine. There is something I don't understand though: PropertyChanged is a an event, which means it is a delegate. Before we invoke event/delegate we need...
View ArticleWindowSoftInputMode="Resize" SHELL issues
Hello, I have a login screen with two entry fields for email and password with a login button. I am using WindowSoftInputmode in android to make sure the entries are visible when the soft keyboard is...
View ArticleApp Crashes On IOS Start Up In PCL Xamarin
PCL Project Which Crashes after Splash Screen on IOS I have a try catch on IOS StartUpOn Main.cs try { UIApplication.Main(args, null, "AppDelegate"); } catch (System.Exception exception) {...
View ArticleIssue with app.EnterText for Android API 29 ONLY Xamarin.UITest
I have been having an issue with Xamarin.UITest after the application that I am working on was updated to the latest android version (API 29). This issue did not happen before the application updates...
View ArticlePost and Get Parameter In Webview
Hi, Anyone knows on how to post url with parameters to payment gateway using webview in xamarin page? And get method to process the response received from payment gateway? Thank you.
View ArticleHow to Hide button on Button click IsVisible property not works
I have to hide the button on button click and visible the other button on button click. But the IsVisible property not works. Please guide what is wrong and how to implement this? if...
View ArticleGoogle Drive API - Unable to list Folders
Using Google.Apis.Drive.v3 the following code is not extracting folders list, whatever I do. What could be wrong with my setup? It doesn't matter whether I use 'async' or otherwise, folders.Count is...
View ArticleWhat is the best approach to dynamically show/hide input controls
Hi there, I am a web developer getting into mobile development, so I'll do my best to make myself clear... I need to create a single page input form and would like to add dynamic displayed input...
View Article[Android] App Crashing while Page Navigation with error as...
When I am trying to move from one page to another page, the app is getting crashed with the below error. NavigationPageRenderer.UpdateToolbar () - System.NullReferenceException: Object reference not...
View Article[Android]Attempt to invoke virtual method 'void...
Hi All, After I have updated Xamarin.Forms version to 4.7.0.1080, I am facing the below crash. But, It is happening at times only. md5f92e0daf340890c9667469657ee2ece8.ButtonRenderer.onLayout...
View ArticleHow to highlight newly added item to CollectionView
I am using Xamarin forms.I have CollectionView in Xamarins showing List of Tickets.I want to highlight new rows whenever its inserted.Like flashing or blinking the row with red background say for 5...
View ArticleCan i publish my app from mac on cloud
Hello I have one simple questions can I publish my IOS app to app store using mac on cloud or i have to own Apple laptop https://portalv3.macincloud.com/#/plans/vsts
View ArticleHow to apply pagination in lisview using Xamarin forms cross platform?
How to apply pagination in lisview using Xamarin forms cross platform? Please help.I have searched on google but couldn't find the solution. Thanks in advance
View ArticleAndroid Binding after AndroidX migration
I'm having some issues with a library that I upgraded: https://github.com/SupernovaIC/OMFM I'm getting the following issue: 1>BINDINGSGENERATOR : warning BG8604: top ancestor OneMoreFabMenu not...
View ArticleHow to add Content files from referenced assembly in app bundle
I have Xamain.Mac project named MainApp (Xamarin Mac Full 4.8), which references the Class Library project named Lib (Net FW 4.8). The Lib project have the txt file ContentFile.txt with Build Action =...
View ArticleChange status bar colour on iOS13
Before iOS 13 I could change the status bar colour using the following bit of code: UIView statusBar = UIApplication.SharedApplication.ValueForKey(new NSString("statusBar")) as UIView; if...
View ArticleError in android url scheme
Hi I'm trying to make custom URL Scheme In Android When I create a new xamarin forms app and add this code to manifest <?xml version="1.0" encoding="utf-8"?> <manifest...
View ArticleHow to load local geojson value to draw and fill the layer in xamarin.ios...
NSData jsonData = NSData.FromString(Us_country_jsonSerialized, NSStringEncoding.UTF8); var shape = MGLShape.ShapeWithData(jsonData, 5, out err) as MGLShapeCollectionFeature; var source = new...
View ArticleOIDC Client Logout
I am following the example to authenticate a user by using this sample:https://github.com/IdentityModel/IdentityModel.OidcClient.Samples/tree/master/XamarinForms I have the login working, it...
View ArticleCant Access shared folder
Hi, Iam new to xamarin. I want to read the files from shared folder. From - access from android mobile To - PC (contains shared folder. ). Both this mobile and PC are in same wifi network. I am...
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