How to compare date and time picker returned arguments with DateTime.utcNow...
I am creating a forms app where user enters values and submits them to a list. Each value is submitted to the list along with the date and time of submission using "note.Date = DateTime.UtcNow;" The...
View Articlehow to sync data using REST web services in xamarin forms
Hye.. anyone know sample code or sample apps that show how to sync data from mobile apps to server using REST.
View ArticleClik here to view.
Bindable Grid in Xamarin.Forms
Hello! I'm creating a small 2048 clone to practise Xamarin.Forms with MVVM, and I've got a trouble with binding a Row and Column of each square to Grid. Currently I'm using this ItemsControl: https...
View ArticleChange a source of image in a controltemplate
Hi everyone, I'm starting with Xamarin and I didn't find how to change a source of image in controltemplate. I want to change the image when the Wi-Fi state change. I didn't use the MVVM model. I...
View ArticleIs there a tool that converts UWP/Windows 10 XAML to Xamarin Forms XAML?
I have developed some apps that run on UWP. Now I want to convert them to Xamarin Forms since Windows 10 mobile is pretty much dead. As far as I know there are quite a lot of differences between...
View ArticleSet a Picker.SelectedItem on page startup
I have this piece of code <Picker x:Name="CategoryPicker" ItemsSource="{Binding Categories, Mode=TwoWay}" SelectedItem="{Binding Path= RequestItem.Category, Mode=TwoWay}"...
View ArticleZip Extraction code not working for Android in xamarin forms
I am using below code for extraction in xamarin forms using (ZipArchive archive = ZipFile.OpenRead("Zip file path")) { foreach (ZipArchiveEntry entry in archive.Entries) { var pathToInstall =...
View ArticleIncompatible iOS versions 12.4 12.8
Ive got VS 2017 (15.9.11) running on my win 10 pc and have been happily connecting with a mac which has VS recently I upgraded the Mac to a machine which could run Mojave and therefore latest ver of...
View ArticleXamarin.Forms XAML Share and Preview
Hello, We have just released our little tool to test, share and preview Xamarin.Forms XAML: https://xamin.azurewebsites.net You can write the XAML/CSS and preview it on the Android app, live, without...
View ArticleHow to load Xamarin Forms in Android after calling SetContentView?
When I render a custom Android page with SetContentView and then want to load a Xamarin Forms App (e.g. LoadApplication(new App());) nothing happens. The debug prints a lot of lines but no error. Has...
View ArticleHow can I make UWP ListView not reset scroll to top on...
On UWP: When my collection sends a CollectionChanged(NotifyCollectionChangedAction.Remove), the ListView scrolls back up to the top of the list. Is there a way to make the scroll position stay the same...
View ArticleiOS Project AdMob Compile With APMMeasurement MT5210 Undefined Symbol
I am working in Visual Studio 2019 on my Mac and allowed it to update Xamarin.Forms to 3.6.0.293080. I followed the directions at...
View ArticleCamera Plugin.Media.Abstractions.StoreCameraMediaOptions always rotated...
var file = await CrossMedia.Current.TakePhotoAsync(new Plugin.Media.Abstractions.StoreCameraMediaOptions { SaveToAlbum = true, SaveMetaData = true, Directory = "", MaxWidthHeight = 1500,...
View ArticleProvisioning File is not displayed within Bundle Signing in VS 17
Hi, I'm driving crazy. Currently I'm developing an app with Xamarin.Forms and try to deploy my app to my targets and testers targets for development. First, I created a certificate on developer.apple...
View ArticlemacOS High Sierra and XCode 10.2 - A silent coup de grâce from Apple
Hi guys, I am quite frustrated at the moment.. why? Because I updated the Visual Studio for Mac on my Macbook Pro Early 2011 15" that cannot support Mojave and guess what? It keeps saying, this version...
View ArticleDynamic font size for Xamarin Forms ?
How to set the dynamic font size for different IOS mobiles in xamarin forms design code?
View ArticleXamarin.Plugin.FilePicker Not working on android 9
Hi, I have been trying to implement cross platform xamarin forms file picker and i'm experiencing pdf, docx or doc file picker issues. i used the code below and noticed that it only works when i pick...
View ArticleBLE characteristic Notification received only once in iOS works fine for android
Am using BluetoothLe nuget by Aritchie for communication between a forms app and a external chip. As the data was too large tried sending it in packets using the same characteristic notification. For...
View ArticleStackOverflowError on Android
The same application works fine on Windows Phone, but throws error on Android. Stack overflow on call to interp (req=68 top=0x56c51000 cur=0x56c4d33c size=16384 Ljava/lang/ref/FinalizerReference;.add)...
View ArticleAdd some Xamarin Forms UI in a WPF application
We have a large WPF application that we are planning to move to Xamarin Form to be able to cross-platform. But this will need time.... In the meantime, we would like to develop all the new UIs in...
View Article