Change Android ActionBar Color
Hello, assumed due to uncertainity by poor documentation, the dark grey bar appearing on Android when pressing a ListViewItem ViewCell (ContextActions) is the ActionBar, how do I Change the Color?...
View ArticleSQLiteCommand.ExecuteNonQuery() Crash
I dont know how to start in this issue SQLiteCommand.ExecuteNonQuery() android.runtime.JavaProxyThrowable: System.AggregateException: A Task's exception(s) were not observed either by Waiting on the...
View ArticleHow to implement voice to text
I am working on a cross platform project and I would like to add simple speech to text into an entry element for user to comment by voice instead of typing. I do not know specifically yet which library...
View ArticleWith xaml compilation turned on, why do I get this runtime exception (that...
I turned on XAML compilation in my project. I needed to create a couple type converters to get the compilation to pass. Now, at runtime, while running InitializeComponent() for the first page, I get...
View Article(XAML Previewer for Xamarin.Forms) not show in visual studio
HI, I have visual studio 2015 with xamarin, I have updated to latest alpha version But when I look at xaml files, I don't see the preview option, how I can enable it? here is how my screen look like...
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LiveXAML - ability to develop your app in runtime
Hello, I had already posted here about two months ago. At the time, the name of my product was "Xamarin Forms Live" But due to branding issues I had to rename it to LiveXAML, which to me is an even...
View ArticleJava.LangNoSuchMethodError when trying to use getBluetoothLeAdvertiser
I am using Android.Bluetooth, and using Android.Bluetooth.LE; My API version is 7.1 in forms The phone is running 4.4.2 My class is: class BluetoothLEManager : Java.Lang.Object,...
View ArticleDisable gestures for Forms.Image
I have an Image with a mainly transparent bitmap lying on top of other forms-elements. This image is consuming all gestures although its set to IsEnabled=false. I want this Image to ignore all...
View ArticleNavigationPage in Xaml
Sorry for such a simple question. What is the structure for the NavigationPage in xaml? Among others, this is what I have tried. <?xml version="1.0" encoding="UTF-8" ?> <NavigationPage...
View ArticleIsVisible doesn't allow to be updated in propertyChanged
Hello the Xamarin community, Today I encounter a strange issue with Xamarin.Forms and the Android platform. This code: public static readonly BindableProperty IsHiddenProperty =...
View ArticleDisplay Binding in an Editor in a ListView
I am having an Issue where an Editor that I am binding to in my ListView is Binding correctly but it is not displaying the Binding property's value to the screen on the page's creation. I believe the...
View ArticlePlease create BackgroundTask sample for this Task?
Hi everybody! I have search on Internet about Xamarin.Forms background task, but it's a little hard for me? Could you please create a BackgroundTask sample for me, thank you! (include UWP, Android and...
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ListView BeginRefresh EndRefresh causes pointer to show on XF Android
I recently added ListView BeginRefresh and EndRefresh to resolve another bug. However now, an artifact is displayed on each item added to the ListView. Its like a finger touch or scroll white dot. It...
View ArticleSIGABRT while debugging async methods
These methods used to work fine, but iOS rejected our latest App version because an unspecified error. While debugging, they work fine, unless you go step by step after a breakpoint. After said methods...
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Slide one page above another
Hi, I have a problem that I can't figure out how to solve. I have a page and in the bottom of that it's a button that works like a "tab" of a read more page so when you click that button the "more page...
View ArticleToolbarItem icon
I'm trying to add a Icon to a toolbaritem but when i do, the app on android crashes with an unhandled exception. With only text it works like a charm. Working code snippet: ToolbarItems.Add(new...
View ArticleDatepicker: Possible to bind to Nullable date value?
Hi everybody! I have a nullable date field in my object and I want to bind a date picker to it. When the value is null, I would just want to show no value in the picker. Is this possible? I tried...
View ArticleLabel binding date without time or with valide time
I have a listview containing several label; One of them uses a DateTime. The date is displayed correctly, but also shows the time (00:00:00) In the XAML it is written (I can not reach it in the .cs...
View ArticleSample about SelectOnMap in Xamarin.Forms?
I have read Xamarin.Forms Document about map, but it's still hard for me! Anyone have a simple sample about SelectOnMap to get Lat/Longtitude in Xamarin.Forms (include UWP)! Thank you!
View ArticleTargeting .NET Standard
I read this article a while ago: https://blog.xamarin.com/net-standard-library-support-for-xamarin/ So, I converted all of our libraries from portable libraries to .NET Standard (1.4). I did this...
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