How do I dynamically update a list of online users in my signalr-based app?
Heyo, newbie to Xamarin.Forms, and among all my searching I cannot seem to find an answer to this (seemingly) simple question... How do I show a list of online users of my service, and update that list...
View ArticlePicker - Binding Context
Currently have a picker that won't display the list of items that are bound to it. I have a ListView that is using the exact same binding, and it displays the list no problems at all. Code below:...
View ArticleEditor not sizing properly
I would like the Editor to autoSize and display the whole text. What happens now is when I display a large text in the editor (Lorem Ipsum....) the editor displays only 1 or 1 and a half line and I...
View ArticleXamarin.Forms iOS change Navigation Back text
The iOS has navigation back button behaviour is kind of strange: By default is displays the title of the previous page, but if the title of the current page is to long it displays "Back", no matter...
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How to display popup by clicking item in listview?
I want to achieve something like given in screen below can anyone please suggest or guide how to implement same thanks in advance
View ArticlePicker MVVM Two Picker has data relative using Binding
I have a model like this ( City.cs in Modle folder) public class City { public int Key { get; set; } public string Name { get; set; } public List<string> Regions { get; set; } public City() {...
View ArticleUpdate ListView XAML Programmatically
I am trying to update a ListView's ViewCell using C# code. Basically I want to Iterate through the listview and change the visibility of certain things within the ViewCell. Here's some pseudo code to...
View ArticleDownload, save and display Pdf file
I have the following requirements in my xamarin.forms app I need to download a pdf file from the url on button click Need to save them locally in defined folder Then i need to display with installed...
View ArticleRemove page from Navigation
In my app structure is like below, List Page -> Detail Page -> Edit Page and in edit page there is button "Delete" which removes data from database. Now my problem is to navigate user from Edit...
View ArticleHow to implement multiple events of the any ui element in viewmodel?
Hi, I have multiple events of entry to be set like Unfocused, Completed, TextChanged, Focused and so on. How do i assgin the commands to these properties/events to entry? As there cant be more than one...
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How to Generate HeatMap as shown in image in Xamarin.Forms
Any idea on how to create or implement heatmap in xamarin forms. i have started by drawing circle using skia.shrp and fill with argb color ,but still not able to do.Any suggestion would be really...
View ArticleHow to change the background color of a button when the mouse is over or is...
I have tried to use Custom Renderer but I can not change the background of the button in uwp, it is always gray. This is what I have done: public class MyButtonRenderer : ButtonRenderer { protected...
View Articlehybridwebview crash Android 9
I have issue with hybridwebview. When i use it on android 9 release app crash. I dont know why. Help me!
View ArticleZXing BarcodeWriter issue (string to barcode)
I am trying to create a QR code from a string and not having any luck with either ZXing.Net or ZXing.Net.Mobile.Forms. I am trying this code with ZXing.Net.Mobile.Forms nuget package. using...
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Packages.Config build errors since updating Xamarin forms 3.6.0.344457
Hi, i recently updated to Xamarin Forms 3.6.0.344457 and since then, my android build no longer builds, the errors are very odd, as in, it looks like packages.config has something wrong with it. The...
View ArticleIs there any sample for use System.Net.Sockets
I need build a network receive loop, it use at Client App. I use the follow code, but it will block the thread. static void Connect(String server, String message) { try { // Create a TcpClient. //...
View ArticleButton Shadow
I am trying to add a gradient shadow above a button in xamarin forms.For IOS it does work using custom renderer but for android , I can't find a way to make it above and not at the bottom.Any ideas pls.
View ArticleSeperator lines in TableView
How do I remove the separator lines between each ViewCell in a TableView I've created this little demo page illustrating the problem: <br /> <?xml version="1.0" encoding="utf-8" ?><br...
View ArticleHow to play you tube videos in iOS app built by using Xamarin Forms (not...
I want to play you tube videos from a url that i already have. I tried using iframe in custom rendered webview but nothing happens. Please help me. I am using visual studio 2017 paired with Mac Machine.
View ArticleHow to Add embedded image in Shared project not in PCL?
Hello, I tried to add embedded image in my shared project. I created Shared project for Android & IOS. Added images in shared project. For rendering, in XAML file : in same namespace **AllControl...
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