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Windows Store submission failing certification

I have a Xamarin.Forms solution with Windows 8.1 and Windows Phone 8.1 projects. I'm trying to submit an update to an existing Windows Store application. However, the submission failed certification....

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UrhoSharp 1.8 Announced!

UrhoSharp is a .NET API for building 3D experiences in your apps. A .NET binding to the Urho3D engine, it allows developers to write cross-platform code targeting Android, iOS, Windows and macOS with...

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Setting an Entry cursor color?

I'm playing on Android that has a default page background colour of black. If you set the page background to white an Entry textbox border is visible but the text cursor is invisible because its white;...

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Android Error With SignalR Core: Could not load assembly 'System.Memory'...

Hi, I am trying to use SignalR Core preview in a Xamarin Forms solution. UWP works fine but Android crashes with error : "Could not load assembly 'System.Memory' during startup registration". I tried...

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Buildingproblem after update to IOS 11

Hi I have updated my system to IOS 11. Visualstidio for Windows with all newest xamarin updates, Mac os Sierra is up to date and Xcode is the newest Version. My Problem: -Building on Real Device work...

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How to achieve (almost) perfect/exact collision detection between two...

Hello guys, i am trying to detect collision of two CCSprite's, a ball (PlayFigureSprite) and something that boosts that ball in a specific direction (BoostSprite): [Insert picture here showing two...

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Forms9Patch: Simplify multi-device image management in your PCL Xamarin.Forms...

Announcement of Form9Patch Xamarin Forms is great for developing apps on Android and iOS but it is missing two important tools for developers: scalable images and PCL multi-screen image management....

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How to restrict numeric values entered into an Entry field.

I need to restrict the value being typed into an Entry field to values between 0 and 20. However, I don't want highlight it in red if it's outside that range or anything, I want to actually prevent the...

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Layout Black screen

When i'm opening layout i'm getting this black screen. I have delete layout and re install it. I have make new project this black screen is remaining. Vs2017 15.5.6

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All packages giving warning/error Restored using '.NETFramework,...

I've been trying different packages to try and convert a docX to a PDF, but they're all throwing the same warning, and then further errors if I attempt to use their code. Here's a screenshot of a blank...

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Bypassing ATS

I have tried bypassing ATS and tried every solution out there but nothing is working. Does anyone have an idea to why this isnt working <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist...

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Entry control does not work

Hello friends, Entry control does not allow edit when the content page is called with Navigation.PushAsync. The keyboard appears, and the Text property changes fine, but the value is not shown in UI. I...

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It is possible to add multiple bindings to a Label using XAML?

It is possible to add multiple Bindings to a Label using XAML, for example: <Label Text = "{Binding Address} - {Binding City} / {Binding State}" TextColor = "# ffeece"/>

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Saving Image to local folder

Good day. So I've got image from gallery using Xam.Plugin.Media (taking picture or choosing it from gallery) or through HttpClient. And now I want to save it in local storage of the device - target iOS...

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Xamarin Forms: Sharing Images Through Native picker

I am trying to share an image with an android picker through a dependency service but no images ever make it through to the application that is selected. The applications that are opened successfully...

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How to pass data from database to another activity?

I'm trying to create a login system, that the user who logged from it will go to the new activity when user clicked the login. The user will redirect to the 2nd activity and all of the users detail...

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Storing SignaturePad Points in Database and rebuilding

Hi All, I'm storing a signature (by serializing points) in a database and then attempting to recreate the signature... and it's not going to plan. A snippet of my code is below Code Behind private...

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Custom 3d models (Very strange behaviour)

Hi, I'm trying to learn UrhoSharp (hoping I'm not losing my time as the project doesn't seem very active). Everything is going very well, after few days I can already do a lot of different things bnut...

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UWP Ads Working Perfectly Now Ads Are Very Small?

My app is cross platform for Android, iOS and UWP and the Microsoft Advertising SDK for XAML 300x50 ads have been working perfectly on my Windows 10 phone until a few days ago. Now they are very small...

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Back Button

Hello everyone!! How can I change the color of my back button on a navigation page? It's white by default.

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