Questions tagged [xamarin]

Xamarin is a San Francisco based software company created by the engineers that created Mono, MonoTouch and Mono for Android which are cross-platform implementations of the Common Language Infrastructure (CLI) and Common Language Specifications (often called Microsoft .NET). With a C# shared codebase, developers can use Xamarin tools to write native iOS, Android, and Windows apps with native user interfaces and share code across multiple platforms.

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Generating Table Sections from A Property in a List of Objects

I'm working on a Xamarin application and I'm presenting a list of objects in a TableView that are grouped by a specific property of the object. The property is a date. For each distinct date, I am ...
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1answer
95 views

Xamarin.Forms request / Failed request function

I've wrote a little iPad app with Xamarin.Forms. What I'm trying to do here is send some support tickets via a request to my server. I'm also keeping the "Failed" tickets in a collection so that I can ...
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3answers
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Generic WebRequest Method for .PCL

I have created this method to do all my WebRequests. Generally my question is, if this could be improved in any way. As a side question, I would like to know if it be better to create methods for ...
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1answer
2k views

IEnumerable to typed Dictionary

Scenario A portable controls/widgets library for Xamarin.Forms (PCL Profile 111) contains a combobox/dropdown/picker control where the ItemsSource property is an <...
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1answer
11k views

Changing visibility of ToolbarItem - Xamarin.Forms

I want to fill collection of ToolbarItems from XAML, but change visibility of some ...
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1answer
6k views

Xamarin image download and resizing for Android

This code addresses performance issues specific to Android running Xamarin / C# when downloading images (BMP/PNG) into a listview. The caller simply specifies the URL to fetch the image from, and the ...
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0answers
728 views

Xamarin Forms MVVM Light Toolkit usage

I am playing around with Xamarin, because there is a good chance that I might have to start a project using it in a few months. What I am mostly looking at is Xamarin Forms as I am familiar with WPF ...
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1answer
827 views

Showing items and categories after clicking on a subcategory

How can I speed up my app? It's very slow if I click on a button and open a new page. All data in time is local. I'm not sure if the problem is in my code or xamarinu. ...
4
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1answer
418 views

Reacting to Boolean state in reactive ViewModels

When this ViewModel loads we kick off the IsAuthenticatedCommand: If the result of ...
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1answer
1k views

Small android app that gives a movie based on the chosen genre

Working on my first "big" project using the mighty Xamarin. Likewise my first venture in XAML so I suppose most focus will be going towards these new areas. Performance- and user-experience related ...

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