So, in this post you’ll add a slider to the user interface that will change the amount the count increments when clicking the Increment! button. For example, if you are playing basketball, you might score 1, 2, or 3 points depending on where on the court the shot was thrown. Sometimes, when keeping count, you don’t want to increment the value by 1. The simple counter app from the companion repository is the perfect candidate to be enhanced with extra features that can use data binding.
This can be achieved through the power of data binding.
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You want them to be linked somehow so changes in one update another, or multiple, components. Often when developing UI for a mobile app, the components on the page are not in isolation. You’ll also gain experience using emulators to preview and test your user interface features. This post will give you a quick introduction to data binding with an example project that you can build on and extend to learn about additional features on your own.
Data binding makes it possible to create rich user interface experiences for data-driven applications without writing a lot of code. Xamarin.Forms includes Data Binding, a way of keeping a user interface synchronized with its underlying data without having to write code for every aspect of managing those interactions.
Xamarin XAML (try saying that five times fast) works in concert with code-behind C# classes, a structure you may be familiar with if you’ve worked with ASP.NET or ASP.NET Core. One of the time-saving and powerful aspects of Xamarin is Xamarin.Forms, a toolkit for building user interfaces with eXtensible Application Markup Language (XAML) to define how a user interface component in a Xamarin app will look and behave. You can use Xamarin without leaving the comfort of your Visual Studio development environment and you don’t have to buy and connect a bunch of mobile phones to test your apps: Xamarin includes emulators to give you a real feel for how your user interface will look and work.
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Xamarin is a powerful tool for building cross platform apps for Android and iOS devices.
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