Custom Views in Xamarin.Forms

I’m a big fan of Xamarin. It is, in my opinion, the best solution for cross-platform mobile development. Xamarin enables you to produce apps for iOS and Android, written in C#, and to share a large proportion of the code, with only the UI layers for each platform being written independently. The apps produced run natively on each platform, using proper native views.

I’d like to present a quick introduction to Xamarin.Forms. Xamarin.Forms takes another big step toward code-sharing. It allows you to share the UI code as well. So you can write code such as the following in a unified shared mobile project.

Continue reading “Custom Views in Xamarin.Forms”

This is the second in a series of articles on image handling in Android. Check out my first post on using remote images in lists if you missed it.

Put simply, image handling can take its sweet time on slower devices. Once downloaded, or loaded from file, or processed, or all of the above, it would be ideal to cache any images to be quickly loaded from memory later. Simply caching images in memory creates another challenge, as there may not be much memory free on the device, and each app has a set limit.

An ideal solution to this problem is a cache which will automatically evict images once it’s full. Continue reading “Xamarin Android – Image Caching”

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