Hi folks. I continue to write some rows about Xamarin bugs because I would like to help people to solve problems I have encountered during my days with Xamarin products. Today is XamlCTask the problem. I started to encounter this problem after I have update Xamarin Forms to 220.127.116.11 (it should be last stable...) and it … Leggi tutto The “XamlCTask” task failed unexpectedly
In a post I have already described how to have a Image inside a Circle, using James Montemagno's plugin. James' plugin works with Images. Today I would like to use https://github.com/jsmarcus/Xamarin.Plugins/tree/master/Iconize that permits to use icon fonts in your Xamarin.Android, Xamarin.iOS, or Xamarin.Forms application! It uses fonts like Font Awesome and Ionicons. Results are wonderful ("ion-help-circled"): This is the "ion-information-circled" from … Leggi tutto How to create a nice rouded icon
ListView is a common control in a Xamarin Forms Project. It works pretty nice. When you select an Item in the list, the row change its color so you understand that it's the "Selected" row. Sometimes there is the need to change the color of the text, non only the color of the row (that … Leggi tutto Change Label’s TextColor in a ListView’s SelectedItem, obviously in Xamarin Forms
It's the second or third time in a few days that in the forum or in StackOverflow some guys has problem with XAML files. I don't use XAML (I believe to be in error, but I am a "old school" programmer and write ALL using code). I don't like it very much and I think it's another … Leggi tutto Another common mistake using Xamarin Forms (and XAML): Property Content is null or is not IEnumerable
Xamarin is a wonderful platform. You can build native apps for multiple platforms on a shared C# codebase, using the same IDE, language and API. Like all platforms, there are (sometimes) some problems and you have to loose your time to find a solution. Today I have tried to run on a Motorola WT6000 device … Leggi tutto My App crash at startup with a MissingMethodException, and I don’t know why
At the end of 2014, James Montemagno has presented his ImageCircle Plugin. It's a "very simple" plugin. It allows to display rounded images instead of standard images. Plugin has its repository on GitHub so you can download it and test using the ImageCircleTest project. If you run the test project, you have an output like this: Some monkeys and an empty … Leggi tutto A little workaround for a great Plugin: ImageCirclePlugin
Recently, in Xamarin Forums, have appeared some posts about "how to read barcodes with Xamarin". I have already covered the topic in this post some days ago, and I would like to add some thoughts. First of all, how can I read a barcode? I think there are three solutions. using a device with an integrated barcode … Leggi tutto Connect a barcode reader to a Xamarin Forms app via Bluetooth
There are a lot of blogs that try to explain what is MVVM. So I don’t want to write another article about it. There are a lot of blogs that try to explain MVVM frameworks, and there are some MVVM frameworks studied for Xamarin Forms. This is a little list (and they are all Open […]
The answer is obviously YES. Who don't use barcodes? I don't say in you apps, but in your life. Everywhere there are barcodes. On your bottle of milk, on your pack of spaghetti, on your newspaper, on your Xamarin Forms book. This representation was born in 1960s and it is still the most widely used … Leggi tutto Barcodes. Do you use them?
Ok, ok. My first article about MVVM framework may have been incomplete, and some friends (Norman Mackay and Vulcan Lee, thanks bro) have picked up the phone and start to remind me of things I have forgotten. This is the reason why I decided to write this new post (Question... is better to write a new post or update the first … Leggi tutto Xamarin Forms and MVVM frameworks part 2: something else?