Read a barcode with Zebra terminals, using DataWedge and #DOTNETMAUI

Hi everyone. It's been a long time since my last article on Xamarin Forms. Many things have happened in these years. Surely, for us developers, one of the most interesting things is the arrival of #dotnetmaui, the new framework for developing applications on iOS, Android, Windows. As you know many of my articles are related …

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Read the IP address of an Android device using DOTNET MAUI

How to retrieve the IP address of an Android device using DOTNET MAUI

Create a popup using Rg.Plugins.Popup and get a return value in Xamarin Forms

Hi my friends, how are you? I hope you are well. In the last few weeks I have had a request from a client of mine to change the standard Xamarin Forms popups created with https://docs.microsoft.com/it-it/xamarin/xamarin-forms/user-interface/pop-ups, because his drivers have big fingers and cannot press the small "YES" and "NO". The only solution I have …

How to configure FFImageLoading to visualize images from URL when a PROXY is configured.

FFImageLoading is a well-known library for those who develop applications using Xamarin Forms. In particular, I use the CachedImage control that allows you to view images within pages. I recently had a problem with an application that displays images from a URL, using a PROXY (specifically a PROXY PAC). <ffimageloading:CachedImage Aspect="AspectFill" DownsampleToViewSize="True" ErrorPlaceholder="image_error" HorizontalOptions="Center" LoadingPlaceholder="image_loading" …

Update Xamarin Forms libraries before start a new app

When you create a new Xamarin Forms project, the template download 28.0.1 Android libraries, but them are old because there is a new 28.0.3 version. If you try to upgrade the package, NuGet returns some errors. There are also some other libraries to update like Xamarin.Forms, Xamarin.Essentials and Microsoft.NETCore.UniversalWindowsPlatform for UWP Project. Here a sequence …

Xamarin Forms 4.0 and AltBeacon library

Some years ago I have used AltBeacon library to interact with some Estimote beacons. Do you know AltBeacon library? I think you can read this to have all informations you need. With the help of Chris Riesco Binding and sample I have been able to create a little project that I have published on GitHub. After some years, a customer has …

Update NuGet packages before start to write some code in a Xamarin.Forms app

Hi guys. When you create a Xamarin Forms project, you can see that Xamarin.Android project has some Xamarin.Android NuGet packages that are not updated. I don't know why the Xamarin.Forms template does not download the last version of default packages. By the way we could try to update all needed packages before start to write …

Xamarin Android and DataWedge scanning process

Hi guys, how are you? I have already written some pages about scanning barcodes. Every day I work with devices that have to scan barcodes. To add this functionality to my softwares I have always used native APIs because them give the best control to barcode scanner. Another solution is to use DataWedge,  DataWedge enables all apps …

Communication between Xamarin PCL project and Xamarin Android (iOS) project in Xamarin Forms Application

A lot of people ask how is it possible to pass data from Xamarin Android (or iOS) to Xamarin PCL project in a Xamarin Forms Application. I had the same problem in the past, when I tried to write an application that had a Barcode Reader connected via Bluetooth (you can find something here...) to …

Open a PDF inside a WebView in Xamarin Forms (Android)

I am developing an App that should visualize a PDF document hosted online. I searched in the web but I have found nothing useful. Also this Xamarin documentation has not been useful for me. But on StackOverflow I have found two posts that have put me on the right way. The first is this. <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" …