Feb 02, 2017
Few months ago, I explained how ListModel worked. Today I would like to share a recurring issue that I used to have - lost of focus on input every time the ListModel values change. There’s an easy solution to that which I will demonstrate by first showing the initial code and explaining what is going on, why the focus is lost, then I will explain how we can work around it.
Jan 28, 2017
Authentication is an important part of any Web applications. Today I will explain how we can create the essential modules required to authenticate a user. This post will be composed by four parts:
Jan 20, 2017
Few weeks ago I explained how we can create a splash screen for Android. Xamarin.Forms takes few seconds to load at each start so it is important to provide a feedback to the user when they click on our icon. The splash screen answers that by providing a way to show a loading screen. Today we will see how we can setup a simple splashscreen with an image centered and with a text label.
Jan 14, 2017
Few weeks ago I explained how we could use FontAwesome from our Droid project link. Following the same idea, today I will explain how we can use FontAwesome on an iOS app with Xamarin.Forms.
Jan 07, 2017
Today I demonstrate how we can leverage sqlite to save data on mobile which can be useful for local application or to store cached data.
Dec 30, 2016
Icons are important in mobile applications where space is limited.
We use icon everywhere to convey action intent like + would be to add an item or a bin would be to delete one.
There are two ways to add icons to our mobile app, with images with with fonts.
Dec 24, 2016
Logs are an important part of development. Extracting and analysing debug output and errors is very important especially when the web server goes live.
In this post I will show how we can setup a Console target, a File target and a Live stream on a static HTML page using NLog. NLog is a log framework which can be configured to output logs on different “target”.
Dec 15, 2016
Few months ago I made a first introduction to GIMP - https://kimsereyblog.blogspot.co.uk/2016/09/gimps-primary-features.html - the post was oriented toward the toolbox and what features were available. Today I would like to share an explanation on what the alpha channel is and show you how you can outline text using the alpha channel.
Dec 08, 2016
Today I want to share a neat trick which I have been using a lot - transform an asynchronous operation (triggered with StartActivityFromResult) from an Android Activity to an awaitable task - which then can be used with async await keywords in a Xamarin.Forms PCL project.
Nov 30, 2016
When using Xamarin.Forms and Xamarin.Android, chances are that you had at one point of time to access a local file. Whether it is an image or a text file or even a local sqlite database, accessing a file from a Xamarin.Android project can be confusing. Today I will show you how you can get the absolute path of the different folders available in Xamarin.Android and we will see how we can get the paths from Xamarin.Forms.
Nov 21, 2016
Few days ago, I released my first Android app Baskee built with Xamarin and F#. In this post, I would like to share with you the most common questions my friends asked me and I hope it will help you understand better why Baskee is useful for you!
Nov 18, 2016
The Sbackbar API is a sleek way to provide notifications in Android. You might have noticed the usage of it in applications that you use daily like Chrome, get the notification that the tab was closed. This is the snackbar. Today we will see how to use the snack bar api with Xamarin Android and how we can call it from our Xamarin Forms project.
Nov 18, 2016
Last week I showed you how to fix the error adb server version doesn't match... with Xamarin.Android when trying to deploy an application built in Xamarin.Studio to a Genymotion VM. This was caused by two different versions of ADB being installed on the machine. One installed during Xamarin installation and another one installed separately. The solution was to set the ADB path in the options of Genymotion. I thought all was good but turns out there was another issue.
Nov 13, 2016
Today I would like to share with you how you can fix the following problem INSTALL_FAILED: /Library/Frameworks/Mono.framework/External/xbuild/Xamarin/Android/Xamarin.Android.Common.Debugging.targets: Warning: error: could not install *smartsocket* listener: Address already in use
ADB server didn't ACK.
Nov 07, 2016
Last week I had an issue suddenly after updating Xamarin.Android and downloading the latest Android sdk 24. My application kept closing instantely after being deployed showing the following error: Unfortunately, [App name] has stopped.
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