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.
Nov 01, 2016
Last week we saw how we could use custom renderers with boxview to draw via the canvas api https://kimsereyblog.blogspot.co.uk/2016/10/build-your-own-line-chart-for.html. Today I will go through the steps to draw a line chart supporting markers. The line chart is very simple and has only one objective, give a rough indication of the current trend of the data displayed.
Oct 26, 2016
Last week I needed a line chart to plot expenses. I had two choices: use an existing library or draw the chart myself on canvas. I decided to go for the second - draw the chart using the Android Canvas API. I chose this approach because it gives me full flexibility to create a style and behaviour that match perfectly my application.
Oct 19, 2016
I’ve been playing with Xamarin Android for a while now and one thing that disturbed me when I started was the units of measure. What is the difference between DP, DPI, PPI and PX in Android? I found my answers in the Material design guide and today I would like to share my undertanding of the differences and bring a different explanation which hopefully will help you get a better understanding.
Oct 12, 2016
The first time I had to implement a splash screen for a Xamarin.Android app, I was completely lost. Xamarin official documentation is great https://developer.xamarin.com/guides/android/user_interface/creating_a_splash_screen/ but without prior knowledge in Android, it is hard to follow. So today I would like to show you how you can create a splash screen for an Xamarin.Android app and provide more explicit information on what is happening and why is it done this way.
Oct 05, 2016
Few weeks ago I posted about absolute and relative layouts.
Layouts are called Layouts because they contain children which are placed in a particular way.
Xamarin.Forms has a lot of layouts and views to structure pages like grid, table view or list view.
Today I would like to show you how we can use some of these basic views to build an Accordion view.
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