React: Clean-Code

Clean Code vs. Dirty Code: React Best Practices - Donavon West Please do read the above article from Donavon West. It provides a lot of good ways to do React in a better, cleaner way.  Thanks Donavon!    


Dependency Injection – Registering Generic Types in ASP.NET Core

Source: Steve Gordon’s blog post We want to be able to ask for an IThing<SomeType> in the constructor of a consumer which will get the correct GenericThing<SomeType> injected. We can use a extension method on the ServiceCollection that accepts the types as parameters. Our registration would then look like this serviceCollection.AddSingleton(typeof(IThing<>), typeof(GenericThing<>)); via Studio for WP … Continue reading Dependency Injection – Registering Generic Types in ASP.NET Core

UWP: Extend your app into the TitleBar

Lets take a look at ways and tips to extend your app real estate into the Windows's Title Bar and give your app a new look. CoreApplicationViewTitleBar coreTitleBar = CoreApplication.GetCurrentView().TitleBar; coreTitleBar.ExtendViewIntoTitleBar = true; TitleBar.Height = coreTitleBar.Height; Window.Current.SetTitleBar(MainTitleBar); From EternalCoding While doing that also take a look at Embed Titlebar into your UWP app from JuniperPhoton … Continue reading UWP: Extend your app into the TitleBar

Xamarin Android: Creating a Splash Screen

An Android app takes some time to start up, especially when the app is first launched on a device. A splash screen may display start up progress to the user or to indicate branding. Here's how you will be able to create a splash screen: Step 1: Create a Drawable for the Splash Screen Visual … Continue reading Xamarin Android: Creating a Splash Screen

Play Licensing in Xamarin.Android

How to: Implementing Google Play Licensing in Xamarin.Android and Xamarin.Forms

.NET Development Addict

Google Play offers a licensing service that lets us enforce licensing policies for applications that us publish on Google Play. With Google Play Licensing, our application can query Google Play at runtime to obtain the licensing status for the current user, then allow or disallow further use as appropriate.

The Google Play Licensing service is primarily intended for paid applications that wish to verify that the current user did in fact pay for the application on Google Play. However, any app (including free apps) may use the licensing service to initiate the download of an APK expansion file.

Getting Things Ready

In order to add licensing to our app, all we will need is the licensing verification library. We can get this from or the Component Store (coming soon), or, we can build the source using the GitHub repository.

After adding the library, we need to get hold…

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Building a UWP Rating Control using XAML and the Composition API

Rating control for UWP apps

XAML Brewer, by Diederik Krols

In this article we’ll build a XAML and C# Rating Control for the Windows Universal Platform which will be entirely drawn by the Composition API. It’s a custom Control that comes with the following dependency properties:

  • Maximum (int): the number of stars (or other images) to display,
  • StepFrequency (double): the rounding interval for the Value (a percentage, e.g. 0.25)
  • Value (double): the current value (from 0 to Maximum)
  • ItemHeight (int): height (and width) of each image in device independent pixels
  • ItemPadding (int): the number of pixels between images
  • FilledImage (uri): path to the filled image
  • EmptyImage (uri): path to the empty image
  • IsInteractive (bool): whether or not the control responds to user input (tapping or sliding)

The names of the core properties (Maximum, StepFrequency, and Value) are borrowed from the Slider class because after all –just like the slider- a Rating control is just a…

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