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From the category archives: David Jones

Universal Windows Platform

Entity Framework Core with UWP and SQLite Revisited: Some Notes on Scaffolding

Some notes on adding and removing migrations in Entity Framework core.

EF Code First approach (Create class/es first)

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Entity Framework Core with UWP and Sqlite Revisited: Step by step

Entity Framework, in Code First Manner, can auto-generate the scaffolding for accessing a database from an app from an app’s model class. In a previous blog I covered some issues wrt using Entity Framework Core with a Universal Windows (Platform) app with a Sqlite backend database. The entities are specified as classes in in a .Net Core class project separate to the app project (within the same solution). The issue addressed in that blog was a problem referencing the class library from the UWP project. This blog revisits the same topic with an emphasis upon the steps required to implement an EF Core backed UWP app.

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Interconnect issue over Bluetooth Serial

Issue: Can pair a Windows 10 device with an Arduino device and communicate over RFCOMM. But although can pair two Windows 10 devices over Bluetooth Serial, I can’t serially transmit between them: No serial port for OutGoing end.

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SurfPad: RPI as the SurfPad (Bluetooth Connectivity)

This article covers using a Raspberry Pi running a RS4 version of IoT Core as the SurfPad, withe an Arduino devices as the Remote app. Connectivity for this is via Bluetooth..

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SurfPad: Json Configuration

Turn your old Surface into into a large touchpad. As part 2, specify the buttons and app config via a Json Configuration file. This reworks a previous GitHub project.

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SurfPad: Your old Surface as a Remote App Touchpad: The UI

Turn your old Surface into into a large touchpad:

Have you got an old RT Surface 1 or 2 gathering dust and don't know what to do with it?

  • Create a UWP app to run on a Surface (ARM or x86), or any touchscreen Windows laptop. Could even recycle an Windows Mobile (8.1/10) phone.
  • Uses rounded boxes a touch keys.
  • Can remotely act as the UI for an app running on any system that supports Serial, Bluetooth(serial) or has network connectivity.  Azure IoT Hub is also envisaged as a communication medium.

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Xamarin for Windows Developers 101: About Xamarin Forms Projects

We are looking a short-cutting getting started with Xamarin Forms for cross platform app development, if you are already a UWP app developer. This article discusses the rudiments of an Xamarin Forms app project from the perspective of a UWP app developer.

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Xamarin for Windows Developers 101: Setup

So we have seen the need to use Xamarin. So lets get started. This article covers installation in Visual Studio on a Windows device

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Xamarin for Windows Developers 101: Introduction

OK so you have been creating Windows apps for ages including UWP. You have developed apps that run on the Windows desktop and the phone. You understand the rudiments of developing a modern UI app MVM etc. You understand PEM, properties events and methods for classes and GUI elements. You understand database CRUD can attach a database to an app using formal database invocation methods. You might even have mastered the Entity Framework and/or have a deep understanding of ORM. Overall, in coding terms, when confronted with a new programming context you know what you want to do and how you do with UWP or Windows Forms; you just need to do it in the new context. Xamarin Forms, bring it on!

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CleanupVS: Five coding tips as used

The Windows 10 UWP app CleanupVS is now in The Store. Its a free app for cleaning up Visual Studio workspaces by recursively deleting bin and obj folders from Visual Studio project folders. This article covers some of the code techniques used in he app.

Including, quick folder count, app metadata, using the Feedback Hub and populating a RichTextbox.

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