android – gSpons

Blazor Web geolocation – Android

After we already managed to communicate with an BLE device, let’s now try something a bit easier.

As mentioned in a previous post, we already have some “requirements” for a treasure hunt. For that, we need a solution to get the users location.

Let’s see if we can manage to get the location directly from a webapplication and get around the need of writing and deploying a full Mobile App.

Blazor Web Bluetooth – Android – Part 1

Earlier Post

Welcome back! In the earlier post we already managed to connect and read characteristics from a BLE device. But had it only logged to console.

Now let’s also display it on GUI.

Basic BLE Device using ESP32 NodeMCU.
Code can be found here: https://github.com/sukapx/Esp32_BLE

Documentation of Web Bluetooth that will be used

Calling Javascript from Razor and Razor from Javascript: Microsoft Docs

dotnet new blazorwasm -o Solution --hosted
cd Solution/Server
dotnet watch

And we’re greeted by the typical Blazor start

The ports on which your page will be shown are set random on project creation. You can find (and change) them in “launchSettings.json”.