backgroundworker | The Blog Pros

June 29, 2020

Tutorial Part 2: How to Build a Progressive Selfies Web App with JavaScript

If you're looking to build a powerful PWA that takes advantage of the hardware on a device, things are only going to get better. In my previous post, I explained the fundamental concepts of PWA. In this article, I will discuss some PWA features that provide access to your hardware APIs:

Media Capture API, to take a picture (in this article called a "selfie") with your camera. https://developer.mozilla.org/en-US/search?q=Media_Streams_API
Geolocation API, to determine the location of your selfie. https://developer.mozilla.org/en-US/docs/Web/API/Geolocation_API
and the commonly used Background Sync API, to put the selfies in a queue or database in the meantime, so that the user can also send a selfie to the server if it is not connected. https://developers.google.com/web/updates/2015/12/background-sync

Requirements

To start with this tutorial you must install the following:

February 14, 2020June 26, 2020

Tutorial: How to Build a Progressive Web App (PWA)

You need a native app. That's what we've been told repeatedly since Apple first announced the iPhone App Store. And perhaps you do. Native apps can make sense, depending on an organization's size and needs.

But what about potential customers who don't have your app? Or current customers on a desktop computer? What about people with limited space on their phones who delete apps to make room for other things? What is their experience like?

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