Many non-REST APIs work with POST requests even for reading data: GraphQL, SOAP and other RPC-APIs being typical examples. However, POST requests cannot be cached and used offline in a Progressive Web App out of the box. The browser's Cache API simply will not accept them. Here is a workaround using a custom cache in InexedDB.
Fiori apps make it easy to access your SAP system from connected mobile devices. But what if you are offline or the connection is unstable? In this article, I am going to introduce and compare the different approaches to making SAP UI5 work offline.
This page checks, which features and APIs important for progressive web apps are supported by your browser. Just visit this page from every browser and device, you mean to support and see, what will work there.
In this tutorial I am going to demonstrate, how to add barcode scanner functionality to an HTML form built with Bootstrap - thus, enabling the user to scan a barcode with the smartphone camera or webcam.
This tutorial shows, how to connect a barcode scanner to a web application based on jQuery. We are going to take a look at the most important settings of the jQuery.ScannerDetection plugin and the first steps to take when starting to work with a new scanner model.