#Code reader app android how to

The following shows a screenshot of what the user interface will look like. The zxing Qr code scanner upon start, obtain the scan result, display the detected content in the textviewĪnd launch a browser with the url address when the button is clicked. The QR code reader application contains a single main activity, with a textview and a button. The application will be written in kotlin, the new language for programming This article assumes that all the required software has been installed and setup. We will use the 3.6.0 release of the zxing embedded android library for compatibility We will build the app using a Ubuntu 18.04 LTS Desktop, with OpenJDK 11 (LTS) and the However,įor someone new to android development, there are still many things to learn. Zxing embedded android library from journeyapps does all the heavy lifting.īasically, there isn't a lot of logic required for the android application. This is also an opportunity to learn kotlin and android development. You can then use your own QR code reader application, without advertisements and without excessive permissions, for the SafeEntryĬheck in and check out. It is relatively easy to build a simple QR code reader application using the In the Google playstore, a lot of them have advertisements or require a lot of permissions. While there are many free QR code applications Older phones, there is a need to download a QR code scanner/reader application. Some of the newer android phones come with a built in functionality for scanning QR code. It uses the popular Zxing android embedded library for processing the QR code.

#Code reader app android how to

This article shows how to create a simple android application that can scan a QR code containing a URL and To the specified URL for checking in and out. The SafeEntry system encodes specific URL into QR code that can be scanned by smartphone, which launches a browser To fight against the spread ofĬovid 19, Singapore requires the use of SafeEntry for registering entries and exits to various places.

The recent Covid 19 has brought about many changes in our society. Adopt and change before any major trends of changes.