Use FTP and edit the application/config/rest.php file on your website. Change the rest_auth to basic (at line number 113) and default login credentials (at line number 213).
https://nodejs.org/en/
https://code.visualstudio.com/
https://www.oracle.com/java/technologies/javase-downloads.html
npm install -g @ionic/cli
ionic start matri blank
ionic serve
Create two different images for your Mobile App to display your site brand identity.
Note: The Icon image should have no corners.
The icon is a graphic that represents your app on the device's screen.
Note: Artwork should be centered within the square, knowing that each generated image will be center cropped into landscape and portrait images.
A Mobile App takes some time to start up, especially when the app is first launched on a device. A splash screen is used to display the startup progress to the user or to indicate branding.
https://apetools.webprofusion.com/#/tools/imagegorilla
"C:\\Program Files\\Java\\jdk-13.0.2\\bin\\keytool" -genkey -v -keystore matri-release-key.keystore -alias matri -keyalg RSA -keysize 2048 -validity 10000