QR Codes anyone can download

When you package an app in App Inventor and choose “Show Barcode” it generates a QR code that you can use to allow others to install your app. Unfortunately, people can only install it if they are App Inventor users. This is especially problematic while App Inventor is in its invite-required mode. There is a [...]

Computing Distance from GPS points in App Inventor

With App Inventor, you can create apps that use the LocationSensor to get the phone’s GPS coordinates. Some of my students have been writing apps to perform such public services as finding the closest pub from their current location. To compute this, they need to convert to GPS lat/long coordinates into a distance in miles. [...]

App Inventor: “No Text While Biking” App

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