All new tutorial: Using TinyDB in App Inventor

I have completely rewritten and re-done my original tutorial on using TinyDB in App Inventor. You can see the all new rewrite at Using TinyDB in App Inventor TinyDB is a database used to store and retrieve values to semi-permanent storage on your phone or tablet. Unlike variables, which vanish when your app closes or … Continue reading All new tutorial: Using TinyDB in App Inventor

Using TinyDB in App Inventor

(This post was completely rewritten and updated on October 30, 2015) What is TinyDB? TinyDB is a simple “database” that stores data on your phone or tablet. Unlike program variables that go away when your app is finished running or your phone is re-set, values stored in TinyDB remain on your phone for use the … Continue reading Using TinyDB in App Inventor

Using Firebase in a real app – “Here I AM!” GPS Demo app

A previous post introduced the experimental Firebase component in MIT App Inventor. Firebase is a cloud-based database that may be used by App Inventor apps, and which makes exchanging data between users easy. Note: Firebase is experimental and may change in the future. At the present time, there is one Firebase database that is shared … Continue reading Using Firebase in a real app – “Here I AM!” GPS Demo app

Demonstration app for using FirebaseDB in AppInventor

FirebaseDB provides for sharing between users all running the exact same app on their device. Read “What is FirebaseDB?” to learn more about FirebaseDB and what it does for your applications. This is a quick and very short app that demonstrates the fundamental operation of FirebaseDB when used in MIT App Inventor. I hope to … Continue reading Demonstration app for using FirebaseDB in AppInventor

Using Location Information and GPS for finding your position

This tutorial introduces location services features available in App Inventor. A future tutorial will demonstrate these features applied to specific applications. About Android Device Location and GPS Features Your Android device probably has built-in features to identify the device’s location. These features may include: Global Positioning Satellite receiver (GPS) Cellular network location information Wi-Fi network location … Continue reading Using Location Information and GPS for finding your position