Need bluetooth to remember and auto connect when app starts

[Randy Fisher]

I have an application that uses the list picker to select a bluetooth device. I would like to remember the bluetooth device, and automatically connect the bluetooth device either when it comes into range or the application is started. Any ideas on how I could do this? I suspect the the TinyDB will be needed.

[Taifun]

yes, exactly

TinyDB tutorial by Stephen

A very good way to learn App Inventor is to read the free Inventor's Manual here in the AI2 free online eBook   http://www.appinventor.org/book2 ... the links are at the bottom of the Web page.  The book 'teaches' users how to program with AI2 blocks.

There is a free programming course here http://www.appinventor.org/content/CourseInABox/Intro  and the aia files for the projects in the book are here:  http://www.appinventor.org/bookFiles  

How to do a lot of basic things with App Inventor are described here:  http://www.appinventor.org/content/howDoYou/eventHandling  .

Also do the tutorials http://appinventor.mit.edu/explore/ai2/tutorials.html to learn the basics of App Inventor, then try something and follow the

 Top 5 Tips: How to learn  App Inventor

You will not find a tutorial, which does exactly what you are looking for. But doing the tutorials (not only reading a little bit) help you to understand, how things are working. This is important and this is the first step to do.

Taifun

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Trying to push the limits of App Inventor! Snippets and Tutorials from Pura Vida Apps by  Taifun.         

[Martyn_HK]

For auto connect when the app starts, have a look at Android MIT App Inventor – Auto Connect To Bluetooth.

Connecting when it comes in to range is a different matter. 

If Bluetooth is already connected the connection should be maintained when the module is moved out of range and back again. At least this happens for me using a Samsung device and also a Sony device.

I don't think auto-connecting when in range, when no connection exists, is possible with AI2.