Monthly Archive: March 2016

appinventor.pevest.com is back online! 2

appinventor.pevest.com is back online!

On 28 March 2016 you may have received a “Bandwidth Limit Exceeded” error message when trying to access appinventor.pevest.com. This occurred because interest in tutorials on coding in MIT App Inventor is high! And...

Using droid-at-screen to see your phone’s display on your computer 1

Using droid-at-screen to see your phone’s display on your computer

droid-at-screen is a free Java-based app that displays the content of your phone’s display to your computer’s display, when the phone is connected via a USB cable. Below is a screen snap shot taken...

Can you “gray out” a button until data entry is complete? 5

Can you “gray out” a button until data entry is complete?

A reader asked  if it might be possible to “gray out” a button so that pressing it has no action, until appropriate data has been entered? The answer is “Yes, we can do this.”...

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