Category: Tips

Android battery life – and how to extend your battery power

Android battery life – and how to extend your battery power

When I had a Nexus 4 running Android 4.3 and earlier, I used an app called Juice Defender to extend the time between battery charging. I often went 2 days without recharging the battery!...

Part 2: Sending numeric data using App Inventor Bluetooth communications

Part 2: Sending numeric data using App Inventor Bluetooth communications

Part 1 of this tutorial introduced Bluetooth communications and implemented a simple method of sending text data back and forth between two Android devices over the Bluetooth wireless link. If you are not familiar...

Blocks Editing Tip: Arranging and collapsing blocks in the editor

Blocks Editing Tip: Arranging and collapsing blocks in the editor

As you develop your App Inventor program using the Blocks editor, do you find your blocks overlapping and crashing in to one another on the screen? You know, like this: You can drag the blocks on...

Update: Reading and writing text files with App Inventor

Update: Reading and writing text files with App Inventor

I previously posted a short tutorial on writing to and reading from text files stored on an Android device, using an App Inventor app. Unfortunately, as some comments noted, the file being created seems...

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