PostureAlert and Protractor

Posture Alert can keep tracking the tilt angle of your Android smart phone and make alerts when the tilt angle is out of certain range.

For example, young students tends to bend their neck too low while they are writing or reading. With the device on their back, when low tilt angle is detected, the device will vibrate or beep, to remind young students adjust their posture.

Operations:
1. To setup the tilt angle alert condition, long press the Protractor icon on the screen.
2. To start detect tilt angle, touch the lock icon.

Features:
1. Measure the tilt angle of the smart phone and show the angle immediately.
2. Vibrate the device or beep when the tilt angle is lower or higher than specified angle.
3. Record the latest tilt angle (360 samples) on a graph.