MotionDetection: Detect motion in real time
Features
- MotionDetection via camera
- Rectangle drawing around motion
Use Cases
- Detect motion via camera
- Trigger events when motion is detected
- Use phone as a security camera
- Detect part of feed where motion occurs
Demo video
Blocks
Events:
OnMotionDetected
Triggered when motion is detected. Returns the number of points where motion is detected.
| Parameter | Type |
|---|---|
| motionAreas | number |
OnCameraError
Triggered when camera error occurs.
| Parameter | Type |
|---|---|
| errorMessage | text |
OnError
Triggered when View encounters an error.
| Parameter | Type |
|---|---|
| errorCode | number |
| description | text |
| failingUrl | text |
Methods:
Initialize
Initialize the motion detection system inside an arrangement.
| Parameter | Type |
|---|---|
| container | component |
StopDetection
Stop motion detection and release resources.
Sample Blocks
Loading the MotionDetection inside Horizonal Arrangement and starting detection.
Download the extension
I'm a 16 year old high school student, I like to create and maintain many extensions. I research a lot daily to bring something new to App Inventor 
While my primary goal and perspective on App Inventor is not to earn money, it really helps and motivates me a lot if you could spare some donations. 
Version 1.1: io.opencv.motiondetection.aix (42.5 KB)
Old Releases
Version 1: io.opencv.motiondetection (45.0 KB)
Building something awesome!
Sarthak Gupta @techxsarthak
. How often you will find this „when after“ thing? but I agree with you.
Version 2 (1.1)
