Hi Lisa, I don’t know if you mean that the App captures video and is sent in stream, or that an external device, such as ESP32, Raspberry … captures images and sends it to the App.
- I don’t think that with App Inventor you can capture video and send it in stream.
If you mean that an external device captures video and sends it,
You can work with Raspberry Pi, Phyton and a USB-Cam.
I send you some ideas that are in Spanish, but you can easily find similar tutorials in other languages:
- Configure Raspberry as local WebServer, capture image with a USBCam and stream. In an App with WebView component you can view that video by typing its IP, example: http://192.168.1.12:8081
http://kio4.com/raspberry/24_webcam_usb.htm
- Other ideas not related to Android:
.- Raspberry Pi shows TimeLapse.
http://kio4.com/raspberry/26_webcam_timelase.htm
.- When you change a static image taken by the USBCam, save the captured image and send it by Gmail.