Hello Ron,
This tutorial shows how to work with camera component and store photo to the DB.
http://docs.appery.io/tutorials/using...
Using Apache Cordova doc you can find all properties and examples which you can use in your camera app.
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Do I create a database?
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If you want to save video in Database then you should create it.
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And will the Camera Device Service return the file?
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Yes, you can use camera device service to get the file.
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Are there more detailed instructions?
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You can start from camera component tutorial. Then please read Apache Cordova doc which help you to understand how to capture the video.