Capture an image from the camera preview?

I have been able to convert images from the preview stream to a usable format using the YUV420-to-RGB algorithm presented here In my application, I also do this every 2-3 seconds for the purposes of analysing the colour You can write an appropriate Runnable and use Handler.postDelayed() (see docs ) to chain call for the appropriate interval. You could also use Message and Handler. SendMessageDelayed() in conjunction with overriding Handler.handleMessage() for the same effect The key idea is to include code to send (delayed) another identical message in the code to handle that message.

This enables continuous capture. Be careful to clear the message pipeline when you eventually decide to stop your application!

I have been able to convert images from the preview stream to a usable format using the YUV420-to-RGB algorithm presented here. In my application, I also do this every 2-3 seconds for the purposes of analysing the colour. You can write an appropriate Runnable and use Handler.postDelayed() (see docs) to chain call for the appropriate interval.

You could also use Message and Handler. SendMessageDelayed() in conjunction with overriding Handler.handleMessage() for the same effect. The key idea is to include code to send (delayed) another identical message in the code to handle that message.

This enables continuous capture. Be careful to clear the message pipeline when you eventually decide to stop your application!

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