The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
It is my understanding that you cannot develop for the Ambient Light Sensor as you need to use a private Framework which is not permitted for App Store apps. However there are several Light Meter apps available. Does anyone know how these work and can the technique be used to measure ambient light ?
They all seem to use the camera(s).
iPhone Light Sensing App
