Protocols

NextLevel delegate, provides updates for authorization, configuration changes, session state, preview state, and mode changes.

Preview delegate, provides update for

Device delegate, provides updates on device position, orientation, clean aperture, focus, exposure, and white balances changes.

Flash and torch delegate, provides updates on active flash and torch related changes.

Video delegate, provides updates on video related recording and capture functionality. All methods are called on the main queue with the exception of nextLevel:renderToCustomContextWithSampleBuffer:onQueue.

Photo delegate, provides updates on photo related capture functionality.

Depth data delegate, provides depth data updates

Portrait Effects Matte delegate, provides portrait effects matte updates

Metadata Output delegate, provides objects like faces and barcodes