In this episode, Conrad Stoll takes us through the new APIs we have for accessing raw information from the digital crown on the Apple Watch. In previous versions of watchOS, we had to resort to using builtin controls (or silly hacks), but now we have the raw data so we have much more flexibility.
Episode Links Source Code The Digital Crown Crown Sequencer Setting up the Crown Sequencer self.crownSequencer.delegate = self self.crownSequencer.focus() Using the Crown Sequencer's Rotational Delta func crownDidRotate(_ crownSequencer: WKCrownSequencer?, rotationalDelta: Double) { if rotationalDelta < 0 { // Decreasing } else if rotationalDelta > 0 { // Increasing } } Using the Crown Sequencer's Velocity if let rotationsPerSecond = crownSequencer?.rotationsPerSecond { if rotationsPerSecond > 1.0 { // Increase delta } } Noticing When the Crown Stopped Moving func crownDidBecomeIdle(_ crownSequencer: WKCrownSequencer?) { }