Protocol
CallTimerView
@objc public protocol CallTimerView
Represent the timer view with a label showing call's duration.
The view is shown when a call is in progress with the title Call in progress
and an automatically updated timer label showing call's duration in seconds.
On that screen you can change the font, text colors, background color, etc.
Requirements
titleLabel
var titleLabel: UILabel!
timerLabel
var timerLabel: UILabel!
Label displaying call duration in seconds. Refreshed every second.