add Call UIObserver
Observe the start or destroy event of an activity created for calls. Remember to remove the observer or a leak will occur!
Since
v1.4.10
Parameters
observer
CallUIObserver
open fun addCallUIObserver(activity: FragmentActivity, observer: CallUIObserver)
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Observe the starting or destroy event of an activity created for calls. The observer is automatically disposed when activity is destroyed.
Since
v1.4.10
Parameters
activity
FragmentActivity
observer
CallUIObserver