observeWhile
inline fun <T> LiveData<T>.observeWhile(lifecycleOwner: LifecycleOwner, crossinline onChanged: (T) -> Boolean): Observer<T>
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Observes this LiveData as long as onChanged returns true and returns the observer. The returned observer can be used to stop observing the LiveData when a callback is no longer desired. It is safe to remove the observer while it is executing or after onChanged returns true.
Parameters
lifecycleOwner
The owner of the observer.
onChanged
Called for each change as long as this lambda returns true.