When an API exception is happening the exception should be caught in catch block is it?

`
fun invoke(
scope: CoroutineScope,
params: Params?,
onResult: (UseCaseResponse)
) {
val backgroundJob = scope.async {
run(params)
}
scope.launch {
backgroundJob.await().let {
try {

Oppo phones do not receive Firebase push notifications in the background in Oppo Nougat 8