[java] Android: Internet connectivity change listener

I have noticed that no one mentioned WorkManger solution which is better and support most of android devices.

You should have a Worker with network constraint AND it will fired only if network available, i.e:

val constraints = Constraints.Builder().setRequiredNetworkType(NetworkType.CONNECTED).build()
val worker = OneTimeWorkRequestBuilder<MyWorker>().setConstraints(constraints).build()

And in worker you do whatever you want once connection back, you may fire the worker periodically .

i.e:

inside dowork() callback:

notifierLiveData.postValue(info)

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