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fun currentNetwork(context: Context): Flowable<Network> { | |
val connectivityManager = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager | |
return Flowable.create<Network>({ emitter -> | |
emitter.onNext(Network.NONE) | |
val request = NetworkRequest.Builder() | |
.addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR) | |
.build() | |
val networkCallback = object: ConnectivityManager.NetworkCallback() { | |
override fun onAvailable(network: android.net.Network) { | |
emitter.onNext(Network.CELLULAR) | |
} | |
override fun onLost(network: android.net.Network) { | |
emitter.onNext(Network.NONE) | |
} | |
} | |
connectivityManager.requestNetwork(request, networkCallback) | |
emitter.setCancellable { | |
connectivityManager.unregisterNetworkCallback(networkCallback) | |
} | |
}, BackpressureStrategy.LATEST) | |
} |
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