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@ -37,6 +37,18 @@ class ConnectivityManagerNetworkMonitor @Inject constructor(
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) : NetworkMonitor {
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) : NetworkMonitor {
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override val isOnline: Flow<Boolean> = callbackFlow {
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override val isOnline: Flow<Boolean> = callbackFlow {
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val connectivityManager = context.getSystemService<ConnectivityManager>()
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val connectivityManager = context.getSystemService<ConnectivityManager>()
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if (connectivityManager == null) {
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channel.trySend(false)
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channel.close()
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return@callbackFlow
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}
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/**
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* Sends the latest connectivity status to the underlying channel.
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*/
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fun update() {
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channel.trySend(connectivityManager.isCurrentlyConnected())
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}
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/**
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/**
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* The callback's methods are invoked on changes to *any* network, not just the active
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* The callback's methods are invoked on changes to *any* network, not just the active
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@ -44,47 +56,37 @@ class ConnectivityManagerNetworkMonitor @Inject constructor(
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* ConnectivityManager.
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* ConnectivityManager.
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*/
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*/
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val callback = object : NetworkCallback() {
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val callback = object : NetworkCallback() {
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override fun onAvailable(network: Network) {
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override fun onAvailable(network: Network) = update()
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channel.trySend(connectivityManager.isCurrentlyConnected())
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}
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override fun onLost(network: Network) {
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override fun onLost(network: Network) = update()
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channel.trySend(connectivityManager.isCurrentlyConnected())
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}
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override fun onCapabilitiesChanged(
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override fun onCapabilitiesChanged(
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network: Network,
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network: Network,
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networkCapabilities: NetworkCapabilities,
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networkCapabilities: NetworkCapabilities,
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) {
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) = update()
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channel.trySend(connectivityManager.isCurrentlyConnected())
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}
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}
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}
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connectivityManager?.registerNetworkCallback(
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connectivityManager.registerNetworkCallback(
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Builder()
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Builder()
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.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
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.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
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.build(),
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.build(),
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callback,
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callback,
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)
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)
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channel.trySend(connectivityManager.isCurrentlyConnected())
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update()
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awaitClose {
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awaitClose {
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connectivityManager?.unregisterNetworkCallback(callback)
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connectivityManager.unregisterNetworkCallback(callback)
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}
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}
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}
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}
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.conflate()
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.conflate()
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@Suppress("DEPRECATION")
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@Suppress("DEPRECATION")
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private fun ConnectivityManager?.isCurrentlyConnected() = when (this) {
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private fun ConnectivityManager.isCurrentlyConnected() = when {
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null -> false
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else -> when {
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VERSION.SDK_INT >= VERSION_CODES.M ->
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VERSION.SDK_INT >= VERSION_CODES.M ->
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activeNetwork
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activeNetwork
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?.let(::getNetworkCapabilities)
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?.let(::getNetworkCapabilities)
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?.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
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?.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
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?: false
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else -> activeNetworkInfo?.isConnected
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else -> activeNetworkInfo?.isConnected ?: false
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} ?: false
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}
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}
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}
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}
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