internet broadcast receiver android
NetworkConnectionLiveData(context ?: return)
.observe(viewLifecycleOwner, Observer { isConnected ->
if (!isConnected) {
// Internet Not Available
return@Observer
}
// Internet Available
})internet broadcast receiver android
class NetworkConnectionLiveData(val context: Context) : LiveData<Boolean>() {
private var connectivityManager: ConnectivityManager = context.getSystemService(CONNECTIVITY_SERVICE) as ConnectivityManager
private lateinit var connectivityManagerCallback: ConnectivityManager.NetworkCallback
override fun onActive() {
super.onActive()
updateConnection()
when {
Build.VERSION.SDK_INT >= Build.VERSION_CODES.N -> connectivityManager.registerDefaultNetworkCallback(getConnectivityManagerCallback())
Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP -> lollipopNetworkAvailableRequest()
else -> {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
context.registerReceiver(networkReceiver, IntentFilter("android.net.conn.CONNECTIVITY_CHANGE"))
}
}
}
}
override fun onInactive() {
super.onInactive()
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
connectivityManager.unregisterNetworkCallback(connectivityManagerCallback)
} else {
context.unregisterReceiver(networkReceiver)
}
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private fun lollipopNetworkAvailableRequest() {
val builder = NetworkRequest.Builder()
.addTransportType(android.net.NetworkCapabilities.TRANSPORT_CELLULAR)
.addTransportType(android.net.NetworkCapabilities.TRANSPORT_WIFI)
connectivityManager.registerNetworkCallback(builder.build(), getConnectivityManagerCallback())
}
private fun getConnectivityManagerCallback(): ConnectivityManager.NetworkCallback {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
connectivityManagerCallback = object : ConnectivityManager.NetworkCallback() {
override fun onAvailable(network: Network?) {
postValue(true)
}
override fun onLost(network: Network?) {
postValue(false)
}
}
return connectivityManagerCallback
} else {
throw IllegalAccessError("Should not happened")
}
}
private val networkReceiver = object : BroadcastReceiver() {
override fun onReceive(context: Context, intent: Intent) {
updateConnection()
}
}
private fun updateConnection() {
val activeNetwork: NetworkInfo? = connectivityManager.activeNetworkInfo
postValue(activeNetwork?.isConnected == true)
}
}Copyright © 2021 Codeinu
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