Verifique la conectividad a Internet de Android en Kotlin

Después de consultar con expertos en el tema, programadores de deferentes áreas y maestros dimos con la respuesta a la interrogande y la plasmamos en esta publicación.

Solución:

Actualizar:
Desde Android 10 el uso de la clase NetWorkInfo y sus métodos está obsoleto, ahora debes usar la clase ConectivityManager y el método getNetworkCapabilities() de NetworkCapabilities Class.

¿Cómo comprobar la conectividad en Android?

kotlin :

fun isOnline(context: Context): Boolean 
    val connectivityManager =
        context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
    if (connectivityManager != null) 
        val capabilities =
            connectivityManager.getNetworkCapabilities(connectivityManager.activeNetwork)
        if (capabilities != null) 
            if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) 
                Log.i("Internet", "NetworkCapabilities.TRANSPORT_CELLULAR")
                return true
             else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) 
                Log.i("Internet", "NetworkCapabilities.TRANSPORT_WIFI")
                return true
             else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET)) 
                Log.i("Internet", "NetworkCapabilities.TRANSPORT_ETHERNET")
                return true
            
        
    
    return false

Java:

public static boolean isOnline(Context context) 
       ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

if (connectivityManager != null) 
       NetworkCapabilities capabilities = connectivityManager.getNetworkCapabilities(connectivityManager.getActiveNetwork());
        if (capabilities != null) 
            if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) 
                Log.i("Internet", "NetworkCapabilities.TRANSPORT_CELLULAR");
                return true;
             else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) 
                Log.i("Internet", "NetworkCapabilities.TRANSPORT_WIFI");
                return true;
              else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET))
                Log.i("Internet", "NetworkCapabilities.TRANSPORT_ETHERNET");
                return true;
            
        
    

return false;

ambos métodos requieren los permisos:

Comprobar la conectividad a internet en android kotlin

fun isNetworkAvailable(context: Context?): Boolean 
    if (context == null) return false
    val connectivityManager = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) 
        val capabilities = connectivityManager.getNetworkCapabilities(connectivityManager.activeNetwork)
        if (capabilities != null) 
            when 
                capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) -> 
                    return true
                
                capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI) -> 
                    return true
                
                capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET) -> 
                    return true
                
            
        
     else 
        val activeNetworkInfo = connectivityManager.activeNetworkInfo
        if (activeNetworkInfo != null && activeNetworkInfo.isConnected) 
            return true
        
    
    return false

 fun verifyAvailableNetwork(activity:AppCompatActivity):Boolean
      val connectivityManager=activity.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
      val networkInfo=connectivityManager.activeNetworkInfo
      return  networkInfo!=null && networkInfo.isConnected

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