56 lines
1.3 KiB
C#
56 lines
1.3 KiB
C#
namespace Blahblah.Library.Network;
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public partial class Connectivity
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{
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const string hostName = "www.baidu.com";
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static NetworkStatus currentStatus;
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static Action<NetworkStatus>? changedInternal;
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public static NetworkStatus Status => PlatformGetStatus();
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public static event Action<NetworkStatus> Changed
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{
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add
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{
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var running = changedInternal != null;
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changedInternal += value;
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if (!running && changedInternal != null)
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{
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currentStatus = Status;
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StartListeners();
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}
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}
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remove
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{
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var running = changedInternal != null;
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changedInternal -= value;
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if (running && changedInternal == null)
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{
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StopListeners();
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}
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}
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}
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private static partial NetworkStatus PlatformGetStatus();
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private static partial void StartListeners();
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private static partial void StopListeners();
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static void OnConnectivityChanged()
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{
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var status = Status;
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if (currentStatus != status)
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{
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currentStatus = status;
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changedInternal?.Invoke(status);
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}
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}
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}
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public enum NetworkStatus
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{
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NotReachable,
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ReachableViaCarrierDataNetwork,
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ReachableViaWiFiNetwork
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} |