From f48c5200a71d2e443c7617bad90471386853269e Mon Sep 17 00:00:00 2001
From: Anton Sadovsky <a.sadovsky@di-group.biz>
Date: Mon, 13 Nov 2017 12:18:36 +0700
Subject: [PATCH] Added IAdapter DeviceDisconnected invokation on bluetooth
 turn off (iOS only)

---
 Source/Plugin.BLE.iOS/Adapter.cs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Source/Plugin.BLE.iOS/Adapter.cs b/Source/Plugin.BLE.iOS/Adapter.cs
index a7e896b1..edb0a6cf 100644
--- a/Source/Plugin.BLE.iOS/Adapter.cs
+++ b/Source/Plugin.BLE.iOS/Adapter.cs
@@ -49,6 +49,18 @@ public Adapter(CBCentralManager centralManager)
             {
                 Trace.Message("UpdatedState: {0}", _centralManager.State);
                 _stateChanged.Set();
+
+                //handle PoweredOff state
+                //notify subscribers about disconnection
+                if (_centralManager.State == CBCentralManagerState.PoweredOff)
+                {
+                    foreach (var device in _deviceConnectionRegistry.Values.ToList())
+                    {
+                        _deviceConnectionRegistry.Remove(device.Id.ToString());
+                        ((Device)device).ClearServices();
+                        HandleDisconnectedDevice(false, device);
+                    }
+                }
             };
 
             _centralManager.ConnectedPeripheral += (sender, e) =>