Fix lowenergyscanner when dealing with device scan errors

Previously the error was indicated but other UI elements were still
giving the impression that the scan was ongoing.

Change-Id: Iafab8f43bff3303eb6ad5e3385db2f81288d2e66
Reviewed-by: Timur Pocheptsov <Timur.Pocheptsov@digia.com>
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/examples/bluetooth/lowenergyscanner/assets/main.qml b/examples/bluetooth/lowenergyscanner/assets/main.qml
index e135d699..7f03d4fa 100644
--- a/examples/bluetooth/lowenergyscanner/assets/main.qml
+++ b/examples/bluetooth/lowenergyscanner/assets/main.qml
@@ -137,8 +137,12 @@ Rectangle {
         menuText: device.update
         onButtonClick: {
             device.startDeviceDiscovery();
-            info.dialogText = "Searching...";
-            info.visible = true;}
+            // if startDeviceDiscovery() failed device.state is not set
+            if (device.state) {
+                info.dialogText = "Searching...";
+                info.visible = true;
+            }
+        }
     }
 
     Loader {