csapi-sensor: check if the sensor is started or not when Stop() is called

Change-Id: I2674d2e5e78f092fe8108779f4712ce28c4b3d5d
Signed-off-by: kibak.yoon <kibak.yoon@samsung.com>

diff --git a/src/Tizen.Sensor/Tizen.Sensor/Sensor.cs b/src/Tizen.Sensor/Tizen.Sensor/Sensor.cs
index 041d581..5589d43 100755 (executable)
--- a/src/Tizen.Sensor/Tizen.Sensor/Sensor.cs
+++ b/src/Tizen.Sensor/Tizen.Sensor/Sensor.cs
@@ -303,7 +303,7 @@ namespace Tizen.Sensor
         public void Stop()
         {
             Log.Info(Globals.LogTag, "Stopping the sensor");
-            if (CheckListenerHandle())
+            if (_isSensing)
             {
                 int error = Interop.SensorListener.StopListener(_listenerHandle);
                 if (error != (int)SensorError.None)