Fixing null ref exception

Change-Id: I18e3f2d029984431b6244487d799cd58f6a0235f
Signed-off-by: k.stepaniuk <k.stepaniuk@samsung.com>

diff --git a/TVHome/TVHome/TVHome.cs b/TVHome/TVHome/TVHome.cs
index 8afe1a1..1f0a7a9 100755 (executable)
--- a/TVHome/TVHome/TVHome.cs
+++ b/TVHome/TVHome/TVHome.cs
@@ -211,7 +211,7 @@ namespace TVHome
         public void OnAppInstalled(string pkgID)
         {
             DebuggingUtils.Dbg("[[[ App Installed ]]] " + pkgID);
-            AppInstalledListener.Invoke(this, new TVHomeEventArgs()
+            AppInstalledListener?.Invoke(this, new TVHomeEventArgs()
             {
                 arg = pkgID,
             });