[Android] VideoPlayer: Fix potential NPE

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Mon Jan  7 17:53:30 2019 +0100| [cb333466e8a64705bdb8d585e2d745b1eee028d2] | committer: Geoffrey Métais

VideoPlayer: Fix potential NPE

> https://code.videolan.org/videolan/vlc-android/commit/cb333466e8a64705bdb8d585e2d745b1eee028d2
---

 vlc-android/src/org/videolan/vlc/gui/video/VideoPlayerActivity.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/vlc-android/src/org/videolan/vlc/gui/video/VideoPlayerActivity.java b/vlc-android/src/org/videolan/vlc/gui/video/VideoPlayerActivity.java
index cf6cf0394..14a8184e1 100644
--- a/vlc-android/src/org/videolan/vlc/gui/video/VideoPlayerActivity.java
+++ b/vlc-android/src/org/videolan/vlc/gui/video/VideoPlayerActivity.java
@@ -1525,8 +1525,10 @@ public class VideoPlayerActivity extends AppCompatActivity implements IPlaybackS
     };
 
     private void onPlaying() {
+        final PlaybackService service = mService;
+        if (service == null) return;
         mIsPlaying = true;
-        final MediaWrapper mw = mService.getCurrentMediaWrapper();
+        final MediaWrapper mw = service.getCurrentMediaWrapper();
         if (mw == null) return;
         setPlaybackParameters();
         stopLoading();