[Android] Prevent NPE for unknown device

[Geoffrey Métais]

vlc-ports/android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Wed Feb 18 14:57:41 2015 +0100| [7592242732eeb3c9cf2d0c51b20de4619add184e] | committer: Geoffrey Métais

Prevent NPE for unknown device

CID #1270883

> http://git.videolan.org/gitweb.cgi/vlc-ports/android.git/?a=commit;h=7592242732eeb3c9cf2d0c51b20de4619add184e
---

 .../videolan/vlc/gui/tv/audioplayer/AudioPlayerActivity.java    |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/vlc-android/tv/src/org/videolan/vlc/gui/tv/audioplayer/AudioPlayerActivity.java b/vlc-android/tv/src/org/videolan/vlc/gui/tv/audioplayer/AudioPlayerActivity.java
index 02373ab..dae8408 100644
--- a/vlc-android/tv/src/org/videolan/vlc/gui/tv/audioplayer/AudioPlayerActivity.java
+++ b/vlc-android/tv/src/org/videolan/vlc/gui/tv/audioplayer/AudioPlayerActivity.java
@@ -201,9 +201,12 @@ public class AudioPlayerActivity extends Activity implements AudioServiceControl
 
     public boolean dispatchGenericMotionEvent(MotionEvent event){
 
-        InputDevice mInputDevice = event.getDevice();
+        InputDevice inputDevice = event.getDevice();
 
-        float x = AndroidDevices.getCenteredAxis(event, mInputDevice,
+        if (inputDevice == null)
+            return false;
+
+        float x = AndroidDevices.getCenteredAxis(event, inputDevice,
                 MotionEvent.AXIS_X);
 
         if (System.currentTimeMillis() - mLastMove > JOYSTICK_INPUT_DELAY){