Avoid crash when unbinding wallpaper

A wallpaper service might have crashed before we try
to unbind it, in this case a runtime exception will
be thrown. Let's just ignore it since there is nothing
else to be done.

Bug: 62828614
Test: manually set Windy wallpaper and resize it
Change-Id: If9882ea27aaf3c92d2069ae6c8ef409c6ae2fa91
(cherry picked from commit b989a5e9de2d0300c578e79705f670c2b7ffe199)

1 files changed, 7 insertions, 2 deletions

diff --git a/src/com/android/wallpaper/livepicker/LiveWallpaperPreview.java b/src/com/android/wallpaper/livepicker/LiveWallpaperPreview.java
index baaa13c..6dab5c6 100644
--- a/src/com/android/wallpaper/livepicker/LiveWallpaperPreview.java
+++ b/src/com/android/wallpaper/livepicker/LiveWallpaperPreview.java
@@ -439,7 +439,12 @@ public class LiveWallpaperPreview extends Activity {
                     }
                     mEngine = null;
                 }
-                unbindService(this);
+                try {
+                    unbindService(this);
+                } catch (IllegalArgumentException e) {
+                    Log.w(LOG_TAG, "Can't unbind wallpaper service. "
+                            + "It might have crashed, just ignoring.", e);
+                }
                 mService = null;
             }
         }
@@ -485,7 +490,7 @@ public class LiveWallpaperPreview extends Activity {
                 }
             }
         }
-        
+
         public ParcelFileDescriptor setWallpaper(String name) {
             return null;
         }