java.lang.RuntimeException: Unable to start activity ComponentInfo{org.tomdroid/org.tomdroid.ui.CompareNotes}: java.lang.NullPointerException
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1830)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1851)
at android.app.ActivityThread.access$1500(ActivityThread.java:132)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1038)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:150)
at android.app.ActivityThread.main(ActivityThread.java:4277)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException
at org.tomdroid.sync.SyncService.addPushable(SyncService.java:592)
at org.tomdroid.ui.CompareNotes.pushNote(CompareNotes.java:492)
at org.tomdroid.ui.CompareNotes.onCreate(CompareNotes.java:206)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1072)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1794)
... 11 more
It seems that this user put the app to the background with CompareNotes showing. When it was brought to the front again, SyncService was already destroyed leading to NullPointer.