twitter: Re: [android-developers] Re: NullPointerException in onRestoreInstanceState

My onRestoreInstanceState looks like this:

@Override

protected void onRestoreInstanceState(Bundle savedInstanceState) {

super.onRestoreInstanceState(savedInstanceState);

Util.Log("SwiperAct.onRestoreInstanceState 0", "starting...");

Util.Log("SwiperAct.onRestoreInstanceState 99", "ending...");

}

But yeah, it looks like I'll have to manually comment out code until it works...

On Saturday, May 19, 2012 2:36:07 AM UTC+8, MagouyaWare wrote:

I believe it would be your SwiperActivity class...

Thanks,
Justin Anderson
MagouyaWare Developer
http://sites.google.com/site/magouyaware

On Fri, May 18, 2012 at 12:28 PM, Justin Anderson <magouyaware@gmail.com> wrote:

What does your onRestoreInstanceState() code look like?

Thanks,
Justin Anderson
MagouyaWare Developer
http://sites.google.com/site/magouyaware

On Fri, May 18, 2012 at 1:20 AM, albnok <albnok@gmail.com> wrote:

I've cross-posted here:

http://stackoverflow.com/questions/10205306/nullpointerexception-in-onrestoreinstancestate

https://github.com/JakeWharton/ActionBarSherlock/issues/448

Also, I have found a way to instantly trigger this instead of eventually pushing the app out of memory - in Settings - Developer options - tick "Don't keep activities".

Run the app, press Home, then hit the Task Switcher and load your app again. It should immediately cause the NullPointerException.

On Monday, April 23, 2012 2:35:32 PM UTC+8, albnok wrote:

SwiperActivity below, extends SherlockFragmentActivity from the ActionBarSherlock 4.0.2 library. I can only get this after loading loads of different apps, then switching back, on an Asus Eee Pad Transformer TF101 on ICS 4.0.3 OTA, as well as the Galaxy Nexus on ICS 4.0.4 OTA. I'm not sure if this is obviously an ICS 4.0.3 bug (it appears to match up with ICS source code herehttp://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/4.0.3_r1/com/android/internal/policy/impl/PhoneWindow.java#PhoneWindow.getPanelState%28int%2Cboolean%29).

I also get this on ActionBarSherlock 4.0.0 and 4.0.1.

I am not overriding onRestoreInstanceState or any of the instances or states.

(I also log the first line of each overridden Activity method e.g. "SwiperAct.onCreate 0" and at the end, "SwiperAct.onCreate 99", to try to pinpoint which method causes this. I log onResume as well so I know that this bug happens after onCreate and before onResume.)

04-16 14:30:57.710: D/dalvikvm(667): GC_CONCURRENT freed 2692K, 71% free 8750K/30023K, paused 2ms+4ms
      04-16 14:30:58.140: D/dalvikvm(667): GC_CONCURRENT freed 120K, 69% free 9362K/30023K, paused 3ms+4ms
      04-16 14:30:58.480: D/dalvikvm(667): GC_CONCURRENT freed 16K, 67% free 10207K/30023K, paused 4ms+5ms
      04-16 14:31:00.700: D/dalvikvm(18313): Late-enabling CheckJNI
      04-16 14:31:00.700: I/ActivityManager(557): Start proc com.company.appname for activity com.company.appname/.SwiperActivity: pid=18313 uid=10011 gids={3003, 1015}
      04-16 14:31:00.720: D/WindowManager(557): readLidState, sw:1
      04-16 14:31:00.720: D/WindowManager(557): adjustConfigurationLw, config:{1.0 0mcc0mnc (no locale) layoutdir=0 sw800dp w1280dp h752dp xlrg land ?uimode ?night finger qwerty/v/v -nav/v} mLidOpen:1 mHasDockFeature:true mHasHallSensorFeature:true config.hardKeyboardHidden:1
      04-16 14:31:00.730: D/OpenGLRenderer(18274): Flushing caches (mode 1)
      04-16 14:31:00.730: D/dalvikvm(18313): Debugger has detached; object registry had 1 entries
      04-16 14:31:00.900: D/OpenGLRenderer(18274): Flushing caches (mode 0)
      04-16 14:31:00.950: D/OpenGLRenderer(667): Flushing caches (mode 0)
      04-16 14:31:00.970: E/SwiperAct.onCreate 0(18313): starting...
      04-16 14:31:00.980: D/SwiperAct.onSingleUse 0(18313): starting...
      04-16 14:31:01.050: D/SQLiteUtil(18313): create DatabaseOpenHelper instance
      04-16 14:31:01.050: D/SQLiteUtil(18313): create DatabaseOpenHelper instance
      04-16 14:31:01.080: V/SQLiteOpenHelper(18313): onOpen()
      04-16 14:31:01.100: V/SQLiteOpenHelper(18313): onOpen()
      04-16 14:31:01.100: D/SwiperAct.onSingleUse 99(18313): ending...
      04-16 14:31:01.120: D/dalvikvm(18313): GC_CONCURRENT freed 209K, 5% free 6728K/7047K, paused 4ms+2ms
      04-16 14:31:01.190: E/SwiperAct.onCreate 99(18313): ending...
      04-16 14:31:01.200: D/AndroidRuntime(18313): Shutting down VM
      04-16 14:31:01.200: W/dalvikvm(18313): threadid=1: thread exiting with uncaught exception (group=0x40a7b1f8)
      04-16 14:31:01.200: E/AndroidRuntime(18313): FATAL EXCEPTION: main
      04-16 14:31:01.200: E/AndroidRuntime(18313): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.company.appname/com.company.appname.SwiperActivity}: java.lang.NullPointerException
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at android.app.ActivityThread.access$600(ActivityThread.java:123)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at android.os.Handler.dispatchMessage(Handler.java:99)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at android.os.Looper.loop(Looper.java:137)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at android.app.ActivityThread.main(ActivityThread.java:4424)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at java.lang.reflect.Method.invokeNative(Native Method)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at java.lang.reflect.Method.invoke(Method.java:511)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at dalvik.system.NativeStart.main(Native Method)
      04-16 14:31:01.200: E/AndroidRuntime(18313): Caused by: java.lang.NullPointerException
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at com.android.internal.policy.impl.PhoneWindow$PanelFeatureState.onRestoreInstanceState(PhoneWindow.java:3341)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at com.android.internal.policy.impl.PhoneWindow.restorePanelState(PhoneWindow.java:1663)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at com.android.internal.policy.impl.PhoneWindow.restoreHierarchyState(PhoneWindow.java:1619)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at android.app.Activity.onRestoreInstanceState(Activity.java:906)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at android.app.Activity.performRestoreInstanceState(Activity.java:878)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1100)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1934)
      04-16 14:31:01.200: E/AndroidRuntime(18313):    ... 11 more
      04-16 14:31:01.200: W/ActivityManager(557):   Force finishing activity com.company.appname/.SwiperActivity
      04-16 14:31:01.500: D/dalvikvm(18313): GC_CONCURRENT freed 177K, 4% free 7027K/7303K, paused 1ms+3ms
      04-16 14:31:01.610: D/dalvikvm(18313): GC_CONCURRENT freed 114K, 3% free 7455K/7623K, paused 6ms+3ms
      04-16 14:31:01.740: D/dalvikvm(18313): GC_CONCURRENT freed 117K, 3% free 7900K/8071K, paused 3ms+3ms
      04-16 14:31:01.750: D/WindowManager(557): readLidState, sw:1
      04-16 14:31:01.750: D/WindowManager(557): adjustConfigurationLw, config:{1.0 0mcc0mnc (no locale) layoutdir=0 sw800dp w1280dp h752dp xlrg land ?uimode ?night finger qwerty/v/v -nav/v} mLidOpen:1 mHasDockFeature:true mHasHallSensorFeature:true config.hardKeyboardHidden:1
      04-16 14:31:01.750: W/ActivityManager(557): Activity pause timeout for ActivityRecord{41568e50 com.company.appname/.SwiperActivity}    Is this an Android bug, or could it be ActionBarSherlock's? I don't even know where to look, if it is my app's bug.

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Sunday, May 20, 2012

Re: [android-developers] Re: NullPointerException in onRestoreInstanceState

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