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c:geo crashes on resume in CacheDetailActivity

See original GitHub issue

Describe your problem!

c:geo crashes when CacheDetailActivity is resumed after low-memory situation.

How to reproduce?

Open cache details
Put c:geo into background
Do something that uses lots of memory and causes the CacheDetailActivity to be suspended
Switch back to c:geo

Actual result after these steps?

c:geo crashes with

12-04 19:13:52.760  8835  8835 W cgeo    : [main] UncaughtException
12-04 19:13:52.760  8835  8835 W cgeo    : java.lang.RuntimeException: Unable to start activity ComponentInfo{cgeo.geocaching/cgeo.geocaching.CacheDetailActivity}: java.lang.ClassCastException: android.view.AbsSavedState$1 cannot be cast to android.widget.ScrollView$SavedState
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2684)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2751)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.app.ActivityThread.-wrap12(ActivityThread.java)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1496)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.os.Handler.dispatchMessage(Handler.java:102)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.os.Looper.loop(Looper.java:154)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.app.ActivityThread.main(ActivityThread.java:6186)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at java.lang.reflect.Method.invoke(Native Method)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)
12-04 19:13:52.760  8835  8835 W cgeo    : Caused by: java.lang.ClassCastException: android.view.AbsSavedState$1 cannot be cast to android.widget.ScrollView$SavedState
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.widget.ScrollView.onRestoreInstanceState(ScrollView.java:1832)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.view.View.dispatchRestoreInstanceState(View.java:15755)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:3231)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.view.View.restoreHierarchyState(View.java:15733)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.fragment.app.Fragment.restoreViewState(Fragment.java:639)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.fragment.app.Fragment.restoreViewState(Fragment.java:3010)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.fragment.app.Fragment.performActivityCreated(Fragment.java:3001)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.fragment.app.FragmentStateManager.activityCreated(FragmentStateManager.java:580)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:285)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.fragment.app.FragmentStore.moveToExpectedState(FragmentStore.java:112)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:1647)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.fragment.app.FragmentManager.dispatchStateChange(FragmentManager.java:3128)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.fragment.app.FragmentManager.dispatchActivityCreated(FragmentManager.java:3072)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.fragment.app.FragmentController.dispatchActivityCreated(FragmentController.java:251)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.fragment.app.FragmentActivity.onStart(FragmentActivity.java:502)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at androidx.appcompat.app.AppCompatActivity.onStart(AppCompatActivity.java:246)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at cgeo.geocaching.activity.AbstractActivity.onStart(AbstractActivity.java:305)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1249)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.app.Activity.performStart(Activity.java:6701)
12-04 19:13:52.760  8835  8835 W cgeo    : 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2647)