// java.lang.RuntimeException: Unable to start activity ComponentInfo{net.gsantner.markor/net.gsantner.markor.activity.SettingsActivity}: java.lang.NullPointerException: Attempt to read from field 'boolean net.gsantner.opoc.ui.FilesystemDialogData$Options.cancelButtonEnable' on a null object reference
// at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
// at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
// at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:4077)
// at android.app.ActivityThread.-wrap15(ActivityThread.java)
// at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1350)
// at android.os.Handler.dispatchMessage(Handler.java:102)
// at android.os.Looper.loop(Looper.java:148)
// at android.app.ActivityThread.main(ActivityThread.java:5417)
// at java.lang.reflect.Method.invoke(Native Method)
// at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
// at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
// Caused by: java.lang.NullPointerException: Attempt to read from field 'boolean net.gsantner.opoc.ui.FilesystemDialogData$Options.cancelButtonEnable' on a null object reference
// at net.gsantner.opoc.ui.FilesystemDialog.onViewCreated(FilesystemDialog.java:128)
// at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1430)
// at android.support.v4.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManager.java:1750)
// at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1819)
// at android.support.v4.app.FragmentManagerImpl.dispatchStateChange(FragmentManager.java:3227)
// at android.support.v4.app.FragmentManagerImpl.dispatchActivityCreated(FragmentManager.java:3181)
// at android.support.v4.app.FragmentController.dispatchActivityCreated(FragmentController.java:192)
// at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:572)
// at android.support.v7.app.AppCompatActivity.onStart(AppCompatActivity.java:177)
// at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1237)
// at android.app.Activity.performStart(Activity.java:6268)
// at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2379)
// ... 10 more