Crash affichage nombre d'images sur la page d'accueil

Imported issue: This issue was initially reported by @dvojtise in https://gforge.inria.fr/tracker/?func=detail&aid=21733 (Additionnal comments haven't been imported and may still be there)

je ne sais pas vraiment quelle situation y mène: (dossiers en cours de déplacement ? première install ?)

néamoins on devrait pouvoir être plus robuste sur ce cas

USER_COMMENT=null

ANDROID_VERSION=6.0.1

APP_VERSION_NAME=4.3

BRAND=Hisense

PHONE_MODEL=STARADDICT 6

CUSTOM_DATA=

STACK_TRACE=java.lang.RuntimeException: Unable to resume activity {fr.ffessm.doris.android/fr.ffessm.doris.android.activities.Accueil_CustomViewActivity}: java.lang.NullPointerException: Attempt to get length of null array

at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3104)

at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3135)

at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2482)

at android.app.ActivityThread.access$900(ActivityThread.java:151)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1345)

at android.os.Handler.dispatchMessage(Handler.java:102)

at android.os.Looper.loop(Looper.java:148)

at android.app.ActivityThread.main(ActivityThread.java:5445)

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 get length of null array

at fr.ffessm.doris.android.tools.Disque_Outils.nbFileInFolder(Disque_Outils.java:132)

at fr.ffessm.doris.android.tools.Photos_Outils.refreshImagesNbInFolder(Photos_Outils.java:589)

at fr.ffessm.doris.android.tools.Photos_Outils.getImageCountInFolder(Photos_Outils.java:607)

at fr.ffessm.doris.android.tools.Photos_Outils.getPhotoDiskUsage(Photos_Outils.java:682)

at fr.ffessm.doris.android.tools.Photos_Outils.getPhotosDiskUsage(Photos_Outils.java:649)

at fr.ffessm.doris.android.tools.Photos_Outils.getPhotosDiskUsageInPreferedLocation(Photos_Outils.java:645)

at fr.ffessm.doris.android.tools.Photos_Outils.getCurrentPhotosDiskUsageShortSummary(Photos_Outils.java:671)

at fr.ffessm.doris.android.activities.Accueil_CustomViewActivity.updateProgressBarZone(Accueil_CustomViewActivity.java:550)

at fr.ffessm.doris.android.activities.Accueil_CustomViewActivity.refreshScreenData(Accueil_CustomViewActivity.java:740)

at fr.ffessm.doris.android.activities.Accueil_CustomViewActivity.onResume(Accueil_CustomViewActivity.java:246)

at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1259)

at android.app.Activity.performResume(Activity.java:6387)

at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3093)

... 10 more

java.lang.NullPointerException: Attempt to get length of null array