crash if change from potrait to landscape or vice versa during sytem loading

PROJECT INFORMATION

• repositories :https://github.com/robertoissc/DailyPrayer-Android
• app name : dayli prayer
• issues : https://github.com/robertoissc/DailyPrayer-Android/issues/22

EXPECTED BEHAVIOR

when a user accidentally changes the appearance of their phone before it is fully loaded, this application will still work properly

ACTUAL BEHAVIOR

if the appearance of the phone changes before it is fully loaded, this application crashes

HOW TO REPRODUCE

step reproduce

• open the app and before the app fully loaded change the view

DEVICE: android 6.01
BROWSER: dayli prayer v 18.10.01

bug recording

LOG CAT

java.lang.NullPointerException: Attempt to invoke interface method 'void com.isscroberto.dailyprayerandroid.prayer.PrayerContract$View.showPrayer(com.isscroberto.dailyprayerandroid.data.models.Item)' on a null object reference
    at com.isscroberto.dailyprayerandroid.prayer.PrayerPresenter$1.onResponse(PrayerPresenter.java:66)
    at retrofit2.ExecutorCallAdapterFactory$ExecutorCallbackCall$1$1.run(ExecutorCallAdapterFactory.java:68)
    at android.os.Handler.handleCallback(Handler.java:815)
    at android.os.Handler.dispatchMessage(Handler.java:104)
    at android.os.Looper.loop(Looper.java:218)
    at android.app.ActivityThread.main(ActivityThread.java:5657)
    at java.lang.reflect.Method.invoke(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:372)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:990)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:785)```