Library used (support-v4, appcompat-v7, ...):
Version used:
com.android.support:appcompat-v7:26.1.0
Theme used:
default
Devices/Android versions reproduced on:
various, all on Android 7.0, 7.1.1 :
samsung: SM-G930F, SM-G935F, SM-G920F, SM-T825, SAMSUNG-SM-G930A
HUAWEI: HUAWEI VNS-L31 , PRA-LX1

- Relevant code to trigger the issue.
Extending AppCompatActivity.

Crash was found via Crashlytics. Can send the link if needed.

The relevant log:
Fatal Exception: java.lang.RuntimeException: Unable to resume activity {...}: java.lang.IllegalArgumentException
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3841)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3882)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1689)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6780)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1496)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1386)
Caused by java.lang.IllegalArgumentException
at android.os.Parcel.readException(Parcel.java:1697)
at android.os.Parcel.readException(Parcel.java:1646)
at android.app.ActivityManagerProxy.isTopOfTask(ActivityManagerNative.java:6643)
at android.app.Activity.isTopOfTask(Activity.java:6178)
at android.app.Activity.onResume(Activity.java:1333)
at android.support.v4.app.FragmentActivity.onResume(FragmentActivity.java:446)
at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1277)
at android.app.Activity.performResume(Activity.java:7094)
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3818)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3882)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1689)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6780)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1496)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1386)