Scenario:

• set "Don't keep Activities" in Developer Options
• start Android-CleanArchitecture application
• go to Users List
• pick first entry, "Simon Hill" is presented
• press recent apps button
• go back to Android-CleanArchitecture application
• NPE

05-09 16:26:44.956 24604-24604/com.fernanependocejas.android10.sample.presentation E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.fernanependocejas.android10.sample.presentation, PID: 24604
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.fernanependocejas.android10.sample.presentation/com.fernandocejas.android10.sample.presentation.view.activity.UserDetailsActivity}: java.lang.NullPointerException: Attempt to invoke interface method 'void com.fernandocejas.android10.sample.presentation.internal.di.components.UserComponent.inject(com.fernandocejas.android10.sample.presentation.view.fragment.UserDetailsFragment)' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2484)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2544)
at android.app.ActivityThread.access900ドル(ActivityThread.java:150)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1394)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:168)
at android.app.ActivityThread.main(ActivityThread.java:5845)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:797)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:687)
Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'void com.fernandocejas.android10.sample.presentation.internal.di.components.UserComponent.inject(com.fernandocejas.android10.sample.presentation.view.fragment.UserDetailsFragment)' on a null object reference
at com.fernandocejas.android10.sample.presentation.view.fragment.UserDetailsFragment.onCreate(UserDetailsFragment.java:48)
at android.app.Fragment.performCreate(Fragment.java:2198)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:942)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1148)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1130)
at android.app.FragmentManagerImpl.dispatchCreate(FragmentManager.java:1948)
at android.app.FragmentController.dispatchCreate(FragmentController.java:141)
at android.app.Activity.onCreate(Activity.java:924)
at com.fernandocejas.android10.sample.presentation.view.activity.BaseActivity.onCreate(BaseActivity.java:22)
at com.fernandocejas.android10.sample.presentation.view.activity.UserDetailsActivity.onCreate(UserDetailsActivity.java:37)
at android.app.Activity.performCreate(Activity.java:6248)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1125)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2437)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2544)
at android.app.ActivityThread.access900ドル(ActivityThread.java:150)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1394)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:168)
at android.app.ActivityThread.main(ActivityThread.java:5845)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:797)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:687)

This may be related to #92.