```
java.lang.RuntimeException: Failure delivering result ResultInfo{who=@android:requestPermissions:, request=0, result=-1, data=Intent { act=android.content.pm.action.REQUEST_PERMISSIONS (has extras) }} to activity {com.amaze.filemanager/com.amaze.filemanager.ui.activities.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.ViewGroup.getChildAt(int)' on a null object reference
at android.app.ActivityThread.deliverResults(ActivityThread.java:4877)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:4918)
at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:51)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2045)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7405)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:502)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:980)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.ViewGroup.getChildAt(int)' on a null object reference
at com.amaze.filemanager.ui.fragments.MainFragment.computeScroll(MainFragment.java:1069)
at com.amaze.filemanager.ui.fragments.MainFragment.updateList(MainFragment.java:1219)
at com.amaze.filemanager.ui.activities.MainActivity.onPermissionGranted(MainActivity.java:553)
at com.amaze.filemanager.ui.activities.superclasses.PermissionsActivity.onRequestPermissionsResult(PermissionsActivity.java:71)
at android.app.Activity.dispatchRequestPermissionsResult(Activity.java:8335)
at android.app.Activity.dispatchActivityResult(Activity.java:8185)
at android.app.ActivityThread.deliverResults(ActivityThread.java:4870)
... 11 more
```
Issue explanation (write below this line)
Exception
Crash log
``` java.lang.RuntimeException: Failure delivering result ResultInfo{who=@android:requestPermissions:, request=0, result=-1, data=Intent { act=android.content.pm.action.REQUEST_PERMISSIONS (has extras) }} to activity {com.amaze.filemanager/com.amaze.filemanager.ui.activities.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.ViewGroup.getChildAt(int)' on a null object reference at android.app.ActivityThread.deliverResults(ActivityThread.java:4877) at android.app.ActivityThread.handleSendResult(ActivityThread.java:4918) at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:51) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2045) at android.os.Handler.dispatchMessage(Handler.java:107) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7405) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:502) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:980) Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.ViewGroup.getChildAt(int)' on a null object reference at com.amaze.filemanager.ui.fragments.MainFragment.computeScroll(MainFragment.java:1069) at com.amaze.filemanager.ui.fragments.MainFragment.updateList(MainFragment.java:1219) at com.amaze.filemanager.ui.activities.MainActivity.onPermissionGranted(MainActivity.java:553) at com.amaze.filemanager.ui.activities.superclasses.PermissionsActivity.onRequestPermissionsResult(PermissionsActivity.java:71) at android.app.Activity.dispatchRequestPermissionsResult(Activity.java:8335) at android.app.Activity.dispatchActivityResult(Activity.java:8185) at android.app.ActivityThread.deliverResults(ActivityThread.java:4870) ... 11 more ```
Reporter: andymarkovic