java - The task has more than one activity -


an android app i'm looking after doesn't work on new samsung s8. structure main activity fragments.

code:

((imagebutton) settingsdialog.findviewbyid(r.id.btn_dialog_setup_close))     .setonclicklistener(new view.onclicklistener() {         @override         public void onclick(view v) {             settingsdialog.dismiss();             getactivity().startactivity(new intent(wifimanager.action_pick_wifi_network));         }     });

logcat:

--------- beginning of crash 08-22 07:36:19.733 22472-22472/com.xyz.activities.app e/androidruntime: fatal exception: main     process: com.xyz.activities.app, pid: 22472     java.lang.nullpointerexception: attempt invoke virtual method 'void android.app.activity.startactivity(android.content.intent)' on null object reference     @ com.xyz.activities.app.fragments.setupfragment$4.onclick(setupfragment.java:324)     @ android.view.view.performclick(view.java:6261)     @ android.view.view$performclick.run(view.java:23748)     @ android.os.handler.handlecallback(handler.java:751)     @ android.os.handler.dispatchmessage(handler.java:95)     @ android.os.looper.loop(looper.java:154)     @ android.app.activitythread.main(activitythread.java:6776)     @ java.lang.reflect.method.invoke(native method)     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1520)     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1410) 08-22 07:36:19.745 3840-4352/? d/debug: !@dumpstate : ship 08-22 07:36:19.745 3840-4352/? d/debug: !@dumpstate : debug level:0x4f4c 08-22 07:36:19.745 3840-4352/? d/debug: !@dumpstate : finally, system skip dumpstate 08-22 07:36:19.746 3840-4352/? w/activitymanager:   force finishing activity com.xyz.activities.app/.activities.mainactivity 08-22 07:36:19.746 3840-4352/? w/multiscreenmanagerservice: movetaskbacktodisplayifneeded(): task has more 1 activity 08-22 07:36:19.747 3840-4352/? d/activitymanager: movetofront() : reason=finishactivity adjustfocus setfocusedactivity isattached=true taskrecord{77cce84d0 #32 a=com.xyz.activities.app u=0 stackid=1 sz=2}

question:

  1. is there way fix samsung devices?
  2. googling main problem "the task has more 1 activity" doesn't return useful. new samsung specific error?


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