android - Fragment duplicate tab Layout -

i have fragment have 3 tabs in, after came homefragment activity it's same have duplicate layout

please inform me if i'm doing wrong ?

homefragment.class

    public class homefragment extends fragment {     public void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);       }     public view oncreateview(layoutinflater inflater , viewgroup container ,                                  bundle savedinstancestate) {              view rootview = inflater.inflate(r.layout.fragment_home,container,false);              // [start tabs]             toolbar toolbar = (toolbar) rootview.findviewbyid(r.id.toolbar_fragment);             //toolbar.setnavigationicon(android.r.drawable.ic_menu_preferences);               ((appcompatactivity) getactivity()).setsupportactionbar(toolbar);              ((appcompatactivity) getactivity()).getsupportactionbar().setdisplayoptions(actionbar.display_show_custom);              ((appcompatactivity) getactivity()).getsupportactionbar().setdisplayhomeasupenabled(true);              viewpager = (viewpager) rootview.findviewbyid(r.id.fragmetn_viewpager);              setupviewpager(viewpager);              tablayout = (tablayout) rootview.findviewbyid(r.id.tabs_fragment);             tablayout.setupwithviewpager(viewpager);             //[*end tab ]              return rootview;         }           private void setupviewpager(viewpager viewpager){             viewpageradapter adapter = new viewpageradapter(getchildfragmentmanager());             adapter.notifydatasetchanged();             adapter.addfragment(new tab1fragment() , "tab1");             adapter.addfragment(new tab2fragment() , "tab2");             adapter.addfragment(new tab3fragment() , "tab3");             viewpager.setadapter(adapter);         }     } 

try as:

<?xml version="1.0" encoding="utf-8"?> <linearlayout     xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:app="http://schemas.android.com/apk/res-auto"     android:layout_width="match_parent"     android:orientation="vertical"     android:layout_height="wrap_content">       <android.support.design.widget.tablayout         android:id="@+id/tabs"         app:tabgravity="fill"         app:tabmode="scrollable"         android:background="@color/material_blue_grey_800"         app:tabindicatorcolor="@color/orange"         app:tabselectedtextcolor="@color/orange"         app:tabtextcolor="@color/white"         android:layout_width="match_parent"         android:singleline="true"         android:layout_height="wrap_content">      </android.support.design.widget.tablayout>      <android.support.v4.view.viewpager         android:id="@+id/viewpager"         android:layout_width="match_parent"         android:layout_height="match_parent">      </android.support.v4.view.viewpager>  </linearlayout> 

and:

public class tabfragment extends fragment {      public tablayout tablayout;     public viewpager viewpager;      private static int currentitem = 0;     myadapter adapter;      public static tabfragment newinstance(int someint) {         tabfragment frag = new tabfragment();         bundle args = new bundle();         args.putint("tab", someint);         frag.setarguments(args);         return frag;     }      @override     public void onsaveinstancestate(bundle outstate) {         super.onsaveinstancestate(outstate);         outstate.putint("currentitem", viewpager.getcurrentitem());     }      public static tabfragment newinstance() {         tabfragment frag = new tabfragment();          return frag;     }     @override     public void oncreate(@nullable bundle savedinstancestate) {         super.oncreate(savedinstancestate);         adapter=new myadapter(getchildfragmentmanager());         currentitem=getarguments() != null ? getarguments().getint("tab") : 0;     }      @override     public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) {         /**          *inflate tab_layout , setup views.          */             view x =  inflater.inflate(r.layout.tab_layout,null);             tablayout = (tablayout) x.findviewbyid(r.id.tabs);             viewpager = (viewpager) x.findviewbyid(r.id.viewpager);          /**          *set adapter view pager          */         if (adapter==null) adapter=new myadapter(getchildfragmentmanager());         viewpager.setadapter(adapter);         viewpager.setcurrentitem( currentitem);          /**          * , workaround ,          * setupwithviewpager doesn't work without runnable .          * maybe support library bug .          */          tablayout.post(new runnable() {             @override             public void run() {                     tablayout.setupwithviewpager(viewpager);                    }         });          return x;      }  class myadapter extends fragmentpageradapter {          public myadapter(fragmentmanager fm) {             super(fm);         }          /**          * return fragment respect position .          */          @override         public fragment getitem(int position)         {           switch (position){               case 0 : return new tab1fragment();               case 1 : return new tab2fragment();               case 2 : return new tab3fragment();           }         return null;         }          @override         public int getcount() {             return 3;         }           @override         public charsequence getpagetitle(int position) {              switch (position){                 case 0 :                     return "tab1";                 case 1 :                     return "tab2";                 case 2 :                     return "tab3";             }                 return null;         }     }