java - Logo is not showing up on action bar -

i'm trying put logo on actionbar in android nothing seems working. have literally tried every solution find on website , others without luck. appreciated,

jacob

here java:

public class home extends actionbaractivity {      @override     protected void oncreate(bundle savedinstancestate) {          settheme(r.style.apptheme);         super.oncreate(savedinstancestate);          setcontentview(r.layout.activity_home);              getsupportactionbar().setdisplayuselogoenabled(true);         getsupportactionbar().setdisplayhomeasupenabled(true);         getsupportactionbar().setlogo(r.drawable.ic_launcher);           mnavitems.add(new navitem("home", "find need know in 1 place", r.drawable.home_icon));         mnavitems.add(new navitem("learn our programs", "learn city", r.drawable.list));         mnavitems.add(new navitem("about us", "get know on personal level", r.drawable.info_circled_alt));         mnavitems.add(new navitem("contact us", "want know more something? send email or phone call", r.drawable.questionm));          // drawerlayout         mdrawerlayout = (drawerlayout) findviewbyid(r.id.drawerlayout);         mdrawerlayout.setdrawershadow(r.drawable.drawer_shadow, gravitycompat.start);          // populate navigtion drawer options         mdrawerpane = (relativelayout) findviewbyid(r.id.drawerpane);         mdrawerlist = (listview) findviewbyid(r.id.navlist);         drawerlistadapter adapter = new drawerlistadapter(this, mnavitems);         mdrawerlist.setadapter(adapter);          // drawer item click listeners         mdrawerlist.setonitemclicklistener(new adapterview.onitemclicklistener() {             @override             public void onitemclick(adapterview<?> parent, view view, int position, long id) {                 selectitemfromdrawer(position);             }         });         mdrawertoggle = new actionbardrawertoggle(this, mdrawerlayout, r.string.drawer_opem, r.string.drawer_close) {             @override             public void ondraweropened(view drawerview) {                 super.ondraweropened(drawerview);                  invalidateoptionsmenu();             }              @override             public void ondrawerclosed(view drawerview) {                 super.ondrawerclosed(drawerview);                 log.d(tag, "ondrawerclosed: " + gettitle());                  invalidateoptionsmenu();             }           };           mdrawerlayout.setdrawerlistener(mdrawertoggle);      }       @override     protected void onpostcreate(bundle savedinstancestate) {         super.onpostcreate(savedinstancestate);         mdrawertoggle.syncstate();     }      @override     public boolean onoptionsitemselected(menuitem item) {         // pass event actionbardrawertoggle         // if returns true, has handled         // nav drawer indicator touch event         if (mdrawertoggle.onoptionsitemselected(item)) {             return true;         }          // handle other action bar items...          return super.onoptionsitemselected(item);     }            private void selectitemfromdrawer(int position) {           // close drawer         mdrawerlayout.closedrawer(mdrawerpane);         intent intent;         switch (position) {               case 0:                 new handler().postdelayed(new runnable() {                     @override                     public void run() {                          intent = new intent(home.this, home.class);                         i.addflags(intent.flag_activity_single_top | intent.flag_activity_no_animation);                         startactivity(i);                           overridependingtransition(r.animator.animation1, r.animator.animation2);                     }                 }, 300);                 break;             case 1:                 new handler().postdelayed(new runnable() {                     @override                     public void run() {                          intent = new intent(home.this, findopp.class);                         i.addflags(intent.flag_activity_single_top | intent.flag_activity_no_animation);                         startactivity(i);                           overridependingtransition(r.animator.animation1, r.animator.animation2);;                     }                 }, 300);                    break;               case 2:                 new handler().postdelayed(new runnable() {                     @override                     public void run() {                          intent = new intent(home.this, about_us.class);                         i.addflags(intent.flag_activity_single_top | intent.flag_activity_no_animation);                         startactivity(i);                           overridependingtransition(r.animator.animation1, r.animator.animation2);;                     }                 }, 300);                 break;          }     }       }  class navitem {     string mtitle;     string msubtitle;     int micon;      public navitem(string title, string subtitle, int icon) {         mtitle = title;         msubtitle = subtitle;         micon = icon;     } } class drawerlistadapter extends baseadapter {      context mcontext;     arraylist<navitem> mnavitems;      public drawerlistadapter(context context, arraylist<navitem> navitems) {         mcontext = context;         mnavitems = navitems;     }      @override     public int getcount() {         return mnavitems.size();     }      @override     public object getitem(int position) {         return mnavitems.get(position);     }      @override     public long getitemid(int position) {         return 0;     }      @override     public view getview(int position, view convertview, viewgroup parent) {         view view;          if (convertview == null) {             layoutinflater inflater = (layoutinflater) mcontext.getsystemservice(context.layout_inflater_service);             view = inflater.inflate(r.layout.drawer_item, null);         }         else {             view = convertview;         }          textview titleview = (textview) view.findviewbyid(r.id.title);         textview subtitleview = (textview) view.findviewbyid(r.id.subtitle);         imageview iconview = (imageview) view.findviewbyid(r.id.icon);          titleview.settext( mnavitems.get(position).mtitle );         subtitleview.settext( mnavitems.get(position).msubtitle );         iconview.setimageresource(mnavitems.get(position).micon);          return view;     }  } class preferencesfragment extends fragment {       public preferencesfragment() {         // required empty public constructor     }       @override     public view oncreateview(layoutinflater inflater, viewgroup container,                              bundle savedinstancestate) {         // inflate layout fragment         return inflater.inflate(r.layout.fragment_prefences, container, false);     }  } 

this may , try this

getsupportactionbar().setdisplayshowhomeenabled(true); getsupportactionbar().seticon(r.drawable.ic_launcher);