android - how can I change the color of the tabBar in tab fragment (Viewpager) -


i tried many times it's not ok. try change actionbar in mainactivity tabbar doesn't change, don't no how change it.

this code : mainactivivty

public class mainactivity extends fragmentactivity implements     actionbar.tablistener {  private viewpager viewpager; private actionbar actionbar; private tabspageradapter madapter;  private string[] tabs = { "bài hát", "yêu thích"};  @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_main);     actionbar ac = getactionbar();     ac.setbackgrounddrawable(new colordrawable(color.rgb(72, 209, 204)));     //ac.setbackgrounddrawable(new colordrawable(color.parsecolor("#e64260")));       viewpager = (viewpager) findviewbyid(r.id.pager);     actionbar = getactionbar();      madapter = new tabspageradapter(getsupportfragmentmanager());     viewpager.setadapter(madapter);     actionbar.setnavigationmode(actionbar.navigation_mode_tabs);      (string tab_name : tabs) {         actionbar.addtab(actionbar.newtab().settext(tab_name)                 .settablistener(this));     }      viewpager.setonpagechangelistener(new onpagechangelistener() {          @override         public void onpageselected(int position) {             actionbar.setselectednavigationitem(position);             if (position == 1) {                 tabyeuthich frag = (tabyeuthich) madapter                         .getfragmenttabyeuthich(1);                 frag.resetpage();             } else {                 tabbaihat frag = (tabbaihat) madapter                         .getfragmenttabbaihat(0);                 frag.resetpage();             }         }          @override         public void onpagescrolled(int arg0, float arg1, int arg2) {          }          @override         public void onpagescrollstatechanged(int arg0) {          }     }); }  @override public void ontabreselected(tab tab, fragmenttransaction ft) {     // todo auto-generated method stub  }  @override public void ontabselected(tab tab, fragmenttransaction ft) {     // todo auto-generated method stub     viewpager.setcurrentitem(tab.getposition());  }  @override public void ontabunselected(tab tab, fragmenttransaction ft) {     // todo auto-generated method stub  }

this class : tabspageradapter

public class tabspageradapter extends fragmentpageradapter {  fragmentmanager fm; tabyeuthich fragyeuthich; tabbaihat fragbaihat;  public tabspageradapter(fragmentmanager fm) {     super(fm);     // todo auto-generated constructor stub     this.fm = fm; }  @override public fragment getitem(int index) {     // todo auto-generated method stub     switch (index) {     case 0:         fragbaihat = new tabbaihat();         return fragbaihat;     case 1:         fragyeuthich = new tabyeuthich();         return fragyeuthich;     }      return null; }  @override public int getcount() {     // todo auto-generated method stub     return 2; }  public fragment getfragmenttabyeuthich(int post) {      return fragyeuthich;  }  public fragment getfragmenttabbaihat(int post) {      return fragbaihat;  }

please me ! !

useally set action bar themes.xml recommend follow both tutorials

developer android

action bar explanation


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