android - how to move to new fragment at on OnItemClickListener() -

in application want put listview in first fragment , want move new fragment when clicked on item such each item has own details in code.

i implemented move activity, manager says must go fragment instead of other activity. i'm new fragment world , don't know how this. manager says can use list fragment have not found useful code.

this code:

public class mainactivity extends fragmentactivity {      sectionspageradapter msectionspageradapter;     static progressdialog pd ;     viewpager mviewpager;     list<fragment> fragments ;      @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_main);          // create adapter return fragment each of 3         // primary sections of app.         fragments = new vector<fragment>();          fragments.add(fragment.instantiate(this, fragmentone.class.getname()));         fragments.add(fragment.instantiate(this, fragmenttwo.class.getname()));         fragments.add(fragment.instantiate(this, fragmentthree.class.getname()));         fragments.add(fragment.instantiate(this, fragmentfour.class.getname()));         fragments.add(fragment.instantiate(this, fragmentfive.class.getname()));         fragments.add(fragment.instantiate(this, fragmentsix.class.getname()));          msectionspageradapter=new sectionspageradapter(super.getsupportfragmentmanager());          // set viewpager sections adapter.         mviewpager = (viewpager) findviewbyid(r.id.pager);         pd = new progressdialog(this);          mviewpager.setadapter(msectionspageradapter);          //       }      public class sectionspageradapter extends fragmentpageradapter {          public sectionspageradapter(fragmentmanager fm) {              super(fm);         }          @override         public fragment getitem(int position) {             int _pos = position % 6;             return fragments.get(_pos);          }          @override         public int getcount() {             // show 3 total pages.             return 6;         }          @override         public charsequence getpagetitle(int position) {             final string title_section4="section4";             final string title_section5="section5";             final string title_section6="section6";             final string title_section1="section1";             final string title_section2="section2";             final string title_section3="section3";              locale l = locale.getdefault();             switch (position) {                   case 0:                     return title_section1.touppercase(l);                  case 1:                     return title_section2.touppercase(l);                  case 2:                     return title_section3.touppercase(l);                  case 3:                     return title_section4.touppercase(l);                 case 4:                     return title_section5.touppercase(l);                 case 5:                     return title_section6.touppercase(l);              }             return null;         }     }       public static class fragmentone extends fragment {          arraylist< string > ar;         arrayadapter< string > ad ;         listview lv ;         textview tv;           public fragmentone() {         }          @override         public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) {             view rootview = inflater.inflate(r.layout.one, container, false);             tv = (textview) rootview.findviewbyid(r.id.mywidget);              tv.setselected(true);             ar = new arraylist<string>();             lv = (listview) rootview.findviewbyid(r.id.listview1);             (int = 0 ; i< 10  ; i++){                  ar.add("my item " + string.valueof(i));              }             ad = new arrayadapter<string>                     (getactivity().getapplicationcontext(), android.r.layout.simple_dropdown_item_1line,                             ar);              lv.setadapter(ad);             lv.setonitemclicklistener(new onitemclicklistener() {                 public void onitemclick(adapterview<?> parent, view view,                                         int position, long id) {                     toast t = toast.maketext(getactivity(), "message",                             toast.length_short);                     t.show();                      intent = new intent(getactivity(), tst.class);                       startactivity(i);                  }             });               return rootview;         }     }       public static class fragmenttwo extends fragment {           public fragmenttwo() {         }          @override         public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) {              view rootview = inflater.inflate(r.layout.two, container, false);              return rootview;         }     }       public static class fragmentthree extends fragment {          public fragmentthree() {         }          @override         public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) {              view rootview = inflater.inflate(r.layout.three, container, false);              return rootview;         }     }        public static class fragmentfour extends fragment {           public fragmentfour() {         }          @override         public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) {              view rootview = inflater.inflate(r.layout.four, container, false);             return rootview;         }     }        public static class fragmentfive extends fragment {           public fragmentfive() {         }          @override         public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) {              view rootview = inflater.inflate(r.layout.five, container, false);             return rootview;         }     }       public static class fragmentsix extends fragment {            public fragmentsix() {         }          @override         public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) {              view rootview = inflater.inflate(r.layout.six, container, false);             return rootview;             }     } } 

you have replace fragment using transaction

see here:

http://developer.android.com/guide/components/fragments.html#example

check showdetails(int index) method of titlesfragment class:

 fragmenttransaction ft = getfragmentmanager().begintransaction(); if (index == 0) { ft.replace(r.id.details, details); } else { ft.replace(r.id.a_item, details); } ft.settransition(fragmenttransaction.transit_fragment_fade); ft.commit();