java - Transferring intent/ data/ bundle between parent/otherwise activity and fragment -

i have 3 classes here: ijob, tabbed_activity , placeholderfragment. want pass strings created in ijob class placeholderfragment oncreateview show them custom page. yet create second , third fragment. ijob list of jobs. tabbed_activity manager class of fragments. placeholderfragment 1 of fragments. can see, have tried bundle, intent , getactivity.. none of them seems work. have tried getting data ijob tabbed_activity first, placeholderfragment. please help.

ijob.java

package com.example.administrator.signin;  import android.app.listactivity; import android.app.progressdialog; import android.content.intent; import android.os.asynctask; import android.os.bundle; import android.provider.settings; import android.support.v4.app.fragment; import android.util.log; import android.view.view; import android.widget.adapterview; import android.widget.adapterview.onitemclicklistener; import android.widget.listadapter;  import android.widget.listview; import android.widget.simpleadapter; import android.widget.textview;  import org.json.jsonarray; import org.json.jsonexception; import org.json.jsonobject;  import java.util.arraylist; import java.util.hashmap;  public class ijob extends listactivity {  private progressdialog pdialog;  // url contacts json  //  private static string url = "http://0.0.00.00:xxxxx/transporter/fetch_ffa_insp_emp.jsp?ecd=5d573aecfdc5e7a5";  // json node names  private static final string tag_con_no = "consumer_no"; private static final string tag_met_no = "meter_no"; private static final string tag_rec_on = "received_on"; private static final string tag_con_name = "con_name"; //private static final string tag_con_cat = "con_cat"; private static final string tag_met_rat = "met_rat"; private static final string tag_con_add = "con_add"; //private static final string tag_con_acc_add = "con_acc_add"; private static final string tag_com_rsn = "com_rsn";  public static final string tag_m_ref = "m_ref"; private static final string tag_m_date = "m_date"; //  //private static final string tag_con_cat = " "; private static final string tag_prev_data = "prev_data"; private static final string tag_tele_no = "tele_no"; private static final string tag_ie_dt_n_prsnt_prev_rdg = "ie_dt_n_prsnt_prev_rdg"; private static final string tag_lcc_lro_rom = "lcc_lro_rom";     // hashmap listview arraylist<hashmap<string, string>> joblist;  @override public void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.ijob);      joblist = new arraylist<hashmap<string, string>>();      listview lv = getlistview();      // listview on item click listener     lv.setonitemclicklistener(new onitemclicklistener() {          @override         public void onitemclick(adapterview<?> parent, view view,                                 int position, long id) {                // getting values selected listitem              string consumer_no = ((textview) view.findviewbyid(r.id.con_no))                     .gettext().tostring();             string meter_no = ((textview) view.findviewbyid(r.id.met_no))                     .gettext().tostring();             string met_rat = ((textview) view.findviewbyid(r.id.met_rat))                     .gettext().tostring();             string rec_on = ((textview) view.findviewbyid(r.id.rec_on))                     .gettext().tostring();             string con_name = ((textview) view.findviewbyid(r.id.con_name))                     .gettext().tostring();             string con_add = ((textview) view.findviewbyid(r.id.con_add))                     .gettext().tostring();             string com_rsn = ((textview) view.findviewbyid(r.id.com_rsn))                 .gettext().tostring();             string m_ref = ((textview) view.findviewbyid(r.id.m_ref))                     .gettext().tostring();             string m_date = ((textview) view.findviewbyid(r.id.m_date))                     .gettext().tostring();             string prev_data = ((textview) view.findviewbyid(r.id.prev_data))                     .gettext().tostring();             string tele_no = ((textview) view.findviewbyid(r.id.tele_no))                     .gettext().tostring();             string ie_dt_n_prsnt_prev_rdg = ((textview) view.findviewbyid(r.id.ie_dt_n_prsnt_prev_rdg))                     .gettext().tostring();             string lcc_lro_rom = ((textview) view.findviewbyid(r.id.lcc_lro_rom))                     .gettext().tostring();               // starting single contact activity                     intent in = new intent(getapplicationcontext(), tabbed_activity.class);           //  bundle bundle= new bundle();           //  bundle.putstring(tag_con_no, consumer_no);         //  bundle.putstring(tag_met_no, meter_no);         //  bundle.putstring(tag_met_rat, met_rat);         //  bundle.putstring(tag_rec_on, rec_on);         //  bundle.putstring(tag_con_name, con_name);         //  bundle.putstring(tag_con_add, con_add);         //  bundle.putstring(tag_com_rsn, com_rsn);         //  bundle.putstring(tag_m_ref, m_ref);         //  bundle.putstring(tag_m_date, m_date);         //  bundle.putstring(tag_prev_data, prev_data);         //  bundle.putstring(tag_tele_no, tele_no);         //  bundle.putstring(tag_ie_dt_n_prsnt_prev_rdg, ie_dt_n_prsnt_prev_rdg);         //  bundle.putstring(tag_lcc_lro_rom, lcc_lro_rom);          //  placeholderfragment argumentfragment = new placeholderfragment();//get fragment instance          //   argumentfragment.setarguments(bundle);//finally set argument bundle fragment */            //    in.putextra(tag_con_no, consumer_no);         //  in.putextra(tag_met_no, meter_no);         //  in.putextra(tag_met_rat, met_rat);         //  in.putextra(tag_rec_on, rec_on);         //  in.putextra(tag_con_name, con_name);         //  in.putextra(tag_con_add, con_add);         //  in.putextra(tag_com_rsn, com_rsn);             in.putextra(tag_m_ref, m_ref);         //  in.putextra(tag_m_date, m_date);         //  in.putextra(tag_prev_data, prev_data);         //  in.putextra(tag_tele_no, tele_no);         //  in.putextra(tag_ie_dt_n_prsnt_prev_rdg, ie_dt_n_prsnt_prev_rdg);         //  in.putextra(tag_lcc_lro_rom, lcc_lro_rom); */                startactivity(in);          }     });      // calling async task json     new getcontacts().execute(); }   /**  * async task class json making http call  * */ private class getcontacts extends asynctask<void, void, void> {      @override     protected void onpreexecute() {         super.onpreexecute();         // showing progress dialog         pdialog = new progressdialog(ijob.this);         pdialog.setmessage("please wait...");         pdialog.setcancelable(false);         pdialog.show();      }      @override     protected void doinbackground(void... arg0) {         // creating service handler class instance         servicehandler sh = new servicehandler();          // making request url , getting response         string aid = settings.secure.getstring(getcontentresolver(), settings.secure.android_id);         string url = "http://00.00.00.00:00000/transporter/fetch_ffa_insp_emp_1.jsp?ecd=" + aid;         string jsonstr = sh.makeservicecall(url, servicehandler.get);          log.d("response: ", "> " + jsonstr);          if (jsonstr != null) {             try { //              jsonobject jsonobj = new jsonobject(jsonstr);                  jsonarray jobs = new jsonarray(jsonstr);                  // getting json array node //              jobs = jsonobj.getjsonarray("");                  // looping through contacts                 (int = 0; < jobs.length(); i++) {                     jsonobject c = jobs.getjsonobject(i);                      string con_no = c.getstring(tag_con_no);//  +" - "+c.getstring(tag_con_cat);                     string met_no = c.getstring(tag_met_no);                     string met_rat = c.getstring(tag_met_rat);                     string rec_on = c.getstring(tag_rec_on);                     string con_name = (i + 1) + " . " + c.getstring(tag_con_name);                     string con_add = c.getstring(tag_con_add); //+" "+c.getstring(tag_con_acc_add);                     string com_rsn = c.getstring(tag_com_rsn);                     string m_ref = c.getstring(tag_m_ref);                     string m_date = c.getstring(tag_m_date);                     string prev_data = c.getstring(tag_prev_data);                     string tele_no = c.getstring(tag_tele_no);                     string ie_dt_n_prsnt_prev_rdg = c.getstring(tag_ie_dt_n_prsnt_prev_rdg);                     string lcc_lro_rom = c.getstring(tag_lcc_lro_rom);                      // tmp hashmap single contact                     hashmap<string, string> contact = new hashmap<string, string>();                      // adding each child node hashmap key => value                     contact.put(tag_con_no, con_no);                     contact.put(tag_met_no, met_no);                     contact.put(tag_met_rat, met_rat);                     contact.put(tag_rec_on, rec_on);                     contact.put(tag_con_name, con_name);                     contact.put(tag_con_add, con_add);                     contact.put(tag_com_rsn, com_rsn);                      contact.put(tag_m_ref, m_ref);                     contact.put(tag_m_date, m_date);                     contact.put(tag_prev_data, prev_data);                     contact.put(tag_tele_no, tele_no);                     contact.put(tag_ie_dt_n_prsnt_prev_rdg, ie_dt_n_prsnt_prev_rdg);                     contact.put(tag_lcc_lro_rom, lcc_lro_rom);                      // adding contact contact list                     joblist.add(contact);                 }             } catch (jsonexception e) {                 e.printstacktrace();             }         } else {             log.e("servicehandler", "couldn't data url");         }          return null;     }       @override     protected void onpostexecute(void result) {         super.onpostexecute(result);         // dismiss progress dialog         if (pdialog.isshowing())             pdialog.dismiss();         /**          * updating parsed json data listview          * */         listadapter adapter = new simpleadapter(                 ijob.this, joblist,                 r.layout.list_item, new string[]{tag_con_no, tag_met_no, tag_met_rat,                 tag_rec_on, tag_con_name, tag_con_add, tag_com_rsn, tag_m_ref, tag_m_date, tag_prev_data, tag_tele_no, tag_ie_dt_n_prsnt_prev_rdg, tag_lcc_lro_rom}, new int[]{r.id.con_no,                 r.id.met_no, r.id.met_rat, r.id.rec_on, r.id.con_name, r.id.con_add, r.id.com_rsn, r.id.m_ref, r.id.m_date, r.id.prev_data, r.id.tele_no, r.id.ie_dt_n_prsnt_prev_rdg, r.id.lcc_lro_rom});          setlistadapter(adapter);     }  }    } 

tabbed_activity.java

package com.example.administrator.signin;   import android.content.intent;  import android.support.design.widget.tablayout; import android.support.design.widget.floatingactionbutton; import android.support.design.widget.snackbar; import android.support.v7.app.appcompatactivity; import android.support.v7.widget.toolbar;  import android.support.v4.app.fragment; import android.support.v4.app.fragmentmanager; import android.support.v4.app.fragmentpageradapter; import android.support.v4.view.viewpager; import android.os.bundle; import android.view.layoutinflater; import android.view.menu; import android.view.menuitem; import android.view.view; import android.view.viewgroup;  import android.widget.textview;  public class tabbed_activity extends appcompatactivity {       public static final string tag_m_ref = "m_ref";       /**      * {@link android.support.v4.view.pageradapter} provide      * fragments each of sections. use      * {@link fragmentpageradapter} derivative, keep every      * loaded fragment in memory. if becomes memory intensive,      * may best switch      * {@link android.support.v4.app.fragmentstatepageradapter}.      */     private sectionspageradapter msectionspageradapter;      /**      * {@link viewpager} host section contents.      */     private viewpager mviewpager;      @override     protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_tabbed);       intent in = getintent();     string met_ref = in.getstringextra(tag_m_ref);     bundle bundle = new bundle();     bundle.putstring("edttext", met_ref);     placeholderfragment argumentfragment = new placeholderfragment();//get fragment instance     argumentfragment.setarguments(bundle);//finally set argument bundle fragment */       toolbar toolbar = (toolbar) findviewbyid(r.id.toolbar);     setsupportactionbar(toolbar);     getsupportactionbar().setdisplayhomeasupenabled(true);     // create adapter return fragment each of 3     // primary sections of activity.     msectionspageradapter = new sectionspageradapter(getsupportfragmentmanager());      // set viewpager sections adapter.     mviewpager = (viewpager) findviewbyid(r.id.container);     mviewpager.setadapter(msectionspageradapter);      tablayout tablayout = (tablayout) findviewbyid(r.id.tabs);     tablayout.setupwithviewpager(mviewpager);      floatingactionbutton fab = (floatingactionbutton) findviewbyid(r.id.fab);     fab.setonclicklistener(new view.onclicklistener() {         @override         public void onclick(view view) {             snackbar.make(view, "replace own action", snackbar.length_long)                     .setaction("action", null).show();         }     });  }   @override public boolean oncreateoptionsmenu(menu menu) {     // inflate menu; adds items action bar if present.     getmenuinflater().inflate(r.menu.menu_tabbed_, menu);     return true; }  @override public boolean onoptionsitemselected(menuitem item) {     // handle action bar item clicks here. action bar     // automatically handle clicks on home/up button, long     // specify parent activity in androidmanifest.xml.     int id = item.getitemid();      //noinspection simplifiableifstatement     if (id == r.id.action_settings) {         return true;     }      return super.onoptionsitemselected(item); }  /**  * {@link fragmentpageradapter} returns fragment corresponding  * 1 of sections/tabs/pages.  */ public class sectionspageradapter extends fragmentpageradapter {      public sectionspageradapter(fragmentmanager fm) {         super(fm);     }      @override     public fragment getitem(int position) {         // getitem called instantiate fragment given page.         // return placeholderfragment (defined static inner class below).           return placeholderfragment.newinstance(position);       }      @override     public int getcount() {         // show 3 total pages.         return 3;     }      @override     public charsequence getpagetitle(int position) {         switch (position) {             case 0:                 return "section 1";             case 1:                 return "section 2";             case 2:                 return "section 3";         }         return null;     } } } 

placeholderfragment.java

package com.example.administrator.signin;  /**  * created administrator on 8/26/2016.  */  import android.content.intent; import android.os.bundle; import android.support.v4.app.fragment; import android.view.layoutinflater; import android.view.view; import android.view.viewgroup; import android.widget.textview; import android.widget.toast;  /**  * placeholder fragment containing simple view.  */ public class placeholderfragment extends fragment {     /**      * fragment argument representing section number      * fragment.      */     private static final string arg_section_number = "section_number";      public placeholderfragment() {     }      /**  * returns new instance of fragment given section  * number.  */ public static placeholderfragment newinstance(int sectionnumber) {     placeholderfragment fragment = new placeholderfragment();     bundle args = new bundle();     args.putint(arg_section_number, sectionnumber);     fragment.setarguments(args);     return fragment; }  @override public view oncreateview(layoutinflater inflater, viewgroup container,                          bundle savedinstancestate) {      view rootview = inflater.inflate(r.layout.placeholder_1, container, false);        string strtext = getarguments().getstring("edttext");       textview textview = (textview) rootview.findviewbyid(r.id.m_ref);       textview.settext(strtext);     return rootview; } } 

it seems not using placeholder fragment created in activity oncreate method no else. set bundle here. placeholderfragments created in viewpager dont have bundle. have set bundle in viewpager.