java - How to add list from cursor to intent in share button -

i have app use content provider work db. have list, inflated , shown user. need save list intent , send share button i found here

here questions-

1) need convert cursor list or need create second list , inflate cursor or there other variant? 2) how can customize of recieved message?

here code-

public class catalogactivity extends appcompatactivity implements loadermanager.loadercallbacks<cursor> {      private static final string tag = "mylogs";      /** identifier pet data loader */     private static final int list_loader = 0;      /** adapter listview */     listcursoradapter mcursoradapter;      @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_catalog);          log.v(tag, "Зашли в catalog activity oncreate");          // setup fab open editoractivity         floatingactionbutton fab = (floatingactionbutton) findviewbyid(r.id.fab);         fab.setonclicklistener(new view.onclicklistener() {             @override             public void onclick(view view) {                 intent intent = new intent(catalogactivity.this, editoractivity.class);                 startactivity(intent);             }         });          // find listview populated list data         listview listlistview = (listview) findviewbyid(r.id.list);          // find , set empty view on listview, shows when list has 0 items.         view emptyview = findviewbyid(r.id.empty_view);         listlistview.setemptyview(emptyview);          // setup adapter create list item each row of list data in cursor.         // there no items data yet (until loader finishes) pass in null cursor.         mcursoradapter = new listcursoradapter(this, null);         listlistview.setadapter(mcursoradapter);          // setup item click listener         listlistview.setonitemclicklistener(new adapterview.onitemclicklistener() {             @override             public void onitemclick(adapterview<?> adapterview, view view, int position, long id) {                 shoppinglistbdhelper helper = new shoppinglistbdhelper(view.getcontext());                 if (helper.setcompleted(id)) {                     mcursoradapter.setcompleted(view);                 }             }         });          // kick off loader         getsupportloadermanager().initloader(list_loader, null, this);     }      /**      * helper method insert hardcoded item data database. debugging purposes only.      */     private void insertpet() {          log.v(tag, "Создали insertpet");          intent myintent = new intent(intent.action_send);          string sharebody = "body here";         string sharesub = "sub here";         myintent.putextra(intent.extra_text, sharesub);         myintent.putextra(intent.extra_text, sharebody);         myintent.settype("text/plain");         startactivity(intent.createchooser(myintent, "share using"));     }      @override     public boolean oncreateoptionsmenu(menu menu) {         // inflate menu options res/menu/menu_catalog.xml file.         // adds menu items app bar.         getmenuinflater().inflate(r.menu.menu_catalog, menu);         return true;     }      @override     public boolean onoptionsitemselected(menuitem item) {         // user clicked on menu option in app bar overflow menu         switch (item.getitemid()) {             // respond click on "insert dummy data" menu option             case r.id.action_insert_dummy_data:                 insertpet();                 return true;             // respond click on "delete entries" menu option             case r.id.action_delete_all_entries:                 deleteallitems();                 return true;             case r.id.menu_item_share:                 shareintent();                 return true;         }         return super.onoptionsitemselected(item);     }     /**      * helper method delete list in database.      */     private void deleteallitems() {          log.v(tag, "Сработал метод удаления всех данных");         long rowsdeleted = getcontentresolver().delete(listcontract.listentry.content_uri, null, null);         log.v("catalogactivity", rowsdeleted + " rows deleted list database");     }      private void shareintent(){         arraylist<string> list = new arraylist<string>();          intent sendintent = new intent();         sendintent.setaction(intent.action_send);         sendintent.putstringarraylistextra("test", (arraylist<string>) list);         sendintent.settype("text/plain");         startactivity(sendintent);     }      @override     public loader<cursor> oncreateloader(int i, bundle bundle) {         log.v(tag, "Начал работать loader cursor");         // define projection specifies columns table care about.         string[] projection = {                 listcontract.listentry._id,                 listcontract.listentry.column_item_name,                 listcontract.listentry.column_item_description,                 listcontract.listentry.column_item_completed         };          // loader execute contentprovider's query method on background thread         return new cursorloader(this,   // parent activity context                 listcontract.listentry.content_uri,   // provider content uri query                 projection,             // columns include in resulting cursor                 null,                   // no selection clause                 null,                   // no selection arguments                 null);                  // default sort order      }      @override     public void onloadfinished(loader<cursor> loader, cursor data) {         // update {@link listcursoradapter} new cursor containing updated pet data         mcursoradapter.swapcursor(data);         log.v(tag, "cursor adapter загрузился");     }      @override     public void onloaderreset(loader<cursor> loader) {         // callback called when data needs deleted         mcursoradapter.swapcursor(null);     } } 

you can use arraylist instead stringbuilder need convert arraylist stringbuilder , pass builder.tostring() think working you.