java - How to using Bundle in if else -

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in code have if else block. in if else want include button using bundle have tried , error. code below, have ideas why getting error?

package com.apps.visitkuningan;  import android.app.activity; import android.content.intent; import android.os.bundle; import android.view.view; import android.view.view.onclicklistener; import android.view.window; import android.widget.button; import android.widget.imageview; import android.widget.textview;  public class ketwisata extends activity{     intent iinntteen;     @override     protected void oncreate(bundle savedinstancestate) {         // todo auto-generated method stub         super.oncreate(savedinstancestate);         this.requestwindowfeature(window.feature_no_title);         setcontentview(r.layout.ket_wisata);         string tampil = getintent().getextras().getstring("key");         imageview img1 = (imageview) findviewbyid(r.id.wisata);         textview nama = (textview) findviewbyid(r.id.nama);         textview alamat = (textview) findviewbyid(r.id.alamat);         textview keterangan = (textview) findviewbyid(r.id.keterangan);         button arahkan = (button) findviewbyid(r.id.arahkan);         final bundle bundel2 = new bundle();         final string tampil2 = null;         arahkan.setonclicklistener(new onclicklistener() {              @override             public void onclick(view arg0) {                 bundel2.putstring("key", tampil2);                 iinntteen.putextras(bundel2);                 startactivity(iinntteen);             }         });           if(tampil.equalsignorecase("wis_balongdalem"))          {             img1.setbackgroundresource(r.drawable.wis_balong);             nama.settext("balong dalem");             alamat.settext(r.string.add_balong);             keterangan.settext(r.string.ket_balong);             iinntteen = new intent(ketwisata.this, arahkan.class);              tampil2 ="coba";                    //tampil2 cant detected..          }          if(tampil.equalsignorecase("wis_curugbangkong"))          {              img1.setbackgroundresource(r.drawable.wis_bangkong2);             nama.settext("curug bangkong");             alamat.settext(r.string.add_bangkong);             keterangan.settext(r.string.ket_bangkong);             iinntteen = new intent(ketwisata.this, tentang.class);          }          if(tampil.equalsignorecase("wis_buperciberem"))          {             img1.setbackgroundresource(r.drawable.wis_ciberem2);             nama.settext("buper cibeureum");             alamat.settext(r.string.add_ciberem);             keterangan.settext(r.string.ket_ciberem);          }          if(tampil.equalsignorecase("wis_cibulan"))          {             img1.setbackgroundresource(r.drawable.wis_cibulan2);             nama.settext("kolam cibulan");             alamat.settext(r.string.add_cibulan);             keterangan.settext(r.string.ket_cibulan);          }          if(tampil.equalsignorecase("wis_balongcicerem"))          {              img1.setbackgroundresource(r.drawable.wis_balong);             nama.settext("balong cicereum");             alamat.settext(r.string.add_cicerem);             keterangan.settext(r.string.ket_cicerem);          }          if(tampil.equalsignorecase("wis_balongcigugur"))          {              img1.setbackgroundresource(r.drawable.wis_cigugur2);              nama.settext("balong cigugur");                 alamat.settext(r.string.add_cigugur);                 keterangan.settext(r.string.ket_cigugur);          }          if(tampil.equalsignorecase("wis_curugcilengkrang"))          {                  img1.setbackgroundresource(r.drawable.wis_cilengkrang2);                 nama.settext("lembah cilengkrang");                 alamat.settext(r.string.add_cilengkrang);                 keterangan.settext(r.string.ket_cilengkrang);          }          if(tampil.equalsignorecase("wis_cipari"))          {                            img1.setbackgroundresource(r.drawable.wis_cipari2);                 nama.settext("taman purbakala cipari");                 alamat.settext(r.string.add_cipari);                 keterangan.settext(r.string.ket_cipari);          }          if(tampil.equalsignorecase("wis_balongdarmaloka"))          {                            img1.setbackgroundresource(r.drawable.wis_darmaloka2);                 nama.settext("balong darmaloka");                 alamat.settext(r.string.add_darmaloka);                 keterangan.settext(r.string.ket_darmaloka);          }          if(tampil.equalsignorecase("wis_linggarjatiindah"))          {                 img1.setbackgroundresource(r.drawable.wis_linggarjat2i);                 nama.settext("linggarjati indah");                 alamat.settext(r.string.add_linggarjati);                 keterangan.settext(r.string.ket_linggarjati);          }          if(tampil.equalsignorecase("wis_guamaria"))          {                 img1.setbackgroundresource(r.drawable.wis_guamaria);                 nama.settext("gua maria");                 alamat.settext(r.string.add_guamaria);                 keterangan.settext(r.string.ket_guamaria);          }          if(tampil.equalsignorecase("wis_gedungnaskah"))          {                 img1.setbackgroundresource(r.drawable.wis_muslinggar2);                 nama.settext("musium linggarjati");                 alamat.settext(r.string.add_naskah);                 keterangan.settext(r.string.ket_naskah);          }          if(tampil.equalsignorecase("wis_buperpalutungan"))          {                 img1.setbackgroundresource(r.drawable.wis_palutungan2);                 nama.settext("buper plautungan");                 alamat.settext(r.string.add_palutungan);                 keterangan.settext(r.string.ket_palutungan);          }          if(tampil.equalsignorecase("wis_buperpaniis"))          {                 img1.setbackgroundresource(r.drawable.wis_paniis2);                 nama.settext("buper paniis");                 alamat.settext(r.string.add_paniis);                 keterangan.settext(r.string.ket_paniis);          }          if(tampil.equalsignorecase("wis_paseban"))          {                 img1.setbackgroundresource(r.drawable.wis_paseban);                 nama.settext("gedung merapat lima");                 alamat.settext(r.string.add_paseban);                 keterangan.settext(r.string.ket_paseban);          }          if(tampil.equalsignorecase("wis_gedungsahrir"))          {                 img1.setbackgroundresource(r.drawable.wis_gedungsut);                 nama.settext("gedung sutan syahrir");                 alamat.settext(r.string.add_syahrir);                 keterangan.settext(r.string.ket_syahrir);          }                 if(tampil.equalsignorecase("wis_sanggariang"))          {                 img1.setbackgroundresource(r.drawable.wis_sanggariang2);                 nama.settext("kolam renang sanggariang");                 alamat.settext(r.string.add_sanggariang);                 keterangan.settext(r.string.ket_sanggariang);          }                 if(tampil.equalsignorecase("wis_sangkanurip"))          {                 img1.setbackgroundresource(r.drawable.wis_sangkanurip2);                 nama.settext("pemandian sangkanurip");                 alamat.settext(r.string.add_sangkanurip);                 keterangan.settext(r.string.ket_sangkanhurip);          }                 if(tampil.equalsignorecase("wis_curugsidomba"))          {                 img1.setbackgroundresource(r.drawable.wis_sidomba2);                 nama.settext("sidomba");                 alamat.settext(r.string.add_sidomba);                 keterangan.settext(r.string.ket_sidomba);          }                if(tampil.equalsignorecase("wis_talagaremis"))          {                 img1.setbackgroundresource(r.drawable.wis_talagaremis);                 nama.settext("talagaremis");                 alamat.settext(r.string.add_talagaremis);                 keterangan.settext(r.string.ket_talagaremis);        }                 if(tampil.equalsignorecase("wis_tngc"))          {             img1.setbackgroundresource(r.drawable.wis_tngc);          }                 if(tampil.equalsignorecase("wis_wadukdarma"))          {                 img1.setbackgroundresource(r.drawable.wis_waduk2);                 nama.settext("waduk darma");                 alamat.settext(r.string.add_waduk);                 keterangan.settext(r.string.ket_waduk);          }                 if(tampil.equalsignorecase("wis_abn"))          {             img1.setbackgroundresource(r.drawable.wis_abn);          }                 if(tampil.equalsignorecase("wis_hasanmaulana"))          {                 img1.setbackgroundresource(r.drawable.wis_hasanmaulana);                 nama.settext("gedung hasan maulani");                 alamat.settext(r.string.add_hasanmaulana);                 keterangan.settext(r.string.ket_hasanmaulana);          }                 if(tampil.equalsignorecase("wis_makamvanbeck"))          {                 img1.setbackgroundresource(r.drawable.wis_makamvanbeck);                 nama.settext("makam van beck");                 alamat.settext(r.string.add_makamvanbeck);                 keterangan.settext(r.string.ket_makamvanbeck);          }                 if(tampil.equalsignorecase("wis_situscangkuang"))          {                 img1.setbackgroundresource(r.drawable.wis_situscangkuang);                 nama.settext("situs cangkuang");                 alamat.settext(r.string.add_cangkuang);                 keterangan.settext(r.string.ket_cangkuang);          }                 if(tampil.equalsignorecase("wis_talaganilem"))          {                 img1.setbackgroundresource(r.drawable.wis_talaganilem);                 nama.settext("talaganilem");                 alamat.settext(r.string.add_talaganilem);                 keterangan.settext(r.string.ket_talaganilem);          }           //arahkan.setonclicklistener(new onclicklistener() {          //  @override         //  public void onclick(view arg0) {         //      startactivity(new intent(ketwisata.this, arahkan.class));          //  }         //});     }  }

before doing line: getintent().getextras().anything_else make sure that: getintent() != null && getintent().getextras() != null can check getintent().getextras().isempty()


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