java - getArguments() is returning null -


i'm having problem using fragments. indeed, i'm trying pass arguments fragment activity. problem getarguments() call returns null. here code:

albumuser.java :

public class albumuser extends appcompatactivity {      @override     public void oncreate(bundle savedinstancestate) {          super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_album_user);          string albumid = getintent().getstringextra("albumid");         string albumname = getintent().getstringextra("albumname");         string albumauthor = getintent().getstringextra("albumauthor");         string coverurl = getintent().getstringextra("coverurl");          getfragmentmanager().begintransaction().replace(r.id.fragmentalbum, album.newinstance(albumid,albumname,albumauthor,coverurl)).commit();      } }

album.java :

public class album extends fragment {      private string albumid;     private string albumname;     private string albumauthor;     private string coverurl;      public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) {          super.oncreateview(inflater, container, savedinstancestate);         view = inflater.inflate(r.layout.activity_album, container, false);         bundle args = getarguments();         albumid = args.getstring("albumid");         albumname = args.getstring("albumname");         albumauthor = args.getstring("albumauthor");         coverurl = args.getstring("coverurl");         return view;     )      public static album newinstance(final string albumid, final string albumname, final string albumauthor, final string coverurl) {         final album album = new album();         final bundle bundle = new bundle();         bundle.putstring("albumid", albumid);         bundle.putstring("albumname", albumname);         bundle.putstring("albumauthor", albumauthor);         bundle.putstring("coverurl", coverurl);         album.setarguments(bundle);         return album;     } }

activity_album.xml :

<android.support.v4.widget.drawerlayout     xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:app="http://schemas.android.com/apk/res-auto"     xmlns:tools="http://schemas.android.com/tools"     android:id="@+id/drawer_layout"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:fitssystemwindows="true"     tools:context=".mainactivity">      <framelayout         android:id="@+id/content"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:orientation="vertical">          <fragment             android:id="@+id/fragmentalbum"             android:layout_width="fill_parent"             android:layout_height="fill_parent"             class="com.example.jeff.facebookphotocast.album" />          <include layout="@layout/toolbar"/>      </framelayout>  </android.support.v4.widget.drawerlayout>

please me, i'm dying ^^ :)

the layout xml

<fragment         android:id="@+id/fragmentalbum"         android:layout_width="fill_parent"         android:layout_height="fill_parent"         class="com.example.jeff.facebookphotocast.album" />

instantiates album fragment without arguments. that's why getarguments() returns null.

if want supply arguments fragment, replace part of layout e.g. empty framelayout container, , use fragmenttransaction#add() put fragment-with-args in container.


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