android - ViewPager and fragment replacement. Again -


i have simple list/detail app in dual pane mode: left side - listfragment, right side - viewpager. here layout:

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:baselinealigned="false" >      <linearlayout         android:layout_width="0dp"         android:layout_height="match_parent"         android:layout_weight="1" >          <fragment             android:id="@+id/site_list"             android:name="com.example.fragmentviewpager.listfragment"             android:layout_width="match_parent"             android:layout_height="match_parent" />     </linearlayout>      <linearlayout         android:id="@+id/viewpager"         android:layout_width="0dp"         android:layout_height="match_parent"         android:layout_weight="3" >          <android.support.v4.view.viewpager             android:id="@+id/pager"             android:layout_width="wrap_content"             android:layout_height="wrap_content" />     </linearlayout>  </linearlayout>

everything works fine: when click on list item, detailed information shown in viewpager. viewpager consist 2 simple fragments in tabs.viewpager uses fragmentstatepageradapter create fragments.

fragments layout:

    <?xml version="1.0" encoding="utf-8"?>     <relativelayout xmlns:android="http://schemas.android.com/apk/res/android"         android:id="@+id/relativelayout1"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:orientation="vertical" >         <textview             android:id="@+id/title"             android:layout_width="match_parent"             android:layout_height="match_parent"             android:text="test"             android:textappearance="?android:attr/textappearancelarge"             android:clickable="true" >         </textview>          <textview             android:id="@+id/tvpage"             android:layout_width="match_parent"             android:layout_height="match_parent"             android:gravity="center"             android:textappearance="?android:attr/textappearancelarge" >         </textview>      </relativelayout>

now, want show new fragment instead of first fragment when click on textview id=title in first fragment. have listener on textview:

title.setonclicklistener(new onclicklistener() {         @override         public void onclick(view v) {             fragment3 fragment3 = new fragment3();             fragmenttransaction transaction = getchildfragmentmanager()                     .begintransaction();             transaction.addtobackstack(null);             transaction.replace(r.id.some_id, fragment3).commit();         }     });

but have no idea, have write instead some_id... , in general, can fragment replace itself? how replace fragment???

if need additional code - tell me.


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