android - CollapsingToolbarLayout not working(collapsing)when scrolled -


i trying create collapsingtoolbarlayout , below listview, when listview scrolled toolbar should collapse, not working when scrolled toolbar not collapsing.

used tutorial: http://android-developers.blogspot.in/2015_05_01_archive.html

note: framelayout contains listview

    <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"         xmlns:app="http://schemas.android.com/apk/res-auto"         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:orientation="vertical"         android:scrollbars="vertical">          <android.support.design.widget.appbarlayout             android:id="@+id/appbar"             android:layout_width="match_parent"             android:layout_height="192dp"             android:theme="@style/themeoverlay.appcompat.dark.actionbar">              <android.support.design.widget.collapsingtoolbarlayout                 android:id="@+id/toolbar"                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 app:layout_scrollflags="scroll|exituntilcollapsed">                  <android.support.v7.widget.toolbar                     android:id="@+id/toolbara"                     android:layout_width="match_parent"                     android:layout_height="?attr/actionbarsize"                     android:background="?attr/colorprimary"                     app:layout_collapsemode="pin"                     app:popuptheme="@style/themeoverlay.appcompat.light" />             </android.support.design.widget.collapsingtoolbarlayout>         </android.support.design.widget.appbarlayout>          <framelayout             android:id="@+id/frame"             android:layout_width="match_parent"             android:layout_height="wrap_content" />     </linearlayout>

the framelayout code:

<relativelayout 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:layout_width="match_parent"     android:layout_height="match_parent"     tools:context="ranjithnair02.com.supporttest.blankfragment">      <listview         android:id="@+id/rcyv"         android:layout_width="match_parent"         android:layout_height="match_parent" />      <android.support.design.widget.floatingactionbutton         android:id="@+id/fab"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_alignparentbottom="true"         android:layout_alignparentright="true"         android:layout_marginbottom="10dp"         android:layout_marginright="10dp"         android:src="@android:drawable/ic_search_category_default"         app:borderwidth="0dp"         app:elevation="5dp"         app:ripplecolor="@color/wallet_highlighted_text_holo_light" /> </relativelayout>

enter image description here

you should use recyclerview instead of listview

note: don't forget update recyclerview in gradle file.

  compile 'com.android.support:recyclerview-v7:22.2.0'

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