Hide android toolbar on scroll of CoordinatorLayout but keep TabLayout fixed -


i have following layout file activity_main.xml :

<?xml version="1.0" encoding="utf-8"?> <android.support.design.widget.coordinatorlayout 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="match_parent" android:orientation="vertical">  <android.support.design.widget.appbarlayout     android:id="@+id/appbarlayout"     android:layout_width="match_parent"     android:layout_height="wrap_content">      <android.support.v7.widget.toolbar         android:id="@+id/my_toolbar"         android:layout_width="match_parent"         android:layout_height="?attr/actionbarsize"         android:background="?attr/colorprimary"         android:elevation="4dp"         app:contentinsetend="0dp"         app:contentinsetstart="0dp"         app:layout_scrollflags="scroll|enteralways"         app:popuptheme="@style/themeoverlay.appcompat.light">          <imageview             android:id="@+id/toolbar_icon_image_view"             android:layout_width="wrap_content"             android:layout_height="match_parent"             android:adjustviewbounds="true"             android:paddingbottom="7dp"             android:paddingleft="5dp"             android:paddingtop="7dp"             android:scaletype="centerinside"             android:src="@drawable/toolbar_icon"/>      </android.support.v7.widget.toolbar>  </android.support.design.widget.appbarlayout>  <android.support.v4.widget.drawerlayout     android:id="@+id/drawer_layout"     android:layout_width="match_parent"     android:layout_height="match_parent"     app:layout_behavior="@string/appbar_scrolling_view_behavior">      <android.support.v4.widget.swiperefreshlayout         android:id="@+id/swiperefreshlayout"         android:layout_width="match_parent"         android:layout_height="match_parent">          <relativelayout             android:id="@+id/main_grid_layout"             android:layout_width="match_parent"             android:layout_height="match_parent">              <android.support.v4.view.viewpager                 android:id="@+id/content_pager"                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:layout_above="@+id/sliding_tabs"/>              <com.ili.view.slidingtablayout                 android:id="@+id/sliding_tabs"                 android:layout_width="match_parent"                 android:layout_height="wrap_content"                 android:layout_alignparentbottom="true"/>          </relativelayout>     </android.support.v4.widget.swiperefreshlayout>      <!-- navigation drawer -->      <listview         android:id="@+id/left_drawer"         android:layout_width="275dp"         android:layout_height="match_parent"         android:layout_gravity="left"         android:choicemode="singlechoice"         android:descendantfocusability="beforedescendants"/>  </android.support.v4.widget.drawerlayout </android.support.design.widget.coordinatorlayout>

expected behavior:

i latter show when open app, , toolbar hide upon scrolling.

but activity_main.xml getting following behavior:

and after scrolling down, toolbar hides(as expected) , slidingtablayout shows. tab layout remain fixed below view pager.

now know may because i'm setting behavior of whole drawer layout app:layout_behavior="@string/appbar_scrolling_view_behavior", tried separate slidingtablayout , put outside drawer layout , worked expected, except slidingtablayout stayed on last row of list in viewpager, since in coordinatorlayout cannot tell drawerlayout remain on top of slidingtablayout.

so knows how can make toolbar hide upon scrolling slidingtablayout remain fixed , not hide last row of list?


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