android - CoordinatorLayout doesn't work like I want it to -


i have layout code in activity. in viewpager have fragments contains recyclerview. when scroll top of list have scroll again have coordinatorlayout expand. how can in 1 seamless scroll:

<android.support.design.widget.coordinatorlayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:id="@+id/main_content" android:layout_width="match_parent" android:layout_height="match_parent">  <android.support.design.widget.appbarlayout     android:id="@+id/app_bar_layout"     android:layout_width="match_parent"     android:layout_height="300dp"     android:fitssystemwindows="true"     android:background="?colorprimary">      <android.support.design.widget.collapsingtoolbarlayout         android:id="@+id/collapsing_toolbar"         android:layout_width="match_parent"         android:layout_height="match_parent"         app:expandedtitletextappearance="@style/textappearance.appcompat.widget.actionbar.title.inverse"         app:expandedtitlemarginstart="20dp"         app:expandedtitlemarginbottom="10dp"         app:contentscrim="?attr/colorprimary"         android:fitssystemwindows="true"         app:layout_scrollflags="scroll|exituntilcollapsed">          <imageview             android:id="@+id/image"             android:layout_width="match_parent"             android:layout_height="match_parent"             app:layout_collapsemode="parallax"             android:scaletype="centercrop"             android:transitionname="obrazek"             android:src="@drawable/placer" />          <view             android:layout_width="match_parent"             android:layout_height="match_parent"             android:background="@drawable/gradient" />          <android.support.v7.widget.toolbar             android:id="@+id/app_bar"             android:layout_width="match_parent"             android:layout_height="?actionbarsize"             android:theme="@style/themeoverlay.appcompat.dark.actionbar"             app:contentinsetstart="40dp"             app:layout_scrollflags="scroll|enteralways"             app:layout_collapsemode="pin"              />      </android.support.design.widget.collapsingtoolbarlayout>  </android.support.design.widget.appbarlayout>  <linearlayout     android:layout_height="match_parent"     android:layout_width="match_parent"     android:orientation="vertical"     app:layout_behavior="@string/appbar_scrolling_view_behavior" >      <android.support.design.widget.tablayout         android:id="@+id/tabs"         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:scrollbars="horizontal"         android:background="?attr/colorprimary"         app:layout_behavior="@string/appbar_scrolling_view_behavior"/>      <android.support.v4.view.viewpager         android:id="@+id/viewpager"         android:layout_width="match_parent"         android:layout_height="match_parent"         app:layout_behavior="@string/appbar_scrolling_view_behavior"/>  </linearlayout>  <android.support.design.widget.floatingactionbutton     android:id="@+id/fab"     app:fabsize="normal"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:layout_margin="16dp"     app:elevation="6dp"     app:layout_anchor="@id/main_content"     app:layout_anchorgravity ="bottom|right|end"     android:src="@drawable/ic_directions_run_white_48dp" />

you don't need set app:layout_behavior tablayout , viewpager . setting app:layout_behavior linearlayout suffice.


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