Make sure you use the following structure:
<android.support.design.widget.CoordinatorLayout> <android.support.design.widget.AppBarLayout> <android.support.design.widget.CollapsingToolbarLayout> <ImageView /> <android.support.v7.widget.Toolbar /> <android.support.design.widget.TabLayout /> </android.support.design.widget.CollapsingToolbarLayout> </android.support.design.widget.AppBarLayout> </android.support.design.widget.CoordinatorLayout>
In which you need to make sure that only the toolbar:
android:layout_marginBottom="48dp" app:layout_collapseMode="pin"
<android.support.v7.widget.Toolbar android:id="@+id/toolbar" android:layout_width="match_parent" android:layout_height="?attr/actionBarSize" android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar" app:popupTheme="@style/ThemeOverlay.AppCompat.Light" android:layout_gravity="top" android:layout_marginBottom="48dp" app:layout_collapseMode="pin" >
And CollapsingToolbarLayout Must Contain
app:layout_scrollFlags="scroll|exitUntilCollapsed|snap"
<android.support.design.widget.CollapsingToolbarLayout android:id="@+id/collapsing_toolbar" android:layout_width="match_parent" android:layout_height="match_parent" android:fitsSystemWindows="true" app:contentScrim="?attr/colorPrimary" app:expandedTitleMarginEnd="64dp" app:expandedTitleMarginStart="48dp" app:layout_scrollFlags="scroll|exitUntilCollapsed|snap" app:titleEnabled="false">
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