Develop Reference

Views are misplaced by CoordinatorLayout

I am using below layout to show Toolbar(top), FrameLayout(middle), BottomNavigationView(bottom). But it just creates a mess. Toolbar & BottomNavigationView overlap each other and FrameLayout becomes full screen.
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.support.design.widget.AppBarLayout
android:id="#+id/appBarLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:title="#string/app_name"
app:titleTextColor="#color/white"
android:background="?attr/colorPrimary"
app:popupTheme="#style/AppTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<com.appeaser.sublimepickerlibrary.SublimePicker
android:id="#+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="#+id/appBarLayout"
android:layout_above="#+id/bottom_navigation" />
<android.support.design.widget.BottomNavigationView
android:id="#+id/bottom_navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
app:itemBackground="#color/colorPrimary"
app:itemIconTint="#color/white"
app:itemTextColor="#color/white"
app:menu="#menu/bottom_navigation_main" />
</android.support.design.widget.CoordinatorLayout>
Snapshot for reference:

when using coordinator layouts the positioning of elements should be done using anchors and not using layout_below and layout_above and give your bottom navigation a layout_gravity of bottom so try something like this
<android.support.design.widget.CoordinatorLayout
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">
<android.support.design.widget.AppBarLayout
android:id="#+id/appBarLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#android:style/ThemeOverlay.Material.ActionBar">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:title="#string/app_name"
app:titleTextColor="#color/white"
android:background="?attr/colorPrimary"
app:popupTheme="#style/AppTheme.PopupOverlay"/>
</android.support.design.widget.AppBarLayout>
<com.appeaser.sublimepickerlibrary.SublimePicker
android:id="#+id/content_frame"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/black_overlay"
app:layout_anchor="#+id/appBarLayout"
app:layout_anchorGravity="bottom"
android:layout_gravity="bottom"/>
<android.support.design.widget.BottomNavigationView
android:id="#+id/bottom_navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:elevation="10dp"
app:itemBackground="#color/colorPrimary"
app:itemIconTint="#android:color/white"
app:itemTextColor="#android:color/white"
app:menu="#menu/bottom_navigation_main" />
</android.support.design.widget.CoordinatorLayout>
hope this helps

Toolbar doesn't hide on Scrolling recyclerview in DrawerLayout

hello I'm trying to hide toolbar when i scroll recyclerview which is in fragment, my layout also has an drawerlayout and tablayout. I'm trying just to hide toolbar and move tab bar up.
this is my activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/drawer"
xmlns:android="http://schemas.android.com/apk/res/android"
android:fitsSystemWindows="true"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:background="#e9e7e7"
tools:context=".MainActivity">
<android.support.design.widget.CoordinatorLayout
android:id="#+id/cl_dashboard"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v4.view.ViewPager
android:layout_height="match_parent"
android:layout_width="match_parent"
android:id="#+id/viewPager"
>
</android.support.v4.view.ViewPager>
<android.support.design.widget.AppBarLayout
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:id="#+id/appBarLayout">
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/ctb_dashboard"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:contentScrim="#color/white"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<android.support.v7.widget.Toolbar
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:background="#color/colorPrimary"
android:minHeight="?attr/actionBarSize"
android:id="#+id/toolBar"
app:layout_scrollFlags="scroll|enterAlways"
android:layout_height="wrap_content"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light"
app:theme="#style/ThemeOverlay.AppCompat.Dark"
app:layout_collapseMode="pin">
</android.support.v7.widget.Toolbar>
</android.support.design.widget.CollapsingToolbarLayout>
<android.support.design.widget.TabLayout
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:id="#+id/tabLayout"
app:tabMode="fixed"
app:tabSelectedTextColor="#color/white"
app:tabTextColor="#color/colorTab"
app:tabTextAppearance="#style/MyTabStyle"
app:tabIndicatorColor="#android:color/white"
app:tabIndicatorHeight="3dp"
app:tabGravity="fill">
</android.support.design.widget.TabLayout>
</android.support.design.widget.AppBarLayout>
</android.support.design.widget.CoordinatorLayout>
<android.support.design.widget.NavigationView
app:headerLayout="#layout/header"
app:itemTextAppearance="#style/NavDrawerTextStyle"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:id="#+id/nav_view"
android:background="#d2d2d2"
app:itemTextColor="#6c6c6c"
app:itemIconTint="#6c6c6c"
app:menu="#menu/drawermenu"
android:layout_gravity="start">
</android.support.design.widget.NavigationView>
</android.support.v4.widget.DrawerLayout>
fragment_home.xml
<FrameLayout 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"
xmlns:app="http://schemas.android.com/apk/res-auto"
tools:context=".HomeFragment">
<android.support.v7.widget.RecyclerView
android:layout_marginTop="100dp"
android:id="#+id/blog_listt2"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
</android.support.v7.widget.RecyclerView>
<ProgressBar
android:id="#+id/progressBar2"
style="?android:attr/progressBarStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|center_horizontal"
android:indeterminateTint="#color/colorPrimaryDark"
android:visibility="visible"/>
</FrameLayout>
I have tried most of the answers which i have found in Stack overflow still i was unable to get it done. Am I doing something wrong? will someone please help me out with this trying to get this done sense 1 week.

Can you elaborate more on what is going wrong? The biggest issue I see here is that you have the exitUntilCollapsed flag set on your CollapsingToolbarLayout's layout_scrollFlags. If you are unable to get the Toolbar to scroll off screen, that is the culprit. Your AppBarLayout needs to be set up like this:
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?attr/colorPrimary">
<android.support.design.widget.CollapsingToolbarLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
app:contentScrim="?attr/colorPrimary"
app:titleEnabled="false"
app:layout_scrollFlags="scroll">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin" />
</android.support.design.widget.CollapsingToolbarLayout>
<android.support.design.widget.TabLayout
android:id="#+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</android.support.design.widget.AppBarLayout>
Can't embed images yet. Click here for gif.
Also, if all you need is to have the Toolbar scroll off-screen, you don't need a CollapsingToolbarLayout. You can just have the Toolbar with app:layout_scrollFlags="scroll", like so:
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?attr/colorPrimary">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_scrollFlags="scroll"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light" />
<android.support.design.widget.TabLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</android.support.design.widget.AppBarLayout>
This is the best resource I've found for explaining all of the different scroll flags for AppBarLayout and CollapsingToolbarLayout: http://saulmm.github.io/mastering-coordinator

acitivity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/drawer"
xmlns:android="http://schemas.android.com/apk/res/android"
android:fitsSystemWindows="true"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:background="#e9e7e7"
tools:context=".MainActivity">
<android.support.design.widget.CoordinatorLayout
android:id="#+id/cl_dashboard"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v4.view.ViewPager
android:layout_height="match_parent"
android:layout_width="match_parent"
android:id="#+id/viewPager"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
>
</android.support.v4.view.ViewPager>
<android.support.design.widget.AppBarLayout
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:id="#+id/appBarLayout">
<android.support.v7.widget.Toolbar
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:background="#color/colorPrimary"
android:minHeight="?attr/actionBarSize"
android:id="#+id/toolBar"
app:layout_scrollFlags="scroll|enterAlways"
android:layout_height="wrap_content"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light"
app:theme="#style/ThemeOverlay.AppCompat.Dark"
app:layout_collapseMode="pin">
</android.support.v7.widget.Toolbar>
<android.support.design.widget.TabLayout
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:id="#+id/tabLayout"
app:tabSelectedTextColor="#color/white"
app:tabTextColor="#color/colorTab"
app:tabTextAppearance="#style/MyTabStyle"
app:tabIndicatorColor="#android:color/white"
app:tabIndicatorHeight="3dp"
app:tabMode="fixed"
app:tabGravity="fill">
</android.support.design.widget.TabLayout>
</android.support.design.widget.AppBarLayout>
</android.support.design.widget.CoordinatorLayout>
<android.support.design.widget.NavigationView
app:headerLayout="#layout/header"
app:itemTextAppearance="#style/NavDrawerTextStyle"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:id="#+id/nav_view"
android:background="#d2d2d2"
app:itemTextColor="#6c6c6c"
app:itemIconTint="#6c6c6c"
app:menu="#menu/drawermenu"
android:layout_gravity="start">
</android.support.design.widget.NavigationView>
</android.support.v4.widget.DrawerLayout>

Actionbar title does not align vertically when using CoordinatorLayout

So I've got a fragment with a CoordinatorLayout as follows:
<android.support.design.widget.CoordinatorLayout 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"
xmlns:app="http://schemas.android.com/apk/res-auto"
tools:context="com.susheel.pocketparliament.fragments.pages.HomeFragment">
<android.support.design.widget.AppBarLayout
android:id="#+id/app_bar_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fitsSystemWindows="true">
<android.support.design.widget.CollapsingToolbarLayout
android:layout_width="match_parent"
android:layout_height="350dp"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:contentScrim="#color/colorPrimary"
app:expandedTitleTextAppearance="#color/colorAccent"
android:fitsSystemWindows="true"
app:collapsedTitleGravity="top">
<ImageView
android:src="#drawable/building_1"
app:layout_collapseMode="parallax"
android:scaleType="centerCrop"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fitsSystemWindows="true"/>
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:popupTheme="#style/ThemeOverlay.AppCompat.Light"
app:layout_collapseMode="pin"
app:title="Title">
</android.support.v7.widget.Toolbar>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/lorem"
android:textStyle="bold"
android:padding="12dp"
android:textSize="20sp"/>
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
</android.support.design.widget.CoordinatorLayout>
This is the layout for my MainActivity:
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout 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="com.susheel.pocketparliament.MainActivity">
<!--This will be replaced with fragments-->
<FrameLayout
android:id="#+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent">
</FrameLayout>
<android.support.design.widget.NavigationView
android:id="#+id/navigation_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:menu="#menu/sidenav_menu"
app:headerLayout="#layout/navigation_header">
</android.support.design.widget.NavigationView>
</android.support.v4.widget.DrawerLayout>
The fragment gets added using the FragmentManager to replace the FrameLayout. However, when I scroll up on the CoordinatorLayout, the title on my ActionBar isn't centered vertically. This is what happens:
How do I get the action bar title to center? Thanks!
EDIT: Sorry about the huge images

Just use android:paddingBottom="10dp" inside your toolbar.
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:popupTheme="#style/ThemeOverlay.AppCompat.Light"
app:layout_collapseMode="pin"
android:paddingBottom="10dp"
app:title="Title">
</android.support.v7.widget.Toolbar>

Collapsing Toolbar Layout is not expanded at first time and pin doesn't work

I have a bottom sheet in my app and I want to use of Collapsing Toolbar Layout in it. but when I open bottom sheet Collapsing Toolbar Layout will disappear and I have to scroll down to see it.
And another problem is about pin mode that doesn't work for my Linear layout that I want to be the pin in scroll mode.
and when I add Collapsing Toolbar Layout my bottom sheet will not open full screen too.
This is my 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:id="#+id/coordinatorLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.AppBarLayout
android:id="#+id/appBarLayout"
android:layout_width="match_parent"
android:layout_height="360dp"
android:background="#ffffff"
app:elevation="5dp"
app:expanded="true">
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/collapsingToolbarLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:expanded="true">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_collapseMode="parallax"
app:layout_collapseParallaxMultiplier="0.7">
<android.support.v4.view.ViewPager
android:id="#+id/pager"
android:layout_width="match_parent"
android:layout_height="252dp"
app:layout_constraintBottom_toTopOf="#+id/indicator"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<me.relex.circleindicator.CircleIndicator
android:id="#+id/indicator"
android:layout_width="match_parent"
app:ci_drawable="#drawable/circleindicator_round"
android:layout_height="48dp"
android:layout_gravity="bottom"
android:gravity="bottom"
android:visibility="visible"/>
</LinearLayout>
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin"
android:layout_gravity="bottom"
android:visibility="visible"
app:titleTextColor="#color/black">
</android.support.v7.widget.Toolbar>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.NestedScrollView
android:id="#+id/nestedScrollView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#e9e7e7"
android:fillViewport="false"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
</android.support.v4.widget.NestedScrollView>
</android.support.design.widget.CoordinatorLayout>
Thank you for your answer.

add android:fitsSystemWindows="true" in CoordinatorLayout and CollapsingToolbarLayout. app:elevation="5dp" app:expanded="true" is not necessary . remove LinearLayout and place a FrameLayout
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fitsSystemWindows="true"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:title="ASDASD">
<android.support.v4.view.ViewPager
android:id="#+id/pager"
android:layout_width="match_parent"
android:layout_height="252dp"/>
<FrameLayout
android:layout_width="match_parent"
android:layout_gravity="bottom"
android:layout_marginTop="230dp"
android:layout_height="wrap_content">
<me.relex.circleindicator.CircleIndicator
android:id="#+id/indicator"
android:layout_width="match_parent"
app:ci_drawable="#drawable/circleindicator_round"
android:layout_height="48dp"
android:layout_gravity="bottom"
android:gravity="bottom"
android:visibility="visible"/>
</FrameLayout>
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin">
</android.support.v7.widget.Toolbar>
</android.support.design.widget.CollapsingToolbarLayout>
and remove android:fillViewport="false" in NestedScrollView

I found my mistake.
I used my code in normal Activity and it works fine. It doesn't work correctly in the BottomSheet.
The promblem is about the BottomSheet but I don't know how to fix that. Anyway, This problem is solved by using a Simple Activity.

Scrolling with Collapsing Toolbar and Tabs

I'm trying to make a layout with a CollapsingToolbarLayout which has scroll|exitUntilCollapsed flag, and a TabLayout which has scroll|enterAlways scrollFlag property. Basically I want my toolbar to be pinned and show and hide the tabs while scrolling. I've modified the cheesesquare app from https://github.com/chrisbanes/cheesesquare. Here is my layout 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:id="#+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="#+id/appbar"
android:layout_width="match_parent"
android:layout_height="#dimen/detail_backdrop_height"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"
android:fitsSystemWindows="true">
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
android:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleMarginStart="48dp"
app:expandedTitleMarginEnd="64dp">
<ImageView
android:id="#+id/backdrop"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:fitsSystemWindows="true"
app:layout_collapseMode="parallax" />
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light"
app:layout_collapseMode="pin" />
<android.support.design.widget.TabLayout
android:id="#+id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_scrollFlags="scroll|enterAlways"
app:layout_behavior="#string/appbar_scrolling_view_behavior"/>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<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" />
<android.support.design.widget.FloatingActionButton
android:layout_height="wrap_content"
android:layout_width="wrap_content"
app:layout_anchor="#id/appbar"
app:layout_anchorGravity="bottom|right|end"
android:src="#drawable/ic_discuss"
android:layout_margin="#dimen/fab_margin"
android:clickable="true"/>
</android.support.design.widget.CoordinatorLayout>
And here is the result;
The tabs are not positioned properly. And they don't care about the enterAlways property.

Hey this may solve your problem.
just add android:layout_gravity="bottom" to tablayout and android:gravity="top" to toolbar.

Remove attribute app:layout_behavior="#string/appbar_scrolling_view_behavior" & app:layout_scrollFlags="scroll|enterAlways" from android.support.design.widget.TabLayout and add attribute android:layout_gravity="bottom".
Also set android.support.v7.widget.Toolbar height as 104(Toolbar+TabLayout height) to show both Toolbar and TabLayout during collapsed state.
Here is an working example:
<?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:id="#+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="#+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fitsSystemWindows="true"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="256dp"
android:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:titleEnabled="false">
<ImageView
android:id="#+id/image_header"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
android:scaleType="centerCrop"
app:layout_collapseMode="parallax" />
<android.support.v7.widget.Toolbar
android:id="#+id/anim_toolbar"
android:layout_width="match_parent"
android:layout_height="104dp"
android:minHeight="?attr/actionBarSize"
android:gravity="top"
app:layout_collapseMode="pin"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light"
app:titleMarginTop="13dp" />
<android.support.design.widget.TabLayout
android:id="#+id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
app:tabGravity="fill"
app:tabMode="scrollable"
style="#style/MyCustomTabLayout"/>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="#+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="#string/appbar_scrolling_view_behavior" />
<android.support.design.widget.FloatingActionButton
android:id="#+id/fab_map"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentBottom="true"
android:layout_gravity="bottom|end"
android:layout_margin="#dimen/fab_margin"
app:backgroundTint="#f44336"
android:src="#drawable/ic_maps_my_location" />
</android.support.design.widget.CoordinatorLayout>
Hope this will help~

I am a bit unclear on what is to be achieved here.
Do you not want the TAB to move up and down while scrolling? If so, you want to put the TabLayout outside the CollapsingToolbarLayout. Because anything that you put inside the CollapsingToolbarLayout, will move on scrolling.
From the comment you have put, I have modified your xml to imitate that of the YouTube screen. The toolbar is put outside the coordinator layout since it's pinned permanently and is not affected by the scrolling. Something that's worth mentioning is "One note: all views using the scroll flag must be declared before views that do not use the flag. This ensures that all views exit from the top, leaving the fixed elements behind." This is taken from the android blogpost http://android-developers.blogspot.in/2015/05/android-design-support-library.html. This is why I have moved the toolbar out of the AppBarLayout.
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
android:layout_height="match_parent"
android:layout_width="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"/>
<android.support.design.widget.CoordinatorLayout
android:id="#+id/main_content"
android:layout_below="#id/toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.AppBarLayout
android:id="#+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.design.widget.TabLayout
android:id="#+id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_scrollFlags="scroll|enterAlways"
app:layout_behavior="#string/appbar_scrolling_view_behavior"/>
</android.support.design.widget.AppBarLayout>
<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" />
</android.support.design.widget.CoordinatorLayout>
</RelativeLayout>
I have put the TabLayout static, but you can make it scrollable. If this is not what you are looking for, kindly explain pictorially what is to be achieved here. I will be glad to help.

I built two samples with parallax and one with RecyclerView on top of AppbarLayout
One with only parallax is
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="#+id/htab_maincontent"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<!--
OUTLINE
<CoordinatorLayout>
<AppbarLayout>
<CollapsingToolbarLayout>
<ImageView/>
<Toolbar/>
<TabLayout/>
</CollapsingToolbarLayout>
</ AppbarLayout >
<NestedScrollView/>
</CoordinatorLayout>
-->
<com.google.android.material.appbar.AppBarLayout
android:id="#+id/appbarLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?attr/colorPrimary"
android:fitsSystemWindows="true"
android:theme="#style/ThemeOverlay.MaterialComponents.Dark.ActionBar">
<com.google.android.material.appbar.CollapsingToolbarLayout
android:id="#+id/collapsingToolbar"
android:layout_width="match_parent"
android:layout_height="256dp"
android:fitsSystemWindows="true"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:contentScrim="?attr/colorPrimary">
<ImageView
android:id="#+id/ivHeader"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/header"
android:fitsSystemWindows="true"
android:scaleType="centerCrop"
app:layout_collapseMode="parallax" />
<androidx.appcompat.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin"
android:layout_gravity="top"
android:layout_marginBottom="?attr/actionBarSize" />
<com.google.android.material.tabs.TabLayout
android:id="#+id/tabLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:background="#android:color/transparent"
app:tabIconTint="#F57C00"
app:tabIndicatorColor="#F57C00"
app:tabIndicatorHeight="4dp"
app:tabMode="scrollable"
app:tabSelectedTextColor="#F5F5F5"
app:tabTextColor="#FFE0B2" />
</com.google.android.material.appbar.CollapsingToolbarLayout>
</com.google.android.material.appbar.AppBarLayout>
<androidx.viewpager2.widget.ViewPager2
android:id="#+id/viewPager2"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="#string/appbar_scrolling_view_behavior" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>
And the one that RecyclerView above AppbarLayout is
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="#+id/htab_maincontent"
android:layout_width="match_parent"
android:background="#EEEEEE"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<!--
OUTLINE
<CoordinatorLayout>
<AppbarLayout>
<CollapsingToolbarLayout>
<ImageView/>
<Toolbar/>
<TabLayout/>
</CollapsingToolbarLayout>
</ AppbarLayout >
<NestedScrollView/>
</CoordinatorLayout>
-->
<com.google.android.material.appbar.AppBarLayout
android:id="#+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?attr/colorPrimary"
android:fitsSystemWindows="true"
android:theme="#style/ThemeOverlay.MaterialComponents.Dark.ActionBar">
<com.google.android.material.appbar.CollapsingToolbarLayout
android:id="#+id/collapsingToolbar"
android:layout_width="match_parent"
android:layout_height="330dp"
android:fitsSystemWindows="true"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:contentScrim="?attr/colorPrimary">
<ImageView
android:id="#+id/ivHeader"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#drawable/header"
android:fitsSystemWindows="true"
android:scaleType="centerCrop"
app:layout_collapseMode="parallax" />
<androidx.appcompat.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin"
android:layout_gravity="top"
android:layout_marginBottom="?attr/actionBarSize" />
<com.google.android.material.tabs.TabLayout
android:id="#+id/tabLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:background="#android:color/transparent"
app:tabIconTint="#F57C00"
app:tabIndicatorColor="#F57C00"
android:translationY="-30dp"
app:tabIndicatorHeight="4dp"
app:tabMode="scrollable"
app:tabSelectedTextColor="#F5F5F5"
app:tabTextColor="#FFE0B2" />
</com.google.android.material.appbar.CollapsingToolbarLayout>
</com.google.android.material.appbar.AppBarLayout>
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/constraintLayout"
app:behavior_overlapTop="30dp"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<androidx.viewpager2.widget.ViewPager2
android:id="#+id/viewPager2"
android:layout_width="match_parent"
android:background="#fff"
android:layout_marginStart="10dp"
android:layout_marginEnd="10dp"
android:layout_height="match_parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>
And setting TabLayout translationY on scroll with
// Check if scrolling up or down
var initTransitionY = tabLayout.translationY
tabLayout.post {
initTransitionY = tabLayout.translationY
}
appbar.addOnOffsetChangedListener(AppBarLayout.OnOffsetChangedListener { appBarLayout, verticalOffset ->
//Check if the view is collapsed
if (abs(verticalOffset) >= appbar.totalScrollRange) {
collapsingToolbar.title = "Collapsed"
} else {
collapsingToolbar.title = ""
}
tabLayout.translationY =
initTransitionY + initTransitionY * (verticalOffset / appBarLayout.totalScrollRange.toFloat())
})
For full samples and other samples you can check out this repo

add android:layout_gravity="bottom" to android.support.design.widget.TabLayout