I'm trying to have a collapsing toolbar view with two snapping point. Is there any way to do this. I'm trying for two days and couldn't find a proper solution. I want something like this:
**
Default look:
**
**
First snapping point:
**
**
Second snapping point:
**
I think you know how to set up a Collapsing Toolbar right?
If you have done that you can get two snapping points with just setting the scroll flags as follows:
<android.support.design.widget.CollapsingToolbarLayout
...stuff...
app:layout_scrollFlags="scroll|enterAlways|snap">
If that doesn't work for you, I found a great post that provides a custom scrolling behaviour. Cheers
So after reading a lot of stack question's and find out their solution has a lot of complex code(and I'm so lazy) for this simple task. I fond a simple solution:
this is my collapsing tollbar layout:
<com.google.android.material.appbar.AppBarLayout
android:id="#+id/appBar"
android:layout_width="match_parent"
android:layout_height="258dp"
android:background="#android:color/transparent"
android:fitsSystemWindows="true"
android:minHeight="60dp"
app:elevation="0dp"
app:layout_insetEdge="top">
<com.google.android.material.appbar.CollapsingToolbarLayout
android:id="#+id/collapsingToolbarLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:contentScrim="#android:color/transparent"
app:layout_scrollFlags="scroll|enterAlways|snap">
**/**** First snapping point ***************/**
<com.google.android.material.appbar.MaterialToolbar
android:id="#+id/toolbarOne"
android:layout_width="match_parent"
android:layout_height="70dp"
app:layout_collapseMode="pin" />
</com.google.android.material.appbar.CollapsingToolbarLayout>
</com.google.android.material.appbar.AppBarLayout>
for the first snapping point you can use a toolbar with layout_collapseMode="pin" and set the size that you want for the snap position.
now for the second snapping point in your content layout witch have a nested scroll view or whatever, you can use a transparent view with the size you want for second snap position. this will avoid the app bar to rich the scroll rang and you have second snap point:
<androidx.core.widget.NestedScrollView 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:id="#+id/nestedScrollView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
tools:showIn="#layout/fragment_calendar">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
**/**** second snapping point ***************/**
<ImageView
android:id="#+id/daily"
android:layout_width="match_parent"
android:layout_height="60dp"
app:layout_constraintTop_toTopOf="parent" />
<androidx.constraintlayout.widget.ConstraintLayout
style="#style/PageBackground.White"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="#id/daily"
android:background="#drawable/background_top_corner_calendar">
your content.....
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.core.widget.NestedScrollView>
Related
I have a layout that contains a tree of views like below:
- ConstraintLayout
-- TextView
- WebView
- TabLayout (1) (3 tabs)
- ViewPager (1)
- TabLayout (2) (4 tabs)
- ViewPager (2)
When user scrolls to ViewPager (1), TabLayout (1) will stick at top and able to interact like below GIF in Huobi app. And if user scrolls more to ViewPager (2), it will push TabLayout (1) out and TabLayout (2) will be sticked on top.
I tried some articles like (https://stackoverflow.com/a/44327350 -- It creates fake view and not able to interact header) and libs like (https://github.com/emilsjolander/StickyScrollViewItems -- quite too long no update) but i don't feel it good.
Any good practice on this? I see many apps used it but not sure will Google supports it natively and not sure what I missed.
Any help would be appreciated. Thanks.
Update 13/12/2021
<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<data />
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/background_color">
// Header
<include
android:id="#+id/layout_header"
layout="#layout/layout_header" />
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<WebView
android:id="#+id/wvChart"
android:layout_width="match_parent"
android:layout_height="#dimen/webview_height" />
<com.google.android.material.tabs.TabLayout
android:id="#+id/tl1"
android:layout_width="match_parent"
android:layout_height="#dimen/tablayout_height"
style="#style/TabLayoutStyle"
app:layout_constraintTop_toBottomOf="#id/wvChart"
app:tabTextAppearance="#style/TabLayoutTextStyle"/>
<androidx.viewpager2.widget.ViewPager2
android:id="#+id/vpg1"
android:minHeight="#dimen/viewpager_market_info"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/background_color"
app:layout_constraintTop_toBottomOf="#id/tl1"/>
<com.google.android.material.tabs.TabLayout
android:id="#+id/tl2"
android:layout_width="match_parent"
android:layout_height="#dimen/tablayout_height"
style="#style/TabLayoutStyle"
app:layout_constraintTop_toBottomOf="#id/vpg1"
app:tabTextAppearance="#style/TabLayoutTextStyle"/>
<androidx.viewpager2.widget.ViewPager2
android:id="#+id/vpg2"
android:minHeight="#dimen/viewpager_market_info"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/background_color"
app:layout_constraintTop_toBottomOf="#id/tl2"/>
</androidx.constraintlayout.widget.ConstraintLayout>
</LinearLayout>
</layout>
I am currently using this lib StickyScrollView, it works as expected but contains minor bugs. I still want to find other stable way. Thanks.
As I had no source code from you, I just started to make an own little project to achieve that. First of all you need to take a CoordinatorLayout as base frame. In that you use an AppBarLayout that is the parent of a CollapsingToolbarLayout and in that you can put your content (here e.g. TextView). The second Toolbar in it needs to be pinned (app:layout_collapseMode="pin")
Below that you will continue with the NestedScrollView to have no glitches etc., for a smooth UX.
There you go with your activity_main.xml:
<?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"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<com.google.android.material.appbar.AppBarLayout
android:id="#+id/appbar"
android:layout_width="match_parent"
android:layout_height="150dp"
android:fitsSystemWindows="true">
<com.google.android.material.appbar.CollapsingToolbarLayout
android:id="#+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:contentScrim="#6200EA"
app:layout_scrollFlags="scroll|snap|exitUntilCollapsed"
app:title="Collapsing Toolbar">
<TextView
android:layout_width="250dp"
android:layout_height="40dp"
android:layout_gravity="center|end"
android:layout_marginBottom="15dp"
android:scaleType="centerCrop"
android:text="Trade your Bitcoins here:"
android:textSize="18sp"
android:textStyle="bold"
app:layout_collapseMode="parallax" />
<Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin" />
</com.google.android.material.appbar.CollapsingToolbarLayout>
</com.google.android.material.appbar.AppBarLayout>
<androidx.core.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">
</androidx.core.widget.NestedScrollView>
</androidx.coordinatorlayout.widget.CoordinatorLayout>
Collapsed Toolbar:
Extended Toolbar:
I think now you should have a good inspiration how to design further. It's the same principal. In terms of time I just made a ruff version. In your shown GIF it's just an additional Toolbar at the top, that's normally known as "DarkActionbar" in themes.xml. And the RecyclerView (in your example "Order Book") will be added as a child in NestedScrollView. Cheers!
I am trying to hide my tool bar when I scroll my text and image with content. Here I use scrollView for getting scroll content. When I scroll content up, how to hide the tool bar?
Here is my XMl code:
content_main.XML:
<android.support.v4.widget.NestedScrollView
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:paddingTop="?android:attr/actionBarSize"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:id="#+id/textone"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:textSize="23dp"
android:textStyle="bold"
android:text="hello world jheds sdjhs jds sjbs skjs ksjs kksjs ksj sdd dskd js sk "/>
<ImageView
android:id="#+id/imge"
android:layout_width="match_parent"
android:layout_height="250dp"
android:src="#drawable/imag_bg"/>
<TextView
android:id="#+id/texttwo"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:text="Pretty good, the Toolbar is moving along with the list and getting back just as we expect it to. This is thanks to the restrictions that we put on the mToolbarOffset variable.
If we would omit checking if it’s bigger than 0 and lower than mToolbarHeight then when
we would scroll
up our list, the Toolbar would move along far away off the screen, so to show it back you
would have to scroll the list down to 0. Right now it just scrolls up to mToolbarHeight
position and not more so it’s “sitting” right above the list all of the time and if we
start scrolling down, we can see it immediately showing.
up our list, the Toolbar would move along far away off the screen, so to show it back you
would have to scroll the list down to 0. Right now it just scrolls up to mToolbarHeight
position and not more so it’s “sitting” right above the list all of the time and if we
start scrolling down, we can see it immediately showing
up our list, the Toolbar would move along far away off the screen, so to show it back you
would have to scroll the list down to 0. Right now it just scrolls up to mToolbarHeight
position and not more so it’s “sitting” right above the list all of the time and if we
start scrolling down, we can see it immediately showing
up our list, the Toolbar would move along far away off the screen, so to show it back you
would have to scroll the list down to 0. Right now it just scrolls up to mToolbarHeight
position and not more so it’s “sitting” right above the list all of the time and if we
start scrolling down, we can see it immediately showing
up our list, the Toolbar would move along far away off the screen, so to show it back you
would have to scroll the list down to 0. Right now it just scrolls up to mToolbarHeight
position and not more so it’s “sitting” right above the list all of the time and if we
start scrolling down, we can see it immediately showing
up our list, the Toolbar would move along far away off the screen, so to show it back you
would have to scroll the list down to 0. Right now it just scrolls up to mToolbarHeight
position and not more so it’s “sitting” right above the list all of the time and if we
start scrolling down, we can see it immediately showing
It works pretty well, but this is not what we want. It feels weird that you can
stop it in the middle of
the
scroll and the Toolbar will stay half visible. Actually this is how it’s done in Google Play
Games app
which I consider as a bug
It works pretty well, but this is not what we want. It feels weird that you can
stop it in the middle of
the
scroll and the Toolbar will stay half visible. Actually this is how it’s done in Google Play
Games app
which I consider as a bug
It works pretty well, but this is not what we want. It feels weird that you can
stop it in the middle of
the
scroll and the Toolbar will stay half visible. Actually this is how it’s done in Google Play
Games app
which I consider as a bug."/>
</LinearLayout>
<View
android:layout_width="wrap_content"
android:layout_height="30dp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:text="hai"
android:layout_width="160dp"
android:layout_height="match_parent" />
<Button
android:text="hello"
android:layout_width="160dp"
android:layout_height="match_parent" />
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
activity_main.XML
<android.support.design.widget.AppBarLayout
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:theme="#style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="#style/AppTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<include layout="#layout/content_main" />
you have to do many changes in your both layout. first use CoordinatorLayout in activity_main.XML like below(change theme as per your requirement).
<?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:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light" />
</android.support.design.widget.AppBarLayout>
<include layout="#layout/content_main" />
</android.support.design.widget.CoordinatorLayout>
in content_main.XML use android.support.v4.widget.NestedScrollView instead of ScrollView.
also use app:layout_behavior="#string/appbar_scrolling_view_behavior" inside android.support.v4.widget.NestedScrollView like below.
<android.support.v4.widget.NestedScrollView
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:id="#+id/textone"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="hello world jheds sdjhs jds sjbs skjs ksjs kksjs ksj sdd dskd js sk "
android:textSize="25dp"
android:textStyle="bold" />
/// Add your other code here
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
This is the best scenario to make use of CoordinatorLayout in your app. CoordinatorLayout is a super-powered FrameLayout which has got a lot of nifty animation tricks upon its sleeves.
The Design library introduces CoordinatorLayout, a layout which
provides an additional level of control over touch events between
child views, something which many of the components in the Design
library take advantage of.
You can start with this and this tutorial.
Wrap activity_main.xml in Coordinator Layout so it will be its parent layout.
<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:id="#+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:theme="#style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="#style/AppTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<include layout="#layout/content_main" />
</android.support.design.widget.CoordinatorLayout>
You can find my solution about your question from here:
Android Toolbar + Tab Layout + Drawer, Hide toolbar when scrolling and take TabLayout to the top
This's a working solutio but it's not the best way to implement this animation. With CoordiantorLayout you can relate your views and it's scrolling behaviors.
You can find more info from here: https://developer.android.com/reference/android/support/design/widget/CoordinatorLayout.html
When i have time i'll try to post a code example for you.
Just set flag to like app:layout_scrollFlags="scroll|enterAlways"
<android.support.v7.widget.Toolbar xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light"
app:titleTextColor="#FFFFFF"
app:layout_scrollFlags="scroll|enterAlways"
/>
I want to create a Fragment with a RecyclerView that slides up and shows more items as you slide it up.
Here is an example of what I am talking about.
Initial Creation:
User Swipes Up to slide RecyclerView up, shows more items:
There are a few issues, I would like to not use a CoordinatorLayout, and I would like to set it to where the items in the RecyclerView stack up directly on top of the EditText.
This is the layout code I am using:
<android.support.design.widget.CoordinatorLayout
android:id="#+id/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:visibility="visible">
<android.support.design.widget.AppBarLayout
android:id="#+id/appBarLayout"
android:layout_width="match_parent"
android:layout_height="400dp"
android:background="#android:color/transparent"
android:fitsSystemWindows="true"
android:orientation="vertical">
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/collapsingToolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#android:color/transparent"
android:fitsSystemWindows="true"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<View
android:id="#+id/emptyView"
android:layout_width="match_parent"
android:layout_height="400dp"
android:background="#android:color/transparent"
app:layout_collapseMode="parallax"/>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v7.widget.RecyclerView
android:id="#+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_behavior="#string/appbar_scrolling_view_behavior"/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<EditText
android:id="#+id/editText"
android:paddingLeft="16dp"
android:inputType="textAutoCorrect"
android:layout_centerVertical="true"
android:background="#android:color/transparent"
android:layout_width="match_parent"
android:layout_height="56dp"/>
</RelativeLayout>
</RelativeLayout>
And I get something like this:
This is definitely not scalable, and empty view would need to be consistently measured.
I solved this by using a custom TouchListener all of the other solutions were very basic and limited to a specific and boxed use-case.
The way I did this was to implement a new TouchListener based off of this library:
BounceTouchListener
I get the following results:
Use RecyclerView with 2 types of rows:
Empty row/rows colored gray (without divider)
Rows with content as you already have
The RecyclerView will have to match_parent to the entire fragment
So you will get the right effect of a "blank" area on top of the RecyclerView.
You can use setReverseLayout of LinearLayoutManager
Used to reverse item traversal and layout order. This behaves similar
to the layout change for RTL views. When set to true, first item is
laid out at the end of the UI, second item is laid out before it etc.
For horizontal layouts, it depends on the layout direction. When set
to true, If RecyclerView is LTR, than it will layout from RTL, if
RecyclerView} is RTL, it will layout from LTR. If you are looking for
the exact same behavior of setStackFromBottom(boolean), use
setStackFromEnd(boolean)
I have this layout:
<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="wrap_content">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways|snap"/>
</android.support.design.widget.AppBarLayout>
<android.support.v7.widget.RecyclerView
android:id="#+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
</android.support.v7.widget.RecyclerView>
<android.support.design.widget.FloatingActionButton
android:id="#+id/fabButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="end|bottom"
android:src="#drawable/ic_favorite_outline_white_24dp"/>
</android.support.design.widget.CoordinatorLayout>
Setting #string/appbar_scrolling_view_behavior attribute shifts the RecyclerView by the height of the Toolbar.
But what if I need the first element of the RecyclerView to be aligned to the status bar.
I want the Toolbar to cover (be above) the first element.
In other words, I don't want any offset which #string/appbar_scrolling_view_behavior behaviour entails.
Could you please tell me how to do that?
I had the same problem and I just wrapped the AppbarLayout and the rest of my views (in your case the recyclerview) in a RelativeLayout and it works fine. I don't know if there are any downsides with that approach.
The offset is not by #string/appbar_scrolling_view_behavior behaviour it's due to AppBarLayout it pushes the content down.
I'm not sure if there is any other better solution. But I'd suggest to remove the AppBarLayout to have your content go under the Toolbar. Moreover you might be need the scrolling behaviour for that you can check the library below.
It's been used by lots of apps like Jair Music Player even WhatsApp too uses it.
Library:
Android Observable Scroll View
There's not many examples of these new layouts out on the Internet and those few that are out there are all based on same basic approach. How about if I don't have a proper toolbar in my app, but still want to use the cool functionalities of new material design layouts?
One thing that I've been trying out is using a MapView and RecyclerView inside CoordinatorLayout with a parallax scrolling effect. It works great, but there's a problem. If my adapter count is low, the RecyclerView doesn't remain on the bottom of screen. Here's some images to better describe the problem.
Initial screen:
RecyclerView scrolls over MapView, leaving blank space below:
Is there a way to keep RecyclerView on bottom?
My xml looks like this:
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:app="http://schemas.android.com/apk/res-auto">
<android.support.design.widget.AppBarLayout
android:id="#+id/appBarLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_scrollFlags="scroll|enterAlways">
<com.google.android.gms.maps.MapView
android:id="#+id/tts_main_map"
android:layout_width="match_parent"
android:layout_height="250dp"
app:layout_collapseMode="parallax" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v7.widget.RecyclerView
android:id="#+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:scrollbars="vertical"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
/>
</android.support.design.widget.CoordinatorLayout>
Try to set the android:minHeight property of the CollapsingToolbarLayout dynamically depending on how many items you have in the list. I.e. you should set (pseudo-code):
minHeight = allAvailableHeight - (oneListItemHeigh * listItemCount)
PS. It just an idea, I did not tried. But I think it should works.