If you can not watch the above video, you can see it on the youtube URL 3. When clicking the Add menu item, it will add a car to the list randomly, when clicking the Delete menu item, it will automatically delete a car in the list also.īelow is the screen without use AppBarLayout to wrap Toolbar.The RecyclerView use LinearLayoutManager to list some car image and text. The Toolbar contains two menu items Add and Delete. In this example, there is a Toolbar and a RecyclerView on the screen.Scroll RecyclerView To Show / Hide Toolbar Example. enterAlways: This means when RecyclerView scrolls down, the Toolbar will scroll down and display again.snap: Snap indicates that when Toolbar is not fully hidden or displayed, it will automatically select whether it is hidden or displayed on the basis of the current rolling distance.scroll: Scroll means when the RecyclerView scrolls up, the Toolbar will scroll up also and be hidden.The Toolbar property app:layout_scrollFlags‘s value can be followings.You can set the behavior by configuring Toolbar‘s app:layout_scrollFlag property value as below. Wrapped by AppBarLayout, the Toolbar will be hidden when the user scrolls RecyclerView down, and it will be shown again when the user scrolls RecyclerView up.How To Control Android App Toolbar Show / Hide Behavior. This same technique can be used in ViewPager when each Fragment have RecyclerView and the ViewPager is inside any CollapsingToolbarLayout.1. Now, your RecyclerView will work with smooth scrolling. tNestedScrollingEnabled(listRecyclerView, false) To fix this issue, all you have to do is add this line after RecyclerViews adapter has been set. It will stop as soon as finger is off the screen resulting in a very stucking scrolling.

Now, the RecyclerView will scroll but it will not be smooth. To fix that, you will have to use NestedScrollView instead of ScrollView like this:

Scroll bar android studio recyclerview