Example, RecyclerView rv (RecyclerView)findViewById (R.id.recyclerView) rv. Make sure, mMessages size is good as you thinking. I always use smoothScrollToPosition for redirecting to any position. onChangedis only called when you call notify on an Adapter, it is not going to called everytime there is a change on the RecyclerView. Please use smoothScrollToPosition to fix your issue. To do that, we can use AdapterDataObserver.ĪdapterDataObserver has five public methods.Īs the method name implies, onItemRangeInserted is called when an item is added to the RecyclerView, and onItemRemoved is called when an item is removed from the RecyclerView. We should call scrollToPosition when the recyclerView has received dataset. I find that the problem why scrollToPosition, and others API, does not work is because the dataset is not yet ready. When to scroll RecyclerView to a certain position? The right question to ask about scrollToPosition is not How, but When. Try to reduce the delay, usually 500 milliseconds is enough. Android how to make ScrollView auto scroll to bottom Scroll View automatically scroll to bottom Coding Cafe 84. This is a bit hacky, but always works (in my scenario). You can always find its icon on your System Tray. Enter fullscreen mode Exit fullscreen mode SmoothScroll is a lightweight application that runs in the background.
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