android studio recyclerview scroll to position

Android studio recyclerview scroll to position android#
Android studio recyclerview scroll to position code#

I hope you can use this little guide to improve the user experience of your app. Restore previous state (including selected item index and scroll position) Additionally, if you need to set a new adapter, you can hold on to the scroll position: // Save the ListView state (= includes scroll position) as a Parceble You can use these two snippets to correctly manage ListViews throughout the activity or fragment lifecycle.

Android studio recyclerview scroll to position code#

The code to restore the ListView state, including scroll position: // Restore previous state (including selected item index and scroll position) Parcelable state = listView.onSaveInstanceState() The code to save the ListView state: // Save the ListView state (= includes scroll position) as a Parceble Once again, the best answer is buried on StackOverflow and not even marked as correct solution.

Android studio recyclerview scroll to position android#

The best solution is to use the pre-defined implementation, which unfortenately is not very established in the Android community. While this might lead to the desired result, it is neither the Android-way of doing things, nor nice and clean code. Thus, some suggest to calculate the distance of the first ListView item to the top and then save the value in combination with getFirstVisiblePosition(). Slightly irritating and confusing for the user.

When restoring the ListView using the first visible position, the ListView will usually make a small jump up. A ListView item, which is only partially visible at the top, will be ignored. I will not post the entire code here, since it has a major drawback: it is inaccurate. If you research the issue, most guides will tell you to figure out the position of the first item, which is visible on the ListView with listView.getFirstVisiblePosition().

In this guide, I will outline three different approaches. Some apps at least restore the ListView to the general area, but not pixel-perfect. As an active Android user I see a common problem in many Android apps: they lose the scroll progress I made on a ListView after returning from a different view or restarting the app. Step 1 Create a new project in Android Studio, go to File New Project and fill all required details to create a new project. This example demonstrates how do I use RecyclerView inside NestedScrollView in android. ListViews are a very capable, but also sometimes a challenging component. Android Apps/Applications Mobile Development.

Introduction Convenience method to scroll to a certain position. If you are developing an Android app, you probably ran into Android ListViews. Android RecyclerView scrollToPosition (int position) Convenience method to scroll to a certain position.