To request focusing an item view, the view must be focusable and you call View.requestFocus (). Returning to the application, in the RecyclerView adapter file, which is where these error lines refer me, it appears that the textviews are not correctly related in the project because they are null, I attach the adapter encoding: public class AdapterPaciente extends RecyclerView. You call RecyclerView.scrollToPosition (position) to request the RecyclerView's LayoutManager to scroll to the given position during the next layout pass (it's asynchronous). ![]() ![]() activitymain ![]() For Android University courses its recommended to use this approach for. RecyclerView makes it easier to display large sets of. We are going to make 6 different recyclerview activities in order. The approaches for ListView, GridView and RecyclerView (the successor to. The Android platform gives us two different types of views that can be leveraged to display lists of data the ListView and the RecyclerView. ![]() I am developing an application that connects to a database and displays the records of each table in a RecyclerView that has CardViews inside, but when I run the application I get the following message in the Android Studio compiler:Ä®/AndroidRuntime: FATAL EXCEPTION: main Process:, PID: 2301 : Attempt to invoke virtual method 'void ()' on a null object reference at .onBindViewHolder(AdapterPaciente.java:57) at .onBindViewHolder(AdapterPaciente.java:18) Step 2: Implement the parent RecyclerView The parent RecyclerView is implemented in the activitymain file. We will learn how to make recyclerview with single item selection in android studio.
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