Nested recyclerview java

Nested recyclerview java. Each CardView then has its own RecyclerView in it. Download Source Code***** Aug 15, 2022 · The code for that has been given in both Java and Kotlin Programming Language for Android. What I'm doing is creating a method in Get the latest; Stay in touch with the latest releases throughout the year, join our preview programs, and give us your feedback. The CardView onclick is programmed to remove that Card from the list. But for Cardview part, I tried to make nested Recyclerview but performance was so bad, Because using two vertical Recyclerview is not good at all Jun 20, 2020 · secondHeaderAdapter, secondAdapter, thirdHeaderAdapter, thirdAdapter. Below is the code for the single_item. 4. android. Example: onView(withId(R. The parent RecyclerView with vertical scrolling containing a list of RecyclerViews that are also with vertical scrolling and each of them can be expanded or collapsed. Navigate to app > java >your package name > Create a Kotlin Object named as ItemAdapter. NestedScrollView as parent. 0. Room returns a LiveData> from function repository. private TextView txtName; UPDATE: this answer is out dated now as there are widgets like NestedScrollView and RecyclerView that support nested scrolling. Data class is a new concept in kotlin to overcome getter Aug 3, 2022 · card_view:cardBackgroundColor : Used to set the background color of the view. super(v); rvUserEvents = v. toolbar); reminderView = (RecyclerView) findViewById(R. 2- As RecyclerView needs to set LayoutManager and setAdapter. May 24, 2022 · I'm trying to make Recyclerview like Shareit app. On child recycler view adapter add a code that listens the onClick event on the specific item and see its position and finally apply change in the item at that position. The first issue is caused by the fact that the individual views in our AnimalSectionAdapter (meaning the whole rows) are being recycled. I use a Nested JSON to retrieve the information , and I have Successfully retrieved the list of Cinemas, but I receive no matching Movies in the Second RecyclerView. XML. id 'com. private RecyclerView rvUserEvents; private HomeUserEventsRVAdapter rvAdapter; public UserEventsViewHolder(View v) {. Add the following lines will enable data binding and you can rebuild the project. Adapter<CustomAdapter. ) recyclerView. This is the event object that I want to inflate with RecyclerView: this. I searched and found somethings for implementing sticky header with itemdecoration and it's okay. I have multiple checkboxes (switches in my case), in a nested recycler view. 2. android:animateLayoutChanges="false". The problem is that only the "main" RecyclerView is scrolling. Introduction. mCat = mCat; return mDate; Aug 29, 2022 · The Card Layout: The card layout is an XML layout which will be treated as an item for the list created by the RecyclerView. Use setHasFixedSize. Aug 24, 2018 · This will aid in case of you are having a nested RecyclerView which is not your case. inflate (R. e. Jan 17, 2021 · 1. val clickOnImage = actionOnItem(withId(R. reminder_recycler_view); RlayoutManager = new The following is an example for creating nested RecyclerViews in Android. getAdapterPosition() when you need position in anonymous class. Both the parent and child recycler view's are dynamic. Issues. answered Dec 21, 2020 at 1:42. NestedScroll View contain 2 Recycler in the following order. 5) Instantiate the RecyclerView. Set the layout for the RecyclerView. Feb 22, 2021 · The issues. Expandable RecyclerView, Nested Hierarchy. I believe I need to binding adapter, I know how to add binding adapter for image but i am getting confused how to add binding adapter for activity with respect to the recycler view so that I could directly add recycler view adapter in the xml. As a solution to this problem you can create a new LayoutManager that extends the existing one and overrides onMeasure method to measure for wrap content. TransactionsAdapter' cannot be applied to '(android. asked Apr 8, 2020 at 18:05. Then I thought every item itself might be a box, and so be containing other items inside: this brought me to think of a sort of "nested" system of RecyclerViews. Below is the link to the sample of codes: Aug 19, 2022 · This video elaborates the complete idea about Nested and Expandable recyclerview with complete diagram explanation. – Weidian Huang. setNestedScrollingEnabled (false); and as soon as i remove java. Aug 13, 2018 at 10:11. xml file. Sliding on right selects item, it is possible to select the maximum number of selected items. setHasFixedSize(true); LinearLayoutManager layoutManager = new LinearLayoutManager(context, LinearLayoutManager Jun 11, 2020 · I have a nested RecyclerView (i. This will only disable nested scrolling, not all scrolling. ithChildAdapter. As below you can see, I changed RecyclerView background color to HEX #3E3963(blue) and divider color to HEX #FAA701(semi_yellow) and text color for item_row elements to HEX #FFFFFF(white) Create custom divider item decoration class for divider in recyclerview LineDividerItemDecoration. Improve this answer. Flat View improves performance. Feb 26, 2020 · I guess you need to header and footer of RecyclerView. The ViewHolder: The ViewHolder is a java class that stores the reference to the card layout views that have to be dynamically modified during the execution of the program by a list of data obtained either by online databases or added in some other way. java; android; android-studio Feb 6, 2018 · It's hard to point at one specific place and say "this is the issue," since there's a lot of code. Source Code - https://github. java file. Inside the Header adapter, the getItemCount is always one, and we can use View Type to control the state of the header layout. setNestedScrollingEnabled(false); java. I have already set photosRecycler. But I want to add the layout tag in activty_xml where I define the recycler view . It looks like the following : I want to be able to retrieve all switch states on this screen when the user goes back and be able to identify which one’s are set to true. create a child recyclerview for a single parent recyclerview item that displays the children. 1. Before starting we need to do some changes in our build. Is there any way to solve this issue other than taking the recycler view out of nested Jun 26, 2020 · Enables to swipe left or right and shows a new panel. Share. I have a RecyclerView that contains a bunch of CardViews. Mar 27, 2023 · Here we are going to Apply OnClickListener to our RecylerView Adapter by Implementing OnClickListener Interface. A list RecyclerViews are items of a parent RecyclerView. onCreate(savedInstanceState); setContentView(R. Adapter that enables us to display a list of items with a different ViewHolder for different backend-controlled viewType s in Android apps. adapter = mergeAdapter. Snippet of usage: RecyclerView recyclerView = findViewById(R. When nested recyclerviews are scrolled at position 0 the focus goes correctly. Transactions)' A visual representation Also, I tried to change the recyclerviewadapter to work without List<>, but I couldn't make it work and I cannot change the API call because when I Jun 2, 2019 · I would be explaining nested recyclerview in android with help of Kotlin/Java. This is because each of the the nested RecyclerViews has a view pool of its own. @Override public View onCreateView (LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater. Add the below and check the performance. You are setting adapter each time you are updating your data from the server. Now, to have some sort of hierarchy you need to store the depth in the model itself. If it's match_parent it won't work as expected because each row will fill all the RecyclerView. The three header adapters can be different instances of the same Header adapter class. setRecycledViewPool(RecycledViewPool) allows you to set a custom view pool to your recyclerView. java. Mar 23, 2018 · The height of the screen is not enough because there are many items containing two recyclerviews on one screen. Oct 7, 2020 · I actually circumvented this issue by calling the DialogFragment from my OuterRecycler: public class OuterRecyclerAdapter extends RecyclerView. do without ScrollController in NestedScrollView's body. – Ankita Singh. dependencies {. gradle file in order to get the FirebaseUI and Firebase Realtime Database support in the app. Apr 1, 2021 · An alternative equivalent of nested RecyclerViews is nested LazyColumns, where the heights of the inner LazyColumns are specified or constant, and the inner LazyColumns are placed inside item {} blocks. Scroll view supports vertical scrolling only. Step 2: Connect your Firebase project with your app. It is the single item layout that we will use in RecyclerView. That's the data I'm working from. activity_startup); Toolbar toolbar = (Toolbar) findViewById(R. recycler); recyclerView. recyclerView. Have the outerAdapter act as an intermediate between the clicks happening in the innerAdapter and bubble them up via this click handler you just supplied. How can I deal with 2 RecyclerViews? Am new in Android. My 2 cents is that the easier solution is to make a different design that does not require nested horizontal scrolling. fragment_order__subscription_0, container, false I don't know what code should I post, but here's my Parent RV's ViewHolder example with nested RV. however, all the items are loa Oct 5, 2017 · public boolean canScrollVertically() {. Jul 1, 2021 · First I am going to paste the code and then talk about the part pertaining to creating our method. Try this one: public class HeaderAdapter extends RecyclerView. mDescription = mDescription; return mCat; this. Dependencies used: Sep 8, 2017 · This is because each of the the nested RecyclerViews has a view pool of its own. activity_main); recyclerView = (RecyclerView) findViewById(R. layout. content. Dec 2, 2019 · 1. You need to parse this Apr 2, 2016 · MainActivity. Jul 3, 2019 · But this parent recyclerview also needs to: fetch children based on a single parent. setHasFixedSize(true); recyclerView. Which you should not. So i decided add a recyclerView called CheckBoxRecyclerView inside my main recyclerView. , weight, reps) with SetsListAdapter. image_view), click()) // Next you want to do the above click action on the specific view in the child recycler. a RecyclerView that encompasses an inner Recycler view). Feb 22, 2019 · set RecyclerView height wrap_content in xml and maxHeight to fixwidth in dp. Create a file named CharacterInfo. setNestedScrollingEnabled(recyclerView, false); Dec 13, 2021 · I'm trying to integrate the nested array response from the api into nested recyclerview in android I integrate the response but i couldn't get values from the response. Follow. I'm trying to retrive data from Firestore in a fragment. pull to refresh is not work. I'm trying to make workouts log app. Clicking on this panel can be handled. 3) Create the ViewHolder. Pull requests. xml, and a separate file with an item view. But when I use RecyclerView inside LinearLayout or something, it scroll in various speed depending on gesture. I am able to add items, but when I add subitems, the program just stops Nov 23, 2021 · Step 1: Open Android Studio and create a new project named “ RecyclerView ” with an empty activity. This is the framelayout which holds the nested recyclerview in your activity class: May 23, 2016 · Solved: Using custom nested scroll view of @vrund purohit (code below), and disabled nestedscroll both vertical and horizontal recyclerview: verticalRecyclerView. xml and add two random text strings inside the strings. now you should be able to do updates. setNestedScrollingEnabled(false); and remove one line code from recycler view xml android:nestedScrollingEnabled="false" Nov 22, 2019 · The recyclerview only gets a list of objects that implement the interface. which work successfully with the horizontal Recycler view. Dec 23, 2018 · the problem is: when to invoke data from API to a Vertical RecyclerView it loads all data without any consideration to Pagination. Firestore data in Nested Recyclerview. Oct 4, 2018 · 3. Feb 16, 2023 · In the following, we are going to accomplish a basic Android app that uses the powerful RecyclerView. I have implemented this function. ViewHolder> { private static final int TYPE_HEADER = 0; private static final int TYPE_ITEM = 1; String[] data; public HeaderAdapter(String[] data) { this. pinned sliver header issue 2. For example - below country -> state -> city multilevel list. com/foxandroid/NestedRecyclerViewFollow me on Jan 24, 2021 · I'll be using Kotlin for this project as it's the new standard. public class CustomAdapter extends RecyclerView. Jun 5, 2020 · I have a nested recyclerview and I want to dynamically add subitems into individual items as well as being able to add items. The scroll listen to gesture and if I slide up only a bit, then it scroll a little bit while if I slide up really fast, then it scroll really fast. – leegor. Use callback function, when inner Recyclerview value changed, callback to out side Recyclerview to refresh something also. Sulav Parajuli. You should only create the adapter once. For example, I’m looking to obtain something in a similar format to this: [Item 0, Sub Item UPDATE : Change position to holder. new RecyclerItemClickListener(context, recyclerView ,new RecyclerItemClickListener. POJO. Here setHasFixedSize (false) determines that changes in adapter content can change the size of the RecyclerView. Jan 18, 2018 · You can customize this divider color. setNestedScrollingEnabled(false); add each horizontal recyclerviews: horizontalRecyclerView. findViewById(R. The RecyclerView will consume height wrap_content till fixWidth which you set, after reaching to maxHeight, the RecyclerView will scrollable. Nested Recyclerview Issues. // update at position j with new item. recyclerview); movies = new ArrayList<>(); getMoviesFromDB(0); Jun 1, 2018 · How to fill the RecyclerView with nested object from firebase. Aug 8, 2016 · I am developing a Cinema App, but I want to use 2 RecyclerViews, one has successfully loaded, it contains the list of cinemas, then I want when someone taps on any of the Cinemas it loads another list of RecyclerView containing Movies. xml. 2) Create individual RecyclerView item XML file. Just to enhance riwnodennyk's answer, if your ViewHolder is a ViewGroup instead of a direct View object like TextView, then you can add hasDescendant matcher to match the TextView object in the ViewGroup. Go to the single_item. My onCreateView function is this. As long as you keep them in order, they will appear in order on the RecyclerView. Adapter<OuterRecyclerAdapter. extended nested scroll view to fix following issues. Most of the developers call May 16, 2022 · Steps to implement a RecyclerView. Nov 24, 2021 · That defeats the purpose of using RecyclerView at all. ViewHolder {. 5f works perfectly. Here is the code. Method. Nested RecylerView in Android Studio | Nested RecylerView | Android Studio TutorialSource Code: https://github. I have an Activity that has a RecyclerView and a RecyclerView. recycler_view)) . Step 3: Add the following dependency in your app/build. Instead, you should have a List<List<QuestionsToTeacher>>. Adapter (let's call it adapter1). ViewHolder onCreateViewHolder(ViewGroup Jun 9, 2021 · RecyclerView is one of the foremost utilized components in android. getAdapter(); // 4. I guess you are calling the update action code when you are scrolling the items. But it boils down to the fact that there's only a single List<QuestionsToTeacher> questionsToTeacherList inside AdapterAskTeacherList. rv_user_events); rvUserEvents. If possible, we should avoid a nested view and try to create a flat view wherever possible. – Tim. private List<String> data; private OnNoteListener onNoteListener; public CustomAdapter(List<String> data,OnNoteListener onNoteListener){. you should never put a scrollable view inside another scrollable view ! i suggest you make your main layout recycler view and put your views as items of recycler view. Set the Adapter. 2. Context, in. 11 3 3 bronze badges. ViewHolder> {. Mar 22, 2019 · NestedScrollView is just like ScrollView, but in NestedScrollView we can put other scrolling views as child of it, e. 4) Create the Adapter. Too, the plan of recycler sees is getting complex day by day such as Recycler See with numerous see sorts, settled recycler View Test it by assigning a fixed height to your recyclerChild and the view would appear. sid. Code Issues Pull requests Custom RecyclerView with additional functionality. Nov 30, 2021 · In this article, will learn how to create a dynamic RecyclerView. Mar 11, 2017 · EDIT 2: For point 1: You need to flatten out the children so they are in one long continuous list in the adapter. id. THis is late but you could try adding an OnScrollListener it always works for me even when RecyclerView is nested: super. return false; }; Probably the problem is related with the adapter's layout. Implementing a RecyclerView can get confusing, so to makes this easier I have broken things down into 5 easy steps: 1) Add the RecyclerView to an XML file. But if we put RecyclerView inside NestedScrollView, RecyclerView's smooth scrolling is disturbed. application'. setAdapter(adapter); holder. pass the same click handler all the way in and let the innerAdapter directly talk to this. But it should be like this. and make position non final in onBindViewHolder() method; public void onBindViewHolder(@NonNull final myViewHolder holder, int position) Jun 13, 2021 · This question already has an answer here : Bad performance when use RecyclerView inside NestedScrollView (1 answer) Closed 2 years ago. id 'kotlin-kapt'. This results in the Jan 9, 2021 · 1- In XML layout, we need to put the RecyclerView inside NestedScrollView, with `android:layout_height=”wrap_content”`. But when you click the button to add an item, the item update is only possible through the nested recyclerview's setAdapter (), not the notifyDataSetChanged () Nov 27, 2021 · In this tutorial, we will learn how to fetch nested data from firebase real-time DB and how we can show it into nested recycler view i. I am predicting that the change in the nested list is going to look weird when the view is being recycled rather than just updated, because it will animate the change from what was in the view previously, which could be from a different item. Set the content view as the XML activity wherein the main RecyclerView has been implemented, here activity_main. e recycler view inside Sep 21, 2022 · After much time investigating, it appears that NestedScrollView doesn't actually support horizontal scrolling. This is my code for my app : My Main Activity : setContentView(R. Add a comment. Jan 8, 2018 · DiffUtil is a utility class that can calculate the difference between two lists and output a list of update operations that converts the first list into the second one. I want to use 2 RecyclerViews , One first Lists the Cinema Names , and The Second One Comes after clicking on the Movies item Of the first RecyclerView. It uses sticky header and something like Cardview. mEventCat = mEventCat; return mEventCat; return mDescription; this. Updated on Dec 27, 2023. After scroll the nested recyclerview to position 0, focus moved to the left menu. it knows to scroll a vertical recycler inside a horizontal recycler - this is easy to distinguish, because it is not the same scrolling direction. Sep 18, 2021 · It works in this way. ` private void loadJson() { //creating a string request to send request to the url StringRequest stringRequest = new StringRequest(Request. Sep 3, 2020 · Avoid a nested view. check(matches(atPosition(0, hasDescendant(withText("First Element"))))); Share. Rather in your first adapter's bindViewHolder call again recyclerview adapter like:-InnerRecyclerviewAdapter adapter=new InnerRecyclerviewAdapter(context,urlistArray); holder. May 6, 2015 · You can't take recyclerview inside recyclerview tag. OnItemClickListener() {. xml File Go to the app > res > values > strings. However, there is a way to put the recyclerview inside the NestedScrollView indirectly - just use a frameLayout as the third party to hold your recyclerview. I need to pass the focus on the menu on the left. getChildrenByParentId (id: Long). Be sure to put some fixed value or wrap_content on the adapter's layout height. The code Jul 6, 2018 · The question is broad. That is, a list of lists. The problem appears when one of the nested recyclerview is in a different position, then the focus first goes down or up. In Espresso terms, that translates to something like: // Starting from the bottom up, you want to click on the image. com/CodingSTUFF070/Nested-R Mar 19, 2019 · Calling nested recyclerview adapter to get data. Context, java. Before going too deep into this system I had to clarify each item should have been a Class, each of which should have had a RecyclerView assigned. Dec 27, 2021 · In this video we are going to learn how to create nested recycler view in android studioIf you have any questions or queries comment down belowSubscribe the May 29, 2020 · In this tutorial, I will be showing you how to create an AndroidX Nested #Recyclerview like play store in #Android Studio from scratch without using any libr Feb 15, 2020 · 2. Listener() May 21, 2020 · 10. Pass arguments to the RecyclerView. RecyclerView. Here nested stands for a list which contains another list. May 26, 2020 at 9:59. I have a recyclerview and within it I am trying to add a nested recyclerview that contains a list. Jun 29, 2014 · Here is a better and less tightly coupled way to implement an OnClickListener for a RecyclerView. id 'kotlin-android'. 0 Vertical RecyclerView Sep 8, 2017 · Each of the views of the inner RecyclerView is inflated again. May 29, 2015 · 55. Since we are designing a list, the first step will obviously be to implement the UI data model and layout for the list items. addOnItemTouchListener(. Inside this recyclerview is another recyclerview of sets (no. Now define two static values at the Recycler view Adapter class level, for example: private static int TYPE_CALL = 1; private static int TYPE_EMAIL = 2; Now create the view holder with multiple views like this: class CallViewHolder extends RecyclerView. Step 2: Working with the activity_main. setLayoutManager(new LinearLayoutManager(itemView Java; Omega-R / OmegaRecyclerView Star 142. Whenever i tried to scroll up or down it doesn't scroll at all. I designed adding new workout as shown on pic below: In AddWorkoutActivity there is a recyclerview of exercises with ExercisesListAdapter. java java. The nested recycler view is dynamically added for each item when the button is clicked. inner scrollables in tabview sync issue 3. Below is the code for the ItemAdapter class. In particular, if your RecyclerView is in a ScrollView but does not fill the screen, the ScrollView will not scroll (content fits in screen), and you will get the scroll UI in your RecyclerView (end of list effect when trying to scroll for example) even though it will not scroll If the View that was clicked is a View from the Parent RecyclerView adapter, then the ClickReporter class has enough information about what view was clicked, but if the View that was clicked is a View in the Child RecyclerView, then the ClickReporter class doesn't have enough information as it still needs to know which item index from the Dec 21, 2020 · 2. What I want to do is that there might be some info passed to onActivityResult and needs to be passed to the inner adapter2. Recycler detects click and long click. Following are the important tasks to be implemented in the MainActivity. Jun 16, 2017 · The problem is when you inflate recycler view inside a nested scroll view, it start inflating a view for every item, so if you have 500 items in your recycler adapter then it will create 500 item layout which causes the sudden unresponsiveness, what I did is removed the nested scroll layout, haven't found any solution that can make nested scroll view work with recycler view in case of large Mar 24, 2021 · Step 4: Create a new layout file and name it as single_item. Here is what I am trying to make: This is the closest solution I could find on stack overflow but they use headers instead of left-aligned titles that wrap all other nested views. Jul 27, 2016 · I want to use same listview or gridview or nested recyclerview but I do not know how to implement this. Nesting reduces RecyclerView performance. Recycling the recyclers. You have 3 views in your item view - white background with margins (linearlayout?), right textView, and left textview. data = data; } @Override public RecyclerView. We should use this method if the height of all the items is equal. The problem I encounter is that I cannot find a way to correctly notify the child (inner) recycler view when a CRUD, in particular a delete, occurs. Nov 5, 2016 · Nested RecyclerView not getting focus. update( j, newCartItem); } Please note that I wrote it without the project. Take any example of recyclerview and do exercise. May 25, 2021 · And that action it to click an image. Jul 6, 2015 · overwrite calculateSpeedPerPixel work for me, the default will make recycler view like jumping when calling smoothScrollToPosition (position), but when overwrite this method and return 0. for getting the data of the onclick you can make interface or can use the library called eventbus to know which item is clicked. Star 570. By checking the type of the current element it knows whether it is a read-only header or a normal element with special on-click functions. I have a recycler view inside nested scroll view. xml file and refer to the following code. Adapter<RecyclerView. android. Code. Dec 14, 2018 at 7:51. Jul 21, 2018 · 'TransactionsAdapter(android. gradle file for the app module. So I tried to have a child view in a nestedscrollview. inside of this Adapter, I have another RecyclerView and another Adapter (adapter2). xml file to display those strings in the activity_main. So to bring back smooth scrolling there's trick: ViewCompat. When there is too much data in recycler view, the scroll gets lagged. In This Video, I am gonna show you how to create nested RecyclerView within Expandable RecyclerView. kt and add the following code: data class CharacterInfo(. Nov 22, 2019 · Now you have a few choices: 1. Create a recyclerview in the main. Comments are added inside the code for a better understanding of the Code. Oct 14, 2017 · 1 Answer. id 'kotlin-android-extensions'. I am implementing a Nested Recycler View. g. In our example project, we’ll add a RecyclerView to display a list of CardViews that contains Android Version Names and Numbers along with a sample logo. flutter nestedscrollview pinned-sliver-headers tabview-sync-issue. Dec 14, 2022 · recyclerView. and without any scrolling or screen touch. So there might be some minor errors. The nested one in the CardView is not getting focus, so I can't scroll it. please help me. public class MainActivity extends AppCompatActivity { private List<Model> mModelList; private RecyclerView mRecyclerView; private RecyclerView . I have Recyclerview which is under Coordinatorlayout > NestedScrollview > ViewPager and ViewPager has 3 fragment, one has image gallery which is working with the help of Recyclerview. 2 of a support library version 23. util. Nested Expandable RecyclerView is a simple and light weight demonstration to achieve nested (multi-level) and expandable/collapsable recyclerview in android. 0 Nested RecyclerView with same Objects. Oct 2, 2018 · A recyclerview adapter for those items: The fields "name" and "image" that you are trying to parse are nested in a JSON object "show". GET, myUrl, new Response. We can fix this by setting a single view pool for all the inner RecyclerViews. InsideRecyclerHolder> { private final Context mContext; private final String mText; private final ArrayList<MainViewArrayListMasterList> mDataArrayList; private FragmentManager mFragmentManager; OuterRecyclerAdapter(Context Aug 15, 2020 · ChildAdapter ithChildAdapter = (ChildAdapter) ithChildsRecyclerView. So the data hierarchy that the recyclerview Mar 31, 2023 · Step 7: Complete the MainActivity. This list will be heterogeneous, meaning it will contain a UI ranging from grid and nested horizontal lists, among other things. By Android Support Library 23. java Oct 25, 2015 · So put RecyclerView inside NestedScrollView directly will unfortunately display nothing. When swipe is made to less than half of maximum size panel will collapse. List)' in 'in. So you'll need to recursively go down each message and add the children to the Adapter's list. us hd cz sw ye pe el uw wb ie