listadapter Questions

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Just FYI, I'm not exactly looking for a 'fix' but for an explanation and a discussion that might help understand a little bit more how seemingly silly things like these work. I was working on this ...

1

How do I copy the existing ListAdapter list so that it can be used to move items and then update the UI by comparing the new, copied list to the original list? Perhaps the Android devs only thought...
Laraelaraine asked 1/8, 2023 at 1:16

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I tried with passing context of activity into the adapter and then i tried context.finish(); But its giving me one error like The method finish() is undefined for the type Context
Jeopardize asked 31/10, 2011 at 9:37

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I have an issue with my RecyclerView and ListAdapter. Through an API, I receive items in a ascending order from older to newer. My list is then being refreshed by calling the submitList(items) me...
Stamp asked 11/11, 2018 at 12:24

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I have a list that gets updated from a Room Database. I receive the updated data from Room as a new list and I then pass it to ListAdapter's submitList to get animations for the changes. list.obser...
Ked asked 20/7, 2021 at 6:59

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I'm using the new support library ListAdapter. Here's my code for the adapter class ArtistsAdapter : ListAdapter<Artist, ArtistsAdapter.ViewHolder>(ArtistsDiff()) { override fun onCreateVie...
Ticking asked 9/4, 2018 at 5:55

3

I'm trying to implement a filter for my RecyclerView. I use data-binding and my adapter is a ListAdapter subclass as shown below class BookAdapter(private val clickListener: ClickHandler) : ListA...
Hotchpotch asked 10/10, 2019 at 9:6

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List Adapter diffutil not updating the list item in recyclerview. It works when I add or remove a item from the list. But not updating the any particular value like isSelected : Boolean = false in ...

3

I am using new ListAdapter, which automatically animates changes. I would like to disable animations or enable/disable it programmatically. class UserAdapter extends ListAdapter<User, UserView...
Castalia asked 5/11, 2018 at 8:51

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my RecyclerView do not call onCreateViewHolder, onBindViewHolder, therefore, does not appear nothing in recyclerview. I put logs for debugging, and no log is shown. What can be? My adapter: publ...
Lumper asked 23/1, 2015 at 17:36

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While using a ListAdapter I noticed that after updating an item the DiffUtil.ItemCallback areContentsTheSame() method was always returning true. Debugging the code I realized that the old and the n...
Fairbanks asked 10/9, 2019 at 18:3

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so i'm following a guide online to make a room db. In the adapter section i followed his way of doing it but when i did it, i keep having the "No Type Argument expected for Interface ListAdapter". ...
Dieldrin asked 2/4, 2018 at 19:43

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I was following this tutorial and tried to use multiple ViewHolders. An example use case would be a messaging app where the recyclerview has to display a sent message and a receiving message with d...
Sevastopol asked 26/2, 2021 at 1:56

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I would use a SearchView to filter my RecyclerView, on stackoverflow and other sites i've found just examples of using Filterable with Java and with RecyclerView.Adapter while i'm using ListAdapter...
Ioab asked 29/1, 2021 at 7:45

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I have a RecyclerView recyclerView which is linked to a ListAdapter adapter. The 'list' gets new data from Firebase database and the 'list' gets sorted based on certain object properties. I then ca...
Forge asked 11/12, 2018 at 19:42

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When i try to set the adapter to my ExpendableListView it expects ListAdapter but i want to use a custom ExpandableListAdapter which extends BaseExpandableListAdapter This is my ExpandableListView:...

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I got the following warning: Custom view com/example/view/adapter/SomeAdapter is missing constructor used by tools: (Context) or (Context,AttributeSet) or (Context,AttributeSet,int) in my cl...
Concertante asked 12/6, 2013 at 10:22

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I've got a ListView with a custom BaseAdapter. The list items contain CheckBoxes that need to represent a property from a database. I use CheckBox.setOnCheckedChangeListener with a new OnCheckedCh...
Rogerrogerio asked 3/5, 2010 at 9:26

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is there anyway posible to get the list of items inside my listadapter, cause the only method to access the list is submitList()
Parterre asked 9/4, 2019 at 23:33

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recently I've found strange crashes in my app. I've found out that they are caused by ListAdapter -> DiffUtil underneath. Contract says that areContentsTheSame callback will be called only if areIt...

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I think there must be a bug with the 27.1.0 v7 support lib, just released. After updating my project to use it (from 26.1.0), I keep getting this compilation error: Task :app:transformDexArchive...

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I am using Espresso to test a list view that appears when I am searching for an item (like an autocomplete). The list view does not appear until the user has typed in something into the SearchView....

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I am wondering how I should implement a ListAdapter that loads its views asynchronously into a ListView? I want to do this because I am populating the list with information from my database, which ...
Sikata asked 11/5, 2011 at 17:7

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I have a RecyclerView to display list data but after Scrolling up and down, a image load from url using Volley disappear and appear again. I know that the list will recycle item after read this How...
Hautbois asked 24/4, 2016 at 4:17

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Just a basic question: If I have several dozen EditText fields that are part of a ListAdapter, how can the individual EditText fields know to which row they belong? Currently I am using TextWatche...
Marathon asked 13/11, 2011 at 23:54

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