recycler-adapter

问题 I have a recycler view within a fragment and basically I m trying to load song list in the recycler view .Each row of recycler view contains an imageview (for album art) and textview ( for song name). I am having trouble when the size of the dataset is huge, that is when there are too many songs, the recycler view lags and the app ends up giving an ANR.I am using Glide to load album arts in each row's imageview. How is google music player able to show such large number of songs without any

问题 I used a callback methods I was guided to use in a previous question. It doesn't seem to work. The onClick() method is not called. callback methods seem to be a very broad concept. I don't know how to narrow the search in order to get relevant information, or how to find what is wrong with the code I got. ListActivity - the Adapter is initialized and a click listener is set here public class ListActivity extends AppCompatActivity implements ListAdapter.ItemClickListener { ArrayList<Country>

问题 Here I clicked on the item to change item background and color. I've stored the clicked item value in the database and change the layout color and text color and recreating the adapter and showing the list again while refreshing. But layout colors not changed when I get its position. Please show the right path to handle the set of background item color always. public class LoadVehicleTypeAdapter extends RecyclerView.Adapter<LoadVehicleTypeAdapter.CarTypesHolder> { private List

问题 I'll use RecyclerView And I've more than 10 items in the list And I Have to change a text color and background layout on a single click of the item and else all the item color not change. Please suggest me the right way to solve this issue. I'll try to change the color in BindViewHolder, ViewHolder and Adapter click item but I'm Successful to change the color but unsuccessful to change the color back. public class LoadVehicleTypeAdapter extends RecyclerView.Adapter<LoadVehicleTypeAdapter

问题 I have integrated item is highlighted in the first launch of the app in my project. I'll use to save the selected item on the click of the adapter in the SQL database and set the value in the first launch of the app, but it does not change the background and text color. please help me in solving the issue and suggest me the right way public class LoadVehicleTypeAdapter extends RecyclerView.Adapter<LoadVehicleTypeAdapter.CarTypesHolder> { private List<TaxiTypeResponse.Message>

问题 I have created a RecyclerView with Cards as its primary viewtype. What I am trying to achieve is that when user clicks on a item the ViewType of that item is changed from cards to another Viewtype(for example a list textviews placed horizontally scrollable). My code for RecyclerView Adapter is as follows : In the below piece of code I have created a arrraylist of enum types to keep track of the clicked state of each row in recyclerview, then I got the size of my dataset and initialized my

问题 I have created a RecyclerView with Cards as its primary viewtype. What I am trying to achieve is that when user clicks on a item the ViewType of that item is changed from cards to another Viewtype(for example a list textviews placed horizontally scrollable). My code for RecyclerView Adapter is as follows : In the below piece of code I have created a arrraylist of enum types to keep track of the clicked state of each row in recyclerview, then I got the size of my dataset and initialized my

问题 I have a recycler view and I want to perform click on one of its items. Here is my code: mRecyclerView.findViewHolderForAdapterPosition(2).itemView.performClick(); It works fine when the item is visible, but when it is not visible i'm getting a null pointer exception also i tried scroll to position before perform click but i got same result Any idea on how to solve this issue? 回答1: I have solved my problem with this code mRecyclerView.getLayoutManager().scrollToPosition(17); search_list

问题 I want to know how to get position of Edit Text from Recycler View adapter.I used Card View with in that horizontal Linear Layout has three view TextView,EditText view and TextView. I want to get particular EditText Position from Textwatcher in Recycler View Adapter. Adapter: public class CartlistAdapter extends RecyclerView.Adapter < CartlistAdapter.ViewHolder > { private ArrayList < CartItemoriginal > cartlistadp; private ArrayList < Cartitemoringinaltwo > cartlistadp2; DisplayImageOptions

问题 The Items in my recycler view are overlapping when user scrolls. Notice the overlapping text at the bottom: Here is the code generating this view: ArrayList<Bitmap> drawables = mBitmaps; RecyclerView recyclerView = new RecyclerView(ctx); LinearLayoutManager llm = new LinearLayoutManager(ctx); recyclerView.setLayoutManager(llm); RecyclerView.Adapter adapter = new MyRecyclerAdapter(contentList, uriList, drawables); recyclerView.setAdapter(adapter); ((ViewGroup) rootView).addView(recyclerView);