recycler-adapter

问题 Iam using Recyclerview and update it by notifyItemChanged() recyclerView using linearlayoutmanager when data updated from socket i update recycler by adapter notifyItemChanged() socket send many data per second that mean i call adapter many times per second its working but when update it more times gives this error Exception java.lang.IllegalStateException: Already in the pool! android.support.v7.widget.AdapterHelper.recycleUpdateOp (AdapterHelper.java:742) android.support.v7.widget

问题 I am using RecyclerView to display the list of rows, each row has a buy button. when the user buys an element, the method notifydatasetchanged() is called and the buy button has to change the background color for example to red. Important, The user have to buys only one element, and I have a thread that runs every 5 seconds looking for new answers, if there is a new answer, it is added to the list and scroll to last position. My problem is when I have the list of buttons and only one is red

问题 I am making a chat app in which I have groups. The admin chooses who are there and others can't see it. I can hide it. but the one below is showing the one above it. thus I decided to delete it from the recycler view. but I don't want to delete it from firebase because the group should be visible to others who are in the group. I have googled and searched StackOverflow, no one had seemed to come across my issue. tried other sorts of stuff but nothing worked out. Is there any way I can remove

问题 I Have one json array in array list i need show one object as count and one as text view, while going to filter the object i'm not able to find count view and display view, i search for hash map but its does not work, my question i can i add two array list in one recyclerview adapter one for view and one for count in same view. Edit: after researching about that i come to know i need to hide object if it is a match with id but i could not found to display and hide content base on condition in

问题 I need to finish an Activity & Reopen another Activity whenever a Recyclerview onclick is done. I have Implemented onclick on the Recyclerview successfully. But I can't recreate another Activity in my Adapter. How can i solve this Issue ? public class ThemeAdapter extends RecyclerView.Adapter<ThemeAdapter.MyVH> { private final LayoutInflater inflater; private List<Theme> ThemeList; public ThemeAdapter(Context context, List<Theme> ThemeList){ inflater = LayoutInflater.from(context); this

问题 I have a problem with my recyclerViev , specifically with the scrolling. I have some list, which is updated in real time, some item is added, some removed, and everything is sorted by some parameter. So the item which was initially first on the list, can have its parameter changed, which will be in different position after the sorting. So my recyclerView is for example focusing on the initial item, and after change, when some item has "better" parameter is changing position with that initial

问题 In my project requirement is as there are list of items are showing in Activity & i'm showing dates price with in list, what i want user will select date, the date color will change and when tap on cart item should be added to card. Problem : I am not able to get child recyclerView position inside parent recyclerView onBindViewHolder . Is there any way to get position of child row (dates row) inside parent reyclerview. Below is the image , showing with three lists and in every list there are

问题 I have a 'Fragment' which has a vertical RecyclerView , inside every item of the RecyclerView there is a horizontal RecyclerView with an add button. On clicking the Add button startActivityOnResult is called. The values on the onActivityResult have to update the horizontal RecyclerView in the particular view where I clicked add button. I have achieved almost everything but what's happening is when I update the horizontal RecyclerView , all the vertical view items horizontal RecyclerView is

问题 I am developing an app for displaying images and text. When clicking on the item it goes to another fragment. The listing showing is correct but when I click on the item it does not go to fragment. I am using recycler adapter to listing the items. The code is shown below. public class MyRecyclerAdapter extends RecyclerView.Adapter < MyRecyclerAdapter.MyViewHolder > { String categoryId; private List < NewsFeeds > feedsList; private Context context; private LayoutInflater inflater; public

问题 I have a RecyclerView list of CardViews. New CardViews are inserted at the top of the list. If the View is currently at the bottom of the CardView list and I click my "Add" button to create a new CardView, I want the RecyclerView to then show the new CardView at the top of the list. Currently, when the new CardView is created the RecyclerView just returns to the previous View at the bottom of the list. I've tried many things, without any luck, including: recyclerView.getLayoutManager()