android-viewholder

问题 I want to auto scroll a list item to top (firstVisible item) in my recycler view and get the view at that position, so I can highlight it, from my fragment. So, this is the gist of my fragment code : private void activateNewListItem(int position) { mLayoutManager().scrollToPositionWithOffset(position, 0); RecyclerView.ViewHolder viewHolder = mRecyclerView.findViewHolderForLayoutPosition(position); View view = viewHolder.getItemView(); view.setBackgroundColor(getResources().getColor(R.color

问题 In a Fragment I have a list of items construct with RecyclerView (adapter and viewholder). Each item of the list is linked with a estimote beacon. So i want to highlight the item view (setAlpha or add a imageView) when the beacon is detected. The beacon detection is in the fragment file : beaconManager.setRangingListener(new BeaconManager.RangingListener() { @Override public void onBeaconsDiscovered(Region region, List<Beacon> list) { if (!list.isEmpty()) { Beacon nearestBeacon = list.get(0);

问题 i am use a class by below code for gridview. how i can smooth my gridview scrolling by viewholder or other method? i want just my scrolling gridview performance very smoothly. i use this gridview for show images and names and by click on eacj item open another activity for detail about. import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android

问题 I want to create an interface between an adapter and a view holder (this view holder is an inner class of another adapter) so that I can update the text view (number). How can I do this? In detail: I have two recycle views (Main List Recycler View and Sub List Recycler View horizontally placed as shown in the fig) one having a number (as one of its item) and other having checkbox (as its item). I have two adapters FilterMainListAdapter and FilterSubListAdapter with view holders

问题 Simple shopping list app. ListView (TextView + CheckBox with custom adapter. Tried to implement viewHolder pattern and completely lost. Am i right? Check my code. And also how to save checkbox state? I created massive, but dunno how to implement (Uncheck while scrolling bug). ADAPTER: public class ShopAdapter extends BaseAdapter { private Context mainContex; private ArrayList<ShopItem> shopItems; boolean[] checkBoxState = new boolean[shopItems.size()]; static class ViewHolder { CheckBox

问题 I am getting response from server and display it in listview,but how to get position in baseadapter,,i have one imageview in listitem and i want to get userid as per selection,right now i am getting 6 last id in everylistitem when i click on imageview this is my response { "searchresult": [ { "user_id": "5", }, { "user_id": "6", } ] } MY adapter public class CustomAdapterAccept extends BaseAdapter{ private Context context; private ArrayList<HashMap<String,String>> listData; private AQuery

问题 I have created an Adapter and ViewHolder for the recyclerView. I bind the imageButton of the itemView inside the Viewholder. And have set an onClickListener inside the onBindViewHolder. Everything works as expected but the issue is now when i scroll down the list the selected state of the imageButton changes for the selected item and some of the items on the bottom of the list already appear selected. Here is the some code public class ListViewHolder extends RecyclerView.ViewHolder { TextView

问题 I am using RecyclerView custum adapter where data is fetching from getter and setter method and there is a one issue with superHero.getStatus() i.e if there is "deleted" on that position then all the view visibility will be View.GONE otherwise all views will be show on that item. Sometime it's not working as below code condition. And another issue is when I click on button then it's effects on another views. Please check below code. And tell me what should I do for improve it. Should I used

问题 I think there is no need to repeat the exact description of how my RecyclerView is set. This is described here: Android - RecyclerView with various dynamic content, different for each item In short, my Recycler View may contain various controls, like edit text, spinner, etc. Then, recyclerview is placed in Activity layout, always expanded with nested scroll view as its parent. When user hit "Confirm" button in my activity, recycler view's content should be validated - for example, if any

问题 this is my QuestionHolder : private class QuestionHolder extends RecyclerView.ViewHolder implements View.OnClickListener { private JSONObject question; private CheckBox checkBox; private TextView question_txt; public QuestionHolder(final LayoutInflater inflater, ViewGroup parent) { super(inflater.inflate(R.layout.question_item, parent, false)); checkBox = (CheckBox) itemView.findViewById(R.id.question_checkbox); checkBox.setOnClickListener(new View.OnClickListener() { @Override public void