android-recyclerview

问题 I have a RecyclerView and FirebaseRecyclerAdapter with items. Each item has reference to some files in Firebase storage. each item has download button. I use storageReference.getFile(location) to download files from firebase storage. When I click on download button and wait for the download to finish, the checked icon (green icon) is showing correctly at specific position. My problem is when I download multiple items at same time (when I click on multiple items), the green icon is not

问题 findLastVisibleItemPosition returns -1 with the following sequence: onViewCreated() { recyclerView.setAdapter(adapter = new Adapter()); adapter.updateContent(List<Content>); // will call notifyItemRangeChanged post(new Runnable() { run() { layoutManager.getLastVisibleItem(); // == -1 (using runnable or not) } } } It seems that the children views are not ready yet. Using a tree observer on the RecyclerView seems to solve the problem, but what would be the best approach to get the last visible

问题 When the user presses the FAB a cardview is added to the recyclerview. Inside each cardview is a checkbox. I want to make it so when the user ticks the checkbox in a specific cardview, that specific cardview is deleted. (FYI each cardview has a spinner and checkbox and a textview and edittext) I pressed the fab 4 times to add 4 cardviews to my screen. i then picked different things from the spinner to see what was happening. When I tick the checkbox, that cardviewdeletes. I ticked the

问题 I try to implement load more when scroll to bottom of recyclerView It's work when my XML only have recyclerView but when i put it to scrollview and setNestedScrollingEnabled(false) it doesn't work " Requirement " - The orange area is static layout - The green area is dynamic items and when i scoll to bottom orange area must be scroll down too mAdapter = new RecyclerViewCommentAdapter(commentList, userInformationList); mRecyclerViewComment = (RecyclerView) rootView.findViewById(R.id

问题 I'm working on Recyclerview, and I want to set an image to center imageview from Recyclerview's selected item Error : You must pass in a non null View here I'm trying to set an image to imageview located in activity_set_back.xml from Onclick method of Recyclerview's I have: moviesList(ArrayList) that hold all URL and I'm getting position on click only thing I need to do is set that image to img_back(Imageview) Shown in this code MoviesAdapter.class this is my adapter public class

问题 i am creating chatting layout using android recycler view activity_main <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="ch.uffapp.recyclerview.MainActivity"> <android.support.v7.widget.RecyclerView android:id="@+id/recycler_view" android:layout_width="match_parent" android:layout_height="match

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 When I add in List<OrderList> any item in loadOrdersData() , it throws this: D/ViewGroup: addInArray been called, this = android.support.v7.widget.RecyclerView {41cab8f0 VFED.... .F....ID 0,0-480,770 #7f0c0073 app:id/rv}call stack = java.lang.Throwable: addInArray at android.view.ViewGroup.addInArray(ViewGroup.java:3786) at android.view.ViewGroup.addViewInner(ViewGroup.java:3740) at android.view.ViewGroup.addView(ViewGroup.java:3564) at android.view.ViewGroup.addView(ViewGroup.java:3509) at

问题 I've made Image slider with the help of recyclerView and SnapHelper . I have also added next, prev imageView under the recyclerView. I want to implement them to work as next,prev. Their id are next, prev respectively. This is activity where imageSlider is shown: public class RajeshDaiActivity extends AppCompatActivity implements RajeshDaiAdapter.OnNoteListener { public RecyclerView recyclerView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);

问题 Hi there my app is not showing ads in Android recycler view I want to show the ads at the bottom of my app but it is not displaying them I don't want to show native ads I only want to show a single banner at the bottom. It is a dictionary app which uses Sqlite database to load data native ads will not suit it. Can u please help here is my code. Main activity.java mAdView = (AdView) findViewById(R.id.adView); mAdView.setAdListener(new AdListener() { @Override public void onAdLoaded() { Toast