recycler-adapter

问题 I am implementing endless recycler view . Data is getting fine from server aslo scroll down getting down and show it. But on scroll it automatically comes to top again and again. I implemented number of solutions but doesn't work. here is bit of code. private int postNo = 15; public void onScrolled(RecyclerView recyclerView, int dx, int dy) { super.onScrolled(recyclerView, dx, dy); if (!lastTime) { if (dy > 0) { // check for scroll down visibleItemCount = layoutManager.getChildCount();

问题 I am a fledgling Android developer and I have managed to put together a RecyclerView. Using volley to parse json data containing blog posts, and using CardViews to populate the RecyclerView; I am getting this error "No adapter attched; skipping layout" when I run it on my device. Please note I have checked this question recyclerview No adapter attached; skipping layout but it didn't help. This part of the MainActivity.java //Creating Views private RecyclerView recyclerView; private

问题 As title describes, i need to enter the activity the first time to a blank screen. I then need to exit the activity by pressing back and re-enter the activity again to be able to see the recycler view. Fortunately, when the recycler view populates, everything is in order and it shows exactly how I want it to be shown on screen. This is my activity class: @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.hosting_trip);

问题 As title describes, i need to enter the activity the first time to a blank screen. I then need to exit the activity by pressing back and re-enter the activity again to be able to see the recycler view. Fortunately, when the recycler view populates, everything is in order and it shows exactly how I want it to be shown on screen. This is my activity class: @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.hosting_trip);

问题 I was trying to add & show messages dynamically in recycler view but I could not figure out how to send proper data type to it's adapter. In "getNewMessage(dataSnapshot) " function, I have to add all messages to list and send it to recycler view via adapter. I tried both MessageModel model = dataSnapshot.getValue(MessageModel.class) and creating a SampleModel that contains List<MessageModel> list , and SampleModel model = dataSnapshot.getValue(SampleModel.class); They didn't work. Here sample

问题 I have a recyclerview which shows several(8) cardviews. Inside each cardview, there are several elements like text, imagebutton,etc. Inside the Adapter class (RvAdapter extends RecyclerView.Adapter) I have a code as below. What I want to do is change the color of Vector (.xml) assigned to the imagebutton using the OnClickListener of the same button. public RvAdapter(Context context,List<Person> persons) { this.mContext=context; this.persons=persons; } @Override public ViewHolder

问题 What I've done: I have a viewpager with 4 fragments which inflate the same layout containing a RecyclerView. I've built a single Adapter for all of the fragments. When I click an item it loads data and appends the data to a List and set the new data to the adapter. Problem: the problem is when I change the data of particular recyclerview of a particular fragment the changes take effect on all the recyclerviews. 来源： https://stackoverflow.com/questions/28472702/using-a-single-recyclerview

问题 I have recyclerview in that I want to change item's position dynamically to top after selecting the item of recyclerview . Please suggest best way to achieve the above problem? 回答1: You need to swap selected item with top item in list, then notify your adapter about position change. A sample code would look like: Collections.swap(orderItems.getItems(), position, 0); notifyItemMoved(position, 0); Hope it helps! 回答2: Try this String Item = List.get(position); List.remove(position); // remove

问题 So I have a recyclerview list of card views.I am trying to update the text time text in each view when the user clicks the card, and then reset it back when time has past. I set up an internal method in recyclerviewadapter but when I call updateTimes (calling from fragment), it does not reset the text back. Can someone instruct me on what I'm doing wrong? import java.util.ArrayList; import android.support.v7.widget.RecyclerView; import android.util.Log; import android.net.Uri; import android

问题 I need to share an image from my RecyclerAdapter because the image does not initially exist, i.e. is loaded within the Activity making use of the adapter. How can I share the bitmap to social media? Every time I click share in my app it says "No apps can perform this action". feedItemView.setFeedSocialShareClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // Share to Social Media ImageView imageView = (ImageView) feedItemView.findViewById(R.id.image); Drawable