recycler-adapter

问题 Hi I just set up this RecyclerView and can't find what's wrong. Thanks in advance. I'm sure the RecyclerView is showing up though their is a faint shade on the main activity screen where I can pull down and pull up. I think the problem may revolve around this part of my line activity: getSupportActionBar().setTitle(null); recyclerView = (RecyclerView) findViewById(R.id.line_list); adapter=new MyAdapter(getApplicationContext(),getData()); recyclerView.setAdapter(adapter); recyclerView

问题 Hi I just set up this RecyclerView and can't find what's wrong. Thanks in advance. I'm sure the RecyclerView is showing up though their is a faint shade on the main activity screen where I can pull down and pull up. I think the problem may revolve around this part of my line activity: getSupportActionBar().setTitle(null); recyclerView = (RecyclerView) findViewById(R.id.line_list); adapter=new MyAdapter(getApplicationContext(),getData()); recyclerView.setAdapter(adapter); recyclerView

问题 In my app right now I am working with two lists. One is a List of an Object and the other the a List of Lists of the same object. I have a method in my Activity that transforms a list of Object into a List of Lists of object. And to my adapter I am passing the list of lists through this call: mAdapter.swap(transformList(pipe.mList)); The method swap is responsible for passing the transformed list to my Adapter: public void swap(List<List<Feed>> feedList) { if (finallist == null) { finallist =

问题 private DisplayImageOptions options; @Override public TaskViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.task, parent, false); options = new DisplayImageOptions.Builder() .cacheInMemory(true) .cacheOnDisk(true) .considerExifParams(true) .postProcessor(new BitmapProcessor() { @Override public Bitmap process(Bitmap bitmap) { return Bitmap.createScaledBitmap(bitmap,200,200,false); } }) .build(); TaskViewHolder

问题 recyclerview comes with its own scroll listener having below methods : void onScrollStateChanged(RecyclerView recyclerView, int newState) Callback method to be invoked when RecyclerView's scroll state changes. void onScrolled(RecyclerView recyclerView, int dx, int dy) Callback method to be invoked when the RecyclerView has been scrolled. Is there any way to trigger loader to load more data when scroll reaches end of the list? I have implemented this way: @Override public void onBindViewHolder

问题 I want to display a Recipe photo from my SQL Database into my RecyclerView. I declared as String the photo variable in my Recipe class: public class Recipe { private String title; private String photo; private String instructions; private int targetPeople; private int time; public Recipe(String title, String photo, String instructions, int targetPeople, int time) { this.title = title; this.photo = photo; this.instructions = instructions; this.targetPeople = targetPeople; this.time = time; }

问题 I am trying to create Generic Adapter in Android. I am succeeded in creating to the given level where I have to extend RecyclerBaseAdapter import kotlinx.android.synthetic.main.activity_animal_list.* class SubjectListActivity : AppCompatActivity() { var subjects = mutableListOf<SubjectBO>() val database = FirebaseDatabase.getInstance() lateinit var subjectAdapter: SubjectAdapter override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout

问题 I have in my MainActivity 3 RecyclerViews . One of them in a bottom sheet and it is the main one (By Default the Bottom sheet is Open To Display this one ), in its adapter's onbind method I made an onClickListener so that I want when the user clicks on an item in it, I want to go back to the main activity class to set To Start a method which it's rolled is to close the Bottom Sheet and set the data for the next recycling view (which will appear when the Bottom Sheet is closed) ..... The issue

问题 Hi so I have one Firebase FirebaseRecyclerAdapter and in my Firebase project in my database I have over 30 values and in my app I want to display only the first x items. I searched on internet but I didn't find how I could load only x items. This is my code: mAdapter = new FirebaseRecyclerAdapter<Post, Holder>( Post.class, R.layout.item_layout, Holder.class, mRef ){ @Override public void onBindViewHolder(Holder viewHolder, int position) { Post post = (Post) this.getItem(position); ((Holder)

问题 I need an Activity with an expandable RecyclerView like the one in this picture: So I am using this third party library project . That part works. The problem arose when I did what I am describing in the next two paragraphs: My next requirement is that I want different child-rows for different parent-rows. I am reproducing (if that's the right word) this example to create multiple child-viewholders. Description of Example: The idea is basically to have the different Child-viewholders