带有 Firebase RecyclerView 的 Android 搜索 View 不显示数据

Question

我可以通过 RecyclerView 将数据从 Firebase 检索到 App。但是，当我尝试添加搜索 View 时，它不起作用。

 @Override
 public boolean onCreateOptionsMenu(Menu menu) {

   getMenuInflater().inflate(R.menu.menu_search, menu);
    final SearchView searchView =(SearchView) MenuItemCompat.getActionView(menu.findItem(R.id.menusearch));
    SearchManager searchManager =(SearchManager) getSystemService(SEARCH_SERVICE);        searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName());
    //searchView.setSubmitButtonEnabled(true);

    searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
       @Override
       public boolean onQueryTextSubmit(String query) {
           return false;
       }

       @Override
       public boolean onQueryTextChange(String newText) {
          //SearchText.setText(newText);
           Query Q = mDatabase.child("Recipees").orderByChild("cusine").startAt(newText).endAt("");
           FirebaseRecyclerAdapter<ImageRetrieve, BlogViewHolder> firebaseRecyclerAdapter = new FirebaseRecyclerAdapter<ImageRetrieve, BlogViewHolder>(

                   ImageRetrieve.class,
                   R.layout.recipe_row,
                   BlogViewHolder.class,
                   Q

           ) {
               @Override
               protected void populateViewHolder(BlogViewHolder viewHolder, ImageRetrieve model, int position) {

                   viewHolder.setCusine(model.getCusine());
                   viewHolder.setCatagory(model.getCatagory());
                   viewHolder.setRecipe(model.getRecipe());
                   viewHolder.setUrl(getApplicationContext(), model.getUrl());

               }
           };

           mRecipeList.setAdapter(firebaseRecyclerAdapter);



           return false;
       }


   });
   return true;
   }

Answer 1

试试这个可能会有帮助:

Query Q = mDatabase.child("Recipees").orderByChild("cusine").startAt(newText).endAt(newText+"\uf8ff");