Android FirebaseRecyclerAdapter在SearchView OnQuerySubmit()之后未更新其值
我一直在尝试从Android FirebaseRecyclerAdapter在SearchView OnQuerySubmit()之后未更新其值,android,firebase,android-recyclerview,google-cloud-firestore,Android,Firebase,Android Recyclerview,Google Cloud Firestore,我一直在尝试从SeacrchViewonquerytexsubmit()更新FirestoreRecyclerAdapter。它显示了按下submit后一个空白的Recycler适配器,但显然在加载片段时起作用。请先看一下代码 适配器 public class SpeciesDatabaseAdapter extends FirestoreRecyclerAdapter<SpeciesDatabase, SpeciesDatabaseAdapter.SpeciesDatabaseHolde
SeacrchView
onquerytexsubmit()
更新FirestoreRecyclerAdapter。它显示了按下submit后一个空白的Recycler适配器,但显然在加载片段时起作用。请先看一下代码
适配器
public class SpeciesDatabaseAdapter extends FirestoreRecyclerAdapter<SpeciesDatabase, SpeciesDatabaseAdapter.SpeciesDatabaseHolder> {
public SpeciesDatabaseAdapter(@NonNull FirestoreRecyclerOptions<SpeciesDatabase> options) {
super(options);
}
@Override
protected void onBindViewHolder(@NonNull SpeciesDatabaseHolder holder, int position, @NonNull SpeciesDatabase model) {
Picasso.get()
.load(model.getImageone())
.placeholder(R.drawable.smile_monk)
.fit()
.centerCrop()
.into(holder.imageView);
holder.commonName.setText(model.getCommonName());
holder.scientificName.setText(model.getScientificName());
}
@NonNull
@Override
public SpeciesDatabaseHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.admin_species_item,
parent, false);
return new SpeciesDatabaseHolder(v);
}
public class SpeciesDatabaseHolder extends RecyclerView.ViewHolder {
ImageView imageView;
TextView commonName;
TextView scientificName;
public SpeciesDatabaseHolder(@NonNull View itemView) {
super(itemView);
imageView = itemView.findViewById(R.id.imageSpecies);
commonName = itemView.findViewById(R.id.textCommonName);
scientificName = itemView.findViewById(R.id.textScientificName);
}
}
}
公共类SpeciesDatabaseAdapter扩展FirestoreRecyclerAdapter{
public SpeciesDatabaseAdapter(@NonNull FirestoreRecyclerOptions选项){
超级(期权);
}
@凌驾
受保护的无效onBindViewHolder(@NonNull SpeciesDatabaseHolder,int位置,@NonNull SpeciesDatabase模型){
毕加索
.load(model.getImageone())
.占位符(R.drawable.smile\u monk)
.fit()
.centerCrop()
.插入(支架.图像视图);
holder.commonName.setText(model.getCommonName());
holder.scientificName.setText(model.getScientificName());
}
@非空
@凌驾
public SpeciesDatabaseHolder onCreateViewHolder(@NonNull ViewGroup父级,int-viewType){
视图v=LayoutInflater.from(parent.getContext()).flate(R.layout.admin\u项目,
父母,假);
返回新的规格数据库持有者(v);
}
公共类SpeciesDatabaseHolder扩展了RecyclerView.ViewHolder{
图像视图图像视图;
文本视图公共名称;
TextView科学名称;
public SpeciesDatabaseHolder(@NonNull View itemView){
超级(项目视图);
imageView=itemView.findViewById(R.id.imageSpecies);
commonName=itemView.findViewById(R.id.textCommonName);
scientificName=itemView.findViewById(R.id.textScientificName);
}
}
}
碎片活动
public class AdminSpeciesDatabaseFragment extends Fragment {
AdminUtility adminUtility = new AdminUtility();
private FirebaseFirestore db = FirebaseFirestore.getInstance();
private CollectionReference speciesRef = db.collection("species");
private SpeciesDatabaseAdapter adapter;
FloatingActionButton actionButton;
//EditText search;
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.admin_species, container, false);
init(view);
setUpRecyclerView(view, "");
setHasOptionsMenu(true);
return view;
}
private void setUpRecyclerView(View view, String data) {
if (data.equals("")) {
Query query = speciesRef.orderBy("id", Query.Direction.DESCENDING);
FirestoreRecyclerOptions<SpeciesDatabase> options = new FirestoreRecyclerOptions.Builder<SpeciesDatabase>()
.setQuery(query, SpeciesDatabase.class)
.build();
adapter = new SpeciesDatabaseAdapter(options);
GridLayoutManager gridLayoutManager = new GridLayoutManager(getContext(), 2, GridLayoutManager.VERTICAL, false);
RecyclerView recyclerView = view.findViewById(R.id.recycler_view_adminspecies);
recyclerView.setLayoutManager(gridLayoutManager);
recyclerView.setAdapter(adapter);
}
else {
Toast.makeText(getContext(), "Search: "+data, Toast.LENGTH_SHORT).show();
Query query = speciesRef.whereEqualTo("commonName", data);//.orderBy("id",Query.Direction.DESCENDING);
FirestoreRecyclerOptions<SpeciesDatabase> options = new FirestoreRecyclerOptions.Builder<SpeciesDatabase>()
.setQuery(query, SpeciesDatabase.class)
.build();
adapter = new SpeciesDatabaseAdapter(options);
//adapter.updateOptions(options);
GridLayoutManager gridLayoutManager = new GridLayoutManager(getContext(), 2, GridLayoutManager.VERTICAL, false);
RecyclerView recyclerView = view.findViewById(R.id.recycler_view_adminspecies);
recyclerView.setLayoutManager(gridLayoutManager);
//adapter.startListening();
recyclerView.setAdapter(adapter);
}
}
private void init(View view) {
//searchText = view.findViewById(R.id.editText);
actionButton = view.findViewById(R.id.buttonAddPost);
actionButton.setOnClickListener(v -> startActivity(new Intent(getContext(), AddFeedActivity.class)));
}
@Override
public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
inflater.inflate(R.menu.search_menu, menu);
MenuItem searchItem = menu.findItem(R.id.action_search);
View mView = this.getView();
SearchView searchView = (SearchView) searchItem.getActionView();
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
Toast.makeText(getContext(), "Submitted"+query, Toast.LENGTH_SHORT).show();
setUpRecyclerView(mView, query);
return false;
}
@Override
public boolean onQueryTextChange(String newText) {
//Toast.makeText(getContext(), "Text Change", Toast.LENGTH_SHORT).show();
return false;
}
});
}
@Override
public boolean onOptionsItemSelected(@NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_admin_user:
startActivity(new Intent(getContext(), MainActivity.class));
getActivity().finish();
break;
case R.id.menu_admin_sign_out:
adminUtility.signOutGoogle(getContext());
getActivity().finish();
break;
case R.id.refresh:
setUpRecyclerView(getView(), "");
break;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onStart() {
super.onStart();
adapter.startListening();
}
@Override
public void onStop() {
super.onStop();
adapter.stopListening();
}
}
公共类AdminSpeciesDatabaseFragment扩展片段{
AdminUtility AdminUtility=新的AdminUtility();
私有FirebaseFirestore db=FirebaseFirestore.getInstance();
私人收藏参考物种参考=数据库收藏(“物种”);
私有规范数据库适配器;
浮动动作按钮动作按钮;
//编辑文本搜索;
@可空
@凌驾
创建视图时的公共视图(@NonNull LayoutInflater inflater、@Nullable ViewGroup container、@Nullable Bundle savedInstanceState){
视图=充气机。充气(R.layout.admin_物种,容器,错误);
初始(视图);
setUpRecyclerView(视图“”);
设置选项菜单(真);
返回视图;
}
私有void setUpRecyclerView(视图、字符串数据){
if(数据等于(“”){
Query Query=speciesRef.orderBy(“id”,Query.Direction.DESCENDING);
FirestoreRecyclerOptions选项=新建FirestoreRecyclerOptions.Builder()
.setQuery(查询,SpeciesDatabase.class)
.build();
适配器=新规格数据库适配器(选项);
GridLayoutManager GridLayoutManager=新的GridLayoutManager(getContext(),2,GridLayoutManager.VERTICAL,false);
RecyclerView RecyclerView=view.findViewById(R.id.recycler\u view\u adminspecies);
setLayoutManager(gridLayoutManager);
recyclerView.setAdapter(适配器);
}
否则{
Toast.makeText(getContext(),“Search:+数据,Toast.LENGTH_SHORT).show();
Query Query=speciesRef.whereEqualTo(“commonName”,data);//.orderBy(“id”,Query.Direction.DESCENDING);
FirestoreRecyclerOptions选项=新建FirestoreRecyclerOptions.Builder()
.setQuery(查询,SpeciesDatabase.class)
.build();
适配器=新规格数据库适配器(选项);
//adapter.updateOptions(选项);
GridLayoutManager GridLayoutManager=新的GridLayoutManager(getContext(),2,GridLayoutManager.VERTICAL,false);
RecyclerView RecyclerView=view.findViewById(R.id.recycler\u view\u adminspecies);
setLayoutManager(gridLayoutManager);
//adapter.startListening();
recyclerView.setAdapter(适配器);
}
}
私有void init(视图){
//searchText=view.findviewbyd(R.id.editText);
actionButton=view.findViewById(R.id.buttonAddPost);
setOnClickListener(v->startActivity(新的意图(getContext(),AddFeedActivity.class));
}
@凌驾
public void onCreateOptions菜单(@NonNull菜单,@NonNull菜单充气机){
充气机。充气(右菜单。搜索菜单,菜单);
MenuItem searchItem=menu.findItem(R.id.action\u search);
View mView=this.getView();
SearchView SearchView=(SearchView)searchItem.getActionView();
searchView.setOnQueryTextListener(新的searchView.OnQueryTextListener(){
@凌驾
公共布尔值onQueryTextSubmit(字符串查询){
Toast.makeText(getContext(),“Submitted”+查询,Toast.LENGTH\u SHORT.show();
setUpRecyclerView(mView,查询);
返回false;
}
@凌驾
公共布尔onQueryTextChange(字符串newText){
//Toast.makeText(getContext(),“文本更改”,Toast.LENGTH_SHORT.show();
返回false;
}
});
}
@凌驾
公共布尔值OnOptionItemSelected(@NonNull MenuItem item){
开关(item.getItemId()){
案例R.id.菜单\管理\用户:
startActivity(新意图(getContext(),MainActivity.class));
getActivity().finish();
打破
案例R.id.菜单\管理\注销:
signOutGoogle(getContext());
getActivity().finish();
打破
案例R.id.refresh:
setUpRecyclerView(getView(),“”);
打破
}