Java Firestore未从文档中检索某些字段
我在片段中使用了一个回收器来显示firestore中集合中的文档,问题是,它只是从文档中检索某些字段,看起来它忽略了模型类中的一些其他Setter字段,这是我得到的错误: W/Firestore:(0.6.6-dev)[zzko]:在上找不到sabado的setter/字段 班 com.example.denilsondasilva.iasdmt.com.example.denilsondasilva.com.example.denilsondasilva.MODELS.modelsprogramas 下面是我的模型课:Java Firestore未从文档中检索某些字段,java,android,firebase,google-cloud-firestore,Java,Android,Firebase,Google Cloud Firestore,我在片段中使用了一个回收器来显示firestore中集合中的文档,问题是,它只是从文档中检索某些字段,看起来它忽略了模型类中的一些其他Setter字段,这是我得到的错误: W/Firestore:(0.6.6-dev)[zzko]:在上找不到sabado的setter/字段 班 com.example.denilsondasilva.iasdmt.com.example.denilsondasilva.com.example.denilsondasilva.MODELS.modelsprogra
public class ModelProgramas {
public ModelProgramas() {
}
public ModelProgramas(String sabado, String evento, String responsavel, String data, String horario) {
this.sabado = sabado;
this.evento = evento;
this.responsavel = responsavel;
this.data = data;
this.horario = horario;
}
public String getSabado() {
return sabado;
}
public void setSabado(String sabado) {
this.sabado = sabado;
}
public String getEvento() {
return evento;
}
public void setEvento(String evento) {
this.evento = evento;
}
public String getResponsavel() {
return responsavel;
}
public void setResponsavel(String responsavel) {
this.responsavel = responsavel;
}
public String getData() {
return data;
}
public void setData(String data) {
this.data = data;
}
public String getHorario() {
return horario;
}
public void setHorario(String horario) {
this.horario = horario;
}
private String sabado;
private String evento;
private String responsavel;
private String data;
private String horario;
}
我为类创建了一个空构造函数,为变量创建了构造函数,还创建了getter和setter,我看到了前面的问题,所以我知道getter和setter以及变量都是正确创建的。变量小写,getter和setter以大写开头。firestore文档中的字符串与创建的变量相同
这是我的适配器:
public class PROGRAMASrecyclerAdapter extends RecyclerView.Adapter<PROGRAMASrecyclerAdapter.Programasholder> {
Context ctx;
private List<ModelProgramas> Progs_list;
public PROGRAMASrecyclerAdapter(List<ModelProgramas> progs_list) {
this.Progs_list = progs_list;
}
@NonNull
@Override
public Programasholder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
ctx = parent.getContext();
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.programas_list_item,parent,false);
return new Programasholder(view);
}
@Override
public void onBindViewHolder(@NonNull Programasholder holder, int position) {
final String sabado = Progs_list.get(position).getSabado();
holder.setSabado(sabado);
String evento = Progs_list.get(position).getEvento();
holder.setEvento(evento);
String responsavel = Progs_list.get(position).getResponsavel();
holder.setResponsavel(responsavel);
String data = Progs_list.get(position).getData();
holder.setData(data);
String horario = Progs_list.get(position).getHorario();
holder.setHorario(horario);
holder.mcardView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(ctx, sabado, Toast.LENGTH_SHORT).show();
}
});
}
@Override
public int getItemCount() {
return Progs_list.size();
}
public class Programasholder extends RecyclerView.ViewHolder{
View mView;
private TextView Sabadotxt;
private TextView Eventotxt;
private TextView Responsaveltxt;
private TextView DatadoEventotxt;
private TextView Horariotxt;
private CardView mcardView;
public Programasholder(View itemView) {
super(itemView);
mView = itemView;
mcardView = mView.findViewById(R.id.listCard_Programas);
}
public void setSabado(String sabado){
Sabadotxt = mView.findViewById(R.id.Prog_sabadotxt);
Sabadotxt.setText(sabado);
}
public void setEvento(String evento){
Eventotxt = mView.findViewById(R.id.Prog_eventotxt);
Eventotxt.setText(evento);
}
public void setResponsavel(String responsavel){
Responsaveltxt = mView.findViewById(R.id.Prog_responsaveltxt);
Responsaveltxt.setText(responsavel);
}
public void setData(String data){
DatadoEventotxt = mView.findViewById(R.id.Prog_datadoEventotxt);
DatadoEventotxt.setText(data);
}
public void setHorario(String horario){
Horariotxt = mView.findViewById(R.id.Prog_horariotxt);
Horariotxt.setText(horario);
}
}
}
公共类程序AsRecyclerAdapter扩展了RecyclerView.Adapter{
上下文ctx;
私有列表程序列表;
公共程序回收器适配器(列表程序列表){
this.Progs_list=Progs_list;
}
@非空
@凌驾
公共程序AsHolder onCreateViewHolder(@NonNull ViewGroup父级,int-viewType){
ctx=parent.getContext();
View View=LayoutInflater.from(parent.getContext()).flate(R.layout.programmas\u list\u项,parent,false);
返回新程序文件夹(视图);
}
@凌驾
public void onBindViewHolder(@NonNull Programasholder holder,int位置){
最后一个字符串sabado=Progs_list.get(position.getSabado();
持有人:setSabado(sabado);
字符串evento=Progs_list.get(position.getEvento();
持有人:setEvento(evento);
字符串responsavel=Progs_list.get(position.getResponsavel();
持有人:setResponsavel(responsavel);
String data=Progs_list.get(position).getData();
持有者。设置数据(数据);
字符串horario=Progs_list.get(position.getHorario();
持有人:setHorario(horario);
holder.mcardView.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
Toast.makeText(ctx,sabado,Toast.LENGTH_SHORT).show();
}
});
}
@凌驾
public int getItemCount(){
返回Progs_list.size();
}
公共类程序文件夹扩展了RecyclerView.ViewHolder{
视图视图;
私有文本视图Sabadotxt;
私有文本视图事件文本;
私有文本视图响应AVELTXT;
私有文本视图DataDoEventOText;
私有文本视图;
私有卡视图mcardView;
公共程序文件夹(查看项目视图){
超级(项目视图);
mView=项目视图;
mcardView=mView.findviewbyd(R.id.listCard\u程序);
}
公共void setSabado(字符串sabado){
Sabadotxt=mView.findViewById(R.id.Prog_Sabadotxt);
Sabadotxt.setText(sabado);
}
公共void setEvento(字符串evento){
Eventotxt=mView.findviewbyd(R.id.Prog_Eventotxt);
Eventotxt.setText(evento);
}
公共void setResponsavel(字符串responsavel){
Responsaveltxt=mView.findviewbyd(R.id.Prog_Responsaveltxt);
responsaveltext.setText(responsavel);
}
公共void setData(字符串数据){
datadoeventext=mView.findviewbyd(R.id.Prog_datadoeventext);
datadoeventotext.setText(数据);
}
公共void setHorario(字符串horario){
Horariotxt=mView.findViewById(R.id.Prog_Horariotxt);
Horariotxt.setText(horario);
}
}
}
我甚至在cardview上创建了一个点击监听器来显示检索到的字符串“sabado”,以查看问题是否出在Viewholder类上,但它返回NULL
这是我的片段类:
public class ProgramasFragment extends Fragment {
View view;
private RecyclerView recyclerView;
private List<ModelProgramas> Progs_List;
private FirebaseFirestore firebaseFirestore;
PROGRAMASrecyclerAdapter programaSrecyclerAdapter;
public ProgramasFragment() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
view = inflater.inflate(R.layout.fragment_programas, container, false);
Progs_List = new ArrayList<>();
programaSrecyclerAdapter = new PROGRAMASrecyclerAdapter(Progs_List);
firebaseFirestore = FirebaseFirestore.getInstance();
recyclerView = view.findViewById(R.id.Recycler_ProgramasList);
recyclerView.setHasFixedSize(true);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
recyclerView.setAdapter(programaSrecyclerAdapter);
firebaseFirestore.collection("programasdatarde").addSnapshotListener(new EventListener<QuerySnapshot>() {
@Override
public void onEvent(@Nullable QuerySnapshot queryDocumentSnapshots, @Nullable FirebaseFirestoreException e) {
if (queryDocumentSnapshots == null){
String error = e.getCause().getMessage();
Toast.makeText(getActivity().getApplicationContext(), "Empty QUERY: "+error, Toast.LENGTH_SHORT).show();
}else{
for (DocumentChange doc: queryDocumentSnapshots.getDocumentChanges()){
if (doc.getType() == DocumentChange.Type.ADDED){
ModelProgramas modelProgramas = doc.getDocument().toObject(ModelProgramas.class);
Progs_List.add(modelProgramas);
programaSrecyclerAdapter.notifyDataSetChanged();
}
}
}
}
});
return view;
}
}
公共类程序片段扩展片段{
视图;
私人回收站;
私有列表程序列表;
私人FirebaseFirestore FirebaseFirestore;
程序为RecyclerAdapter程序为RecyclerAdapter;
公共程序片段(){
//必需的空公共构造函数
}
@凌驾
CreateView上的公共视图(布局、充气机、视图组容器、捆绑包保存状态){
视图=充气机。充气(R.layout.fragment\u程序,容器,错误);
Progs_List=new ArrayList();
programaSrecyclerAdapter=新的programaSrecyclerAdapter(程序列表);
firebaseFirestore=firebaseFirestore.getInstance();
recyclerView=view.findViewById(R.id.Recycler\u ProgramasList);
recyclerView.setHasFixedSize(true);
setLayoutManager(新的LinearLayoutManager(getActivity());
setAdapter(programaSrecyclerAdapter);
firebaseFirestore.collection(“programasdatarde”).addSnapshotListener(新的EventListener(){
@凌驾
public void OneEvent(@Nullable QuerySnapshot queryDocumentSnapshots,@Nullable FirebaseFirestoreException e){
if(queryDocumentSnapshots==null){
字符串错误=e.getCause().getMessage();
Toast.makeText(getActivity().getApplicationContext(),“空查询:”+错误,Toast.LENGTH\u SHORT.show();
}否则{
对于(DocumentChange文档:queryDocumentSnapshots.getDocumentChanges()){
if(doc.getType()==DocumentChange.Type.ADDED){
ModelProgramas ModelProgramas=doc.getDocument().toObject(ModelProgramas.class);
程序列表添加(modelProgramas);
programaSrecyclerAdapter.notifyDataSetChanged();
}
}
}
}
});
返回v
firebaseFirestore.collection("programasdatarde").addSnapshotListener(new EventListener<QuerySnapshot>() {
@Override
public void onEvent(@Nullable QuerySnapshot queryDocumentSnapshots, @Nullable FirebaseFirestoreException e) {
if (queryDocumentSnapshots == null){
String error = e.getCause().getMessage();
Toast.makeText(getActivity().getApplicationContext(), "Empty QUERY: "+error, Toast.LENGTH_SHORT).show();
} else {
for (DocumentChange doc: queryDocumentSnapshots.getDocumentChanges()){
if (doc.getType() == DocumentChange.Type.ADDED){
ModelProgramas modelProgramas = doc.getDocument().toObject(ModelProgramas.class);
Progs_List.add(modelProgramas);
}
}
// Move the notify data set out here.
programaSrecyclerAdapter.notifyDataSetChanged();
}
}
});
public class ModelProgramas {
public String sabado;
public String evento;
public String responsavel;
public String data;
public String horario;
public ModelProgramas() {}
}