ecra principal

.idea/deploymentTargetSelector.xml

@@ -5,6 +5,9 @@
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
       </SelectionState>
+      <SelectionState runConfigName="Pap_teste">
+        <option name="selectionMode" value="DROPDOWN" />
+      </SelectionState>
     </selectionStates>
   </component>
 </project>

app/src/main/java/com/example/pap_teste/AddStaffActivity.java

@@ -4,6 +4,13 @@ import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.Spinner;
+import android.widget.ArrayAdapter;
+import android.widget.Toast;
+import java.util.ArrayList;
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.text.InputType;
 
 import androidx.activity.EdgeToEdge;
 import androidx.appcompat.app.AppCompatActivity;
@@ -19,7 +26,13 @@ public class AddStaffActivity extends AppCompatActivity {
 
     private Button addButton;
     private EditText nameEditText;
-
+    private Spinner zonaSpinner;
+    private Button btnAddZone;
+    private Spinner mesaSpinner;
+    private ArrayList<String> zones;
+    private ArrayList<String> mesas;
+    private ArrayAdapter<String> adapter;
+    private ArrayAdapter<String> mesaAdapter;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -34,25 +47,82 @@ public class AddStaffActivity extends AppCompatActivity {
 
         addButton = findViewById(R.id.addButton);
         nameEditText = findViewById(R.id.nammeEditText);
+        zonaSpinner = findViewById(R.id.zonaSpinner);
+        btnAddZone = findViewById(R.id.btnAddZone);
+        mesaSpinner = findViewById(R.id.mesaSpinner);
 
+        zones = new ArrayList<>();
+        zones.add("Sala");
+        zones.add("Esplanada");
+        zones.add("Balcão");
+
+        adapter = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item, zones);
+        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        zonaSpinner.setAdapter(adapter);
+
+        mesas = new ArrayList<>();
+        for (int i = 1; i <= 10; i++) {
+            mesas.add("Mesa " + i);
+        }
+        mesaAdapter = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item, mesas);
+        mesaAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        mesaSpinner.setAdapter(mesaAdapter);
+
+        btnAddZone.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                AlertDialog.Builder builder = new AlertDialog.Builder(AddStaffActivity.this);
+                builder.setTitle("Adicionar Zona");
+
+                final EditText input = new EditText(AddStaffActivity.this);
+                input.setInputType(InputType.TYPE_CLASS_TEXT);
+                builder.setView(input);
+
+                builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        String newZone = input.getText().toString();
+                        if (!newZone.isEmpty()) {
+                            zones.add(newZone);
+                            adapter.notifyDataSetChanged();
+                            zonaSpinner.setSelection(zones.size() - 1);
+                        }
+                    }
+                });
+                builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.cancel();
+                    }
+                });
+
+                builder.show();
+            }
+        });
 
         addButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 String name = nameEditText.getText().toString();
-                //String zona = zonaSpinner.getSelectedItem().toString();
+                String zona = "";
+                if (zonaSpinner.getSelectedItem() != null) {
+                    zona = zonaSpinner.getSelectedItem().toString();
+                }
+                String mesa = "";
+                if (mesaSpinner.getSelectedItem() != null) {
+                    mesa = mesaSpinner.getSelectedItem().toString();
+                }
 
                 if (!name.isEmpty()) {
                     DatabaseReference databaseReference = FirebaseDatabase.getInstance().getReference("Staff");
                     String uuid = java.util.UUID.randomUUID().toString();
-                    Staff staff = new Staff(name, "Zona 1",uuid);
+                    Staff staff = new Staff(name, zona, mesa, uuid);
                     databaseReference.child(uuid).setValue(staff);
 
-                    //mensagem de sucesso
+                    Toast.makeText(AddStaffActivity.this, "Staff adicionado com sucesso!", Toast.LENGTH_SHORT).show();
                     finish();
-                }
+                } else {
-                else{
+                    Toast.makeText(AddStaffActivity.this, "Erro: Preencha todos os campos", Toast.LENGTH_SHORT).show();
-                    //colocar mensagem de error tem que estar tudo preenchido
                 }
             }
         });

app/src/main/java/com/example/pap_teste/GerirMesasActivity.java

@@ -15,18 +15,28 @@ import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
 
+import com.example.pap_teste.models.Mesa;
+import com.google.firebase.database.DataSnapshot;
+import com.google.firebase.database.DatabaseError;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
+import com.google.firebase.database.ValueEventListener;
+
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.annotation.NonNull;
+
 public class GerirMesasActivity extends AppCompatActivity {
 
-    private final List<MesaItem> mesas = new ArrayList<>();
+    private final List<Mesa> mesas = new ArrayList<>();
     private ArrayAdapter<String> adapter;
     private ListView listMesas;
     private EditText inputNumero;
     private EditText inputCapacidade;
     private Spinner spinnerEstado;
     private TextView txtMensagem;
+    private DatabaseReference mDatabase;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -40,7 +50,9 @@ public class GerirMesasActivity extends AppCompatActivity {
         });
 
         bindViews();
-        seedMesasDemo();
+
+        mDatabase = FirebaseDatabase.getInstance().getReference("Mesas");
+
         setupList();
         setupFormActions();
     }
@@ -60,29 +72,44 @@ public class GerirMesasActivity extends AppCompatActivity {
         ArrayAdapter<String> estadoAdapter = new ArrayAdapter<>(
                 this,
                 android.R.layout.simple_spinner_dropdown_item,
-                new String[]{"Livre", "Ocupada", "Reservada"}
+                new String[] { "Livre", "Ocupada", "Reservada" });
-        );
         spinnerEstado.setAdapter(estadoAdapter);
     }
 
-    private void seedMesasDemo() {
-        mesas.add(new MesaItem(1, 4, "Livre"));
-        mesas.add(new MesaItem(2, 2, "Reservada"));
-        mesas.add(new MesaItem(3, 6, "Ocupada"));
-        mesas.add(new MesaItem(4, 4, "Livre"));
-    }
-
     private void setupList() {
         adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_activated_1);
         listMesas.setAdapter(adapter);
-        refreshList();
+
+        mDatabase.addValueEventListener(new ValueEventListener() {
+            @Override
+            public void onDataChange(@NonNull DataSnapshot snapshot) {
+                mesas.clear();
+                adapter.clear();
+                for (DataSnapshot postSnapshot : snapshot.getChildren()) {
+                    Mesa mesa = postSnapshot.getValue(Mesa.class);
+                    if (mesa != null) {
+                        mesas.add(mesa);
+                        String resumo = String.format("Mesa %02d • %d lugares • %s", mesa.getNumero(),
+                                mesa.getCapacidade(), mesa.getEstado());
+                        adapter.add(resumo);
+                    }
+                }
+                adapter.notifyDataSetChanged();
+            }
+
+            @Override
+            public void onCancelled(@NonNull DatabaseError error) {
+                Toast.makeText(GerirMesasActivity.this, "Erro ao carregar mesas: " + error.getMessage(),
+                        Toast.LENGTH_SHORT).show();
+            }
+        });
 
         listMesas.setOnItemClickListener((parent, view, position, id) -> {
-            MesaItem item = mesas.get(position);
+            Mesa item = mesas.get(position);
-            inputNumero.setText(String.valueOf(item.numero));
+            inputNumero.setText(String.valueOf(item.getNumero()));
-            inputCapacidade.setText(String.valueOf(item.capacidade));
+            inputCapacidade.setText(String.valueOf(item.getCapacidade()));
-            spinnerEstado.setSelection(getEstadoIndex(item.estado));
+            spinnerEstado.setSelection(getEstadoIndex(item.getEstado()));
-            txtMensagem.setText(String.format("Editar mesa %d", item.numero));
+            txtMensagem.setText(String.format("Editar mesa %d", item.getNumero()));
         });
     }
 
@@ -123,56 +150,36 @@ public class GerirMesasActivity extends AppCompatActivity {
             return;
         }
 
-        MesaItem existente = findMesa(numero);
+        Mesa existente = findMesa(numero);
+        String mesaId;
+
         if (existente == null) {
-            mesas.add(new MesaItem(numero, capacidade, estado));
+            mesaId = mDatabase.push().getKey();
-            txtMensagem.setText(String.format("Mesa %d adicionada/atualizada.", numero));
+            Mesa novaMesa = new Mesa(mesaId, numero, capacidade, estado);
+            if (mesaId != null) {
+                mDatabase.child(mesaId).setValue(novaMesa);
+            }
+            txtMensagem.setText(String.format("Mesa %d adicionada.", numero));
         } else {
-            existente.capacidade = capacidade;
+            mesaId = existente.getId();
-            existente.estado = estado;
+            existente.setCapacidade(capacidade);
+            existente.setEstado(estado);
+            mDatabase.child(mesaId).setValue(existente);
             txtMensagem.setText(String.format("Mesa %d atualizada.", numero));
         }
 
-        refreshList();
+        // Clearing inputs
+        inputNumero.setText("");
+        inputCapacidade.setText("");
     }
 
-    private MesaItem findMesa(int numero) {
+    private Mesa findMesa(int numero) {
-        for (MesaItem item : mesas) {
+        for (Mesa item : mesas) {
-            if (item.numero == numero) {
+            if (item.getNumero() == numero) {
                 return item;
             }
         }
         return null;
     }
 
-    private void refreshList() {
-        adapter.clear();
-        for (MesaItem item : mesas) {
-            String resumo = String.format("Mesa %02d • %d lugares • %s", item.numero, item.capacidade, item.estado);
-            adapter.add(resumo);
 }
-        adapter.notifyDataSetChanged();
-    }
-
-    private static class MesaItem {
-        int numero;
-        int capacidade;
-        String estado;
-
-        MesaItem(int numero, int capacidade, String estado) {
-            this.numero = numero;
-            this.capacidade = capacidade;
-            this.estado = estado;
-        }
-    }
-}
-
-
-
-
-
-
-
-
-
-

app/src/main/java/com/example/pap_teste/GestaoStaffActivity.java

@@ -1,15 +1,21 @@
 package com.example.pap_teste;
 
+import com.example.pap_teste.models.Mesa;
+import com.example.pap_teste.models.Staff;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
-import com.google.firebase.firestore.FirebaseFirestore;
+import com.google.firebase.database.DataSnapshot;
-import com.google.firebase.firestore.QueryDocumentSnapshot;
+import com.google.firebase.database.DatabaseError;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
+import com.google.firebase.database.ValueEventListener;
+import androidx.annotation.NonNull;
 
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
-import android.widget.EditText;
+
 import android.widget.ListView;
 import android.widget.Spinner;
 import android.widget.TextView;
@@ -26,16 +32,21 @@ import java.util.List;
 
 public class GestaoStaffActivity extends AppCompatActivity {
 
-    private final List<StaffAssignment> staffAssignments = new ArrayList<>();
+    private final List<Staff> staffList = new ArrayList<>();
     private ArrayAdapter<String> staffAdapter;
     private ListView listStaffMesas;
 
     private Spinner spinnerNomeStaff;
     private Spinner spinnerMesaStaff;
     private TextView txtMensagemStaff;
-    private FirebaseFirestore firestore;
+
+    private DatabaseReference staffRef;
+    private DatabaseReference mesasRef;
+
     private List<String> staffNames = new ArrayList<>();
+    private List<Mesa> mesasDisponiveis = new ArrayList<>();
     private ArrayAdapter<String> staffNameAdapter;
+    private ArrayAdapter<String> mesaSpinnerAdapter;
 
     private FloatingActionButton floatingActionButton;
 
@@ -50,7 +61,8 @@ public class GestaoStaffActivity extends AppCompatActivity {
             return insets;
         });
 
-        firestore = FirebaseFirestore.getInstance();
+        staffRef = FirebaseDatabase.getInstance().getReference("Staff");
+        mesasRef = FirebaseDatabase.getInstance().getReference("Mesas");
 
         Button back = findViewById(R.id.btnVoltar);
         if (back != null) {
@@ -76,7 +88,7 @@ public class GestaoStaffActivity extends AppCompatActivity {
      * Mais tarde isto pode ser ligado às mesas reais configuradas em "Gerir Mesas".
      */
     private void setupMesaSpinner() {
-        ArrayAdapter<String> mesaAdapter = new ArrayAdapter<>(
+        mesaSpinnerAdapter = new ArrayAdapter<>(
                 this,
                 android.R.layout.simple_spinner_dropdown_item);
 
@@ -85,26 +97,60 @@ public class GestaoStaffActivity extends AppCompatActivity {
                 android.R.layout.simple_spinner_dropdown_item,
                 staffNames);
         spinnerNomeStaff.setAdapter(staffNameAdapter);
-        loadStaffMembers();
 
-        for (int i = 1; i <= 20; i++) {
+        loadStaffMembers();
-            mesaAdapter.add(String.format("Mesa %02d", i));
+        loadMesas();
+
+        spinnerMesaStaff.setAdapter(mesaSpinnerAdapter);
     }
 
-        spinnerMesaStaff.setAdapter(mesaAdapter);
+    private void loadMesas() {
+        mesasRef.addValueEventListener(new ValueEventListener() {
+            @Override
+            public void onDataChange(@NonNull DataSnapshot snapshot) {
+                mesasDisponiveis.clear();
+                mesaSpinnerAdapter.clear();
+                for (DataSnapshot postSnapshot : snapshot.getChildren()) {
+                    Mesa mesa = postSnapshot.getValue(Mesa.class);
+                    if (mesa != null) {
+                        mesasDisponiveis.add(mesa);
+                        mesaSpinnerAdapter.add("Mesa " + mesa.getNumero());
+                    }
+                }
+                mesaSpinnerAdapter.notifyDataSetChanged();
+            }
+
+            @Override
+            public void onCancelled(@NonNull DatabaseError error) {
+                Toast.makeText(GestaoStaffActivity.this, "Erro ao carregar mesas.", Toast.LENGTH_SHORT).show();
+            }
+        });
     }
 
     private void setupList() {
         staffAdapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_activated_1);
         listStaffMesas.setAdapter(staffAdapter);
-        refreshList();
 
         listStaffMesas.setOnItemClickListener((parent, view, position, id) -> {
-            StaffAssignment item = staffAssignments.get(position);
+            Staff item = staffList.get(position);
-            // inputNomeStaff.setText(item.nome); // Removed
+            // Select staff in spinner
-            int index = Math.max(0, Math.min(spinnerMesaStaff.getCount() - 1, item.mesaNumero - 1));
+            int staffIndex = staffNames.indexOf(item.getName());
-            spinnerMesaStaff.setSelection(index);
+            if (staffIndex >= 0) {
-            txtMensagemStaff.setText(String.format("A editar: %s (Mesa %02d)", item.nome, item.mesaNumero));
+                spinnerNomeStaff.setSelection(staffIndex);
+            }
+            // Select mesa in spinner
+            // Simple string matching for now since Mesa is stored as String in Staff
+            String assignedMesa = item.getMesa();
+            if (assignedMesa != null) {
+                for (int i = 0; i < mesaSpinnerAdapter.getCount(); i++) {
+                    if (mesaSpinnerAdapter.getItem(i).equals(assignedMesa)) {
+                        spinnerMesaStaff.setSelection(i);
+                        break;
+                    }
+                }
+            }
+
+            txtMensagemStaff.setText(String.format("A editar: %s", item.getName()));
         });
     }
 
@@ -139,70 +185,64 @@ public class GestaoStaffActivity extends AppCompatActivity {
             return;
         }
 
-        int mesaNumero = spinnerMesaStaff.getSelectedItemPosition() + 1;
+        String mesaSelecionada = spinnerMesaStaff.getSelectedItem().toString();
 
-        StaffAssignment existente = findByNome(nome);
+        Staff staffToUpdate = findByNome(nome);
-        if (existente == null) {
+        if (staffToUpdate != null) {
-            staffAssignments.add(new StaffAssignment(nome, mesaNumero));
+            staffToUpdate.setMesa(mesaSelecionada);
-            txtMensagemStaff.setText(String.format("%s atribuído à mesa %02d.", nome, mesaNumero));
+
+            final String finalNome = nome;
+            final String finalMesa = mesaSelecionada;
+
+            staffRef.child(staffToUpdate.getId()).setValue(staffToUpdate)
+                    .addOnSuccessListener(aVoid -> {
+                        txtMensagemStaff.setText(String.format("%s atribuído à %s.", finalNome, finalMesa));
+                    })
+                    .addOnFailureListener(e -> {
+                        Toast.makeText(this, "Erro ao atualizar: " + e.getMessage(), Toast.LENGTH_SHORT).show();
+                    });
         } else {
-            existente.mesaNumero = mesaNumero;
+            Toast.makeText(this, "Erro: Staff não encontrado.", Toast.LENGTH_SHORT).show();
-            txtMensagemStaff.setText(String.format("Mesa de %s atualizada para %02d.", nome, mesaNumero));
+        }
     }
 
-        refreshList();
+    private Staff findByNome(String nome) {
-    }
+        for (Staff item : staffList) {
-
+            if (item.getName().equalsIgnoreCase(nome)) {
-    private StaffAssignment findByNome(String nome) {
-        for (StaffAssignment item : staffAssignments) {
-            if (item.nome.equalsIgnoreCase(nome)) {
                 return item;
             }
         }
         return null;
     }
 
-    private void refreshList() {
+    private void loadStaffMembers() {
-        if (staffAdapter == null)
+        staffRef.addValueEventListener(new ValueEventListener() {
-            return;
+            @Override
-
+            public void onDataChange(@NonNull DataSnapshot snapshot) {
+                staffList.clear();
+                staffNames.clear();
                 staffAdapter.clear();
-        for (StaffAssignment item : staffAssignments) {
+
-            String resumo = String.format("%s  •  Mesa %02d", item.nome, item.mesaNumero);
+                for (DataSnapshot postSnapshot : snapshot.getChildren()) {
+                    Staff staff = postSnapshot.getValue(Staff.class);
+                    if (staff != null) {
+                        staffList.add(staff);
+                        staffNames.add(staff.getName());
+
+                        String mesaInfo = staff.getMesa() != null ? staff.getMesa() : "Sem Mesa";
+                        String resumo = String.format("%s • %s • %s", staff.getName(), staff.getZona(), mesaInfo);
                         staffAdapter.add(resumo);
                     }
+                }
+
+                staffNameAdapter.notifyDataSetChanged();
                 staffAdapter.notifyDataSetChanged();
             }
 
-    private void loadStaffMembers() {
+            @Override
-        firestore.collection("users")
+            public void onCancelled(@NonNull DatabaseError error) {
-                .whereEqualTo("role", "STAFF")
+                Toast.makeText(GestaoStaffActivity.this, "Erro ao carregar staff.", Toast.LENGTH_SHORT).show();
-                .get()
-                .addOnSuccessListener(queryDocumentSnapshots -> {
-                    staffNames.clear();
-                    for (QueryDocumentSnapshot document : queryDocumentSnapshots) {
-                        String name = document.getString("displayName");
-                        if (name != null && !name.isEmpty()) {
-                            staffNames.add(name);
             }
-                    }
-                    if (staffNames.isEmpty()) {
-                        staffNames.add("Nenhum staff encontrado");
-                    }
-                    staffNameAdapter.notifyDataSetChanged();
-                })
-                .addOnFailureListener(e -> {
-                    Toast.makeText(this, "Erro ao carregar staff: " + e.getMessage(), Toast.LENGTH_SHORT).show();
         });
     }
-
-    private static class StaffAssignment {
-        String nome;
-        int mesaNumero;
-
-        StaffAssignment(String nome, int mesaNumero) {
-            this.nome = nome;
-            this.mesaNumero = mesaNumero;
-        }
-    }
 }

app/src/main/java/com/example/pap_teste/MainActivity.java

@@ -81,7 +81,6 @@ public class MainActivity extends AppCompatActivity {
         setupTypeToggle();
         setupActionToggle();
         setupPrimaryAction();
-        enforceFirstAccountCreation();
     }
 
     private void bindViews() {
@@ -176,13 +175,6 @@ public class MainActivity extends AppCompatActivity {
         String establishmentEmail = inputEstablishmentEmail.getText().toString().trim();
         String establishmentPhone = inputEstablishmentPhone.getText().toString().trim();
 
-        if (selectedAccountAction == AccountAction.ENTRAR && !hasCreatedAccount) {
-            Toast.makeText(this, "Crie uma conta para começar a usar a app.", Toast.LENGTH_SHORT).show();
-            selectedAccountAction = AccountAction.CRIAR;
-            updateActionButtons();
-            return;
-        }
-
         if (TextUtils.isEmpty(email) || TextUtils.isEmpty(password)) {
             Toast.makeText(this, "Preencha email e palavra-passe.", Toast.LENGTH_SHORT).show();
             return;
@@ -330,13 +322,10 @@ public class MainActivity extends AppCompatActivity {
                             establishmentPhone,
                             uid,
                             () -> {
-                                Intent createdScreen = new Intent(this, AccountCreatedActivity.class);
+                                Toast.makeText(this, "Conta criada com sucesso! Carregue em Entrar.", Toast.LENGTH_LONG)
-                                createdScreen.putExtra(EXTRA_ACTION_MODE, selectedAccountAction.name());
+                                        .show();
-                                createdScreen.putExtra(EXTRA_DISPLAY_NAME, finalDisplayName);
+                                selectedAccountAction = AccountAction.ENTRAR;
-                                createdScreen.putExtra(EXTRA_EMAIL, email);
+                                updateActionButtons();
-                                createdScreen.putExtra(EXTRA_ACCOUNT_TYPE, selectedAccountType.name());
-                                createdScreen.putExtra(EXTRA_ROLE, resolvedRole);
-                                startActivity(createdScreen);
                             });
                 })
                 .addOnFailureListener(e -> {
@@ -388,6 +377,14 @@ public class MainActivity extends AppCompatActivity {
                 })
                 .addOnFailureListener(e -> {
                     android.util.Log.e("LoginError", "Firestore check failed", e);
+                    if (e instanceof com.google.firebase.firestore.FirebaseFirestoreException) {
+                        com.google.firebase.firestore.FirebaseFirestoreException fe = (com.google.firebase.firestore.FirebaseFirestoreException) e;
+                        if (fe.getCode() == com.google.firebase.firestore.FirebaseFirestoreException.Code.UNAVAILABLE ||
+                                fe.getCode() == com.google.firebase.firestore.FirebaseFirestoreException.Code.FAILED_PRECONDITION) {
+                            Toast.makeText(this, "Sem internet. A entrar em modo offline...", Toast.LENGTH_LONG).show();
+                            // Não fazemos return, deixamos cair no navigateToDashboard abaixo
+                        }
+                    }
                     Toast.makeText(this, "Falha ao validar perfil na cloud. A entrar em modo básico.",
                             Toast.LENGTH_SHORT)
                             .show();

app/src/main/java/com/example/pap_teste/models/Mesa.java

@@ -1,4 +1,56 @@
 package com.example.pap_teste.models;
 
 public class Mesa {
+    private String id;
+    private int numero;
+    private int capacidade;
+    private String estado;
+
+    public Mesa() {
+        // Default constructor required for calls to DataSnapshot.getValue(Mesa.class)
+    }
+
+    public Mesa(String id, int numero, int capacidade, String estado) {
+        this.id = id;
+        this.numero = numero;
+        this.capacidade = capacidade;
+        this.estado = estado;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public int getNumero() {
+        return numero;
+    }
+
+    public void setNumero(int numero) {
+        this.numero = numero;
+    }
+
+    public int getCapacidade() {
+        return capacidade;
+    }
+
+    public void setCapacidade(int capacidade) {
+        this.capacidade = capacidade;
+    }
+
+    public String getEstado() {
+        return estado;
+    }
+
+    public void setEstado(String estado) {
+        this.estado = estado;
+    }
+
+    @Override
+    public String toString() {
+        return "Mesa " + numero;
+    }
 }

app/src/main/java/com/example/pap_teste/models/Staff.java

@@ -3,14 +3,17 @@ package com.example.pap_teste.models;
 public class Staff {
     private String name;
     private String zona;
+    private String mesa;
 
     private String id;
 
-    public Staff(String name, String zona, String id) {
+    public Staff(String name, String zona, String mesa, String id) {
         this.name = name;
         this.zona = zona;
+        this.mesa = mesa;
         this.id = id;
     }
+
     public Staff() {
     }
 
@@ -30,6 +33,14 @@ public class Staff {
         this.zona = zona;
     }
 
+    public String getMesa() {
+        return mesa;
+    }
+
+    public void setMesa(String mesa) {
+        this.mesa = mesa;
+    }
+
     public String getId() {
         return id;
     }

app/src/main/res/layout/activity_add_staff.xml

@@ -9,14 +9,60 @@
 
     <EditText
         android:id="@+id/nammeEditText"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="32dp"
+        android:layout_marginEnd="16dp"
         android:ems="10"
+        android:hint="Name"
         android:inputType="text"
-        android:text="Name"
+        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <LinearLayout
+        android:id="@+id/zoneLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:orientation="horizontal"
+        app:layout_constraintEnd_toEndOf="@+id/nammeEditText"
+        app:layout_constraintStart_toStartOf="@+id/nammeEditText"
+        app:layout_constraintTop_toBottomOf="@+id/nammeEditText">
+
+        <Spinner
+            android:id="@+id/zonaSpinner"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:minHeight="48dp" />
+
+        <Button
+            android:id="@+id/btnAddZone"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="+" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/mesaLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:orientation="horizontal"
+        app:layout_constraintEnd_toEndOf="@+id/zoneLayout"
+        app:layout_constraintStart_toStartOf="@+id/zoneLayout"
+        app:layout_constraintTop_toBottomOf="@+id/zoneLayout">
+
+        <Spinner
+            android:id="@+id/mesaSpinner"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:minHeight="48dp" />
+    </LinearLayout>
+
     <Button
         android:id="@+id/addButton"
         android:layout_width="wrap_content"