...

.idea/deviceManager.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DeviceTable">
+    <option name="columnSorters">
+      <list>
+        <ColumnSorterState>
+          <option name="column" value="Name" />
+          <option name="order" value="ASCENDING" />
+        </ColumnSorterState>
+      </list>
+    </option>
+  </component>
+</project>

.idea/markdown.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MarkdownSettings">
+    <option name="previewPanelProviderInfo">
+      <ProviderInfo name="Compose (experimental)" className="com.intellij.markdown.compose.preview.ComposePanelProvider" />
+    </option>
+  </component>
+</project>

.idea/misc.xml

@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">

Readme.md

@@ -0,0 +1,3 @@
+EstabelecimentoPap@gmail.com
+
+PaP@P.1

app/build.gradle.kts

@@ -41,6 +41,7 @@ dependencies {
     implementation(platform(libs.firebase.bom))
     implementation("com.google.firebase:firebase-firestore")
     implementation("com.google.firebase:firebase-auth")
+    implementation(libs.firebase.database)
     testImplementation(libs.junit)
     androidTestImplementation(libs.ext.junit)
     androidTestImplementation(libs.espresso.core)

app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -11,6 +13,9 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.Pap_teste">
+        <activity
+            android:name=".AddStaffActivity"
+            android:exported="false" />
         <activity
             android:name=".DetalhesReservasActivity"
             android:exported="false"

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

@@ -0,0 +1,130 @@
+package com.example.pap_teste;
+
+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;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import com.example.pap_teste.models.Staff;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
+
+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) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_add_staff);
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+            return insets;
+        });
+
+        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 = "";
+                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, mesa, uuid);
+                    databaseReference.child(uuid).setValue(staff);
+
+                    Toast.makeText(AddStaffActivity.this, "Staff adicionado com sucesso!", Toast.LENGTH_SHORT).show();
+                    finish();
+                } else {
+                    Toast.makeText(AddStaffActivity.this, "Erro: Preencha todos os campos", Toast.LENGTH_SHORT).show();
+                }
+            }
+        });
+    }
+}

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

@@ -76,10 +76,5 @@ public class ClientDashboardActivity extends AppCompatActivity {
             btnBack.setOnClickListener(v -> finish());
         }
     }
-
-    // Mantemos este método caso seja útil no futuro para feedback rápido.
-    // private void showToast(String message) {
-    //     Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
-    // }
 }
 

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

@@ -75,10 +75,5 @@ public class EstablishmentDashboardActivity extends AppCompatActivity {
             btnBack.setOnClickListener(v -> finish());
         }
     }
-
-    // Mantemos este método caso seja útil no futuro para feedback rápido.
-    // private void showToast(String message) {
-    //     Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
-    // }
 }
 

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);
-            inputNumero.setText(String.valueOf(item.numero));
-            inputCapacidade.setText(String.valueOf(item.capacidade));
-            spinnerEstado.setSelection(getEstadoIndex(item.estado));
-            txtMensagem.setText(String.format("Editar mesa %d", item.numero));
+            Mesa item = mesas.get(position);
+            inputNumero.setText(String.valueOf(item.getNumero()));
+            inputCapacidade.setText(String.valueOf(item.getCapacidade()));
+            spinnerEstado.setSelection(getEstadoIndex(item.getEstado()));
+            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));
-            txtMensagem.setText(String.format("Mesa %d adicionada/atualizada.", numero));
+            mesaId = mDatabase.push().getKey();
+            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;
-            existente.estado = estado;
+            mesaId = existente.getId();
+            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) {
-        for (MesaItem item : mesas) {
-            if (item.numero == numero) {
+    private Mesa findMesa(int numero) {
+        for (Mesa item : mesas) {
+            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

@@ -1,9 +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.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 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;
@@ -20,13 +32,24 @@ 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 EditText inputNomeStaff;
+
+    private Spinner spinnerNomeStaff;
     private Spinner spinnerMesaStaff;
     private TextView txtMensagemStaff;
 
+    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;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -38,6 +61,9 @@ public class GestaoStaffActivity extends AppCompatActivity {
             return insets;
         });
 
+        staffRef = FirebaseDatabase.getInstance().getReference("Staff");
+        mesasRef = FirebaseDatabase.getInstance().getReference("Mesas");
+
         Button back = findViewById(R.id.btnVoltar);
         if (back != null) {
             back.setOnClickListener(v -> finish());
@@ -51,9 +77,10 @@ public class GestaoStaffActivity extends AppCompatActivity {
 
     private void bindViews() {
         listStaffMesas = findViewById(R.id.listStaffMesas);
-        inputNomeStaff = findViewById(R.id.inputNomeStaff);
+        spinnerNomeStaff = findViewById(R.id.spinnerNomeStaff);
         spinnerMesaStaff = findViewById(R.id.spinnerMesaStaff);
         txtMensagemStaff = findViewById(R.id.txtMensagemStaff);
+        floatingActionButton = findViewById(R.id.floatingActionButton);
     }
 
     /**
@@ -61,29 +88,69 @@ 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
-        );
+                android.R.layout.simple_spinner_dropdown_item);
 
-        for (int i = 1; i <= 20; i++) {
-            mesaAdapter.add(String.format("Mesa %02d", i));
-        }
+        staffNameAdapter = new ArrayAdapter<>(
+                this,
+                android.R.layout.simple_spinner_dropdown_item,
+                staffNames);
+        spinnerNomeStaff.setAdapter(staffNameAdapter);
 
-        spinnerMesaStaff.setAdapter(mesaAdapter);
+        loadStaffMembers();
+        loadMesas();
+
+        spinnerMesaStaff.setAdapter(mesaSpinnerAdapter);
+    }
+
+    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);
-            inputNomeStaff.setText(item.nome);
-            int index = Math.max(0, Math.min(spinnerMesaStaff.getCount() - 1, item.mesaNumero - 1));
-            spinnerMesaStaff.setSelection(index);
-            txtMensagemStaff.setText(String.format("A editar: %s (Mesa %02d)", item.nome, item.mesaNumero));
+            Staff item = staffList.get(position);
+            // Select staff in spinner
+            int staffIndex = staffNames.indexOf(item.getName());
+            if (staffIndex >= 0) {
+                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()));
         });
     }
 
@@ -92,12 +159,26 @@ public class GestaoStaffActivity extends AppCompatActivity {
         if (btnAtribuir != null) {
             btnAtribuir.setOnClickListener(v -> guardarAtribuicao());
         }
+
+        if (floatingActionButton != null) {
+            floatingActionButton.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    Intent intent = new Intent(GestaoStaffActivity.this, AddStaffActivity.class);
+                    startActivity(intent);
+                }
+            });
+        }
     }
 
     private void guardarAtribuicao() {
-        String nome = inputNomeStaff != null ? inputNomeStaff.getText().toString().trim() : "";
+        String nome = "";
+        if (spinnerNomeStaff.getSelectedItem() != null) {
+            nome = spinnerNomeStaff.getSelectedItem().toString();
+        }
+
         if (nome.isEmpty()) {
-            Toast.makeText(this, "Indique o nome do funcionário.", Toast.LENGTH_SHORT).show();
+            Toast.makeText(this, "Selecione um funcionário.", Toast.LENGTH_SHORT).show();
             return;
         }
 
@@ -106,52 +187,64 @@ public class GestaoStaffActivity extends AppCompatActivity {
             return;
         }
 
-        int mesaNumero = spinnerMesaStaff.getSelectedItemPosition() + 1;
+        String mesaSelecionada = spinnerMesaStaff.getSelectedItem().toString();
 
-        StaffAssignment existente = findByNome(nome);
-        if (existente == null) {
-            staffAssignments.add(new StaffAssignment(nome, mesaNumero));
-            txtMensagemStaff.setText(String.format("%s atribuído à mesa %02d.", nome, mesaNumero));
+        Staff staffToUpdate = findByNome(nome);
+        if (staffToUpdate != null) {
+            staffToUpdate.setMesa(mesaSelecionada);
+
+            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;
-            txtMensagemStaff.setText(String.format("Mesa de %s atualizada para %02d.", nome, mesaNumero));
+            Toast.makeText(this, "Erro: Staff não encontrado.", Toast.LENGTH_SHORT).show();
         }
-
-        refreshList();
     }
 
-    private StaffAssignment findByNome(String nome) {
-        for (StaffAssignment item : staffAssignments) {
-            if (item.nome.equalsIgnoreCase(nome)) {
+    private Staff findByNome(String nome) {
+        for (Staff item : staffList) {
+            if (item.getName().equalsIgnoreCase(nome)) {
                 return item;
             }
         }
         return null;
     }
 
-    private void refreshList() {
-        if (staffAdapter == null) return;
+    private void loadStaffMembers() {
+        staffRef.addValueEventListener(new ValueEventListener() {
+            @Override
+            public void onDataChange(@NonNull DataSnapshot snapshot) {
+                staffList.clear();
+                staffNames.clear();
+                staffAdapter.clear();
 
-        staffAdapter.clear();
-        for (StaffAssignment item : staffAssignments) {
-            String resumo = String.format("%s  •  Mesa %02d", item.nome, item.mesaNumero);
-            staffAdapter.add(resumo);
-        }
-        staffAdapter.notifyDataSetChanged();
-    }
+                for (DataSnapshot postSnapshot : snapshot.getChildren()) {
+                    Staff staff = postSnapshot.getValue(Staff.class);
+                    if (staff != null && staff.getName() != null) {
+                        staffList.add(staff);
+                        staffNames.add(staff.getName());
 
-    private static class StaffAssignment {
-        String nome;
-        int mesaNumero;
+                        String mesaInfo = staff.getMesa() != null ? staff.getMesa() : "Sem Mesa";
+                        String resumo = String.format("%s • %s • %s", staff.getName(), staff.getZona(), mesaInfo);
+                        staffAdapter.add(resumo);
+                    }
+                }
 
-        StaffAssignment(String nome, int mesaNumero) {
-            this.nome = nome;
-            this.mesaNumero = mesaNumero;
-        }
+                staffNameAdapter.notifyDataSetChanged();
+                staffAdapter.notifyDataSetChanged();
+            }
+
+            @Override
+            public void onCancelled(@NonNull DatabaseError error) {
+                Toast.makeText(GestaoStaffActivity.this, "Erro ao carregar staff.", Toast.LENGTH_SHORT).show();
+            }
+        });
     }
 }
-
-
-
-
-

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

@@ -18,8 +18,9 @@ import androidx.core.view.WindowInsetsCompat;
 
 import com.google.firebase.FirebaseApp;
 import com.google.firebase.auth.FirebaseAuth;
-import com.google.firebase.firestore.FirebaseFirestore;
-import com.google.firebase.firestore.SetOptions;
+import com.google.firebase.database.DataSnapshot;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -34,8 +35,13 @@ public class MainActivity extends AppCompatActivity {
     private static final String PREFS_NAME = "pap_prefs";
     private static final String KEY_HAS_CREATED_ACCOUNT = "has_created_account";
 
-    public enum AccountType {CLIENTE, ESTABELECIMENTO}
-    public enum AccountAction {ENTRAR, CRIAR}
+    public enum AccountType {
+        CLIENTE, ESTABELECIMENTO
+    }
+
+    public enum AccountAction {
+        ENTRAR, CRIAR
+    }
 
     private AccountType selectedAccountType = AccountType.CLIENTE;
     private AccountAction selectedAccountAction = AccountAction.ENTRAR;
@@ -54,7 +60,7 @@ public class MainActivity extends AppCompatActivity {
     private EditText inputEstablishmentPhone;
     private boolean hasCreatedAccount;
     private FirebaseAuth firebaseAuth;
-    private FirebaseFirestore firestore;
+    private DatabaseReference databaseReference;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -69,13 +75,12 @@ public class MainActivity extends AppCompatActivity {
 
         FirebaseApp.initializeApp(this);
         firebaseAuth = FirebaseAuth.getInstance();
-        firestore = FirebaseFirestore.getInstance();
+        databaseReference = FirebaseDatabase.getInstance().getReference();
 
         bindViews();
         setupTypeToggle();
         setupActionToggle();
         setupPrimaryAction();
-        enforceFirstAccountCreation();
     }
 
     private void bindViews() {
@@ -170,13 +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;
@@ -184,6 +182,10 @@ public class MainActivity extends AppCompatActivity {
 
         boolean creatingAccount = selectedAccountAction == AccountAction.CRIAR;
 
+        if (creatingAccount && !isValidPassword(password)) {
+            return;
+        }
+
         if (creatingAccount) {
             if (selectedAccountType == AccountType.CLIENTE && TextUtils.isEmpty(providedName)) {
                 Toast.makeText(this, "Indique o seu nome para criar conta.", Toast.LENGTH_SHORT).show();
@@ -197,7 +199,8 @@ public class MainActivity extends AppCompatActivity {
                         || TextUtils.isEmpty(establishmentPhone);
 
                 if (missingOwner || missingEstablishment) {
-                    Toast.makeText(this, "Preencha os dados do proprietário e do estabelecimento.", Toast.LENGTH_SHORT).show();
+                    Toast.makeText(this, "Preencha os dados do proprietário e do estabelecimento.", Toast.LENGTH_SHORT)
+                            .show();
                     return;
                 }
             }
@@ -216,8 +219,7 @@ public class MainActivity extends AppCompatActivity {
                     establishmentEmail,
                     establishmentPhone,
                     fallbackName,
-                    resolvedRole
-            );
+                    resolvedRole);
             return;
         }
 
@@ -237,18 +239,6 @@ public class MainActivity extends AppCompatActivity {
         return firstLetter + rest;
     }
 
-    private void enforceFirstAccountCreation() {
-        SharedPreferences prefs = getSharedPreferences(PREFS_NAME, MODE_PRIVATE);
-        hasCreatedAccount = prefs.getBoolean(KEY_HAS_CREATED_ACCOUNT, false);
-
-        if (!hasCreatedAccount) {
-            selectedAccountAction = AccountAction.CRIAR;
-            Toast.makeText(this, "Crie uma conta para começar a usar a app.", Toast.LENGTH_SHORT).show();
-        }
-
-        updateActionButtons();
-    }
-
     private void markAccountCreated() {
         hasCreatedAccount = true;
         SharedPreferences prefs = getSharedPreferences(PREFS_NAME, MODE_PRIVATE);
@@ -264,7 +254,7 @@ public class MainActivity extends AppCompatActivity {
     }
 
     private boolean ensureFirebaseReady() {
-        boolean ready = firebaseAuth != null && firestore != null;
+        boolean ready = firebaseAuth != null && databaseReference != null;
         if (!ready) {
             Toast.makeText(this, "Ligue-se ao Firebase para continuar.", Toast.LENGTH_SHORT).show();
         }
@@ -277,12 +267,12 @@ public class MainActivity extends AppCompatActivity {
         }
 
         firebaseAuth.signInWithEmailAndPassword(email, password)
-                .addOnSuccessListener(authResult ->
-                        fetchAccountAndNavigate(email, fallbackName, resolvedRole)
-                )
-                .addOnFailureListener(e ->
-                        Toast.makeText(this, "Não foi possível iniciar sessão: " + e.getMessage(), Toast.LENGTH_SHORT).show()
-                );
+                .addOnSuccessListener(authResult -> fetchAccountAndNavigate(email, fallbackName, resolvedRole))
+                .addOnFailureListener(e -> {
+                    android.util.Log.e("LoginError", "SignIn failed", e);
+                    Toast.makeText(this, "Não foi possível iniciar sessão: " + e.getMessage(), Toast.LENGTH_SHORT)
+                            .show();
+                });
     }
 
     private void createAccountInFirebase(
@@ -294,8 +284,7 @@ public class MainActivity extends AppCompatActivity {
             String establishmentEmail,
             String establishmentPhone,
             String fallbackName,
-            String resolvedRole
-    ) {
+            String resolvedRole) {
         if (!ensureFirebaseReady()) {
             return;
         }
@@ -305,9 +294,10 @@ public class MainActivity extends AppCompatActivity {
                     if (!hasCreatedAccount) {
                         markAccountCreated();
                     }
-                    String finalDisplayName = selectedAccountType == AccountType.ESTABELECIMENTO && !TextUtils.isEmpty(establishmentName)
-                            ? establishmentName
-                            : fallbackName;
+                    String finalDisplayName = selectedAccountType == AccountType.ESTABELECIMENTO
+                            && !TextUtils.isEmpty(establishmentName)
+                                    ? establishmentName
+                                    : fallbackName;
                     String uid = result.getUser() != null ? result.getUser().getUid() : null;
 
                     persistAccountInFirebase(
@@ -320,71 +310,77 @@ public class MainActivity extends AppCompatActivity {
                             establishmentPhone,
                             uid,
                             () -> {
-                                Intent createdScreen = new Intent(this, AccountCreatedActivity.class);
-                                createdScreen.putExtra(EXTRA_ACTION_MODE, selectedAccountAction.name());
-                                createdScreen.putExtra(EXTRA_DISPLAY_NAME, finalDisplayName);
-                                createdScreen.putExtra(EXTRA_EMAIL, email);
-                                createdScreen.putExtra(EXTRA_ACCOUNT_TYPE, selectedAccountType.name());
-                                createdScreen.putExtra(EXTRA_ROLE, resolvedRole);
-                                startActivity(createdScreen);
-                            }
-                    );
+                                Toast.makeText(this, "Conta criada com sucesso! Carregue em Entrar.", Toast.LENGTH_LONG)
+                                        .show();
+                                selectedAccountAction = AccountAction.ENTRAR;
+                                updateActionButtons();
+                            });
                 })
-                .addOnFailureListener(e ->
-                        Toast.makeText(this, "Falha ao criar conta: " + e.getMessage(), Toast.LENGTH_SHORT).show()
-                );
+                .addOnFailureListener(e -> {
+                    android.util.Log.e("LoginError", "CreateUser failed", e);
+                    Toast.makeText(this, "Falha ao criar conta: " + e.getMessage(), Toast.LENGTH_SHORT).show();
+                });
     }
 
     private void fetchAccountAndNavigate(String email, String fallbackName, String resolvedRole) {
-        if (firestore == null) {
+        if (databaseReference == null) {
             Toast.makeText(this, "Firebase indisponível.", Toast.LENGTH_SHORT).show();
+            navigateToDashboard(email, fallbackName, resolvedRole);
             return;
         }
 
         String documentId = buildDocumentId(email);
-        firestore.collection("users")
-                .document(documentId)
-                .get()
-                .addOnSuccessListener(snapshot -> {
-                    if (snapshot == null || !snapshot.exists()) {
-                        Toast.makeText(this, "Conta não encontrada no Firebase.", Toast.LENGTH_SHORT).show();
-                        return;
-                    }
+        databaseReference.child("users").child(documentId).get().addOnCompleteListener(task -> {
+            if (!task.isSuccessful()) {
+                android.util.Log.e("LoginError", "Database check failed", task.getException());
+                Toast.makeText(this, "Falha ao validar perfil na cloud. A entrar em modo básico.", Toast.LENGTH_SHORT)
+                        .show();
+                navigateToDashboard(email, fallbackName, resolvedRole);
+                return;
+            }
 
-                    String accountTypeInFirebase = snapshot.getString("accountType");
-                    if (accountTypeInFirebase != null
-                            && !accountTypeInFirebase.equalsIgnoreCase(selectedAccountType.name())) {
-                        Toast.makeText(this, "Tipo de conta não corresponde ao registo no Firebase.", Toast.LENGTH_SHORT).show();
-                        return;
-                    }
+            DataSnapshot snapshot = task.getResult();
+            if (snapshot == null || !snapshot.exists()) {
+                Toast.makeText(this, "Conta sem perfil na cloud. A entrar em modo básico.", Toast.LENGTH_SHORT).show();
+                navigateToDashboard(email, fallbackName, resolvedRole);
+                return;
+            }
 
-                    String displayNameFromDb = snapshot.getString("displayName");
-                    String establishmentName = snapshot.getString("establishmentName");
-                    String ownerName = snapshot.getString("ownerName");
-                    String roleFromDb = snapshot.getString("role");
+            String accountTypeInFirebase = snapshot.child("accountType").getValue(String.class);
+            if (accountTypeInFirebase != null
+                    && !accountTypeInFirebase.equalsIgnoreCase(selectedAccountType.name())) {
+                Toast.makeText(this, "Tipo de conta não corresponde ao registo no Firebase.", Toast.LENGTH_SHORT)
+                        .show();
+                return;
+            }
 
-                    String finalDisplayName = !TextUtils.isEmpty(establishmentName)
-                            ? establishmentName
-                            : !TextUtils.isEmpty(displayNameFromDb) ? displayNameFromDb
+            String displayNameFromDb = snapshot.child("displayName").getValue(String.class);
+            String establishmentName = snapshot.child("establishmentName").getValue(String.class);
+            String ownerName = snapshot.child("ownerName").getValue(String.class);
+            String roleFromDb = snapshot.child("role").getValue(String.class);
+
+            String finalDisplayName = !TextUtils.isEmpty(establishmentName)
+                    ? establishmentName
+                    : !TextUtils.isEmpty(displayNameFromDb) ? displayNameFromDb
                             : !TextUtils.isEmpty(ownerName) ? ownerName
-                            : fallbackName;
+                                    : fallbackName;
 
-                    String finalRole = !TextUtils.isEmpty(roleFromDb) ? roleFromDb : resolvedRole;
+            String finalRole = !TextUtils.isEmpty(roleFromDb) ? roleFromDb : resolvedRole;
+            navigateToDashboard(email, finalDisplayName, finalRole);
+        });
+    }
 
-                    Intent nextScreen = selectedAccountType == AccountType.CLIENTE
-                            ? new Intent(this, ClientDashboardActivity.class)
-                            : new Intent(this, EstablishmentDashboardActivity.class);
+    private void navigateToDashboard(String email, String displayName, String role) {
+        Intent nextScreen = selectedAccountType == AccountType.CLIENTE
+                ? new Intent(this, ClientDashboardActivity.class)
+                : new Intent(this, EstablishmentDashboardActivity.class);
 
-                    nextScreen.putExtra(EXTRA_ACTION_MODE, selectedAccountAction.name());
-                    nextScreen.putExtra(EXTRA_DISPLAY_NAME, finalDisplayName);
-                    nextScreen.putExtra(EXTRA_EMAIL, email);
-                    nextScreen.putExtra(EXTRA_ACCOUNT_TYPE, selectedAccountType.name());
-                    nextScreen.putExtra(EXTRA_ROLE, finalRole);
-                    startActivity(nextScreen);
-                })
-                .addOnFailureListener(e ->
-                        Toast.makeText(this, "Erro ao verificar conta no Firebase.", Toast.LENGTH_SHORT).show()
-                );
+        nextScreen.putExtra(EXTRA_ACTION_MODE, selectedAccountAction.name());
+        nextScreen.putExtra(EXTRA_DISPLAY_NAME, displayName);
+        nextScreen.putExtra(EXTRA_EMAIL, email);
+        nextScreen.putExtra(EXTRA_ACCOUNT_TYPE, selectedAccountType.name());
+        nextScreen.putExtra(EXTRA_ROLE, role);
+        startActivity(nextScreen);
     }
 
     private void persistAccountInFirebase(
@@ -396,9 +392,8 @@ public class MainActivity extends AppCompatActivity {
             String establishmentEmail,
             String establishmentPhone,
             String uid,
-            Runnable onSuccess
-    ) {
-        if (firestore == null) {
+            Runnable onSuccess) {
+        if (databaseReference == null) {
             Toast.makeText(this, "Firebase indisponível.", Toast.LENGTH_SHORT).show();
             return;
         }
@@ -423,19 +418,40 @@ public class MainActivity extends AppCompatActivity {
             payload.put("establishmentPhone", establishmentPhone);
         }
 
-        firestore.collection("users")
-                .document(documentId)
-                .set(payload, SetOptions.merge())
-                .addOnSuccessListener(unused ->
-                        {
-                            Toast.makeText(this, "Conta guardada na cloud.", Toast.LENGTH_SHORT).show();
-                            if (onSuccess != null) {
-                                onSuccess.run();
-                            }
-                        }
-                )
-                .addOnFailureListener(e ->
-                        Toast.makeText(this, "Não foi possível guardar na cloud.", Toast.LENGTH_SHORT).show()
-                );
+        databaseReference.child("users").child(documentId).updateChildren(payload)
+                .addOnSuccessListener(unused -> {
+                    Toast.makeText(this, "Conta guardada na cloud.", Toast.LENGTH_SHORT).show();
+                    if (onSuccess != null) {
+                        onSuccess.run();
+                    }
+                })
+                .addOnFailureListener(
+                        e -> Toast.makeText(this, "Não foi possível guardar na cloud.", Toast.LENGTH_SHORT).show());
+    }
+
+    private boolean isValidPassword(String password) {
+        if (password.length() < 6) {
+            Toast.makeText(this, "A palavra-passe deve ter pelo menos 6 caracteres.", Toast.LENGTH_SHORT).show();
+            return false;
+        }
+        boolean hasLower = false;
+        boolean hasDigit = false;
+        boolean hasSpecial = false;
+
+        for (char c : password.toCharArray()) {
+            if (Character.isLowerCase(c))
+                hasLower = true;
+            else if (Character.isDigit(c))
+                hasDigit = true;
+            else if (!Character.isLetterOrDigit(c))
+                hasSpecial = true;
+        }
+
+        if (!hasLower || !hasDigit || !hasSpecial) {
+            Toast.makeText(this, "A palavra-passe deve conter minúsculas, números e símbolos.", Toast.LENGTH_LONG)
+                    .show();
+            return false;
+        }
+        return true;
     }
 }

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

@@ -0,0 +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

@@ -0,0 +1,51 @@
+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 mesa, String id) {
+        this.name = name;
+        this.zona = zona;
+        this.mesa = mesa;
+        this.id = id;
+    }
+
+    public Staff() {
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getZona() {
+        return zona;
+    }
+
+    public void setZona(String zona) {
+        this.zona = zona;
+    }
+
+    public String getMesa() {
+        return mesa;
+    }
+
+    public void setMesa(String mesa) {
+        this.mesa = mesa;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+}

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

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".AddStaffActivity">
+
+    <EditText
+        android:id="@+id/nammeEditText"
+        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"
+        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"
+        android:layout_height="wrap_content"
+        android:text="Button"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -67,15 +67,13 @@
             android:textSize="16sp"
             android:textStyle="bold" />
 
-        <EditText
-            android:id="@+id/inputNomeStaff"
+        <Spinner
+            android:id="@+id/spinnerNomeStaff"
             android:layout_width="match_parent"
             android:layout_height="48dp"
             android:layout_marginTop="12dp"
             android:background="@drawable/input_bg"
-            android:hint="Nome do funcionário"
-            android:inputType="textPersonName"
-            android:padding="12dp" />
+            android:padding="0dp" />
 
         <Spinner
             android:id="@+id/spinnerMesaStaff"
@@ -130,7 +128,21 @@
         app:layout_constraintTop_toBottomOf="@id/txtListaStaffTitulo"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent" />
+        app:layout_constraintEnd_toEndOf="parent" >
+
+
+    </ListView>
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/floatingActionButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="32dp"
+        android:layout_marginBottom="32dp"
+        android:clickable="true"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        tools:srcCompat="@tools:sample/avatars" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>
 

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

@@ -153,7 +153,8 @@
                         android:background="@drawable/input_bg"
                         android:hint="Email"
                         android:inputType="textEmailAddress"
-                        android:padding="12dp" />
+                        android:padding="12dp"
+                        android:text="EstabelecimentoPap@gmail.com" />
 
                     <EditText
                         android:id="@+id/inputOwnerPhone"
@@ -207,7 +208,8 @@
                         android:background="@drawable/input_bg"
                         android:hint="Palavra-passe"
                         android:inputType="textPassword"
-                        android:padding="12dp" />
+                        android:padding="12dp"
+                        android:text="PaP@P.1" />
 
                     <Button
                         android:id="@+id/btnFinalCriarConta"

gradle.properties

@@ -19,3 +19,13 @@ android.useAndroidX=true
 # resources declared in the library itself and none from the library's dependencies,
 # thereby reducing the size of the R class for that library
 android.nonTransitiveRClass=true
+android.defaults.buildfeatures.resvalues=true
+android.sdk.defaultTargetSdkToCompileSdkIfUnset=false
+android.enableAppCompileTimeRClass=false
+android.usesSdkInManifest.disallowed=false
+android.uniquePackageNames=false
+android.dependency.useConstraints=true
+android.r8.strictFullModeForKeepRules=false
+android.r8.optimizedResourceShrinking=false
+android.builtInKotlin=false
+android.newDsl=false

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-agp = "8.13.2"
+agp = "9.0.1"
 junit = "4.13.2"
 junitVersion = "1.3.0"
 espressoCore = "3.7.0"
@@ -10,6 +10,7 @@ activity = "1.11.0"
 constraintlayout = "2.2.1"
 firebaseBom = "33.7.0"
 googleServices = "4.4.2"
+firebaseDatabase = "22.0.1"
 
 [libraries]
 junit = { group = "junit", name = "junit", version.ref = "junit" }
@@ -21,6 +22,7 @@ material = { group = "com.google.android.material", name = "material", version.r
 activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
 constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
 firebase-bom = { group = "com.google.firebase", name = "firebase-bom", version.ref = "firebaseBom" }
+firebase-database = { group = "com.google.firebase", name = "firebase-database", version.ref = "firebaseDatabase" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Tue Jan 20 14:11:23 WET 2026
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists