.

app/src/main/AndroidManifest.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@drawable/ic_logo"
+        android:label="@string/app_name"
+        android:roundIcon="@drawable/ic_logo"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Cuida"
+        tools:targetApi="31">
+        
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- Launcher Intent Filter handled in LoginActivity usually, but for now we might start Main -->
+        </activity>
+
+        <activity android:name=".ui.auth.LoginActivity" android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        
+        <activity android:name=".ui.auth.RegisterActivity" />
+        <activity android:name=".ui.auth.ForgotPasswordActivity" />
+
+    </application>
+
+</manifest>

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

@@ -0,0 +1,55 @@
+package com.example.cuida;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.navigation.NavController;
+import androidx.navigation.fragment.NavHostFragment;
+import androidx.navigation.ui.AppBarConfiguration;
+import androidx.navigation.ui.NavigationUI;
+import com.example.cuida.databinding.ActivityMainBinding;
+import com.google.android.material.bottomnavigation.BottomNavigationView;
+import com.example.cuida.ui.auth.LoginActivity;
+
+public class MainActivity extends AppCompatActivity {
+
+    private ActivityMainBinding binding;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Check if user is logged in
+        boolean isLoggedIn = getSharedPreferences("prefs", Context.MODE_PRIVATE)
+                .getBoolean("is_logged_in", false);
+
+        if (!isLoggedIn) {
+            Intent intent = new Intent(this, LoginActivity.class);
+            startActivity(intent);
+            finish();
+            return;
+        }
+
+        binding = ActivityMainBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        BottomNavigationView navView = binding.navView;
+
+        NavHostFragment navHostFragment = (NavHostFragment) getSupportFragmentManager()
+                .findFragmentById(R.id.nav_host_fragment);
+
+        if (navHostFragment != null) {
+            NavController navController = navHostFragment.getNavController();
+            // Passing each menu ID as a set of Ids because each
+            // menu should be considered as top level destinations.
+            AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder(
+                    R.id.navigation_home, R.id.navigation_appointments, R.id.navigation_medication,
+                    R.id.navigation_sns24, R.id.navigation_profile)
+                    .build();
+            // NavigationUI.setupActionBarWithNavController(this, navController,
+            // appBarConfiguration);
+            NavigationUI.setupWithNavController(binding.navView, navController);
+        }
+    }
+}

app/src/main/java/com/example/cuida/data/AppDatabase.java

@@ -0,0 +1,65 @@
+package com.example.cuida.data;
+
+import android.content.Context;
+import androidx.room.Database;
+import androidx.room.Room;
+import androidx.room.RoomDatabase;
+import androidx.sqlite.db.SupportSQLiteDatabase;
+import androidx.annotation.NonNull;
+import com.example.cuida.data.dao.UserDao;
+import com.example.cuida.data.dao.AppointmentDao;
+import com.example.cuida.data.dao.MedicationDao;
+import com.example.cuida.data.model.User;
+import com.example.cuida.data.model.Appointment;
+import com.example.cuida.data.model.Medication;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+@Database(entities = { User.class, Appointment.class, Medication.class }, version = 3, exportSchema = false)
+public abstract class AppDatabase extends RoomDatabase {
+
+    public abstract UserDao userDao();
+
+    public abstract AppointmentDao appointmentDao();
+
+    public abstract MedicationDao medicationDao();
+
+    private static volatile AppDatabase INSTANCE;
+    private static final int NUMBER_OF_THREADS = 4;
+    public static final ExecutorService databaseWriteExecutor = Executors.newFixedThreadPool(NUMBER_OF_THREADS);
+
+    public static AppDatabase getDatabase(final Context context) {
+        if (INSTANCE == null) {
+            synchronized (AppDatabase.class) {
+                if (INSTANCE == null) {
+                    INSTANCE = Room.databaseBuilder(context.getApplicationContext(),
+                            AppDatabase.class, "cuida_database")
+                            .fallbackToDestructiveMigration()
+                            .addCallback(sRoomDatabaseCallback)
+                            .build();
+                }
+            }
+        }
+        return INSTANCE;
+    }
+
+    private static RoomDatabase.Callback sRoomDatabaseCallback = new RoomDatabase.Callback() {
+        @Override
+        public void onCreate(@NonNull SupportSQLiteDatabase db) {
+            super.onCreate(db);
+            databaseWriteExecutor.execute(() -> {
+                // Populate the database in the background.
+
+                MedicationDao medDao = INSTANCE.medicationDao();
+                medDao.insert(new Medication("Paracetamol", "08:00", "1 comp", "Tomar com água"));
+                medDao.insert(new Medication("Ibuprofeno", "14:00", "1 comp", "Após refeição"));
+                medDao.insert(new Medication("Vitamina C", "20:00", "1 comp", "Antes de dormir"));
+
+                AppointmentDao apptDao = INSTANCE.appointmentDao();
+                apptDao.insert(new Appointment("Medicina Geral", "25/01/2026", "10:00", false));
+                apptDao.insert(new Appointment("Cardiologia", "02/02/2026", "15:30", false));
+                apptDao.insert(new Appointment("Oftalmologia", "10/01/2025", "09:00", true));
+            });
+        }
+    };
+}

app/src/main/java/com/example/cuida/data/dao/AppointmentDao.java

@@ -0,0 +1,23 @@
+package com.example.cuida.data.dao;
+
+import androidx.lifecycle.LiveData;
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+import com.example.cuida.data.model.Appointment;
+import java.util.List;
+
+@Dao
+public interface AppointmentDao {
+    @Insert
+    void insert(Appointment appointment);
+
+    @Query("SELECT * FROM appointments WHERE isPast = 0 ORDER BY date ASC, time ASC")
+    LiveData<List<Appointment>> getFutureAppointments();
+
+    @Query("SELECT * FROM appointments WHERE isPast = 1 ORDER BY date DESC, time DESC")
+    LiveData<List<Appointment>> getPastAppointments();
+
+    @Query("SELECT time FROM appointments WHERE date = :date")
+    List<String> getBookedTimesForDate(String date);
+}

app/src/main/java/com/example/cuida/data/dao/MedicationDao.java

@@ -0,0 +1,23 @@
+package com.example.cuida.data.dao;
+
+import androidx.lifecycle.LiveData;
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+import com.example.cuida.data.model.Medication;
+import java.util.List;
+
+@Dao
+public interface MedicationDao {
+    @Insert
+    void insert(Medication medication);
+
+    @androidx.room.Update
+    void update(Medication medication);
+
+    @Query("SELECT * FROM medications ORDER BY time ASC")
+    LiveData<List<Medication>> getAllMedications();
+
+    @Query("SELECT * FROM medications ORDER BY time ASC LIMIT 1")
+    LiveData<Medication> getNextMedication();
+}

app/src/main/java/com/example/cuida/data/dao/UserDao.java

@@ -0,0 +1,26 @@
+package com.example.cuida.data.dao;
+
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+import androidx.room.Update;
+import androidx.room.OnConflictStrategy;
+import com.example.cuida.data.model.User;
+
+@Dao
+public interface UserDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    void insert(User user);
+
+    @Update
+    void update(User user);
+
+    @Query("SELECT * FROM users WHERE email = :email AND password = :password LIMIT 1")
+    User login(String email, String password);
+
+    @Query("SELECT * FROM users WHERE email = :email LIMIT 1")
+    User checkUser(String email);
+
+    @Query("delete from users")
+    void deleteAll();
+}

app/src/main/java/com/example/cuida/data/model/Appointment.java

@@ -0,0 +1,22 @@
+package com.example.cuida.data.model;
+
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+
+@Entity(tableName = "appointments")
+public class Appointment {
+    @PrimaryKey(autoGenerate = true)
+    public int id;
+
+    public String type; // e.g. "Medicina Geral", "Cardiologia"
+    public String date; // dd/MM/yyyy
+    public String time; // HH:mm
+    public boolean isPast;
+
+    public Appointment(String type, String date, String time, boolean isPast) {
+        this.type = type;
+        this.date = date;
+        this.time = time;
+        this.isPast = isPast;
+    }
+}

app/src/main/java/com/example/cuida/data/model/Medication.java

@@ -0,0 +1,24 @@
+package com.example.cuida.data.model;
+
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+
+@Entity(tableName = "medications")
+public class Medication {
+    @PrimaryKey(autoGenerate = true)
+    public int id;
+
+    public String name;
+    public String time; // HH:mm
+    public String dosage; // e.g. "1 compprimido"
+    public String notes;
+    public boolean isTaken;
+
+    public Medication(String name, String time, String dosage, String notes) {
+        this.name = name;
+        this.time = time;
+        this.dosage = dosage;
+        this.notes = notes;
+        this.isTaken = false;
+    }
+}

app/src/main/java/com/example/cuida/data/model/User.java

@@ -0,0 +1,24 @@
+package com.example.cuida.data.model;
+
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+
+@Entity(tableName = "users")
+public class User {
+    @PrimaryKey(autoGenerate = true)
+    public int uid;
+
+    public String name;
+    public String email;
+    public String password;
+    public int age;
+    public String utenteNumber;
+
+    public User(String name, String email, String password, int age, String utenteNumber) {
+        this.name = name;
+        this.email = email;
+        this.password = password;
+        this.age = age;
+        this.utenteNumber = utenteNumber;
+    }
+}

app/src/main/java/com/example/cuida/ui/appointments/AppointmentAdapter.java

@@ -0,0 +1,53 @@
+package com.example.cuida.ui.appointments;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+import com.example.cuida.R;
+import com.example.cuida.data.model.Appointment;
+import java.util.ArrayList;
+import java.util.List;
+
+public class AppointmentAdapter extends RecyclerView.Adapter<AppointmentAdapter.AppointmentViewHolder> {
+
+    private List<Appointment> appointmentList = new ArrayList<>();
+
+    public void setAppointments(List<Appointment> appointments) {
+        this.appointmentList = appointments;
+        notifyDataSetChanged();
+    }
+
+    @NonNull
+    @Override
+    public AppointmentViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_appointment, parent, false);
+        return new AppointmentViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull AppointmentViewHolder holder, int position) {
+        Appointment appointment = appointmentList.get(position);
+        holder.textType.setText(appointment.type);
+        holder.textDate.setText(appointment.date);
+        holder.textTime.setText(appointment.time);
+    }
+
+    @Override
+    public int getItemCount() {
+        return appointmentList.size();
+    }
+
+    public static class AppointmentViewHolder extends RecyclerView.ViewHolder {
+        TextView textType, textDate, textTime;
+
+        public AppointmentViewHolder(@NonNull View itemView) {
+            super(itemView);
+            textType = itemView.findViewById(R.id.text_type);
+            textDate = itemView.findViewById(R.id.text_date);
+            textTime = itemView.findViewById(R.id.text_time);
+        }
+    }
+}

app/src/main/java/com/example/cuida/ui/appointments/AppointmentsFragment.java

@@ -0,0 +1,56 @@
+package com.example.cuida.ui.appointments;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.LinearLayoutManager;
+
+import com.example.cuida.R;
+import com.example.cuida.databinding.FragmentAppointmentsBinding;
+
+public class AppointmentsFragment extends Fragment {
+
+    private FragmentAppointmentsBinding binding;
+    private AppointmentsViewModel appointmentsViewModel;
+
+    public View onCreateView(@NonNull LayoutInflater inflater,
+            ViewGroup container, Bundle savedInstanceState) {
+        appointmentsViewModel = new ViewModelProvider(this).get(AppointmentsViewModel.class);
+
+        binding = FragmentAppointmentsBinding.inflate(inflater, container, false);
+
+        // Future Appointments
+        AppointmentAdapter futureAdapter = new AppointmentAdapter();
+        binding.recyclerAppointmentsFuture.setLayoutManager(new LinearLayoutManager(getContext()));
+        binding.recyclerAppointmentsFuture.setAdapter(futureAdapter);
+
+        appointmentsViewModel.getFutureAppointments().observe(getViewLifecycleOwner(), appointments -> {
+            futureAdapter.setAppointments(appointments);
+        });
+
+        // Past Appointments
+        AppointmentAdapter pastAdapter = new AppointmentAdapter();
+        binding.recyclerAppointmentsPast.setLayoutManager(new LinearLayoutManager(getContext()));
+        binding.recyclerAppointmentsPast.setAdapter(pastAdapter);
+
+        appointmentsViewModel.getPastAppointments().observe(getViewLifecycleOwner(), appointments -> {
+            pastAdapter.setAppointments(appointments);
+        });
+
+        binding.fabAddAppointment.setOnClickListener(v -> {
+            androidx.navigation.Navigation.findNavController(v).navigate(R.id.action_appointments_to_schedule);
+        });
+
+        return binding.getRoot();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        binding = null;
+    }
+}

app/src/main/java/com/example/cuida/ui/appointments/AppointmentsViewModel.java

@@ -0,0 +1,41 @@
+package com.example.cuida.ui.appointments;
+
+import android.app.Application;
+import androidx.annotation.NonNull;
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+import com.example.cuida.data.AppDatabase;
+import com.example.cuida.data.dao.AppointmentDao;
+import com.example.cuida.data.model.Appointment;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class AppointmentsViewModel extends AndroidViewModel {
+
+    private final AppointmentDao appointmentDao;
+    private final LiveData<List<Appointment>> futureAppointments;
+    private final LiveData<List<Appointment>> pastAppointments;
+    private final ExecutorService executorService;
+
+    public AppointmentsViewModel(@NonNull Application application) {
+        super(application);
+        AppDatabase db = AppDatabase.getDatabase(application);
+        appointmentDao = db.appointmentDao();
+        futureAppointments = appointmentDao.getFutureAppointments();
+        pastAppointments = appointmentDao.getPastAppointments();
+        executorService = Executors.newSingleThreadExecutor();
+    }
+
+    public LiveData<List<Appointment>> getFutureAppointments() {
+        return futureAppointments;
+    }
+
+    public LiveData<List<Appointment>> getPastAppointments() {
+        return pastAppointments;
+    }
+
+    public void insert(Appointment appointment) {
+        executorService.execute(() -> appointmentDao.insert(appointment));
+    }
+}

app/src/main/java/com/example/cuida/ui/auth/ForgotPasswordActivity.java

@@ -0,0 +1,31 @@
+package com.example.cuida.ui.auth;
+
+import android.os.Bundle;
+import android.widget.Toast;
+import androidx.appcompat.app.AppCompatActivity;
+import com.example.cuida.databinding.ActivityForgotPasswordBinding;
+
+public class ForgotPasswordActivity extends AppCompatActivity {
+
+    private ActivityForgotPasswordBinding binding;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        binding = ActivityForgotPasswordBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        binding.resetButton.setOnClickListener(v -> {
+            String email = binding.emailEditText.getText().toString();
+            if (email.isEmpty()) {
+                Toast.makeText(this, "Por favor insira o seu email.", Toast.LENGTH_SHORT).show();
+            } else {
+                // Mock reset logic
+                Toast.makeText(this, "Email de recuperação enviado para " + email, Toast.LENGTH_LONG).show();
+                finish();
+            }
+        });
+
+        binding.backToLogin.setOnClickListener(v -> finish());
+    }
+}

app/src/main/java/com/example/cuida/ui/auth/LoginActivity.java

@@ -0,0 +1,66 @@
+package com.example.cuida.ui.auth;
+
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.widget.Toast;
+import androidx.appcompat.app.AppCompatActivity;
+import com.example.cuida.MainActivity;
+import com.example.cuida.data.AppDatabase;
+import com.example.cuida.data.dao.UserDao;
+import com.example.cuida.data.model.User;
+import com.example.cuida.databinding.ActivityLoginBinding;
+
+public class LoginActivity extends AppCompatActivity {
+
+    private ActivityLoginBinding binding;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        binding = ActivityLoginBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        binding.loginButton.setOnClickListener(v -> login());
+        binding.registerLink.setOnClickListener(v -> {
+            startActivity(new Intent(this, RegisterActivity.class));
+            finish();
+        });
+
+        binding.forgotPasswordLink.setOnClickListener(v -> {
+            startActivity(new Intent(this, ForgotPasswordActivity.class));
+        });
+    }
+
+    private void login() {
+        String email = binding.emailEditText.getText().toString();
+        String password = binding.passwordEditText.getText().toString();
+
+        if (email.isEmpty() || password.isEmpty()) {
+            Toast.makeText(this, "Preencha todos os campos", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        AppDatabase db = AppDatabase.getDatabase(getApplicationContext());
+        UserDao userDao = db.userDao();
+
+        AppDatabase.databaseWriteExecutor.execute(() -> {
+            User user = userDao.login(email, password);
+            runOnUiThread(() -> {
+                if (user != null) {
+                    // Login Success
+                    SharedPreferences prefs = getSharedPreferences("prefs", MODE_PRIVATE);
+                    prefs.edit().putBoolean("is_logged_in", true).apply();
+                    prefs.edit().putString("user_name", user.name).apply();
+                    prefs.edit().putString("user_email", user.email).apply();
+
+                    Toast.makeText(this, "Bem-vindo " + user.name, Toast.LENGTH_SHORT).show();
+                    startActivity(new Intent(this, MainActivity.class));
+                    finish();
+                } else {
+                    Toast.makeText(this, "Credenciais inválidas", Toast.LENGTH_SHORT).show();
+                }
+            });
+        });
+    }
+}

app/src/main/java/com/example/cuida/ui/auth/RegisterActivity.java

@@ -0,0 +1,61 @@
+package com.example.cuida.ui.auth;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Toast;
+import androidx.appcompat.app.AppCompatActivity;
+import com.example.cuida.data.AppDatabase;
+import com.example.cuida.data.dao.UserDao;
+import com.example.cuida.data.model.User;
+import com.example.cuida.databinding.ActivityRegisterBinding;
+
+public class RegisterActivity extends AppCompatActivity {
+
+    private ActivityRegisterBinding binding;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        binding = ActivityRegisterBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        binding.registerButton.setOnClickListener(v -> register());
+        binding.loginLink.setOnClickListener(v -> {
+            startActivity(new Intent(this, LoginActivity.class));
+            finish();
+        });
+    }
+
+    private void register() {
+        String name = binding.nameEditText.getText().toString();
+        String ageStr = binding.ageEditText.getText().toString();
+        String utenteStr = binding.utenteEditText.getText().toString();
+        String email = binding.emailEditText.getText().toString();
+        String password = binding.passwordEditText.getText().toString();
+
+        if (name.isEmpty() || ageStr.isEmpty() || email.isEmpty() || password.isEmpty() || utenteStr.isEmpty()) {
+            Toast.makeText(this, "Preencha todos os campos", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        int age = Integer.parseInt(ageStr);
+
+        AppDatabase db = AppDatabase.getDatabase(getApplicationContext());
+        UserDao userDao = db.userDao();
+
+        AppDatabase.databaseWriteExecutor.execute(() -> {
+            User existing = userDao.checkUser(email);
+            if (existing != null) {
+                runOnUiThread(() -> Toast.makeText(this, "Email já registado", Toast.LENGTH_SHORT).show());
+            } else {
+                User newUser = new User(name, email, password, age, utenteStr);
+                userDao.insert(newUser);
+                runOnUiThread(() -> {
+                    Toast.makeText(this, "Conta criada com sucesso!", Toast.LENGTH_SHORT).show();
+                    startActivity(new Intent(this, LoginActivity.class));
+                    finish();
+                });
+            }
+        });
+    }
+}

app/src/main/java/com/example/cuida/ui/home/HomeFragment.java

@@ -0,0 +1,89 @@
+package com.example.cuida.ui.home;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.app.TimePickerDialog;
+import android.widget.Toast;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+import com.example.cuida.databinding.FragmentHomeBinding;
+import com.example.cuida.ui.medication.MedicationViewModel;
+import com.example.cuida.ui.appointments.AppointmentsViewModel;
+import com.example.cuida.data.model.Appointment;
+import java.util.Calendar;
+import java.util.Locale;
+
+public class HomeFragment extends Fragment {
+
+    private FragmentHomeBinding binding;
+    private MedicationViewModel medicationViewModel;
+    private AppointmentsViewModel appointmentsViewModel;
+
+    public View onCreateView(@NonNull LayoutInflater inflater,
+            ViewGroup container, Bundle savedInstanceState) {
+        binding = FragmentHomeBinding.inflate(inflater, container, false);
+
+        // --- Greeting ---
+        SharedPreferences prefs = requireContext().getSharedPreferences("prefs", Context.MODE_PRIVATE);
+        String name = prefs.getString("user_name", "Utilizador");
+        binding.textGreeting.setText("Olá, " + name + "!");
+
+        // --- Next Medication ---
+        medicationViewModel = new ViewModelProvider(this).get(MedicationViewModel.class);
+        medicationViewModel.getNextMedication().observe(getViewLifecycleOwner(), medication -> {
+            if (medication != null) {
+                binding.nextMedName.setText(medication.name + " (" + medication.dosage + ")");
+                binding.nextMedTime.setText("Hoje, " + medication.time);
+            } else {
+                binding.nextMedName.setText("Sem medicação");
+                binding.nextMedTime.setText("--:--");
+            }
+        });
+
+        // --- Book Appointment ---
+        appointmentsViewModel = new ViewModelProvider(this).get(AppointmentsViewModel.class);
+        binding.buttonBookAppointment.setOnClickListener(v -> showTimePicker());
+
+        return binding.getRoot();
+    }
+
+    private void showTimePicker() {
+        Calendar mcurrentTime = Calendar.getInstance();
+        int hour = mcurrentTime.get(Calendar.HOUR_OF_DAY);
+        int minute = mcurrentTime.get(Calendar.MINUTE);
+
+        TimePickerDialog mTimePicker;
+        mTimePicker = new TimePickerDialog(getContext(), (timePicker, selectedHour, selectedMinute) -> {
+            // Round to 15 minutes
+            int roundedMinute = (selectedMinute / 15) * 15;
+            String time = String.format(Locale.getDefault(), "%02d:%02d", selectedHour, roundedMinute);
+
+            // For MVP, assume date is tomorrow (or let user pick date, but brief said
+            // "Hora" mostly)
+            // Let's assume a default date for now or just "Amanhã" text logic
+            String date = "Amanhã";
+
+            // Save to DB
+            Appointment newAppt = new Appointment("Consulta Geral", date, time, false);
+            appointmentsViewModel.insert(newAppt);
+
+            binding.buttonBookAppointment.setText("Consulta marcada: " + time);
+            Toast.makeText(getContext(), "Consulta marcada para " + time, Toast.LENGTH_SHORT).show();
+
+        }, hour, minute, true);
+
+        mTimePicker.setTitle("Selecione a hora");
+        mTimePicker.show();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        binding = null;
+    }
+}

app/src/main/java/com/example/cuida/ui/medication/MedicationAdapter.java

@@ -0,0 +1,76 @@
+package com.example.cuida.ui.medication;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.TextView;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+import com.example.cuida.R;
+import com.example.cuida.data.model.Medication;
+import java.util.ArrayList;
+import java.util.List;
+
+public class MedicationAdapter extends RecyclerView.Adapter<MedicationAdapter.MedicationViewHolder> {
+
+    private List<Medication> medicationList = new ArrayList<>();
+    private final OnItemClickListener listener;
+
+    public interface OnItemClickListener {
+        void onCheckClick(Medication medication);
+    }
+
+    public MedicationAdapter(OnItemClickListener listener) {
+        this.listener = listener;
+    }
+
+    public void setMedications(List<Medication> medications) {
+        this.medicationList = medications;
+        notifyDataSetChanged();
+    }
+
+    @NonNull
+    @Override
+    public MedicationViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_medication, parent, false);
+        return new MedicationViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull MedicationViewHolder holder, int position) {
+        Medication medication = medicationList.get(position);
+        holder.textName.setText(medication.name);
+        holder.textDosage.setText(medication.dosage);
+        holder.textTime.setText(medication.time);
+        holder.textNotes.setText(medication.notes);
+
+        // Remove listener temporarily to avoid triggering it during bind
+        holder.checkBoxTaken.setOnCheckedChangeListener(null);
+        holder.checkBoxTaken.setChecked(medication.isTaken);
+
+        holder.checkBoxTaken.setOnCheckedChangeListener((buttonView, isChecked) -> {
+            medication.isTaken = isChecked;
+            listener.onCheckClick(medication);
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return medicationList.size();
+    }
+
+    public static class MedicationViewHolder extends RecyclerView.ViewHolder {
+        TextView textName, textDosage, textTime, textNotes;
+        CheckBox checkBoxTaken;
+
+        public MedicationViewHolder(@NonNull View itemView) {
+            super(itemView);
+            textName = itemView.findViewById(R.id.text_med_name);
+            textDosage = itemView.findViewById(R.id.text_med_dosage);
+            textTime = itemView.findViewById(R.id.text_med_time);
+            textNotes = itemView.findViewById(R.id.text_med_notes);
+            checkBoxTaken = itemView.findViewById(R.id.checkbox_taken);
+        }
+    }
+}

app/src/main/java/com/example/cuida/ui/medication/MedicationFragment.java

@@ -0,0 +1,42 @@
+package com.example.cuida.ui.medication;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import com.example.cuida.databinding.FragmentMedicationBinding;
+
+public class MedicationFragment extends Fragment {
+
+    private FragmentMedicationBinding binding;
+    private MedicationViewModel medicationViewModel;
+
+    public View onCreateView(@NonNull LayoutInflater inflater,
+            ViewGroup container, Bundle savedInstanceState) {
+        medicationViewModel = new ViewModelProvider(this).get(MedicationViewModel.class);
+
+        binding = FragmentMedicationBinding.inflate(inflater, container, false);
+
+        MedicationAdapter adapter = new MedicationAdapter(medication -> {
+            medicationViewModel.update(medication);
+        });
+        binding.recyclerMedication.setLayoutManager(new LinearLayoutManager(getContext()));
+        binding.recyclerMedication.setAdapter(adapter);
+
+        medicationViewModel.getAllMedications().observe(getViewLifecycleOwner(), medications -> {
+            adapter.setMedications(medications);
+        });
+
+        return binding.getRoot();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        binding = null;
+    }
+}

app/src/main/java/com/example/cuida/ui/medication/MedicationViewModel.java

@@ -0,0 +1,38 @@
+package com.example.cuida.ui.medication;
+
+import android.app.Application;
+import androidx.annotation.NonNull;
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+import com.example.cuida.data.AppDatabase;
+import com.example.cuida.data.dao.MedicationDao;
+import com.example.cuida.data.model.Medication;
+import java.util.List;
+
+public class MedicationViewModel extends AndroidViewModel {
+
+    private final LiveData<List<Medication>> allMedications;
+    private final LiveData<Medication> nextMedication;
+
+    public MedicationViewModel(@NonNull Application application) {
+        super(application);
+        AppDatabase db = AppDatabase.getDatabase(application);
+        MedicationDao medicationDao = db.medicationDao();
+        allMedications = medicationDao.getAllMedications();
+        nextMedication = medicationDao.getNextMedication();
+    }
+
+    public LiveData<List<Medication>> getAllMedications() {
+        return allMedications;
+    }
+
+    public LiveData<Medication> getNextMedication() {
+        return nextMedication;
+    }
+
+    public void update(Medication medication) {
+        AppDatabase.databaseWriteExecutor.execute(() -> {
+            AppDatabase.getDatabase(getApplication()).medicationDao().update(medication);
+        });
+    }
+}

app/src/main/java/com/example/cuida/ui/profile/ProfileFragment.java

@@ -0,0 +1,150 @@
+package com.example.cuida.ui.profile;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import com.example.cuida.data.AppDatabase;
+import com.example.cuida.data.dao.UserDao;
+import com.example.cuida.data.model.User;
+import com.example.cuida.R;
+import com.example.cuida.databinding.FragmentProfileBinding;
+import com.example.cuida.ui.auth.LoginActivity;
+
+public class ProfileFragment extends Fragment {
+
+    private FragmentProfileBinding binding;
+    private User currentUser;
+    private UserDao userDao;
+
+    public View onCreateView(@NonNull LayoutInflater inflater,
+            ViewGroup container, Bundle savedInstanceState) {
+        binding = FragmentProfileBinding.inflate(inflater, container, false);
+
+        userDao = AppDatabase.getDatabase(requireContext()).userDao();
+        loadUserData();
+
+        binding.buttonEditProfile.setOnClickListener(v -> showEditDialog());
+
+        binding.buttonLogout.setOnClickListener(v -> {
+            getContext().getSharedPreferences("prefs", Context.MODE_PRIVATE).edit().clear().apply();
+            Intent intent = new Intent(getContext(), LoginActivity.class);
+            startActivity(intent);
+            getActivity().finish();
+        });
+
+        return binding.getRoot();
+    }
+
+    private void loadUserData() {
+        SharedPreferences prefs = requireContext().getSharedPreferences("prefs", Context.MODE_PRIVATE);
+        String email = prefs.getString("user_email", "");
+
+        AppDatabase.databaseWriteExecutor.execute(() -> {
+            currentUser = userDao.checkUser(email);
+            if (currentUser != null) {
+                getActivity().runOnUiThread(() -> {
+                    binding.profileName.setText(currentUser.name);
+                    binding.profileEmail.setText(currentUser.email);
+                    binding.profileAge.setText(String.valueOf(currentUser.age));
+                    binding.profileUtente.setText(currentUser.utenteNumber != null ? currentUser.utenteNumber : "N/A");
+                });
+            }
+        });
+    }
+
+    private void showEditDialog() {
+        if (currentUser == null)
+            return;
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
+
+        // Inflate custom layout
+        LayoutInflater inflater = requireActivity().getLayoutInflater();
+        View dialogView = inflater.inflate(R.layout.dialog_edit_profile, null);
+        builder.setView(dialogView);
+
+        AlertDialog dialog = builder.create();
+
+        // Bind Views
+        EditText editName = dialogView.findViewById(R.id.edit_name);
+        EditText editAge = dialogView.findViewById(R.id.edit_age);
+        EditText editUtente = dialogView.findViewById(R.id.edit_utente);
+        EditText editEmail = dialogView.findViewById(R.id.edit_email);
+        EditText editPassword = dialogView.findViewById(R.id.edit_password);
+        View btnSave = dialogView.findViewById(R.id.button_save);
+        View btnCancel = dialogView.findViewById(R.id.button_cancel);
+
+        // Pre-fill data
+        editName.setText(currentUser.name);
+        editAge.setText(String.valueOf(currentUser.age));
+        editUtente.setText(currentUser.utenteNumber);
+        editEmail.setText(currentUser.email);
+        editPassword.setText(currentUser.password);
+
+        btnSave.setOnClickListener(v -> {
+            String newName = editName.getText().toString();
+            String ageStr = editAge.getText().toString();
+            String newUtente = editUtente.getText().toString();
+            String newEmail = editEmail.getText().toString();
+            String newPassword = editPassword.getText().toString();
+
+            if (newName.isEmpty() || ageStr.isEmpty() || newUtente.isEmpty() || newEmail.isEmpty()
+                    || newPassword.isEmpty()) {
+                Toast.makeText(getContext(), "Preencha todos os campos", Toast.LENGTH_SHORT).show();
+                return;
+            }
+
+            int newAge = Integer.parseInt(ageStr);
+            boolean emailChanged = !newEmail.equals(currentUser.email);
+
+            currentUser.name = newName;
+            currentUser.age = newAge;
+            currentUser.utenteNumber = newUtente;
+            currentUser.email = newEmail;
+            currentUser.password = newPassword;
+
+            AppDatabase.databaseWriteExecutor.execute(() -> {
+                userDao.insert(currentUser);
+            });
+
+            // Update SharedPreferences if email changed (key for login persistence)
+            if (emailChanged) {
+                getContext().getSharedPreferences("prefs", Context.MODE_PRIVATE)
+                        .edit()
+                        .putString("user_email", newEmail)
+                        .apply();
+            }
+
+            // UI update
+            binding.profileName.setText(newName);
+            binding.profileEmail.setText(newEmail);
+            binding.profileAge.setText(String.valueOf(newAge));
+            binding.profileUtente.setText(newUtente);
+
+            Toast.makeText(getContext(), "Dados atualizados com sucesso!", Toast.LENGTH_SHORT).show();
+            dialog.dismiss();
+        });
+
+        btnCancel.setOnClickListener(v -> dialog.dismiss());
+
+        dialog.show();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        binding = null;
+    }
+}

app/src/main/java/com/example/cuida/ui/schedule/ScheduleAppointmentFragment.java

@@ -0,0 +1,85 @@
+package com.example.cuida.ui.schedule;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.DatePicker;
+import android.widget.Toast;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import com.example.cuida.R;
+import java.util.Calendar;
+
+public class ScheduleAppointmentFragment extends Fragment {
+
+    private ScheduleViewModel scheduleViewModel;
+    private DatePicker datePicker;
+    private RecyclerView recyclerTimeSlots;
+    private Button btnConfirm;
+    private TimeSlotAdapter timeSlotAdapter;
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+        View root = inflater.inflate(R.layout.fragment_schedule_appointment, container, false);
+
+        scheduleViewModel = new ViewModelProvider(this).get(ScheduleViewModel.class);
+
+        datePicker = root.findViewById(R.id.datePicker);
+        recyclerTimeSlots = root.findViewById(R.id.recycler_time_slots);
+        btnConfirm = root.findViewById(R.id.btn_confirm_appointment);
+
+        setupDatePicker();
+        setupRecyclerView();
+        setupObservers();
+
+        btnConfirm.setOnClickListener(v -> scheduleViewModel.confirmAppointment());
+
+        return root;
+    }
+
+    private void setupDatePicker() {
+        Calendar today = Calendar.getInstance();
+        datePicker.init(today.get(Calendar.YEAR), today.get(Calendar.MONTH),
+                today.get(Calendar.DAY_OF_MONTH), (view, year, monthOfYear, dayOfMonth) -> {
+                    scheduleViewModel.setDate(year, monthOfYear, dayOfMonth);
+                });
+
+        // Set initial valid date in VM
+        scheduleViewModel.setDate(today.get(Calendar.YEAR), today.get(Calendar.MONTH),
+                today.get(Calendar.DAY_OF_MONTH));
+
+        // Prevent past dates
+        datePicker.setMinDate(System.currentTimeMillis() - 1000);
+    }
+
+    private void setupRecyclerView() {
+        timeSlotAdapter = new TimeSlotAdapter();
+        timeSlotAdapter.setOnTimeSlotSelectedListener(time -> scheduleViewModel.setTime(time));
+
+        recyclerTimeSlots.setLayoutManager(new GridLayoutManager(getContext(), 4));
+        recyclerTimeSlots.setAdapter(timeSlotAdapter);
+    }
+
+    private void setupObservers() {
+        scheduleViewModel.getTimeSlots().observe(getViewLifecycleOwner(), slots -> {
+            timeSlotAdapter.setTimeSlots(slots);
+        });
+
+        scheduleViewModel.getSaveSuccess().observe(getViewLifecycleOwner(), success -> {
+            if (success) {
+                Toast.makeText(getContext(), "Consulta agendada com sucesso!", Toast.LENGTH_SHORT).show();
+                NavController navController = Navigation.findNavController(getView());
+                navController.popBackStack();
+            }
+        });
+    }
+}

app/src/main/java/com/example/cuida/ui/schedule/ScheduleViewModel.java

@@ -0,0 +1,110 @@
+package com.example.cuida.ui.schedule;
+
+import android.app.Application;
+import androidx.annotation.NonNull;
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import com.example.cuida.data.AppDatabase;
+import com.example.cuida.data.dao.AppointmentDao;
+import com.example.cuida.data.model.Appointment;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class ScheduleViewModel extends AndroidViewModel {
+
+    private final AppointmentDao appointmentDao;
+    private final ExecutorService executorService;
+
+    private final MutableLiveData<String> selectedDate = new MutableLiveData<>();
+    private final MutableLiveData<String> selectedTime = new MutableLiveData<>();
+    private final MutableLiveData<List<TimeSlot>> timeSlots = new MutableLiveData<>();
+    private final MutableLiveData<Boolean> saveSuccess = new MutableLiveData<>();
+
+    public ScheduleViewModel(@NonNull Application application) {
+        super(application);
+        AppDatabase db = AppDatabase.getDatabase(application);
+        appointmentDao = db.appointmentDao();
+        executorService = Executors.newSingleThreadExecutor();
+        // Initial empty state or default date
+    }
+
+    public void setDate(int year, int month, int dayOfMonth) {
+        // Format to dd/MM/yyyy
+        String date = String.format("%02d/%02d/%04d", dayOfMonth, month + 1, year);
+        selectedDate.setValue(date);
+        loadTimeSlots(date);
+    }
+
+    public LiveData<String> getSelectedDate() {
+        return selectedDate;
+    }
+
+    public void setTime(String time) {
+        selectedTime.setValue(time);
+
+        // Update selection state in the list
+        List<TimeSlot> currentSlots = timeSlots.getValue();
+        if (currentSlots != null) {
+            for (TimeSlot slot : currentSlots) {
+                slot.setSelected(slot.getTime().equals(time));
+            }
+            timeSlots.setValue(currentSlots);
+        }
+    }
+
+    public LiveData<String> getSelectedTime() {
+        return selectedTime;
+    }
+
+    public LiveData<List<TimeSlot>> getTimeSlots() {
+        return timeSlots;
+    }
+
+    public LiveData<Boolean> getSaveSuccess() {
+        return saveSuccess;
+    }
+
+    private void loadTimeSlots(String date) {
+        executorService.execute(() -> {
+            List<String> bookedTimes = appointmentDao.getBookedTimesForDate(date);
+            List<TimeSlot> slots = generateTimeSlots(bookedTimes);
+            timeSlots.postValue(slots);
+        });
+    }
+
+    private List<TimeSlot> generateTimeSlots(List<String> bookedTimes) {
+        List<TimeSlot> slots = new ArrayList<>();
+        int startHour = 8;
+        int endHour = 20;
+
+        for (int hour = startHour; hour < endHour; hour++) {
+            addSlot(slots, String.format("%02d:00", hour), bookedTimes);
+            addSlot(slots, String.format("%02d:30", hour), bookedTimes);
+        }
+        return slots;
+    }
+
+    private void addSlot(List<TimeSlot> slots, String time, List<String> bookedTimes) {
+        boolean isBooked = bookedTimes.contains(time);
+        // If current selected time is now booked (e.g. concurrent), deselect it?
+        // For simplicity, just check booked state.
+        boolean isSelected = time.equals(selectedTime.getValue());
+        slots.add(new TimeSlot(time, isBooked, isSelected));
+    }
+
+    public void confirmAppointment() {
+        String date = selectedDate.getValue();
+        String time = selectedTime.getValue();
+
+        if (date != null && time != null) {
+            Appointment appointment = new Appointment("Consulta Geral", date, time, false);
+            executorService.execute(() -> {
+                appointmentDao.insert(appointment);
+                saveSuccess.postValue(true);
+            });
+        }
+    }
+}

app/src/main/java/com/example/cuida/ui/schedule/TimeSlot.java

@@ -0,0 +1,52 @@
+package com.example.cuida.ui.schedule;
+
+import java.util.Objects;
+
+public class TimeSlot {
+    private String time;
+    private boolean isBooked;
+    private boolean isSelected;
+
+    public TimeSlot(String time, boolean isBooked, boolean isSelected) {
+        this.time = time;
+        this.isBooked = isBooked;
+        this.isSelected = isSelected;
+    }
+
+    public String getTime() {
+        return time;
+    }
+
+    public boolean isBooked() {
+        return isBooked;
+    }
+
+    public void setBooked(boolean booked) {
+        isBooked = booked;
+    }
+
+    public boolean isSelected() {
+        return isSelected;
+    }
+
+    public void setSelected(boolean selected) {
+        isSelected = selected;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o)
+            return true;
+        if (o == null || getClass() != o.getClass())
+            return false;
+        TimeSlot timeSlot = (TimeSlot) o;
+        return isBooked == timeSlot.isBooked &&
+                isSelected == timeSlot.isSelected &&
+                Objects.equals(time, timeSlot.time);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(time, isBooked, isSelected);
+    }
+}

app/src/main/java/com/example/cuida/ui/schedule/TimeSlotAdapter.java

@@ -0,0 +1,75 @@
+package com.example.cuida.ui.schedule;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+import com.example.cuida.R;
+import com.google.android.material.button.MaterialButton;
+import java.util.ArrayList;
+import java.util.List;
+
+public class TimeSlotAdapter extends RecyclerView.Adapter<TimeSlotAdapter.ViewHolder> {
+
+    private List<TimeSlot> timeSlots = new ArrayList<>();
+    private OnTimeSlotSelectedListener listener;
+
+    public interface OnTimeSlotSelectedListener {
+        void onTimeSlotSelected(String time);
+    }
+
+    public void setOnTimeSlotSelectedListener(OnTimeSlotSelectedListener listener) {
+        this.listener = listener;
+    }
+
+    public void setTimeSlots(List<TimeSlot> slots) {
+        this.timeSlots = slots;
+        notifyDataSetChanged();
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.item_time_slot, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        TimeSlot slot = timeSlots.get(position);
+        holder.btnTimeSlot.setText(slot.getTime());
+
+        if (slot.isBooked()) {
+            holder.btnTimeSlot.setEnabled(false);
+            holder.btnTimeSlot.setAlpha(0.5f);
+            holder.btnTimeSlot.setChecked(false);
+            holder.btnTimeSlot.setOnClickListener(null);
+        } else {
+            holder.btnTimeSlot.setEnabled(true);
+            holder.btnTimeSlot.setAlpha(1.0f);
+            holder.btnTimeSlot.setChecked(slot.isSelected());
+
+            holder.btnTimeSlot.setOnClickListener(v -> {
+                if (listener != null) {
+                    listener.onTimeSlotSelected(slot.getTime());
+                }
+            });
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return timeSlots.size();
+    }
+
+    static class ViewHolder extends RecyclerView.ViewHolder {
+        MaterialButton btnTimeSlot;
+
+        ViewHolder(View itemView) {
+            super(itemView);
+            btnTimeSlot = itemView.findViewById(R.id.btn_time_slot);
+        }
+    }
+}

app/src/main/java/com/example/cuida/ui/sns24/Sns24Fragment.java

@@ -0,0 +1,59 @@
+package com.example.cuida.ui.sns24;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import com.example.cuida.databinding.FragmentSns24Binding;
+
+public class Sns24Fragment extends Fragment {
+
+    private FragmentSns24Binding binding;
+
+    public View onCreateView(@NonNull LayoutInflater inflater,
+            ViewGroup container, Bundle savedInstanceState) {
+        binding = FragmentSns24Binding.inflate(inflater, container, false);
+
+        binding.buttonCallSns.setOnClickListener(v -> {
+            try {
+                Intent intent = new Intent(Intent.ACTION_DIAL);
+                intent.setData(Uri.parse("tel:808242424"));
+                startActivity(intent);
+            } catch (Exception e) {
+                // In case no dialer app is found
+                e.printStackTrace();
+            }
+        });
+
+        binding.buttonTriage.setOnClickListener(v -> performTriage());
+
+        return binding.getRoot();
+    }
+
+    private void performTriage() {
+        boolean fever = binding.checkFever.isChecked();
+        boolean breath = binding.checkBreath.isChecked();
+        boolean pain = binding.checkPain.isChecked();
+
+        if (breath || pain) {
+            binding.textTriageResult.setText("URGENTE: Dirija-se imediatamente ao hospital ou ligue 112.");
+            binding.textTriageResult.setTextColor(getResources().getColor(android.R.color.holo_red_dark));
+        } else if (fever) {
+            binding.textTriageResult.setText("GRAVE: Ligue SNS 24 para aconselhamento antes de sair de casa.");
+            binding.textTriageResult.setTextColor(getResources().getColor(android.R.color.holo_orange_dark));
+        } else {
+            binding.textTriageResult.setText("NÃO GRAVE: Fique em casa e monitorize os sintomas.");
+            binding.textTriageResult.setTextColor(getResources().getColor(android.R.color.holo_green_dark));
+        }
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        binding = null;
+    }
+}

app/src/main/res/drawable/ic_launcher.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#005B96"
+        android:pathData="M0,0h108v108h-108z"/>
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M48,30h12v24h24v12h-24v24h-12v-24h-24v-12h24z"/>
+</vector>

app/src/main/res/drawable/ic_launcher_round.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#005B96"
+        android:pathData="M54,54m-54,0a54,54 0 1,1 108,0a54,54 0 1,1 -108,0"/>
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M48,30h12v24h24v12h-24v24h-12v-24h-24v-12h24z"/>
+</vector>

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

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:gravity="center"
+    android:padding="24dp"
+    android:background="@color/background_color">
+
+    <ImageView
+        android:layout_width="160dp"
+        android:layout_height="160dp"
+        android:layout_marginBottom="24dp"
+        android:scaleType="centerCrop"
+        android:src="@drawable/ic_logo" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/forgot_password"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        android:textColor="@color/primary_color"
+        android:layout_marginBottom="16dp"/>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Insira o seu email para recuperar a palavra-passe."
+        android:gravity="center"
+        android:textSize="16sp"
+        android:layout_marginBottom="32dp"/>
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="24dp">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/email_edit_text"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/email_hint"
+            android:inputType="textEmailAddress" />
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/reset_button"
+        android:layout_width="match_parent"
+        android:layout_height="56dp"
+        android:text="Recuperar Palavra-passe"
+        android:textSize="16sp"
+        android:layout_marginBottom="16dp"/>
+
+    <TextView
+        android:id="@+id/back_to_login"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Voltar ao Login"
+        android:textColor="@color/primary_color"
+        android:textStyle="bold"/>
+
+</LinearLayout>

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

@@ -0,0 +1,119 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fillViewport="true"
+    android:background="@color/background_color">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:gravity="center"
+        android:padding="24dp">
+
+        <ImageView
+            android:layout_width="139dp"
+            android:layout_height="129dp"
+            android:layout_marginBottom="32dp"
+            android:contentDescription="@string/app_name"
+            android:src="@drawable/ic_logo" />
+
+        <com.google.android.material.card.MaterialCardView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:cardCornerRadius="16dp"
+            app:cardElevation="4dp"
+            app:cardBackgroundColor="@color/surface_color">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:padding="24dp">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/login_title"
+                    android:textSize="24sp"
+                    android:textStyle="bold"
+                    android:textColor="@color/primary_color"
+                    android:layout_gravity="center_horizontal"
+                    android:layout_marginBottom="24dp"/>
+
+                <com.google.android.material.textfield.TextInputLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginBottom="16dp"
+                    style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                        android:id="@+id/email_edit_text"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:hint="@string/email_hint"
+                        android:inputType="textEmailAddress" />
+                </com.google.android.material.textfield.TextInputLayout>
+
+                <com.google.android.material.textfield.TextInputLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginBottom="24dp"
+                    style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                        android:id="@+id/password_edit_text"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:hint="@string/password_hint"
+                        android:inputType="textPassword" />
+                </com.google.android.material.textfield.TextInputLayout>
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/login_button"
+                    android:layout_width="match_parent"
+                    android:layout_height="56dp"
+                    android:text="@string/login_button"
+                    android:textSize="16sp"
+                    android:textStyle="bold"
+                    app:cornerRadius="28dp"
+                    android:layout_marginBottom="16dp"/>
+
+                <TextView
+                    android:id="@+id/forgot_password_link"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/forgot_password"
+                    android:textColor="@color/secondary_color"
+                    android:layout_gravity="center_horizontal"
+                    android:padding="8dp"/>
+
+            </LinearLayout>
+        </com.google.android.material.card.MaterialCardView>
+
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:layout_marginTop="24dp">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/no_account"
+                android:textColor="@color/text_secondary"
+                android:layout_marginEnd="8dp"/>
+
+            <TextView
+                android:id="@+id/register_link"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/register_title"
+                android:textStyle="bold"
+                android:textColor="@color/secondary_color"/>
+        </LinearLayout>
+
+    </LinearLayout>
+</ScrollView>

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

@@ -0,0 +1,33 @@
+<?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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <fragment
+        android:id="@+id/nav_host_fragment"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:defaultNavHost="true"
+        app:layout_constraintBottom_toTopOf="@id/nav_view"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:navGraph="@navigation/mobile_navigation" />
+
+    <com.google.android.material.bottomnavigation.BottomNavigationView
+        android:id="@+id/nav_view"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="0dp"
+        android:layout_marginEnd="0dp"
+        android:background="?android:attr/windowBackground"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:menu="@menu/bottom_nav_menu" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,161 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fillViewport="true"
+    android:background="@color/background_color">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:gravity="center"
+        android:padding="24dp">
+
+        <ImageView
+            android:layout_width="120dp"
+            android:layout_height="120dp"
+            android:layout_marginBottom="24dp"
+            android:src="@drawable/ic_logo"
+            android:contentDescription="@string/app_name" />
+
+        <com.google.android.material.card.MaterialCardView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:cardCornerRadius="16dp"
+            app:cardElevation="4dp"
+            app:cardBackgroundColor="@color/surface_color">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:padding="24dp">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/register_title"
+                    android:textSize="24sp"
+                    android:textStyle="bold"
+                    android:textColor="@color/primary_color"
+                    android:layout_gravity="center_horizontal"
+                    android:layout_marginBottom="24dp"/>
+
+                <com.google.android.material.textfield.TextInputLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginBottom="16dp"
+                    style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                        android:id="@+id/name_edit_text"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:hint="@string/name_hint"
+                        android:inputType="textPersonName" />
+                </com.google.android.material.textfield.TextInputLayout>
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="horizontal">
+
+                    <com.google.android.material.textfield.TextInputLayout
+                        android:layout_width="0dp"
+                        android:layout_weight="1"
+                        android:layout_height="wrap_content"
+                        android:layout_marginBottom="16dp"
+                        android:layout_marginEnd="8dp"
+                        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+                        <com.google.android.material.textfield.TextInputEditText
+                            android:id="@+id/age_edit_text"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:hint="@string/age_hint"
+                            android:inputType="number" />
+                    </com.google.android.material.textfield.TextInputLayout>
+
+                    <com.google.android.material.textfield.TextInputLayout
+                        android:layout_width="0dp"
+                        android:layout_weight="2"
+                        android:layout_height="wrap_content"
+                        android:layout_marginBottom="16dp"
+                        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+                        <com.google.android.material.textfield.TextInputEditText
+                            android:id="@+id/utente_edit_text"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:hint="Nº Utente"
+                            android:inputType="number" />
+                    </com.google.android.material.textfield.TextInputLayout>
+                </LinearLayout>
+
+                <com.google.android.material.textfield.TextInputLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginBottom="16dp"
+                    style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                        android:id="@+id/email_edit_text"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:hint="@string/email_hint"
+                        android:inputType="textEmailAddress" />
+                </com.google.android.material.textfield.TextInputLayout>
+
+                <com.google.android.material.textfield.TextInputLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginBottom="24dp"
+                    style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                        android:id="@+id/password_edit_text"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:hint="@string/password_hint"
+                        android:inputType="textPassword" />
+                </com.google.android.material.textfield.TextInputLayout>
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/register_button"
+                    android:layout_width="match_parent"
+                    android:layout_height="56dp"
+                    android:text="@string/register_button"
+                    android:textSize="16sp"
+                    android:textStyle="bold"
+                    app:cornerRadius="28dp"
+                    android:layout_marginBottom="16dp"/>
+
+                <LinearLayout
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:orientation="horizontal"
+                    android:layout_gravity="center_horizontal">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/already_account"
+                        android:textColor="@color/text_secondary"
+                        android:layout_marginEnd="8dp"/>
+
+                    <TextView
+                        android:id="@+id/login_link"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/login_title"
+                        android:textStyle="bold"
+                        android:textColor="@color/secondary_color"/>
+                </LinearLayout>
+
+            </LinearLayout>
+        </com.google.android.material.card.MaterialCardView>
+
+    </LinearLayout>
+</ScrollView>

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

@@ -0,0 +1,108 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:padding="24dp">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Editar Dados"
+            android:textSize="20sp"
+            android:textStyle="bold"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginBottom="24dp"/>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="16dp">
+
+            <com.google.android.material.textfield.TextInputEditText
+                android:id="@+id/edit_name"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="Nome"
+                android:inputType="textPersonName" />
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="16dp">
+
+            <com.google.android.material.textfield.TextInputEditText
+                android:id="@+id/edit_age"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="Idade"
+                android:inputType="number" />
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="16dp">
+
+            <com.google.android.material.textfield.TextInputEditText
+                android:id="@+id/edit_utente"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="Nº Utente"
+                android:inputType="number" />
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="16dp">
+
+            <com.google.android.material.textfield.TextInputEditText
+                android:id="@+id/edit_email"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="Email"
+                android:inputType="textEmailAddress" />
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="24dp">
+
+            <com.google.android.material.textfield.TextInputEditText
+                android:id="@+id/edit_password"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="Nova Palavra-Passe"
+                android:inputType="textPassword" />
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:gravity="end">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/button_cancel"
+                style="@style/Widget.MaterialComponents.Button.TextButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Cancelar"
+                android:layout_marginEnd="8dp"/>
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/button_save"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Salvar" />
+        </LinearLayout>
+
+    </LinearLayout>
+</ScrollView>

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

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:padding="16dp">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/title_appointments"
+            android:textSize="24sp"
+            android:textStyle="bold"
+            android:textColor="@color/primary_color"
+            android:layout_marginBottom="16dp"/>
+
+        <!-- Placeholder for RecyclerView -->
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Futuras"
+            android:textStyle="bold"
+            android:layout_marginBottom="8dp"/>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/recycler_appointments_future"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="16dp"/>
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Passadas"
+            android:textStyle="bold"
+            android:layout_marginBottom="8dp"/>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/recycler_appointments_past"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"/>
+
+    </LinearLayout>
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fab_add_appointment"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="16dp"
+        android:contentDescription="Agendar Consulta"
+        android:src="@android:drawable/ic_input_add" />
+
+</FrameLayout>

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

@@ -0,0 +1,72 @@
+<?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"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="16dp">
+
+    <TextView
+        android:id="@+id/text_greeting"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Olá, utilizador!"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        android:textColor="@color/primary_color"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"/>
+
+    <com.google.android.material.card.MaterialCardView
+        android:id="@+id/card_next_medication"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        app:cardCornerRadius="12dp"
+        app:cardElevation="4dp"
+        app:layout_constraintTop_toBottomOf="@id/text_greeting">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:padding="16dp">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Próxima Medicação"
+                android:textStyle="bold"
+                android:textSize="18sp"
+                android:textColor="@color/primary_color"/>
+
+            <TextView
+                android:id="@+id/next_med_name"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Paracetamol 500mg"
+                android:textSize="16sp"
+                android:layout_marginTop="8dp"/>
+
+            <TextView
+                android:id="@+id/next_med_time"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Hoje, 14:00"
+                android:textSize="14sp"
+                android:textColor="@android:color/darker_gray"
+                android:layout_marginTop="4dp"/>
+        </LinearLayout>
+    </com.google.android.material.card.MaterialCardView>
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/button_book_appointment"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:text="Marcar Consulta"
+        android:textSize="16sp"
+        android:layout_marginTop="24dp"
+        app:icon="@android:drawable/ic_menu_my_calendar"
+        app:iconGravity="textStart"
+        app:layout_constraintTop_toBottomOf="@id/card_next_medication"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="16dp">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/title_medication"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        android:textColor="@color/primary_color"
+        android:layout_marginBottom="16dp"/>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_medication"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+</LinearLayout>

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

@@ -0,0 +1,126 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="24dp"
+    android:gravity="center_horizontal"
+    android:background="@color/background_color">
+
+    <ImageView
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:src="@drawable/ic_logo"
+        android:layout_marginBottom="24dp"/>
+
+    <com.google.android.material.card.MaterialCardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:cardCornerRadius="16dp"
+        app:cardElevation="4dp"
+        app:cardBackgroundColor="@color/surface_color"
+        android:layout_marginBottom="32dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:padding="24dp"
+            android:gravity="center">
+
+            <TextView
+                android:id="@+id/profile_name"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Nome do Utilizador"
+                android:textSize="22sp"
+                android:textStyle="bold"
+                android:textColor="@color/text_primary"
+                android:layout_marginBottom="8dp"/>
+
+            <TextView
+                android:id="@+id/profile_email"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="email@exemplo.com"
+                android:textSize="14sp"
+                android:textColor="@color/text_secondary"
+                android:layout_marginBottom="24dp"/>
+
+            <View
+                android:layout_width="match_parent"
+                android:layout_height="1dp"
+                android:background="#E0E0E0"
+                android:layout_marginBottom="16dp"/>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:gravity="center"
+                android:layout_marginBottom="12dp">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="Idade: "
+                    android:textSize="16sp"
+                    android:textColor="@color/text_secondary"/>
+
+                <TextView
+                    android:id="@+id/profile_age"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="--"
+                    android:textSize="18sp"
+                    android:textStyle="bold"
+                    android:textColor="@color/text_primary"/>
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:gravity="center">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="Nº Utente: "
+                    android:textSize="16sp"
+                    android:textColor="@color/text_secondary"/>
+
+                <TextView
+                    android:id="@+id/profile_utente"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="--"
+                    android:textSize="18sp"
+                    android:textStyle="bold"
+                    android:textColor="@color/text_primary"/>
+            </LinearLayout>
+
+        </LinearLayout>
+    </com.google.android.material.card.MaterialCardView>
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/button_edit_profile"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:text="Editar Dados"
+        android:layout_marginBottom="16dp"
+        app:cornerRadius="30dp"
+        android:backgroundTint="@color/secondary_color"/>
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/button_logout"
+        style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+        android:layout_width="match_parent"
+        android:layout_height="60dp"
+        android:text="Terminar Sessão"
+        app:strokeColor="@color/error_color"
+        android:textColor="@color/error_color"
+        app:cornerRadius="30dp"/>
+
+</LinearLayout>

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

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="16dp">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Agendar Consulta"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        android:textColor="@color/black"
+        android:layout_marginBottom="24dp"/>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Selecionar Data"
+        android:textSize="18sp"
+        android:textStyle="bold"
+        android:layout_marginBottom="8dp"/>
+
+    <DatePicker
+        android:id="@+id/datePicker"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:calendarViewShown="false"
+        android:datePickerMode="spinner"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginBottom="16dp"/>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Selecionar Horário"
+        android:textSize="18sp"
+        android:textStyle="bold"
+        android:layout_marginBottom="8dp"/>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_time_slots"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:layout_marginBottom="16dp"/>
+
+    <Button
+        android:id="@+id/btn_confirm_appointment"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Confirmar Agendamento"/>
+
+</LinearLayout>

app/src/main/res/layout/fragment_sns24.xml

@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="16dp"
+    android:gravity="center_horizontal">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/title_sns24"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        android:textColor="@color/primary_color"
+        android:layout_marginBottom="32dp"/>
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/button_call_sns"
+        android:layout_width="match_parent"
+        android:layout_height="80dp"
+        android:text="Ligar SNS 24 (808 24 24 24)"
+        android:textSize="18sp"
+        android:backgroundTint="@color/teal_700"
+        app:icon="@android:drawable/ic_menu_call"
+        app:iconGravity="textStart"
+        android:layout_marginBottom="32dp"/>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Triagem Inteligente"
+        android:textSize="20sp"
+        android:textStyle="bold"
+        android:layout_marginBottom="16dp"/>
+
+    <com.google.android.material.card.MaterialCardView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:cardCornerRadius="12dp"
+        app:cardElevation="4dp">
+        
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:padding="16dp">
+            
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="Sente algum destes sintomas?"
+                android:textStyle="bold"
+                android:layout_marginBottom="8dp"/>
+                
+            <CheckBox
+                android:id="@+id/check_fever"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Febre Alta (> 38ºC)"/>
+                
+            <CheckBox
+                android:id="@+id/check_breath"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Dificuldade Respiratória"/>
+                
+            <CheckBox
+                android:id="@+id/check_pain"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Dor no Peito"/>
+                
+            <Button
+                android:id="@+id/button_triage"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="Avaliar Sintomas"
+                android:layout_marginTop="16dp"/>
+                
+            <TextView
+                android:id="@+id/text_triage_result"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text=""
+                android:textStyle="bold"
+                android:textColor="@color/error_color"
+                android:layout_marginTop="16dp"
+                android:gravity="center"/>
+                
+        </LinearLayout>
+    </com.google.android.material.card.MaterialCardView>
+
+</LinearLayout>

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

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.google.android.material.card.MaterialCardView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="8dp"
+    app:cardCornerRadius="8dp"
+    app:cardElevation="2dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:padding="16dp">
+
+        <TextView
+            android:id="@+id/text_type"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Tipo de Consulta"
+            android:textStyle="bold"
+            android:textSize="18sp"
+            android:textColor="@color/primary_color"/>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:layout_marginTop="8dp">
+
+            <TextView
+                android:id="@+id/text_date"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="dd/MM/yyyy"
+                android:layout_marginEnd="16dp"/>
+
+            <TextView
+                android:id="@+id/text_time"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="HH:mm"
+                android:textStyle="italic"/>
+        </LinearLayout>
+    </LinearLayout>
+</com.google.android.material.card.MaterialCardView>

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

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.google.android.material.card.MaterialCardView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="8dp"
+    app:cardCornerRadius="8dp"
+    app:cardElevation="2dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:padding="16dp"
+        android:gravity="center_vertical">
+
+        <ImageView
+            android:layout_width="40dp"
+            android:layout_height="40dp"
+            android:src="@android:drawable/ic_menu_agenda"
+            app:tint="@color/secondary_color"
+            android:layout_marginEnd="16dp"/>
+
+        <LinearLayout
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:layout_weight="1">
+
+            <TextView
+                android:id="@+id/text_med_name"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Nome Medicamento"
+                android:textStyle="bold"
+                android:textSize="18sp"
+                android:textColor="@color/primary_color"/>
+
+            <TextView
+                android:id="@+id/text_med_dosage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Dosagem"
+                android:layout_marginTop="4dp"/>
+                
+            <TextView
+                android:id="@+id/text_med_notes"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Observações"
+                android:textStyle="italic"
+                android:textSize="12sp"
+                android:layout_marginTop="2dp"/>
+        </LinearLayout>
+
+        <TextView
+            android:id="@+id/text_med_time"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="HH:mm"
+            android:textSize="20sp"
+            android:textStyle="bold"
+            android:textColor="@color/black"
+            android:layout_marginEnd="16dp"/>
+
+        <CheckBox
+            android:id="@+id/checkbox_taken"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:buttonTint="@color/primary_color"/>
+
+    </LinearLayout>
+</com.google.android.material.card.MaterialCardView>

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

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.google.android.material.button.MaterialButton xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/btn_time_slot"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:text="09:00"
+    android:checkable="true"
+    android:layout_margin="4dp"
+    style="@style/Widget.MaterialComponents.Button.OutlinedButton"/>

app/src/main/res/menu/bottom_nav_menu.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/navigation_home"
+        android:icon="@android:drawable/ic_menu_today"
+        android:title="@string/title_home" />
+
+    <item
+        android:id="@+id/navigation_appointments"
+        android:icon="@android:drawable/ic_menu_my_calendar"
+        android:title="@string/title_appointments" />
+
+    <item
+        android:id="@+id/navigation_medication"
+        android:icon="@android:drawable/ic_menu_agenda"
+        android:title="@string/title_medication" />
+        
+    <item
+        android:id="@+id/navigation_sns24"
+        android:icon="@android:drawable/ic_menu_call"
+        android:title="@string/title_sns24" />
+
+    <item
+        android:id="@+id/navigation_profile"
+        android:icon="@android:drawable/ic_menu_myplaces"
+        android:title="@string/title_profile" />
+
+</menu>

app/src/main/res/navigation/mobile_navigation.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation 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/mobile_navigation"
+    app:startDestination="@+id/navigation_home">
+
+    <fragment
+        android:id="@+id/navigation_home"
+        android:name="com.example.cuida.ui.home.HomeFragment"
+        android:label="@string/title_home"
+        tools:layout="@layout/fragment_home" />
+
+    <fragment
+        android:id="@+id/navigation_appointments"
+        android:name="com.example.cuida.ui.appointments.AppointmentsFragment"
+        android:label="@string/title_appointments"
+        tools:layout="@layout/fragment_appointments">
+        <action
+            android:id="@+id/action_appointments_to_schedule"
+            app:destination="@id/navigation_schedule_appointment" />
+    </fragment>
+
+    <fragment
+        android:id="@+id/navigation_medication"
+        android:name="com.example.cuida.ui.medication.MedicationFragment"
+        android:label="@string/title_medication"
+        tools:layout="@layout/fragment_medication" />
+
+    <fragment
+        android:id="@+id/navigation_sns24"
+        android:name="com.example.cuida.ui.sns24.Sns24Fragment"
+        android:label="@string/title_sns24"
+        tools:layout="@layout/fragment_sns24" />
+        
+    <fragment
+        android:id="@+id/navigation_profile"
+        android:name="com.example.cuida.ui.profile.ProfileFragment"
+        android:label="@string/title_profile"
+        tools:layout="@layout/fragment_profile" />
+
+    <fragment
+        android:id="@+id/navigation_schedule_appointment"
+        android:name="com.example.cuida.ui.schedule.ScheduleAppointmentFragment"
+        android:label="Agendar Consulta"
+        tools:layout="@layout/fragment_schedule_appointment" />
+
+</navigation>

app/src/main/res/values/colors.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#90CAF9</color>
+    <color name="purple_500">#2196F3</color>
+    <color name="purple_700">#1976D2</color>
+    <color name="teal_200">#80DEEA</color>
+    <color name="teal_700">#0097A7</color>
+    <color name="black">#000000</color>
+    <color name="white">#FFFFFF</color>
+
+    <!-- App Brand Colors -->
+    <color name="primary_color">#1976D2</color> <!-- Strong Blue -->
+    <color name="primary_light_color">#BBDEFB</color>
+    <color name="secondary_color">#000000</color> <!-- Black -->
+    <color name="secondary_dark_color">#000000</color>
+    
+    <color name="background_color">#F5F7FA</color>
+    <color name="surface_color">#FFFFFF</color>
+    <color name="text_primary">#000000</color>
+    <color name="text_secondary">#424242</color>
+    <color name="error_color">#B00020</color>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,21 @@
+<resources>
+    <string name="app_name">Cuida</string>
+    <string name="title_home">Início</string>
+    <string name="title_appointments">Consultas</string>
+    <string name="title_medication">Medicação</string>
+    <string name="title_sns24">SNS 24</string>
+    <string name="title_profile">Perfil</string>
+    
+    <!-- Auth -->
+    <string name="login_title">Iniciar Sessão</string>
+    <string name="register_title">Criar Conta</string>
+    <string name="forgot_password">Esqueci-me da Palavra-passe</string>
+    <string name="email_hint">Email</string>
+    <string name="password_hint">Palavra-passe</string>
+    <string name="name_hint">Nome</string>
+    <string name="age_hint">Idade</string>
+    <string name="login_button">Entrar</string>
+    <string name="register_button">Registar</string>
+    <string name="no_account">Não tem conta?</string>
+    <string name="already_account">Já tem conta?</string>
+</resources>

app/src/main/res/values/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Cuida" parent="Theme.MaterialComponents.DayNight.NoActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/primary_color</item>
+        <item name="colorPrimaryVariant">@color/primary_color</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/secondary_color</item>
+        <item name="colorSecondaryVariant">@color/secondary_color</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<full-backup-content>
+    <include domain="sharedpref" path="."/>
+    <include domain="database" path="."/>
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<data-extraction-rules>
+    <cloud-backup>
+        <include domain="sharedpref" path="."/>
+        <include domain="database" path="."/>
+    </cloud-backup>
+    <device-transfer>
+        <include domain="sharedpref" path="."/>
+        <include domain="database" path="."/>
+    </device-transfer>
+</data-extraction-rules>