tudo a andar rapido vamossss

app/src/main/java/com/example/lifegrid/TelaInicialActivity.java

@@ -17,6 +17,25 @@ import com.example.lifegrid.menu.DocumentosFragment;
 import com.example.lifegrid.menu.GraficosFragment;
 import com.example.lifegrid.menu.MetasFragment;
 import com.example.lifegrid.menu.TransacoesFragment;
+import com.example.lifegrid.models.Transacao;
+
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.Spinner;
+import android.widget.Toast;
+import com.google.firebase.auth.FirebaseAuth;
+import com.google.firebase.auth.FirebaseUser;
+import com.google.firebase.database.DataSnapshot;
+import com.google.firebase.database.DatabaseError;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
+import com.google.firebase.database.ValueEventListener;
+import androidx.annotation.NonNull;
+
+import java.util.Calendar;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
 
 /**
  * TelaInicialActivity funciona como a janela mestre (Container) de navegação da aplicação.
@@ -33,6 +52,13 @@ public class TelaInicialActivity extends AppCompatActivity {
     private TextView tvTransacoes3;
     private TextView tvValor4;
     private TextView tvTransacoes4;
+    private TextView tvTitulo;
+    private TextView tvTitulo2;
+    
+    private Spinner spinnerMes;
+    private Spinner spinnerAno;
+    
+    private String[] meses = {"Janeiro", "Fevereiro", "Março", "Abril", "Maio", "Junho", "Julho", "Agosto", "Setembro", "Outubro", "Novembro", "Dezembro"};
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -45,6 +71,22 @@ public class TelaInicialActivity extends AppCompatActivity {
             return insets;
         });
 
+        tvValor = findViewById(R.id.tvValor);
+        tvTransacoes = findViewById(R.id.tvTransacoes);
+        tvValor2 = findViewById(R.id.tvValor2);
+        tvTransacoes2 = findViewById(R.id.tvTransacoes2);
+        tvValor3 = findViewById(R.id.tvValor3);
+        tvTransacoes3 = findViewById(R.id.tvTransacoes3);
+        tvValor4 = findViewById(R.id.tvValor4);
+        tvTransacoes4 = findViewById(R.id.tvTransacoes4);
+        tvTitulo = findViewById(R.id.tvTitulo);
+        tvTitulo2 = findViewById(R.id.tvTitulo2);
+        
+        spinnerMes = findViewById(R.id.spinnerMes);
+        spinnerAno = findViewById(R.id.spinnerAno);
+
+        setupSpinners();
+
         Fragment transacoesFragment2 = new TransacoesFragment();
         getSupportFragmentManager().beginTransaction()
                 .replace(R.id.fragmentContainerView, transacoesFragment2)
@@ -93,4 +135,108 @@ public class TelaInicialActivity extends AppCompatActivity {
                     .commit();
         });
     }
+    
+    private void setupSpinners() {
+        ArrayAdapter<String> mesAdapter = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item, meses);
+        mesAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        spinnerMes.setAdapter(mesAdapter);
+
+        int currentYear = Calendar.getInstance().get(Calendar.YEAR);
+        List<String> anos = new ArrayList<>();
+        for (int i = currentYear - 5; i <= currentYear + 5; i++) {
+            anos.add(String.valueOf(i));
+        }
+        ArrayAdapter<String> anoAdapter = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item, anos);
+        anoAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        spinnerAno.setAdapter(anoAdapter);
+
+        // Set current month and year
+        spinnerMes.setSelection(Calendar.getInstance().get(Calendar.MONTH));
+        spinnerAno.setSelection(anos.indexOf(String.valueOf(currentYear)));
+
+        AdapterView.OnItemSelectedListener listener = new AdapterView.OnItemSelectedListener() {
+            @Override
+            public void onItemSelected(AdapterView<?> parent, android.view.View view, int position, long id) {
+                carregarDados();
+            }
+
+            @Override
+            public void onNothingSelected(AdapterView<?> parent) {}
+        };
+
+        spinnerMes.setOnItemSelectedListener(listener);
+        spinnerAno.setOnItemSelectedListener(listener);
+    }
+    
+    private void carregarDados() {
+        FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
+        if (user == null) return;
+        
+        int mesSelecionado = spinnerMes.getSelectedItemPosition() + 1; // 1 to 12
+        String anoSelecionado = spinnerAno.getSelectedItem().toString();
+        
+        String mesNome = meses[spinnerMes.getSelectedItemPosition()];
+        tvTitulo.setText("Receitas (" + mesNome + " " + anoSelecionado + ")");
+        tvTitulo2.setText("Despesas (" + mesNome + " " + anoSelecionado + ")");
+
+        DatabaseReference transacoesRef = FirebaseDatabase.getInstance().getReference()
+                .child("users").child(user.getUid()).child("transacoes");
+
+        transacoesRef.addValueEventListener(new ValueEventListener() {
+            @Override
+            public void onDataChange(@NonNull DataSnapshot snapshot) {
+                double totalReceitas = 0;
+                double totalDespesas = 0;
+                int countReceitas = 0;
+                int countDespesas = 0;
+
+                for (DataSnapshot ds : snapshot.getChildren()) {
+                    Transacao transacao = ds.getValue(Transacao.class);
+                    if (transacao != null && transacao.getData() != null) {
+                        String[] parts = transacao.getData().split("/");
+                        if (parts.length == 3) {
+                            try {
+                                int mesTransacao = Integer.parseInt(parts[1]);
+                                String anoTransacao = parts[2];
+                                
+                                if (mesTransacao == mesSelecionado && anoTransacao.equals(anoSelecionado)) {
+                                    double valor = Double.parseDouble(transacao.getValor().replace(",", "."));
+                                    if ("Receita".equals(transacao.getTipo())) {
+                                        totalReceitas += valor;
+                                        countReceitas++;
+                                    } else if ("Despesa".equals(transacao.getTipo())) {
+                                        totalDespesas += valor;
+                                        countDespesas++;
+                                    }
+                                }
+                            } catch (NumberFormatException e) {
+                                e.printStackTrace();
+                            }
+                        }
+                    }
+                }
+                
+                tvValor.setText(String.format(Locale.getDefault(), "%.2f€", totalReceitas));
+                tvTransacoes.setText(countReceitas + " transações");
+                
+                tvValor2.setText(String.format(Locale.getDefault(), "%.2f€", totalDespesas));
+                tvTransacoes2.setText(countDespesas + " transações");
+                
+                double saldo = totalReceitas - totalDespesas;
+                tvValor3.setText(String.format(Locale.getDefault(), "%.2f€", saldo));
+                if (saldo >= 0) {
+                    tvTransacoes3.setText("Poupança positiva");
+                    tvTransacoes3.setTextColor(android.graphics.Color.parseColor("#8E8E8E"));
+                } else {
+                    tvTransacoes3.setText("Poupança negativa");
+                    tvTransacoes3.setTextColor(android.graphics.Color.parseColor("#FF0000"));
+                }
+            }
+
+            @Override
+            public void onCancelled(@NonNull DatabaseError error) {
+                Toast.makeText(TelaInicialActivity.this, "Erro ao carregar dados", Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
 }

app/src/main/java/com/example/lifegrid/adapters/MetaAdapter.java

@@ -0,0 +1,144 @@
+package com.example.lifegrid.adapters;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.lifegrid.R;
+import com.example.lifegrid.models.Meta;
+import com.google.android.material.button.MaterialButton;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+
+public class MetaAdapter extends RecyclerView.Adapter<MetaAdapter.MetaViewHolder> {
+
+    private List<Meta> metasList;
+    private OnItemClickListener listener;
+
+    public interface OnItemClickListener {
+        void onDeleteClick(Meta meta);
+        void onAddValueClick(Meta meta, double valorAdicional, EditText editText);
+    }
+
+    public MetaAdapter(List<Meta> metasList, OnItemClickListener listener) {
+        this.metasList = metasList;
+        this.listener = listener;
+    }
+
+    @NonNull
+    @Override
+    public MetaViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_meta, parent, false);
+        return new MetaViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull MetaViewHolder holder, int position) {
+        Meta meta = metasList.get(position);
+        
+        holder.tvNome.setText(meta.getNome());
+        holder.tvCategoria.setText(meta.getCategoria());
+        
+        double valorObjetivo = 0;
+        double valorGuardado = 0;
+        
+        try {
+            valorObjetivo = Double.parseDouble(meta.getValor().replace(",", "."));
+            if (meta.getValorGuardado() != null && !meta.getValorGuardado().isEmpty()) {
+                valorGuardado = Double.parseDouble(meta.getValorGuardado().replace(",", "."));
+            }
+        } catch (NumberFormatException e) {
+            e.printStackTrace();
+        }
+
+        holder.tvValorStatus.setText(String.format(Locale.getDefault(), "%.2f€ / %.2f€", valorGuardado, valorObjetivo));
+        
+        int progress = 0;
+        if (valorObjetivo > 0) {
+            progress = (int) ((valorGuardado / valorObjetivo) * 100);
+            if (progress > 100) progress = 100;
+        }
+        holder.pbProgresso.setProgress(progress);
+        holder.tvPercentagem.setText(progress + ".0%");
+
+        // Calculate days remaining
+        long daysRemaining = 0;
+        SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy", Locale.getDefault());
+        try {
+            Date goalDate = sdf.parse(meta.getData());
+            if (goalDate != null) {
+                long diff = goalDate.getTime() - new Date().getTime();
+                daysRemaining = diff / (1000 * 60 * 60 * 24);
+            }
+        } catch (ParseException e) {
+            e.printStackTrace();
+        }
+        
+        if (daysRemaining >= 0) {
+            holder.tvDiasRestantes.setText("Faltam " + daysRemaining + " dias");
+        } else {
+            holder.tvDiasRestantes.setText("Atrasado " + Math.abs(daysRemaining) + " dias");
+        }
+
+        holder.ivDelete.setOnClickListener(v -> {
+            if (listener != null) {
+                listener.onDeleteClick(meta);
+            }
+        });
+
+        holder.btnAddValor.setOnClickListener(v -> {
+            if (listener != null) {
+                String input = holder.etAdicionarValor.getText().toString().trim();
+                if (!input.isEmpty()) {
+                    try {
+                        double valorAdicional = Double.parseDouble(input);
+                        listener.onAddValueClick(meta, valorAdicional, holder.etAdicionarValor);
+                    } catch (NumberFormatException e) {
+                        Toast.makeText(v.getContext(), "Valor inválido", Toast.LENGTH_SHORT).show();
+                    }
+                }
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return metasList.size();
+    }
+
+    public static class MetaViewHolder extends RecyclerView.ViewHolder {
+        ImageView ivIcon, ivDelete, ivCalendar;
+        TextView tvNome, tvCategoria, tvLabelProgresso, tvValorStatus, tvDiasRestantes, tvPercentagem;
+        ProgressBar pbProgresso;
+        EditText etAdicionarValor;
+        MaterialButton btnAddValor;
+
+        public MetaViewHolder(@NonNull View itemView) {
+            super(itemView);
+            ivIcon = itemView.findViewById(R.id.ivIcon);
+            ivDelete = itemView.findViewById(R.id.ivDelete);
+            ivCalendar = itemView.findViewById(R.id.ivCalendar);
+            tvNome = itemView.findViewById(R.id.tvNome);
+            tvCategoria = itemView.findViewById(R.id.tvCategoria);
+            tvLabelProgresso = itemView.findViewById(R.id.tvLabelProgresso);
+            tvValorStatus = itemView.findViewById(R.id.tvValorStatus);
+            tvDiasRestantes = itemView.findViewById(R.id.tvDiasRestantes);
+            tvPercentagem = itemView.findViewById(R.id.tvPercentagem);
+            pbProgresso = itemView.findViewById(R.id.pbProgresso);
+            etAdicionarValor = itemView.findViewById(R.id.etAdicionarValor);
+            btnAddValor = itemView.findViewById(R.id.btnAddValor);
+        }
+    }
+}

app/src/main/java/com/example/lifegrid/adapters/TransacaoAdapter.java

@@ -0,0 +1,87 @@
+package com.example.lifegrid.adapters;
+
+import android.graphics.Color;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.lifegrid.R;
+import com.example.lifegrid.models.Transacao;
+
+import java.util.List;
+
+public class TransacaoAdapter extends RecyclerView.Adapter<TransacaoAdapter.TransacaoViewHolder> {
+
+    private List<Transacao> transacoesList;
+    private OnItemClickListener listener;
+
+    public interface OnItemClickListener {
+        void onDeleteClick(Transacao transacao);
+    }
+
+    public TransacaoAdapter(List<Transacao> transacoesList, OnItemClickListener listener) {
+        this.transacoesList = transacoesList;
+        this.listener = listener;
+    }
+
+    @NonNull
+    @Override
+    public TransacaoViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_transacao, parent, false);
+        return new TransacaoViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull TransacaoViewHolder holder, int position) {
+        Transacao transacao = transacoesList.get(position);
+        holder.tvDescricao.setText(transacao.getDescricao());
+        holder.tvCategoria.setText(transacao.getCategoria());
+        holder.tvData.setText(transacao.getData());
+
+        if ("Receita".equals(transacao.getTipo())) {
+            holder.ivIconBackground.setBackgroundResource(R.drawable.bg_circle_green);
+            holder.ivIcon.setImageResource(R.drawable.diagonalarrowrightup_110941);
+            holder.ivIcon.setColorFilter(Color.parseColor("#2ECC71"));
+            holder.tvValor.setText("+" + transacao.getValor() + "€");
+            holder.tvValor.setTextColor(Color.parseColor("#2ECC71"));
+        } else {
+            holder.ivIconBackground.setBackgroundResource(R.drawable.bg_circle_red);
+            holder.ivIcon.setImageResource(R.drawable.diagonalarrowleftdownoutline_110924);
+            holder.ivIcon.setColorFilter(Color.parseColor("#E74C3C"));
+            holder.tvValor.setText("-" + transacao.getValor() + "€");
+            holder.tvValor.setTextColor(Color.parseColor("#E74C3C"));
+        }
+
+        holder.ivDelete.setOnClickListener(v -> {
+            if (listener != null) {
+                listener.onDeleteClick(transacao);
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return transacoesList.size();
+    }
+
+    public static class TransacaoViewHolder extends RecyclerView.ViewHolder {
+        ImageView ivIconBackground, ivIcon, ivDelete;
+        TextView tvDescricao, tvCategoria, tvData, tvValor;
+
+        public TransacaoViewHolder(@NonNull View itemView) {
+            super(itemView);
+            ivIconBackground = itemView.findViewById(R.id.ivIconBackground);
+            ivIcon = itemView.findViewById(R.id.ivIcon);
+            ivDelete = itemView.findViewById(R.id.ivDelete);
+            tvDescricao = itemView.findViewById(R.id.tvDescricao);
+            tvCategoria = itemView.findViewById(R.id.tvCategoria);
+            tvData = itemView.findViewById(R.id.tvData);
+            tvValor = itemView.findViewById(R.id.tvValor);
+        }
+    }
+}

app/src/main/java/com/example/lifegrid/menu/MetasFragment.java

@@ -14,16 +14,32 @@ import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ImageView;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import java.util.Calendar;
 import java.util.Locale;
 
 import com.example.lifegrid.R;
+import com.example.lifegrid.adapters.MetaAdapter;
 import com.example.lifegrid.models.Meta;
+import com.example.lifegrid.models.Transacao;
 import com.google.firebase.auth.FirebaseAuth;
+import com.google.firebase.auth.FirebaseUser;
+import com.google.firebase.database.DataSnapshot;
+import com.google.firebase.database.DatabaseError;
 import com.google.firebase.database.DatabaseReference;
 import com.google.firebase.database.FirebaseDatabase;
+import com.google.firebase.database.ValueEventListener;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
 
 /**
  * MetasFragment projeta objetivos futuros onde o utilizador fixa montantes e datas a alcançar 
@@ -31,6 +47,13 @@ import com.google.firebase.database.FirebaseDatabase;
  */
 public class MetasFragment extends Fragment {
 
+    private RecyclerView rvMetas;
+    private MetaAdapter metaAdapter;
+    private List<Meta> metasList;
+    private TextView tvEmptyState;
+    private DatabaseReference databaseReference;
+    private String userId;
+
     public MetasFragment() {
         // Construtor público vazio obrigatório
     }
@@ -49,8 +72,99 @@ public class MetasFragment extends Fragment {
         Button novaTransacaoButton = root.findViewById(R.id.novaTransacaoButton);
         novaTransacaoButton.setOnClickListener(v -> showNovaMetaDialog());
 
+        rvMetas = root.findViewById(R.id.rvMetas);
+        tvEmptyState = root.findViewById(R.id.textView13);
+
+        rvMetas.setLayoutManager(new LinearLayoutManager(requireContext()));
+        metasList = new ArrayList<>();
+        
+        metaAdapter = new MetaAdapter(metasList, new MetaAdapter.OnItemClickListener() {
+            @Override
+            public void onDeleteClick(Meta meta) {
+                new AlertDialog.Builder(requireContext())
+                        .setTitle("Excluir Meta")
+                        .setMessage("Tem a certeza que deseja excluir esta meta?")
+                        .setPositiveButton("Sim", (dialog, which) -> {
+                            if (databaseReference != null && userId != null && meta.getId() != null) {
+                                databaseReference.child("users").child(userId).child("metas").child(meta.getId()).removeValue();
+                                Toast.makeText(requireContext(), "Meta excluída.", Toast.LENGTH_SHORT).show();
+                            }
+                        })
+                        .setNegativeButton("Não", null)
+                        .show();
+            }
+
+            @Override
+            public void onAddValueClick(Meta meta, double valorAdicional, EditText editText) {
+                if (databaseReference != null && userId != null && meta.getId() != null) {
+                    double valorAtual = 0;
+                    if (meta.getValorGuardado() != null && !meta.getValorGuardado().isEmpty()) {
+                        valorAtual = Double.parseDouble(meta.getValorGuardado().replace(",", "."));
+                    }
+                    
+                    double novoValor = valorAtual + valorAdicional;
+                    
+                    // Update Meta
+                    databaseReference.child("users").child(userId).child("metas").child(meta.getId())
+                            .child("valorGuardado").setValue(String.format(Locale.US, "%.2f", novoValor));
+                            
+                    // Create a Despesa Transaction to adjust the global balance (Receitas - Despesas)
+                    String todayDate = new SimpleDateFormat("dd/MM/yyyy", Locale.getDefault()).format(new Date());
+                    Transacao transacao = new Transacao("Despesa", String.format(Locale.US, "%.2f", valorAdicional), "Investimento/Meta", "Adicionado à meta: " + meta.getNome(), todayDate);
+                    
+                    String key = databaseReference.child("users").child(userId).child("transacoes").push().getKey();
+                    if (key != null) {
+                        databaseReference.child("users").child(userId).child("transacoes").child(key).setValue(transacao);
+                    }
+                    
+                    editText.setText("");
+                    Toast.makeText(requireContext(), "Valor adicionado e despesa registada!", Toast.LENGTH_SHORT).show();
+                }
+            }
+        });
+        
+        rvMetas.setAdapter(metaAdapter);
+        
+        carregarMetas();
+
         return root;
     }
+    
+    private void carregarMetas() {
+        FirebaseUser currentUser = FirebaseAuth.getInstance().getCurrentUser();
+        if (currentUser == null) return;
+        
+        userId = currentUser.getUid();
+        databaseReference = FirebaseDatabase.getInstance().getReference();
+        
+        databaseReference.child("users").child(userId).child("metas").addValueEventListener(new ValueEventListener() {
+            @Override
+            public void onDataChange(@NonNull DataSnapshot snapshot) {
+                metasList.clear();
+                for (DataSnapshot ds : snapshot.getChildren()) {
+                    Meta m = ds.getValue(Meta.class);
+                    if (m != null) {
+                        m.setId(ds.getKey());
+                        metasList.add(m);
+                    }
+                }
+                metaAdapter.notifyDataSetChanged();
+                
+                if (metasList.isEmpty()) {
+                    tvEmptyState.setVisibility(View.VISIBLE);
+                    rvMetas.setVisibility(View.GONE);
+                } else {
+                    tvEmptyState.setVisibility(View.GONE);
+                    rvMetas.setVisibility(View.VISIBLE);
+                }
+            }
+
+            @Override
+            public void onCancelled(@NonNull DatabaseError error) {
+                Toast.makeText(requireContext(), "Erro ao carregar metas.", Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
 
     private void showNovaMetaDialog() {
         AlertDialog.Builder builder = new AlertDialog.Builder(requireContext());

app/src/main/java/com/example/lifegrid/menu/TransacoesFragment.java

@@ -25,12 +25,21 @@ import java.util.Calendar;
 import java.util.Locale;
 
 import com.example.lifegrid.R;
+import com.example.lifegrid.adapters.TransacaoAdapter;
 import com.example.lifegrid.models.Transacao;
-import com.google.firebase.Firebase;
 import com.google.firebase.auth.FirebaseAuth;
 import com.google.firebase.auth.FirebaseUser;
+import com.google.firebase.database.DataSnapshot;
+import com.google.firebase.database.DatabaseError;
 import com.google.firebase.database.DatabaseReference;
 import com.google.firebase.database.FirebaseDatabase;
+import com.google.firebase.database.ValueEventListener;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import java.util.ArrayList;
+import java.util.List;
 
 /**
  * TransacoesFragment controla a aba pertencente às listagens e histórico de carteira e gestão de dados base.
@@ -38,7 +47,12 @@ import com.google.firebase.database.FirebaseDatabase;
  */
 public class TransacoesFragment extends Fragment {
 
-
+    private RecyclerView rvTransacoes;
+    private TransacaoAdapter transacaoAdapter;
+    private List<Transacao> transacoesList;
+    private TextView tvEmptyState;
+    private DatabaseReference databaseReference;
+    private String userId;
 
     public TransacoesFragment() {
         // Construtor público vazio obrigatório
@@ -60,8 +74,67 @@ public class TransacoesFragment extends Fragment {
         Button novaTransacaoButton = root.findViewById(R.id.novaTransacaoButton);
         novaTransacaoButton.setOnClickListener(v -> showNovaTransacaoDialog());
 
+        rvTransacoes = root.findViewById(R.id.rvTransacoes);
+        tvEmptyState = root.findViewById(R.id.textView13);
+
+        rvTransacoes.setLayoutManager(new LinearLayoutManager(requireContext()));
+        transacoesList = new ArrayList<>();
+        
+        transacaoAdapter = new TransacaoAdapter(transacoesList, transacao -> {
+            new AlertDialog.Builder(requireContext())
+                    .setTitle("Excluir Transação")
+                    .setMessage("Tem a certeza que deseja excluir esta transação?")
+                    .setPositiveButton("Sim", (dialog, which) -> {
+                        if (databaseReference != null && userId != null && transacao.getId() != null) {
+                            databaseReference.child("users").child(userId).child("transacoes").child(transacao.getId()).removeValue();
+                            Toast.makeText(requireContext(), "Transação excluída.", Toast.LENGTH_SHORT).show();
+                        }
+                    })
+                    .setNegativeButton("Não", null)
+                    .show();
+        });
+        rvTransacoes.setAdapter(transacaoAdapter);
+
+        carregarTransacoes();
+
         return root;
     }
+    
+    private void carregarTransacoes() {
+        FirebaseUser currentUser = FirebaseAuth.getInstance().getCurrentUser();
+        if (currentUser == null) return;
+        
+        userId = currentUser.getUid();
+        databaseReference = FirebaseDatabase.getInstance().getReference();
+        
+        databaseReference.child("users").child(userId).child("transacoes").addValueEventListener(new ValueEventListener() {
+            @Override
+            public void onDataChange(@NonNull DataSnapshot snapshot) {
+                transacoesList.clear();
+                for (DataSnapshot ds : snapshot.getChildren()) {
+                    Transacao t = ds.getValue(Transacao.class);
+                    if (t != null) {
+                        t.setId(ds.getKey());
+                        transacoesList.add(t);
+                    }
+                }
+                transacaoAdapter.notifyDataSetChanged();
+                
+                if (transacoesList.isEmpty()) {
+                    tvEmptyState.setVisibility(View.VISIBLE);
+                    rvTransacoes.setVisibility(View.GONE);
+                } else {
+                    tvEmptyState.setVisibility(View.GONE);
+                    rvTransacoes.setVisibility(View.VISIBLE);
+                }
+            }
+
+            @Override
+            public void onCancelled(@NonNull DatabaseError error) {
+                Toast.makeText(requireContext(), "Erro ao carregar transações.", Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
 
     /**
      * Cria e monta manualmente uma janela Modal (Pop-up) a fim do utilizador preencher

app/src/main/java/com/example/lifegrid/models/Meta.java

@@ -5,6 +5,8 @@ public class Meta {
     private String categoria;
     private String valor;
     private String data;
+    private String valorGuardado = "0.00";
+    private String id;
 
     public Meta(){
     }
@@ -47,4 +49,22 @@ public class Meta {
     public void setData(String data) {
         this.data = data;
     }
+
+    public String getValorGuardado() {
+        return valorGuardado;
+    }
+
+    public void setValorGuardado(String valorGuardado) {
+        this.valorGuardado = valorGuardado;
+    }
+
+    @com.google.firebase.database.Exclude
+    public String getId() {
+        return id;
+    }
+
+    @com.google.firebase.database.Exclude
+    public void setId(String id) {
+        this.id = id;
+    }
 }

app/src/main/java/com/example/lifegrid/models/Transacao.java

@@ -6,6 +6,7 @@ public class Transacao {
     private String categoria;
     private String descricao;
     private String data;
+    private String id;
 
     public Transacao() {
     }
@@ -58,4 +59,14 @@ public class Transacao {
     public void setData(String data) {
         this.data = data;
     }
+
+    @com.google.firebase.database.Exclude
+    public String getId() {
+        return id;
+    }
+
+    @com.google.firebase.database.Exclude
+    public void setId(String id) {
+        this.id = id;
+    }
 }