erro

.idea/caches/deviceStreaming.xml

@@ -682,6 +682,18 @@
           <option name="screenX" value="2076" />
           <option name="screenY" value="2152" />
         </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="36" />
+          <option name="brand" value="google" />
+          <option name="codename" value="comet" />
+          <option name="id" value="comet" />
+          <option name="labId" value="google" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 9 Pro Fold" />
+          <option name="screenDensity" value="390" />
+          <option name="screenX" value="2076" />
+          <option name="screenY" value="2152" />
+        </PersistentDeviceSelectionData>
         <PersistentDeviceSelectionData>
           <option name="api" value="35" />
           <option name="brand" value="motorola" />

app/src/main/AndroidManifest.xml

@@ -31,7 +31,6 @@
         <activity android:name=".StatisticsActivity" />
         <activity android:name=".FindFriendsActivity" />
         <activity android:name=".TrophiesActivity" />
-        <activity android:name=".MyFriendsActivity" />
         <activity android:name=".AvatarEditorActivity" />
 
     </application>

app/src/main/java/com/fluxup/app/FindFriendsActivity.java

@@ -1,40 +1,60 @@
 package com.fluxup.app;
 
 import android.os.Bundle;
-import android.view.LayoutInflater;
+import android.text.Editable;
+import android.text.TextWatcher;
 import android.view.View;
-import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ImageButton;
-import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 import android.widget.Toast;
-
-import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.recyclerview.widget.LinearLayoutManager;
+import com.google.android.material.tabs.TabLayout;
-import androidx.recyclerview.widget.RecyclerView;
+import com.google.firebase.auth.FirebaseAuth;
+import com.google.firebase.firestore.DocumentSnapshot;
+import com.google.firebase.firestore.FieldValue;
+import com.google.firebase.firestore.FirebaseFirestore;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 public class FindFriendsActivity extends AppCompatActivity {
 
     private EditText etSearch;
     private LinearLayout resultsContainer;
-    private com.google.android.material.tabs.TabLayout tabLayout;
+    private TabLayout tabLayout;
     private ImageButton btnClose;
-    private String currentTab = "Sugestões";
+
+    private FirebaseFirestore db;
+    private String myUid;
+    private int activeTabPosition = 0; // 0: Sugestões, 1: Os meus amigos, 2: Pendentes
+
+    private List<Usuario> allFriends = new ArrayList<>();
+
+    private static class PendingRequest {
+        Usuario sender;
+        String requestId;
+        PendingRequest(Usuario sender, String requestId) {
+            this.sender = sender;
+            this.requestId = requestId;
+        }
+    }
+    private List<PendingRequest> allRequests = new ArrayList<>();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_find_friends);
 
+        db = FirebaseFirestore.getInstance();
+        myUid = FirebaseAuth.getInstance().getUid();
+
         initViews();
         setupListeners();
-        loadSuggestions();
+        loadTabContent();
     }
 
     private void initViews() {
@@ -47,62 +67,152 @@ public class FindFriendsActivity extends AppCompatActivity {
     private void setupListeners() {
         btnClose.setOnClickListener(v -> finish());
 
-        etSearch.addTextChangedListener(new android.text.TextWatcher() {
+        tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
-            @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
+            @Override
-            @Override public void onTextChanged(CharSequence s, int start, int before, int count) {
+            public void onTabSelected(TabLayout.Tab tab) {
-                if (s.length() > 0) {
+                activeTabPosition = tab.getPosition();
-                    performSearch(s.toString());
+                etSearch.setText(""); // Clear search when switching tabs
-                } else {
+                updateSearchHint();
-                    loadSuggestions();
+                loadTabContent();
-                }
             }
-            @Override public void afterTextChanged(android.text.Editable s) {}
+
+            @Override
+            public void onTabUnselected(TabLayout.Tab tab) {}
+
+            @Override
+            public void onTabReselected(TabLayout.Tab tab) {}
         });
 
-        tabLayout.addOnTabSelectedListener(new com.google.android.material.tabs.TabLayout.OnTabSelectedListener() {
+        etSearch.addTextChangedListener(new TextWatcher() {
             @Override
-            public void onTabSelected(com.google.android.material.tabs.TabLayout.Tab tab) {
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
-                currentTab = tab.getText().toString();
+
-                if (currentTab.equals("Sugestões")) loadSuggestions();
+            @Override
-                else resultsContainer.removeAllViews(); // Placeholder for others
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                performSearch(s.toString());
             }
-            @Override public void onTabUnselected(com.google.android.material.tabs.TabLayout.Tab tab) {}
+
-            @Override public void onTabReselected(com.google.android.material.tabs.TabLayout.Tab tab) {}
+            @Override
+            public void afterTextChanged(Editable s) {}
         });
     }
 
+    private void updateSearchHint() {
+        if (activeTabPosition == 0) {
+            etSearch.setHint("Procurar novas pessoas...");
+        } else if (activeTabPosition == 1) {
+            etSearch.setHint("Procurar amigos...");
+        } else {
+            etSearch.setHint("Procurar pedidos...");
+        }
+    }
+
+    private void loadTabContent() {
+        if (myUid == null) return;
+
+        resultsContainer.removeAllViews();
+
+        if (activeTabPosition == 0) {
+            loadSuggestionsTab("");
+        } else if (activeTabPosition == 1) {
+            loadFriendsTab();
+        } else {
+            loadRequestsTab();
+        }
+    }
+
     private void performSearch(String query) {
-        com.google.firebase.firestore.FirebaseFirestore.getInstance()
+        if (activeTabPosition == 0) {
-                .collection("users")
+            loadSuggestionsTab(query);
-                .orderBy("usuario")
+        } else if (activeTabPosition == 1) {
-                .startAt(query)
+            filterFriends(query);
-                .endAt(query + "\uf8ff")
+        } else {
-                .limit(10)
+            filterRequests(query);
+        }
+    }
+
+    // -------------------------------------------------------------------------
+    // TAB 0: SUGESTÕES (Discover)
+    // -------------------------------------------------------------------------
+    private void loadSuggestionsTab(String query) {
+        // Fetch all friend IDs + sent/received request IDs to exclude
+        db.collection("friendships")
+                .whereArrayContains("users", myUid)
                 .get()
-                .addOnSuccessListener(snapshots -> {
+                .addOnSuccessListener(friendSnapshots -> {
-                    resultsContainer.removeAllViews();
+                    List<String> excludedIds = new ArrayList<>();
-                    for (com.google.firebase.firestore.DocumentSnapshot doc : snapshots.getDocuments()) {
+                    excludedIds.add(myUid);
-                        Usuario u = doc.toObject(Usuario.class);
+
-                        if (u != null) addFriendItem(u);
+                    for (DocumentSnapshot doc : friendSnapshots.getDocuments()) {
+                        List<String> users = (List<String>) doc.get("users");
+                        if (users != null) {
+                            for (String uId : users) {
+                                if (!uId.equals(myUid)) excludedIds.add(uId);
+                            }
+                        }
                     }
+
+                    // Fetch sent requests
+                    db.collection("friend_requests")
+                            .whereEqualTo("fromUserId", myUid)
+                            .get()
+                            .addOnSuccessListener(sentSnap -> {
+                                for (DocumentSnapshot doc : sentSnap.getDocuments()) {
+                                    String toUser = doc.getString("toUserId");
+                                    if (toUser != null) excludedIds.add(toUser);
+                                }
+
+                                // Fetch received requests
+                                db.collection("friend_requests")
+                                        .whereEqualTo("toUserId", myUid)
+                                        .get()
+                                        .addOnSuccessListener(recvSnap -> {
+                                            for (DocumentSnapshot doc : recvSnap.getDocuments()) {
+                                                String fromUser = doc.getString("fromUserId");
+                                                if (fromUser != null) excludedIds.add(fromUser);
+                                            }
+
+                                            // Now query users
+                                            queryDiscoverUsers(excludedIds, query);
+                                        });
+                            });
                 });
     }
 
-    private void loadSuggestions() {
+    private void queryDiscoverUsers(List<String> excludedIds, String query) {
-        com.google.firebase.firestore.FirebaseFirestore.getInstance()
+        if (query.isEmpty()) {
-                .collection("users")
+            db.collection("users")
-                .limit(10)
+                    .limit(50)
-                .get()
+                    .get()
-                .addOnSuccessListener(snapshots -> {
+                    .addOnSuccessListener(snapshots -> {
-                    resultsContainer.removeAllViews();
+                        resultsContainer.removeAllViews();
-                    for (com.google.firebase.firestore.DocumentSnapshot doc : snapshots.getDocuments()) {
+                        for (DocumentSnapshot doc : snapshots.getDocuments()) {
-                        Usuario u = doc.toObject(Usuario.class);
+                            Usuario u = doc.toObject(Usuario.class);
-                        if (u != null) addFriendItem(u);
+                            if (u != null && !excludedIds.contains(u.id_usuario)) {
-                    }
+                                addDiscoverItem(u);
-                });
+                            }
+                        }
+                    });
+        } else {
+            db.collection("users")
+                    .orderBy("usuario")
+                    .startAt(query)
+                    .endAt(query + "\uf8ff")
+                    .limit(50)
+                    .get()
+                    .addOnSuccessListener(snapshots -> {
+                        resultsContainer.removeAllViews();
+                        for (DocumentSnapshot doc : snapshots.getDocuments()) {
+                            Usuario u = doc.toObject(Usuario.class);
+                            if (u != null && !excludedIds.contains(u.id_usuario)) {
+                                addDiscoverItem(u);
+                            }
+                        }
+                    });
+        }
     }
 
-    private void addFriendItem(Usuario user) {
+    private void addDiscoverItem(Usuario user) {
         View view = getLayoutInflater().inflate(R.layout.item_friend_action, resultsContainer, false);
         TextView tvName = view.findViewById(R.id.tvFriendName);
         TextView tvStats = view.findViewById(R.id.tvFriendStats);
@@ -110,18 +220,239 @@ public class FindFriendsActivity extends AppCompatActivity {
 
         tvName.setText(user.usuario);
         tvStats.setText("Nível " + user.level + " • " + user.xp + " XP");
-        
+        btnAction.setText("Adicionar");
+
         AvatarView ivAvatar = view.findViewById(R.id.ivFriendAvatar);
         if (ivAvatar != null && user.avatar != null) {
             ivAvatar.setAvatarData(user.avatar);
             ivAvatar.setLeague(user.league);
         }
-        
+
         btnAction.setOnClickListener(v -> {
             btnAction.setText("Pendente");
             btnAction.setEnabled(false);
             btnAction.setAlpha(0.5f);
-            Toast.makeText(this, "Pedido enviado para " + user.usuario, Toast.LENGTH_SHORT).show();
+
+            Map<String, Object> req = new HashMap<>();
+            req.put("fromUserId", myUid);
+            req.put("toUserId", user.id_usuario);
+            req.put("status", "pending");
+            req.put("timestamp", FieldValue.serverTimestamp());
+
+            String reqId = myUid + "_" + user.id_usuario;
+            db.collection("friend_requests").document(reqId).set(req)
+                    .addOnSuccessListener(aVoid -> {
+                        Toast.makeText(this, "Pedido enviado para " + user.usuario, Toast.LENGTH_SHORT).show();
+                    })
+                    .addOnFailureListener(e -> {
+                        btnAction.setText("Adicionar");
+                        btnAction.setEnabled(true);
+                        btnAction.setAlpha(1.0f);
+                        Toast.makeText(this, "Erro ao enviar pedido.", Toast.LENGTH_SHORT).show();
+                    });
+        });
+
+        resultsContainer.addView(view);
+    }
+
+    // -------------------------------------------------------------------------
+    // TAB 1: OS MEUS AMIGOS
+    // -------------------------------------------------------------------------
+    private void loadFriendsTab() {
+        db.collection("friendships")
+                .whereArrayContains("users", myUid)
+                .get()
+                .addOnSuccessListener(snapshots -> {
+                    allFriends.clear();
+                    if (snapshots.isEmpty()) {
+                        resultsContainer.removeAllViews();
+                        return;
+                    }
+
+                    List<String> friendIds = new ArrayList<>();
+                    for (DocumentSnapshot doc : snapshots.getDocuments()) {
+                        List<String> users = (List<String>) doc.get("users");
+                        if (users != null) {
+                            for (String uId : users) {
+                                if (!uId.equals(myUid)) friendIds.add(uId);
+                            }
+                        }
+                    }
+
+                    if (friendIds.isEmpty()) {
+                        resultsContainer.removeAllViews();
+                        return;
+                    }
+
+                    final int[] remaining = {friendIds.size()};
+                    for (String friendId : friendIds) {
+                        db.collection("users").document(friendId).get().addOnSuccessListener(snapshot -> {
+                            Usuario friend = snapshot.toObject(Usuario.class);
+                            if (friend != null) {
+                                allFriends.add(friend);
+                            }
+                            remaining[0]--;
+                            if (remaining[0] == 0) {
+                                filterFriends(etSearch.getText().toString());
+                            }
+                        }).addOnFailureListener(e -> {
+                            remaining[0]--;
+                            if (remaining[0] == 0) {
+                                filterFriends(etSearch.getText().toString());
+                            }
+                        });
+                    }
+                });
+    }
+
+    private void filterFriends(String query) {
+        resultsContainer.removeAllViews();
+        for (Usuario friend : allFriends) {
+            if (query.isEmpty() || friend.usuario.toLowerCase().contains(query.toLowerCase())) {
+                addFriendItem(friend);
+            }
+        }
+    }
+
+    private void addFriendItem(Usuario friend) {
+        View view = getLayoutInflater().inflate(R.layout.item_friend_action, resultsContainer, false);
+        TextView tvName = view.findViewById(R.id.tvFriendName);
+        TextView tvStats = view.findViewById(R.id.tvFriendStats);
+        Button btnAction = view.findViewById(R.id.btnFriendAction);
+
+        tvName.setText(friend.usuario);
+        tvStats.setText("Nível " + friend.level + " • " + friend.xp + " XP • 🔥 " + friend.streak);
+        btnAction.setText("Ver perfil");
+
+        AvatarView ivAvatar = view.findViewById(R.id.ivFriendAvatar);
+        if (ivAvatar != null && friend.avatar != null) {
+            ivAvatar.setAvatarData(friend.avatar);
+            ivAvatar.setLeague(friend.league);
+        }
+
+        View.OnClickListener clickListener = v -> {
+            Toast.makeText(this, "Perfil de " + friend.usuario, Toast.LENGTH_SHORT).show();
+        };
+
+        btnAction.setOnClickListener(clickListener);
+        view.setOnClickListener(clickListener);
+
+        resultsContainer.addView(view);
+    }
+
+    // -------------------------------------------------------------------------
+    // TAB 2: PENDENTES (Requests)
+    // -------------------------------------------------------------------------
+    private void loadRequestsTab() {
+        db.collection("friend_requests")
+                .whereEqualTo("toUserId", myUid)
+                .whereEqualTo("status", "pending")
+                .get()
+                .addOnSuccessListener(snapshots -> {
+                    allRequests.clear();
+                    if (snapshots.isEmpty()) {
+                        resultsContainer.removeAllViews();
+                        return;
+                    }
+
+                    List<String> senderIds = new ArrayList<>();
+                    Map<String, String> requestMap = new HashMap<>(); // senderId -> requestId
+
+                    for (DocumentSnapshot doc : snapshots.getDocuments()) {
+                        String fromUserId = doc.getString("fromUserId");
+                        if (fromUserId != null) {
+                            senderIds.add(fromUserId);
+                            requestMap.put(fromUserId, doc.getId());
+                        }
+                    }
+
+                    final int[] remaining = {senderIds.size()};
+                    for (String senderId : senderIds) {
+                        db.collection("users").document(senderId).get().addOnSuccessListener(userSnap -> {
+                            Usuario sender = userSnap.toObject(Usuario.class);
+                            if (sender != null) {
+                                allRequests.add(new PendingRequest(sender, requestMap.get(senderId)));
+                            }
+                            remaining[0]--;
+                            if (remaining[0] == 0) {
+                                filterRequests(etSearch.getText().toString());
+                            }
+                        }).addOnFailureListener(e -> {
+                            remaining[0]--;
+                            if (remaining[0] == 0) {
+                                filterRequests(etSearch.getText().toString());
+                            }
+                        });
+                    }
+                });
+    }
+
+    private void filterRequests(String query) {
+        resultsContainer.removeAllViews();
+        for (PendingRequest req : allRequests) {
+            if (query.isEmpty() || req.sender.usuario.toLowerCase().contains(query.toLowerCase())) {
+                addRequestItem(req.sender, req.requestId);
+            }
+        }
+    }
+
+    private void addRequestItem(Usuario sender, String requestId) {
+        View view = getLayoutInflater().inflate(R.layout.item_friend_request, resultsContainer, false);
+        TextView tvName = view.findViewById(R.id.tvFriendName);
+        TextView tvStats = view.findViewById(R.id.tvFriendStats);
+        Button btnAccept = view.findViewById(R.id.btnAcceptFriend);
+        Button btnReject = view.findViewById(R.id.btnRejectFriend);
+
+        tvName.setText(sender.usuario);
+        tvStats.setText(sender.xp + " XP");
+
+        AvatarView ivAvatar = view.findViewById(R.id.ivFriendAvatar);
+        if (ivAvatar != null && sender.avatar != null) {
+            ivAvatar.setAvatarData(sender.avatar);
+            ivAvatar.setLeague(sender.league);
+        }
+
+        btnAccept.setOnClickListener(v -> {
+            btnAccept.setEnabled(false);
+            btnReject.setEnabled(false);
+
+            String friendshipId = myUid.compareTo(sender.id_usuario) < 0 ? myUid + "_" + sender.id_usuario : sender.id_usuario + "_" + myUid;
+            Map<String, Object> friendship = new HashMap<>();
+            List<String> users = new ArrayList<>();
+            users.add(myUid);
+            users.add(sender.id_usuario);
+            friendship.put("users", users);
+            friendship.put("timestamp", FieldValue.serverTimestamp());
+
+            db.collection("friendships").document(friendshipId).set(friendship)
+                    .addOnSuccessListener(aVoid -> {
+                        db.collection("friend_requests").document(requestId).delete()
+                                .addOnSuccessListener(aVoid2 -> {
+                                    Toast.makeText(this, "Pedido de " + sender.usuario + " aceite!", Toast.LENGTH_SHORT).show();
+                                    loadTabContent();
+                                });
+                    })
+                    .addOnFailureListener(e -> {
+                        btnAccept.setEnabled(true);
+                        btnReject.setEnabled(true);
+                        Toast.makeText(this, "Erro ao aceitar pedido.", Toast.LENGTH_SHORT).show();
+                    });
+        });
+
+        btnReject.setOnClickListener(v -> {
+            btnAccept.setEnabled(false);
+            btnReject.setEnabled(false);
+
+            db.collection("friend_requests").document(requestId).delete()
+                    .addOnSuccessListener(aVoid -> {
+                        Toast.makeText(this, "Pedido recusado.", Toast.LENGTH_SHORT).show();
+                        loadTabContent();
+                    })
+                    .addOnFailureListener(e -> {
+                        btnAccept.setEnabled(true);
+                        btnReject.setEnabled(true);
+                        Toast.makeText(this, "Erro ao recusar pedido.", Toast.LENGTH_SHORT).show();
+                    });
         });
 
         resultsContainer.addView(view);

app/src/main/java/com/fluxup/app/InicioFragment.java

@@ -42,12 +42,11 @@ public class InicioFragment extends Fragment {
     private TextView tvTimer, tvGreeting, tvMotivationalSubtitle, tvFocusStatus, tvFocusTitle;
     private AvatarView ivUserAvatar;
     private TextView tvTodayStreak, tvTodayXP, tvTodayTasksCount, tvNoTasksIncentive;
-    private TextView tvDailyRewardGoal;
     private ProgressBar pbDailyTasksProgress;
     private androidx.recyclerview.widget.RecyclerView rvTasks;
     private TasksAdapter tasksAdapter;
     private LinearLayout miniRankingContainer, layoutTasksSection;
-    private Button btnStartFocus, btnSecondaryFocus, btnAddTasks, btnClaimReward;
+    private Button btnStartFocus, btnSecondaryFocus, btnAddTasks;
     private androidx.cardview.widget.CardView btnStreakPage;
     
     private CountDownTimer countDownTimer;
@@ -145,10 +144,15 @@ public class InicioFragment extends Fragment {
             startActivity(new android.content.Intent(getActivity(), TrophiesActivity.class));
         });
 
-        // Reward
+        // Promo Card to Rewards Tab
-        tvDailyRewardGoal = view.findViewById(R.id.tvDailyRewardGoal);
+        view.findViewById(R.id.cardRewardsPromo).setOnClickListener(v -> {
-        btnClaimReward = view.findViewById(R.id.btnClaimReward);
+            if (getActivity() instanceof MainActivity) {
-        btnClaimReward.setOnClickListener(v -> claimDailyReward());
+                BottomNavigationView nav = ((MainActivity) getActivity()).findViewById(R.id.bottom_navigation);
+                if (nav != null) {
+                    nav.setSelectedItemId(R.id.nav_rewards);
+                }
+            }
+        });
 
         // Streak Page
         btnStreakPage = view.findViewById(R.id.btnStreakPage);
@@ -797,33 +801,27 @@ public class InicioFragment extends Fragment {
         }
     }
 
-    private void claimDailyReward() {
+
-        FirebaseUser currentUser = AuthManager.getInstance().getCurrentUser();
-        if (currentUser != null) {
-            String today = new java.text.SimpleDateFormat("yyyy-MM-dd", java.util.Locale.US).format(new java.util.Date());
-            Map<String, Object> updates = new HashMap<>();
-            updates.put("last_reward_claim_date", today);
-            FirestoreManager.getInstance().updateUserStats(currentUser.getUid(), updates);
-            addXP(100);
-            
-            btnClaimReward.setEnabled(false);
-            btnClaimReward.setText("Resgatado");
-            btnClaimReward.setAlpha(0.5f);
-            
-            if (getContext() != null) {
-                Toast.makeText(getContext(), "Recompensa diária resgatada! +100 XP", Toast.LENGTH_LONG).show();
-            }
-        }
-    }
 
     private void showDeleteConfirmDialog(Task task) {
         new com.google.android.material.dialog.MaterialAlertDialogBuilder(getContext())
-                .setTitle("Eliminar Tarefa")
+                .setTitle("Apagar Tarefa")
-                .setMessage("Tens a certeza que queres eliminar esta tarefa?")
+                .setMessage("Tens a certeza que queres apagar esta tarefa?")
                 .setNegativeButton("Cancelar", null)
-                .setPositiveButton("Sim", (dialog, which) -> {
+                .setPositiveButton("Apagar", (dialog, which) -> {
-                    FirestoreManager.getInstance().deleteTask(task.id);
+                    com.google.firebase.firestore.FirebaseFirestore.getInstance()
-                    refreshHomeStats();
+                            .collection("tasks").document(task.id).delete()
+                            .addOnSuccessListener(aVoid -> {
+                                refreshHomeStats();
+                                if (getContext() != null) {
+                                    Toast.makeText(getContext(), "Tarefa apagada.", Toast.LENGTH_SHORT).show();
+                                }
+                            })
+                            .addOnFailureListener(e -> {
+                                if (getContext() != null) {
+                                    Toast.makeText(getContext(), "Erro ao apagar tarefa: " + e.getLocalizedMessage(), Toast.LENGTH_LONG).show();
+                                }
+                            });
                 })
                 .show();
     }
@@ -1150,6 +1148,7 @@ public class InicioFragment extends Fragment {
         new com.google.android.material.dialog.MaterialAlertDialogBuilder(getContext())
                 .setTitle("Editar Tarefa")
                 .setView(dialogView)
+                .setNeutralButton("Apagar", (dialog, which) -> showDeleteConfirmDialog(task))
                 .setNegativeButton("Cancelar", null)
                 .setPositiveButton("Atualizar", (dialog, which) -> {
                     String title = etTitle.getText().toString().trim();

app/src/main/java/com/fluxup/app/MainActivity.java

@@ -48,6 +48,8 @@ public class MainActivity extends AppCompatActivity {
             } else if (itemId == R.id.nav_trophies) {
                 startActivity(new android.content.Intent(this, TrophiesActivity.class));
                 return true;
+            } else if (itemId == R.id.nav_rewards) {
+                selectedFragment = new RewardsFragment();
             } else if (itemId == R.id.nav_profile) {
                 selectedFragment = new ProfileFragment();
             } else if (itemId == R.id.nav_search) {

app/src/main/java/com/fluxup/app/MyFriendsActivity.java

@@ -1,109 +0,0 @@
-package com.fluxup.app;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.View;
-import android.widget.EditText;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-import android.widget.Toast;
-import androidx.appcompat.app.AppCompatActivity;
-import com.google.firebase.auth.FirebaseAuth;
-import com.google.firebase.firestore.FirebaseFirestore;
-import java.util.ArrayList;
-import java.util.List;
-
-public class MyFriendsActivity extends AppCompatActivity {
-
-    private EditText etSearch;
-    private LinearLayout friendsContainer, emptyState;
-    private TextView tvFriendsCount;
-    private FirebaseFirestore db;
-    private String myUid;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_my_friends);
-
-        db = FirebaseFirestore.getInstance();
-        myUid = FirebaseAuth.getInstance().getUid();
-
-        etSearch = findViewById(R.id.etSearchFriends);
-        friendsContainer = findViewById(R.id.friendsListContainer);
-        emptyState = findViewById(R.id.emptyStateContainer);
-        tvFriendsCount = findViewById(R.id.tvFriendsCount);
-
-        findViewById(R.id.btnBack).setOnClickListener(v -> finish());
-        findViewById(R.id.btnFindNewFriends).setOnClickListener(v -> startActivity(new Intent(this, FindFriendsActivity.class)));
-        findViewById(R.id.btnGoToFindFriends).setOnClickListener(v -> startActivity(new Intent(this, FindFriendsActivity.class)));
-
-        loadFriends();
-    }
-
-    private void loadFriends() {
-        if (myUid == null) return;
-
-        // Fetching users I follow
-        db.collection("follows")
-                .whereEqualTo("followerId", myUid)
-                .get()
-                .addOnSuccessListener(snapshots -> {
-                    if (snapshots.isEmpty()) {
-                        showEmptyState(true);
-                        return;
-                    }
-                    
-                    showEmptyState(false);
-                    tvFriendsCount.setText(snapshots.size() + " Amigos");
-                    friendsContainer.removeAllViews();
-                    
-                    for (com.google.firebase.firestore.DocumentSnapshot doc : snapshots.getDocuments()) {
-                        String friendId = doc.getString("followingId");
-                        if (friendId != null) {
-                            fetchFriendDetails(friendId);
-                        }
-                    }
-                });
-    }
-
-    private void fetchFriendDetails(String friendId) {
-        db.collection("users").document(friendId).get().addOnSuccessListener(snapshot -> {
-            Usuario friend = snapshot.toObject(Usuario.class);
-            if (friend != null) {
-                addFriendItem(friend);
-            }
-        });
-    }
-
-    private void addFriendItem(Usuario friend) {
-        View view = getLayoutInflater().inflate(R.layout.item_ranking_user, friendsContainer, false);
-        TextView tvName = view.findViewById(R.id.tvRankingName);
-        TextView tvXP = view.findViewById(R.id.tvRankingXP);
-        TextView tvLabel = view.findViewById(R.id.tvRankingLabelTu);
-        
-        tvName.setText(friend.usuario);
-        tvXP.setText(friend.xp + " XP");
-        tvLabel.setText("Nível " + friend.level);
-        tvLabel.setVisibility(View.VISIBLE);
-        tvLabel.setTextColor(getResources().getColor(R.color.primary_purple));
-
-        AvatarView ivAvatar = view.findViewById(R.id.ivRankingAvatar);
-        if (ivAvatar != null && friend.avatar != null) {
-            ivAvatar.setAvatarData(friend.avatar);
-            ivAvatar.setLeague(friend.league);
-        }
-
-        view.setOnClickListener(v -> {
-            // Open public profile (future)
-            Toast.makeText(this, "Perfil de " + friend.usuario, Toast.LENGTH_SHORT).show();
-        });
-
-        friendsContainer.addView(view);
-    }
-
-    private void showEmptyState(boolean show) {
-        emptyState.setVisibility(show ? View.VISIBLE : View.GONE);
-        friendsContainer.setVisibility(show ? View.GONE : View.VISIBLE);
-    }
-}

app/src/main/java/com/fluxup/app/ProfileFragment.java

@@ -134,19 +134,19 @@ public class ProfileFragment extends Fragment {
         // Add Friends (+)
         View btnAddFriends = view.findViewById(R.id.btnAddFriends);
         if (btnAddFriends != null) {
-            btnAddFriends.setOnClickListener(v -> startActivity(new Intent(getActivity(), MyFriendsActivity.class)));
+            btnAddFriends.setOnClickListener(v -> startActivity(new Intent(getActivity(), FindFriendsActivity.class)));
         }
 
         // View All Friends
         View btnViewAllFriends = view.findViewById(R.id.btnViewAllFriends);
         if (btnViewAllFriends != null) {
-            btnViewAllFriends.setOnClickListener(v -> startActivity(new Intent(getActivity(), MyFriendsActivity.class)));
+            btnViewAllFriends.setOnClickListener(v -> startActivity(new Intent(getActivity(), FindFriendsActivity.class)));
         }
 
         // Find Friends (ADICIONAR AMIGOS)
         View btnFindFriends = view.findViewById(R.id.btnFindFriends);
         if (btnFindFriends != null) {
-            btnFindFriends.setOnClickListener(v -> startActivity(new Intent(getActivity(), MyFriendsActivity.class)));
+            btnFindFriends.setOnClickListener(v -> startActivity(new Intent(getActivity(), FindFriendsActivity.class)));
         }
 
         // View All Badges
@@ -408,21 +408,39 @@ public class ProfileFragment extends Fragment {
     }
 
     private void startObservingFriends() {
+        if (AuthManager.getInstance().getCurrentUser() == null) return;
+        String myUid = AuthManager.getInstance().getCurrentUser().getUid();
         friendsListener = com.google.firebase.firestore.FirebaseFirestore.getInstance()
-                .collection("users")
+                .collection("friendships")
+                .whereArrayContains("users", myUid)
                 .limit(3)
                 .addSnapshotListener((snapshots, e) -> {
                     if (e != null || snapshots == null) return;
                     friendsListContainer.removeAllViews();
                     for (com.google.firebase.firestore.DocumentSnapshot doc : snapshots.getDocuments()) {
-                        Usuario f = doc.toObject(Usuario.class);
+                        List<String> users = (List<String>) doc.get("users");
-                        if (f != null && !f.id_usuario.equals(AuthManager.getInstance().getCurrentUser().getUid())) {
+                        if (users != null) {
-                            addFriendItem(f);
+                            for (String uId : users) {
+                                if (!uId.equals(myUid)) {
+                                    fetchAndAddProfileFriendItem(uId);
+                                }
+                            }
                         }
                     }
                 });
     }
 
+    private void fetchAndAddProfileFriendItem(String friendId) {
+        com.google.firebase.firestore.FirebaseFirestore.getInstance()
+                .collection("users").document(friendId).get().addOnSuccessListener(snapshot -> {
+                    if (getContext() == null || view == null) return;
+                    Usuario friend = snapshot.toObject(Usuario.class);
+                    if (friend != null) {
+                        addFriendItem(friend);
+                    }
+                });
+    }
+
     private void addFriendItem(Usuario friend) {
         View v = getLayoutInflater().inflate(R.layout.item_ranking_user, friendsListContainer, false);
         ((TextView) v.findViewById(R.id.tvRankingName)).setText(friend.usuario);

app/src/main/java/com/fluxup/app/TrophiesActivity.java

@@ -12,6 +12,8 @@ import androidx.appcompat.app.AppCompatActivity;
 import android.widget.Button;
 import android.widget.ProgressBar;
 import java.util.Calendar;
+import java.util.ArrayList;
+import java.util.List;
 import com.google.firebase.auth.FirebaseAuth;
 import com.google.firebase.firestore.ListenerRegistration;
 import android.graphics.Color;
@@ -219,26 +221,94 @@ public class TrophiesActivity extends AppCompatActivity {
     }
 
     private void observeRanking(String filter) {
-        if (rankingListener != null) rankingListener.remove();
+        if (rankingListener != null) {
+            rankingListener.remove();
+            rankingListener = null;
+        }
 
-        com.google.firebase.firestore.Query query = com.google.firebase.firestore.FirebaseFirestore.getInstance()
+        String myUid = mAuth.getUid();
-                .collection("users")
+        android.util.Log.d("FLUXUP_DEBUG", "CURRENT_USER_ID: " + myUid);
-                .orderBy("xp_semanal", com.google.firebase.firestore.Query.Direction.DESCENDING)
+        android.util.Log.d("FLUXUP_DEBUG", "LEAGUE_TAB_SELECTED: " + filter);
-                .limit(20);
 
-        rankingListener = query.addSnapshotListener((snapshots, e) -> {
+        if ("friends".equals(filter)) {
-            if (e != null || snapshots == null) return;
+            // Load accepted friends from "friendships"
-            rankingContainer.removeAllViews();
+            com.google.firebase.firestore.FirebaseFirestore.getInstance()
-            
+                    .collection("friendships")
-            int position = 1;
+                    .whereArrayContains("users", myUid)
-            String myUid = mAuth.getUid();
+                    .get()
+                    .addOnSuccessListener(snapshots -> {
+                        List<String> friendIds = new ArrayList<>();
+                        for (com.google.firebase.firestore.DocumentSnapshot doc : snapshots.getDocuments()) {
+                            List<String> users = (List<String>) doc.get("users");
+                            if (users != null) {
+                                for (String uId : users) {
+                                    if (!uId.equals(myUid)) {
+                                        friendIds.add(uId);
+                                    }
+                                }
+                            }
+                        }
 
-            for (com.google.firebase.firestore.DocumentSnapshot doc : snapshots.getDocuments()) {
+                        android.util.Log.d("FLUXUP_DEBUG", "MY_ACCEPTED_FRIENDS_COUNT: " + friendIds.size());
-                Usuario user = doc.toObject(Usuario.class);
+                        android.util.Log.d("FLUXUP_DEBUG", "LEAGUE_FRIENDS_LIST: " + friendIds.toString());
-                if (user == null) continue;
+
-                addRankingItem(position++, user, myUid);
+                        rankingContainer.removeAllViews();
-            }
+                        if (friendIds.isEmpty()) {
-        });
+                            return;
+                        }
+
+                        // Fetch details of all friends and sort by xp_semanal desc
+                        List<Usuario> friendList = new ArrayList<>();
+                        final int[] remaining = {friendIds.size()};
+                        for (String friendId : friendIds) {
+                            com.google.firebase.firestore.FirebaseFirestore.getInstance()
+                                    .collection("users").document(friendId).get().addOnSuccessListener(userSnap -> {
+                                        Usuario friend = userSnap.toObject(Usuario.class);
+                                        if (friend != null) {
+                                            friendList.add(friend);
+                                        }
+                                        remaining[0]--;
+                                        if (remaining[0] == 0) {
+                                            // Sort by xp_semanal descending
+                                            friendList.sort((u1, u2) -> Integer.compare(u2.xp_semanal, u1.xp_semanal));
+                                            int pos = 1;
+                                            for (Usuario u : friendList) {
+                                                addRankingItem(pos++, u, myUid);
+                                            }
+                                        }
+                                    }).addOnFailureListener(e -> {
+                                        remaining[0]--;
+                                        if (remaining[0] == 0) {
+                                            friendList.sort((u1, u2) -> Integer.compare(u2.xp_semanal, u1.xp_semanal));
+                                            int pos = 1;
+                                            for (Usuario u : friendList) {
+                                                addRankingItem(pos++, u, myUid);
+                                            }
+                                        }
+                                    });
+                        }
+                    });
+        } else {
+            // Global ranking
+            com.google.firebase.firestore.Query query = com.google.firebase.firestore.FirebaseFirestore.getInstance()
+                    .collection("users")
+                    .orderBy("xp_semanal", com.google.firebase.firestore.Query.Direction.DESCENDING)
+                    .limit(20);
+
+            rankingListener = query.addSnapshotListener((snapshots, e) -> {
+                if (e != null || snapshots == null) return;
+                
+                android.util.Log.d("FLUXUP_DEBUG", "GLOBAL_RANKING_COUNT: " + snapshots.size());
+                
+                rankingContainer.removeAllViews();
+                int position = 1;
+                for (com.google.firebase.firestore.DocumentSnapshot doc : snapshots.getDocuments()) {
+                    Usuario user = doc.toObject(Usuario.class);
+                    if (user == null) continue;
+                    addRankingItem(position++, user, myUid);
+                }
+            });
+        }
     }
 
     private void addRankingItem(int pos, Usuario user, String myUid) {

app/src/main/java/com/fluxup/app/Usuario.java

@@ -40,6 +40,15 @@ public class Usuario {
     public AvatarData avatar = new AvatarData(); // Avatar gamificado
     public java.util.List<String> dias_concluidos = new java.util.ArrayList<>();
 
+    // Gamification & Rewards
+    public int login_streak = 0;
+    public String last_login_claim_date = ""; // YYYY-MM-DD
+    public java.util.List<String> claimed_missions_today = new java.util.ArrayList<>();
+    public String claimed_missions_date = ""; // YYYY-MM-DD
+    public java.util.List<String> claimed_streak_rewards = new java.util.ArrayList<>();
+    public String last_box_open_date = ""; // YYYY-MM-DD
+    public int coins = 0;
+
     public Usuario() {}
 
     public Usuario(String id_usuario, String usuario, String email, String palavra_passe, String numero) {

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

@@ -1,122 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.coordinatorlayout.widget.CoordinatorLayout 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:background="@color/background_light">
-
-    <com.google.android.material.appbar.AppBarLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="@color/card_background"
-        app:elevation="0dp">
-
-        <RelativeLayout
-            android:layout_width="match_parent"
-            android:layout_height="64dp"
-            android:paddingHorizontal="16dp">
-
-            <ImageButton
-                android:id="@+id/btnBack"
-                android:layout_width="48dp"
-                android:layout_height="48dp"
-                android:layout_centerVertical="true"
-                android:background="?attr/selectableItemBackgroundBorderless"
-                android:src="@drawable/ic_back"
-                app:tint="@color/text_primary" />
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_centerInParent="true"
-                android:text="Os Meus Amigos"
-                android:textColor="@color/text_primary"
-                android:textSize="20sp"
-                android:textStyle="bold" />
-        </RelativeLayout>
-    </com.google.android.material.appbar.AppBarLayout>
-
-    <androidx.core.widget.NestedScrollView
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        app:layout_behavior="@string/appbar_scrolling_view_behavior">
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:padding="20dp">
-
-            <EditText
-                android:id="@+id/etSearchFriends"
-                android:layout_width="match_parent"
-                android:layout_height="50dp"
-                android:background="@drawable/edittext_bg"
-                android:hint="Pesquisar amigos..."
-                android:paddingHorizontal="16dp"
-                android:layout_marginBottom="20dp"
-                android:drawableStart="@drawable/ic_nav_search"
-                android:drawablePadding="12dp"
-                android:maxLines="1"
-                android:inputType="text"/>
-
-            <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"
-                android:layout_marginBottom="16dp">
-                
-                <TextView
-                    android:id="@+id/tvFriendsCount"
-                    android:layout_width="0dp"
-                    android:layout_height="wrap_content"
-                    android:layout_weight="1"
-                    android:text="0 Amigos"
-                    android:textStyle="bold"
-                    android:textColor="@color/text_primary"/>
-                
-                <TextView
-                    android:id="@+id/btnFindNewFriends"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="Encontrar Novos"
-                    android:textColor="@color/primary_purple"
-                    android:textStyle="bold"/>
-            </LinearLayout>
-
-            <LinearLayout
-                android:id="@+id/friendsListContainer"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="vertical" />
-
-            <LinearLayout
-                android:id="@+id/emptyStateContainer"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:gravity="center"
-                android:orientation="vertical"
-                android:padding="40dp"
-                android:visibility="gone">
-                
-                <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="Ainda não tens amigos adicionados."
-                    android:textAlignment="center"
-                    android:textColor="@color/text_secondary"
-                    android:layout_marginBottom="20dp"/>
-                
-                <Button
-                    android:id="@+id/btnGoToFindFriends"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="Encontrar Amigos"
-                    android:backgroundTint="@color/primary_purple"
-                    android:textAllCaps="false"/>
-            </LinearLayout>
-
-        </LinearLayout>
-    </androidx.core.widget.NestedScrollView>
-
-</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -443,14 +443,17 @@
             </LinearLayout>
         </androidx.cardview.widget.CardView>
 
-        <!-- 7. 🎁 RECOMPENSA DIÁRIA -->
+        <!-- 7. 🎁 ACESSO ÀS RECOMPENSAS -->
         <androidx.cardview.widget.CardView
+            android:id="@+id/cardRewardsPromo"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginBottom="32dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:foreground="?attr/selectableItemBackground"
             app:cardCornerRadius="@dimen/radius_duo"
-            app:cardElevation="2dp"
+            app:cardElevation="2dp">
-            app:cardBackgroundColor="@color/primary_purple">
 
             <LinearLayout
                 android:layout_width="match_parent"
@@ -471,36 +474,30 @@
                     android:layout_height="wrap_content"
                     android:layout_weight="1"
                     android:orientation="vertical"
-                    android:layout_marginStart="16dp">
+                    android:layout_marginStart="16dp"
+                    android:layout_marginEnd="8dp">
 
                     <TextView
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        android:text="Presente diário"
+                        android:text="Central de Recompensas"
-                        android:textColor="@color/white"
+                        android:textColor="@color/text_primary"
                         android:textStyle="bold"
                         android:textSize="16sp"/>
 
                     <TextView
-                        android:id="@+id/tvDailyRewardGoal"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        android:text="Completa 3 tarefas hoje para ganhar +100 XP"
+                        android:text="Resgata prémios, missões e sequências diárias!"
-                        android:textColor="@color/white"
+                        android:textColor="@color/text_secondary"
-                        android:alpha="0.8"
                         android:textSize="12sp"/>
                 </LinearLayout>
 
-                <Button
+                <ImageView
-                    android:id="@+id/btnClaimReward"
+                    android:layout_width="24dp"
-                    android:layout_width="wrap_content"
+                    android:layout_height="24dp"
-                    android:layout_height="wrap_content"
+                    android:src="@drawable/ic_arrow_right"
-                    android:text="Resgatar"
+                    app:tint="@color/primary_purple"/>
-                    android:textSize="12sp"
-                    android:textColor="@color/primary_purple"
-                    android:backgroundTint="@color/white"
-                    android:enabled="false"
-                    style="@style/Widget.MaterialComponents.Button.UnelevatedButton"/>
             </LinearLayout>
         </androidx.cardview.widget.CardView>
 

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

@@ -8,6 +8,10 @@
         android:id="@+id/nav_trophies"
         android:icon="@drawable/ic_nav_trophy"
         android:title="Troféus" />
+    <item
+        android:id="@+id/nav_rewards"
+        android:icon="@drawable/ic_nav_rewards"
+        android:title="Recompensas" />
     <item
         android:id="@+id/nav_profile"
         android:icon="@drawable/ic_nav_profile"