adicao de botao de terminar sessao

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

@@ -1,8 +1,12 @@
 package com.example.vdcscore;
 
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.os.Bundle;
 import android.view.View;
 import android.view.Menu;
+import android.widget.ImageView;
+import android.widget.TextView;
 
 import com.google.android.material.snackbar.Snackbar;
 import com.google.android.material.navigation.NavigationView;
@@ -15,6 +19,10 @@ import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.appcompat.app.AppCompatActivity;
 
 import com.example.vdcscore.databinding.ActivityMainBinding;
+import com.google.firebase.auth.FirebaseAuth;
+import com.google.firebase.auth.FirebaseUser;
+
+import java.io.InputStream;
 
 public class MainActivity extends AppCompatActivity {
 
@@ -48,6 +56,88 @@ public class MainActivity extends AppCompatActivity {
         NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_content_main);
         NavigationUI.setupActionBarWithNavController(this, navController, mAppBarConfiguration);
         NavigationUI.setupWithNavController(navigationView, navController);
+        
+        // Carregar dados do utilizador no menu lateral
+        loadUserDataInNavHeader();
+    }
+    
+    private void loadUserDataInNavHeader() {
+        FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
+        if (user == null) return;
+        
+        View headerView = binding.navView.getHeaderView(0);
+        TextView textViewName = headerView.findViewById(R.id.textViewName);
+        TextView textViewEmail = headerView.findViewById(R.id.textView);
+        ImageView imageView = headerView.findViewById(R.id.imageView);
+        
+        // Carregar nome
+        if (textViewName != null) {
+            if (user.getDisplayName() != null && !user.getDisplayName().isEmpty()) {
+                textViewName.setText(user.getDisplayName());
+            } else {
+                textViewName.setText("Utilizador");
+            }
+        }
+        
+        // Carregar email
+        if (textViewEmail != null && user.getEmail() != null) {
+            textViewEmail.setText(user.getEmail());
+        }
+        
+        // Carregar foto de perfil
+        if (imageView != null && user.getPhotoUrl() != null) {
+            loadProfileImageInNavHeader(user.getPhotoUrl().toString(), imageView);
+        } else {
+            // Tentar carregar do Storage
+            loadProfileImageFromStorage(imageView);
+        }
+    }
+    
+    private void loadProfileImageInNavHeader(String imageUrl, ImageView imageView) {
+        new Thread(() -> {
+            InputStream input = null;
+            try {
+                java.net.URL url = new java.net.URL(imageUrl);
+                java.net.HttpURLConnection connection = (java.net.HttpURLConnection) url.openConnection();
+                connection.setDoInput(true);
+                connection.connect();
+                input = connection.getInputStream();
+                Bitmap bitmap = BitmapFactory.decodeStream(input);
+                runOnUiThread(() -> {
+                    if (bitmap != null && imageView != null) {
+                        imageView.setImageBitmap(bitmap);
+                        imageView.setScaleType(android.widget.ImageView.ScaleType.CENTER_CROP);
+                    }
+                });
+            } catch (Exception e) {
+                // Se falhar, tentar carregar do Storage
+                runOnUiThread(() -> loadProfileImageFromStorage(imageView));
+            } finally {
+                if (input != null) {
+                    try {
+                        input.close();
+                    } catch (Exception e) {
+                        // Ignorar erro ao fechar
+                    }
+                }
+            }
+        }).start();
+    }
+    
+    private void loadProfileImageFromStorage(ImageView imageView) {
+        FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
+        if (user == null || imageView == null) return;
+        
+        com.google.firebase.storage.FirebaseStorage.getInstance()
+                .getReference()
+                .child("profile_images/" + user.getUid() + ".jpg")
+                .getDownloadUrl()
+                .addOnSuccessListener(uri -> {
+                    loadProfileImageInNavHeader(uri.toString(), imageView);
+                })
+                .addOnFailureListener(e -> {
+                    // Manter imagem padrão
+                });
     }
 
     @Override
@@ -63,4 +153,11 @@ public class MainActivity extends AppCompatActivity {
         return NavigationUI.navigateUp(navController, mAppBarConfiguration)
                 || super.onSupportNavigateUp();
     }
+    
+    @Override
+    protected void onResume() {
+        super.onResume();
+        // Atualizar dados do utilizador quando voltar à activity
+        loadUserDataInNavHeader();
+    }
 }

app/src/main/java/com/example/vdcscore/ui/definicoes/ContaActivity.java

@@ -44,8 +44,11 @@ public class ContaActivity extends AppCompatActivity {
 
     private ImageView imageProfile;
     private TextInputEditText editName;
+    private TextInputEditText editImageUrl;
     private TextView textEmail;
     private Button btnSaveName;
+    private Button btnLoadImageUrl;
+    private Button btnLogout;
     private View btnChangePhoto;
     private View cardImageContainer;
     
@@ -58,6 +61,8 @@ public class ContaActivity extends AppCompatActivity {
     private ActivityResultLauncher<String> permissionLauncher;
     private Uri selectedImageUri;
     
+    private static final String PREFS_NAME = "LoginPrefs";
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -88,8 +93,10 @@ public class ContaActivity extends AppCompatActivity {
 
         imageProfile = findViewById(R.id.imageProfile);
         editName = findViewById(R.id.editName);
+        editImageUrl = findViewById(R.id.editImageUrl);
         textEmail = findViewById(R.id.textEmail);
         btnSaveName = findViewById(R.id.btnSaveName);
+        btnLoadImageUrl = findViewById(R.id.btnLoadImageUrl);
         btnLogout = findViewById(R.id.btnLogout);
         btnChangePhoto = findViewById(R.id.btnChangePhoto);
         cardImageContainer = findViewById(R.id.cardImageContainer);
@@ -226,11 +233,121 @@ public class ContaActivity extends AppCompatActivity {
         if (btnSaveName != null) {
             btnSaveName.setOnClickListener(v -> saveUserName());
         }
+        if (btnLoadImageUrl != null) {
+            btnLoadImageUrl.setOnClickListener(v -> loadImageFromUrl());
+        }
         if (btnLogout != null) {
             btnLogout.setOnClickListener(v -> logoutUser());
         }
     }
     
+    private void loadImageFromUrl() {
+        if (editImageUrl == null) return;
+        
+        String imageUrl = editImageUrl.getText().toString().trim();
+        
+        if (imageUrl.isEmpty()) {
+            Toast.makeText(this, "Por favor, insira uma URL válida", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        
+        if (!imageUrl.startsWith("http://") && !imageUrl.startsWith("https://")) {
+            Toast.makeText(this, "URL inválida. Deve começar com http:// ou https://", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        
+        progressDialog.show();
+        
+        // Carregar imagem da URL
+        new Thread(() -> {
+            try {
+                java.net.URL url = new java.net.URL(imageUrl);
+                java.net.HttpURLConnection connection = (java.net.HttpURLConnection) url.openConnection();
+                connection.setDoInput(true);
+                connection.connect();
+                InputStream input = connection.getInputStream();
+                Bitmap bitmap = BitmapFactory.decodeStream(input);
+                
+                runOnUiThread(() -> {
+                    progressDialog.dismiss();
+                    if (bitmap != null && imageProfile != null) {
+                        imageProfile.setImageBitmap(bitmap);
+                        // Converter bitmap para URI e fazer upload
+                        uploadImageFromBitmap(bitmap);
+                    } else {
+                        Toast.makeText(this, "Erro ao carregar imagem da URL", Toast.LENGTH_SHORT).show();
+                    }
+                });
+                
+                if (input != null) {
+                    input.close();
+                }
+            } catch (Exception e) {
+                runOnUiThread(() -> {
+                    progressDialog.dismiss();
+                    Toast.makeText(this, "Erro ao carregar imagem: " + e.getMessage(), Toast.LENGTH_SHORT).show();
+                });
+            }
+        }).start();
+    }
+    
+    private void uploadImageFromBitmap(Bitmap bitmap) {
+        FirebaseUser user = mAuth.getCurrentUser();
+        if (user == null) return;
+        
+        progressDialog.show();
+        
+        try {
+            // Redimensionar se muito grande
+            int maxSize = 1024;
+            if (bitmap.getWidth() > maxSize || bitmap.getHeight() > maxSize) {
+                float scale = Math.min((float) maxSize / bitmap.getWidth(), (float) maxSize / bitmap.getHeight());
+                int newWidth = Math.round(bitmap.getWidth() * scale);
+                int newHeight = Math.round(bitmap.getHeight() * scale);
+                bitmap = Bitmap.createScaledBitmap(bitmap, newWidth, newHeight, true);
+            }
+            
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            bitmap.compress(Bitmap.CompressFormat.JPEG, 80, baos);
+            byte[] imageData = baos.toByteArray();
+            
+            // Upload para Firebase Storage
+            StorageReference profileImageRef = storageRef.child("profile_images/" + user.getUid() + ".jpg");
+            UploadTask uploadTask = profileImageRef.putBytes(imageData);
+            
+            uploadTask.addOnSuccessListener(taskSnapshot -> {
+                profileImageRef.getDownloadUrl().addOnSuccessListener(uri -> {
+                    UserProfileChangeRequest profileUpdates = new UserProfileChangeRequest.Builder()
+                            .setPhotoUri(uri)
+                            .build();
+                    
+                    user.updateProfile(profileUpdates).addOnCompleteListener(task -> {
+                        progressDialog.dismiss();
+                        if (task.isSuccessful()) {
+                            Toast.makeText(this, "Foto de perfil atualizada com sucesso!", Toast.LENGTH_SHORT).show();
+                            editImageUrl.setText("");
+                            loadProfileImage(uri.toString());
+                        } else {
+                            Toast.makeText(this, "Erro ao atualizar foto: " + 
+                                    (task.getException() != null ? task.getException().getMessage() : "Erro desconhecido"), 
+                                    Toast.LENGTH_SHORT).show();
+                        }
+                    });
+                }).addOnFailureListener(e -> {
+                    progressDialog.dismiss();
+                    Toast.makeText(this, "Erro ao obter URL da imagem: " + e.getMessage(), Toast.LENGTH_SHORT).show();
+                });
+            }).addOnFailureListener(e -> {
+                progressDialog.dismiss();
+                Toast.makeText(this, "Erro ao fazer upload: " + e.getMessage(), Toast.LENGTH_SHORT).show();
+            });
+            
+        } catch (Exception e) {
+            progressDialog.dismiss();
+            Toast.makeText(this, "Erro ao processar imagem: " + e.getMessage(), Toast.LENGTH_SHORT).show();
+        }
+    }
+    
     private void logoutUser() {
         // Limpar credenciais guardadas
         SharedPreferences prefs = getSharedPreferences(PREFS_NAME, MODE_PRIVATE);

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

@@ -107,7 +107,7 @@
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_marginTop="16dp"
-                        android:text="Alterar Foto"
+                        android:text="Alterar Foto (Galeria)"
                         android:textColor="#616161"
                         android:textSize="15sp"
                         android:textStyle="bold"
@@ -116,6 +116,50 @@
                         android:padding="12dp"
                         android:background="?attr/selectableItemBackgroundBorderless" />
 
+                    <!-- URL Input Section -->
+                    <com.google.android.material.textfield.TextInputLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="20dp"
+                        android:hint="URL da Imagem (Google)"
+                        app:boxCornerRadiusTopStart="12dp"
+                        app:boxCornerRadiusTopEnd="12dp"
+                        app:boxCornerRadiusBottomStart="12dp"
+                        app:boxCornerRadiusBottomEnd="12dp"
+                        app:boxStrokeWidth="1dp"
+                        app:boxStrokeColor="#BDBDBD"
+                        app:startIconDrawable="@android:drawable/ic_menu_view"
+                        app:startIconTint="#616161"
+                        app:boxBackgroundMode="outline"
+                        style="@style/Widget.Material3.TextInputLayout.OutlinedBox">
+
+                        <com.google.android.material.textfield.TextInputEditText
+                            android:id="@+id/editImageUrl"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:inputType="textUri"
+                            android:textColor="#212121"
+                            android:textColorHint="#9E9E9E"
+                            android:textSize="14sp"
+                            android:padding="14dp"
+                            android:background="@android:color/transparent"
+                            android:hint="https://..." />
+
+                    </com.google.android.material.textfield.TextInputLayout>
+
+                    <Button
+                        android:id="@+id/btnLoadImageUrl"
+                        android:layout_width="match_parent"
+                        android:layout_height="48dp"
+                        android:layout_marginTop="12dp"
+                        android:backgroundTint="#616161"
+                        android:text="Carregar Imagem da URL"
+                        android:textColor="#FFFFFF"
+                        android:textSize="14sp"
+                        android:textStyle="bold"
+                        android:elevation="2dp"
+                        android:stateListAnimator="@null" />
+
                 </LinearLayout>
 
             </com.google.android.material.card.MaterialCardView>

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

@@ -14,22 +14,29 @@
 
     <ImageView
         android:id="@+id/imageView"
-        android:layout_width="wrap_content"
+        android:layout_width="80dp"
-        android:layout_height="wrap_content"
+        android:layout_height="80dp"
         android:contentDescription="@string/nav_header_desc"
         android:paddingTop="@dimen/nav_header_vertical_spacing"
+        android:scaleType="centerCrop"
+        android:background="#E0E0E0"
         app:srcCompat="@mipmap/ic_launcher_round" />
 
     <TextView
+        android:id="@+id/textViewName"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:paddingTop="@dimen/nav_header_vertical_spacing"
         android:text="@string/nav_header_title"
-        android:textAppearance="@style/TextAppearance.AppCompat.Body1" />
+        android:textAppearance="@style/TextAppearance.AppCompat.Body1"
+        android:textColor="#FFFFFF"
+        android:textStyle="bold" />
 
     <TextView
         android:id="@+id/textView"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="@string/nav_header_subtitle" />
+        android:text="@string/nav_header_subtitle"
+        android:textColor="#FFFFFF"
+        android:alpha="0.9" />
 </LinearLayout>