ia

app/build.gradle.kts

@@ -58,6 +58,8 @@ dependencies {
     implementation(libs.ui.tooling.preview)
     implementation(libs.material3)
     implementation(libs.material3.adaptive.navigation.suite)
+    implementation("com.google.ai.client.generativeai:generativeai:0.7.0")
+    implementation("com.google.guava:guava:31.1-android")
     testImplementation(libs.junit)
     androidTestImplementation(libs.ext.junit)
     androidTestImplementation(libs.espresso.core)

app/src/main/AndroidManifest.xml

@@ -13,6 +13,9 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.LifeGrid">
+        <activity
+            android:name=".DocumentosActivity"
+            android:exported="false" />
         <activity
             android:name=".DefinicoesActivity"
             android:exported="false" />

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

@@ -108,6 +108,14 @@ public class DefinicoesActivity extends AppCompatActivity {
             }
         }
 
+        TextView tvDocuments = findViewById(R.id.tvDocuments);
+        if (tvDocuments != null) {
+            tvDocuments.setOnClickListener(v -> {
+                Intent intent = new Intent(DefinicoesActivity.this, DocumentosActivity.class);
+                startActivity(intent);
+            });
+        }
+
         btnBack.setOnClickListener(v -> {
             finish();
         });

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

@@ -0,0 +1,91 @@
+package com.example.lifegrid;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.net.Uri;
+import android.os.Bundle;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import androidx.activity.EdgeToEdge;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+public class DocumentosActivity extends AppCompatActivity {
+
+    private ImageView btnBack;
+    private LinearLayout llDocumentsList;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_documentos);
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+            return insets;
+        });
+
+        btnBack = findViewById(R.id.btnBack);
+        llDocumentsList = findViewById(R.id.llDocumentsList);
+
+        btnBack.setOnClickListener(v -> finish());
+
+        loadDocuments();
+    }
+
+    private void loadDocuments() {
+        SharedPreferences prefs = getSharedPreferences("LifeGridDocs", Context.MODE_PRIVATE);
+        int count = prefs.getInt("doc_count", 0);
+
+        if (count == 0) {
+            TextView emptyText = new TextView(this);
+            emptyText.setText("Nenhum documento guardado.");
+            emptyText.setPadding(32, 32, 32, 32);
+            llDocumentsList.addView(emptyText);
+            return;
+        }
+
+        for (int i = 0; i < count; i++) {
+            String uriString = prefs.getString("doc_uri_" + i, "");
+            String desc = prefs.getString("doc_desc_" + i, "Sem descrição");
+            String data = prefs.getString("doc_data_" + i, "Sem data");
+
+            LinearLayout itemLayout = new LinearLayout(this);
+            itemLayout.setOrientation(LinearLayout.HORIZONTAL);
+            itemLayout.setPadding(16, 16, 16, 16);
+
+            ImageView ivDoc = new ImageView(this);
+            ivDoc.setLayoutParams(new LinearLayout.LayoutParams(200, 200));
+            ivDoc.setScaleType(ImageView.ScaleType.CENTER_CROP);
+            try {
+                ivDoc.setImageURI(Uri.parse(uriString));
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+
+            LinearLayout textLayout = new LinearLayout(this);
+            textLayout.setOrientation(LinearLayout.VERTICAL);
+            textLayout.setPadding(16, 0, 0, 0);
+
+            TextView tvDesc = new TextView(this);
+            tvDesc.setText(desc);
+            tvDesc.setTextSize(16);
+            tvDesc.setTypeface(null, android.graphics.Typeface.BOLD);
+
+            TextView tvData = new TextView(this);
+            tvData.setText(data);
+
+            textLayout.addView(tvDesc);
+            textLayout.addView(tvData);
+
+            itemLayout.addView(ivDoc);
+            itemLayout.addView(textLayout);
+
+            llDocumentsList.addView(itemLayout);
+        }
+    }
+}

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

@@ -0,0 +1,92 @@
+package com.example.lifegrid;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
+import android.util.Log;
+
+import com.google.ai.client.generativeai.GenerativeModel;
+import com.google.ai.client.generativeai.java.GenerativeModelFutures;
+import com.google.ai.client.generativeai.type.Content;
+import com.google.ai.client.generativeai.type.GenerateContentResponse;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.InputStream;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+public class InvoiceScannerHelper {
+
+    private static final String API_KEY = "YOUR_GEMINI_API_KEY_HERE"; // Substitua pela sua chave API
+    private static final String PROMPT = "Analisa esta fatura. Devolve APENAS um objeto JSON com os campos: 'valor' (Double, apenas números e ponto decimal), 'descricao' (String curta, nome do estabelecimento ou produto), 'categoria' (String, ex: Alimentação, Transporte, Lazer, Saúde, Casa, Educação, Outros), e 'data' (String formato DD/MM/AAAA). Se não conseguires ler algum, coloca valor padrão ou string vazia.";
+
+    public interface ScanCallback {
+        void onSuccess(double valor, String descricao, String categoria, String data);
+        void onError(String error);
+    }
+
+    public static void scanInvoice(Context context, Uri imageUri, ScanCallback callback) {
+        if (API_KEY.equals("YOUR_GEMINI_API_KEY_HERE")) {
+            callback.onError("Chave API do Gemini não configurada.");
+            return;
+        }
+
+        try {
+            InputStream imageStream = context.getContentResolver().openInputStream(imageUri);
+            Bitmap bitmap = BitmapFactory.decodeStream(imageStream);
+
+            GenerativeModel gm = new GenerativeModel(
+                    "gemini-1.5-flash",
+                    API_KEY
+            );
+            GenerativeModelFutures model = GenerativeModelFutures.from(gm);
+
+            Content content = new Content.Builder()
+                    .addText(PROMPT)
+                    .addImage(bitmap)
+                    .build();
+
+            Executor executor = Executors.newSingleThreadExecutor();
+            ListenableFuture<GenerateContentResponse> response = model.generateContent(content);
+
+            Futures.addCallback(response, new FutureCallback<GenerateContentResponse>() {
+                @Override
+                public void onSuccess(GenerateContentResponse result) {
+                    try {
+                        String textResponse = result.getText();
+                        if (textResponse != null) {
+                            textResponse = textResponse.replace("```json", "").replace("```", "").trim();
+                            JSONObject json = new JSONObject(textResponse);
+                            double valor = json.optDouble("valor", 0.0);
+                            String descricao = json.optString("descricao", "");
+                            String categoria = json.optString("categoria", "Outros");
+                            String data = json.optString("data", "");
+                            callback.onSuccess(valor, descricao, categoria, data);
+                        } else {
+                            callback.onError("Resposta vazia da IA.");
+                        }
+                    } catch (JSONException e) {
+                        Log.e("InvoiceScanner", "Erro ao fazer parse do JSON: " + result.getText(), e);
+                        callback.onError("Erro ao ler dados da fatura.");
+                    }
+                }
+
+                @Override
+                public void onFailure(Throwable t) {
+                    Log.e("InvoiceScanner", "Falha na API do Gemini", t);
+                    callback.onError("Falha ao comunicar com a IA: " + t.getMessage());
+                }
+            }, executor);
+
+        } catch (Exception e) {
+            e.printStackTrace();
+            callback.onError("Erro ao processar imagem: " + e.getMessage());
+        }
+    }
+}

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

@@ -59,6 +59,9 @@ public class TelaInicialActivity extends AppCompatActivity {
     
     private String[] meses = {"Janeiro", "Fevereiro", "Março", "Abril", "Maio", "Junho", "Julho", "Agosto", "Setembro", "Outubro", "Novembro", "Dezembro"};
 
+    private androidx.activity.result.ActivityResultLauncher<android.net.Uri> takePictureLauncher;
+    private android.net.Uri currentPhotoUri;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -70,6 +73,17 @@ public class TelaInicialActivity extends AppCompatActivity {
             return insets;
         });
 
+        takePictureLauncher = registerForActivityResult(
+                new androidx.activity.result.contract.ActivityResultContracts.TakePicture(),
+                success -> {
+                    if (success) {
+                        processInvoiceImage(currentPhotoUri);
+                    }
+                }
+        );
+
+        com.google.android.material.floatingactionbutton.FloatingActionButton fabScanInvoice = findViewById(R.id.fabScanInvoice);
+        fabScanInvoice.setOnClickListener(v -> startInvoiceScan());
 
         ivHeaderProfilePicture = findViewById(R.id.ivHeaderProfilePicture);
         tvHeaderUsername = findViewById(R.id.tvHeaderUsername);
@@ -142,6 +156,55 @@ public class TelaInicialActivity extends AppCompatActivity {
         });
     }
 
+    public void startInvoiceScan() {
+        java.io.File photoFile = new java.io.File(getFilesDir(), "invoice_" + System.currentTimeMillis() + ".jpg");
+        currentPhotoUri = androidx.core.content.FileProvider.getUriForFile(this, getPackageName() + ".fileprovider", photoFile);
+        takePictureLauncher.launch(currentPhotoUri);
+    }
+
+    private void processInvoiceImage(android.net.Uri imageUri) {
+        Toast.makeText(this, "A processar fatura com IA...", Toast.LENGTH_LONG).show();
+        InvoiceScannerHelper.scanInvoice(this, imageUri, new InvoiceScannerHelper.ScanCallback() {
+            @Override
+            public void onSuccess(double valor, String descricao, String categoria, String data) {
+                runOnUiThread(() -> {
+                    Fragment currentFragment = getSupportFragmentManager().findFragmentById(R.id.fragmentContainerView);
+                    TransacoesFragment transFragment;
+                    if (currentFragment instanceof TransacoesFragment) {
+                        transFragment = (TransacoesFragment) currentFragment;
+                    } else {
+                        updateNavSelection(findViewById(R.id.carteiraImageView));
+                        transFragment = new TransacoesFragment();
+                        getSupportFragmentManager().beginTransaction()
+                                .replace(R.id.fragmentContainerView, transFragment)
+                                .commit();
+                        getSupportFragmentManager().executePendingTransactions();
+                    }
+                    transFragment.showNovaTransacaoDialog(valor, descricao, categoria, data);
+                    
+                    // Save document to shared preferences or database
+                    saveDocument(imageUri.toString(), descricao, data);
+                });
+            }
+
+            @Override
+            public void onError(String error) {
+                runOnUiThread(() -> Toast.makeText(TelaInicialActivity.this, error, Toast.LENGTH_LONG).show());
+            }
+        });
+    }
+    
+    private void saveDocument(String uriString, String descricao, String data) {
+        SharedPreferences prefs = getSharedPreferences("LifeGridDocs", Context.MODE_PRIVATE);
+        int count = prefs.getInt("doc_count", 0);
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.putString("doc_uri_" + count, uriString);
+        editor.putString("doc_desc_" + count, descricao);
+        editor.putString("doc_data_" + count, data);
+        editor.putInt("doc_count", count + 1);
+        editor.apply();
+    }
+    
     @Override
     protected void onResume() {
         super.onResume();

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

@@ -74,6 +74,15 @@ public class TransacoesFragment extends Fragment {
         Button novaTransacaoButton = root.findViewById(R.id.novaTransacaoButton);
         novaTransacaoButton.setOnClickListener(v -> showNovaTransacaoDialog());
 
+        Button escanearTransacaoButton = root.findViewById(R.id.escanearTransacaoButton);
+        if (escanearTransacaoButton != null) {
+            escanearTransacaoButton.setOnClickListener(v -> {
+                if (getActivity() instanceof com.example.lifegrid.TelaInicialActivity) {
+                    ((com.example.lifegrid.TelaInicialActivity) getActivity()).startInvoiceScan();
+                }
+            });
+        }
+
         rvTransacoes = root.findViewById(R.id.rvTransacoes);
         tvEmptyState = root.findViewById(R.id.textView13);
 
@@ -136,11 +145,15 @@ public class TransacoesFragment extends Fragment {
         });
     }
 
+    public void showNovaTransacaoDialog() {
+        showNovaTransacaoDialog(0.0, "", "", "");
+    }
+
     /**
      * Cria e monta manualmente uma janela Modal (Pop-up) a fim do utilizador preencher
      * os detalhes referentes a uma recém aquisição de receita ou encargo para alimentar a base de dados.
      */
-    private void showNovaTransacaoDialog() {
+    public void showNovaTransacaoDialog(double defaultValor, String defaultDescricao, String defaultCategoria, String defaultData) {
         AlertDialog.Builder builder = new AlertDialog.Builder(requireContext());
         View dialogView = getLayoutInflater().inflate(R.layout.dialog_nova_transacao, null);
         builder.setView(dialogView);
@@ -154,6 +167,9 @@ public class TransacoesFragment extends Fragment {
         btnFechar.setOnClickListener(v -> dialog.dismiss());
 
         EditText etData = dialogView.findViewById(R.id.etData);
+        if (!defaultData.isEmpty()) {
+            etData.setText(defaultData);
+        }
         etData.setOnClickListener(v -> {
             Calendar calendar = Calendar.getInstance();
             int year = calendar.get(Calendar.YEAR);
@@ -170,7 +186,13 @@ public class TransacoesFragment extends Fragment {
 
         Button btnAdicionarTransacao = dialogView.findViewById(R.id.btnAdicionarTransacao);
         EditText etValor = dialogView.findViewById(R.id.etValor);
+        if (defaultValor > 0) {
+            etValor.setText(String.valueOf(defaultValor));
+        }
         EditText etDescricao = dialogView.findViewById(R.id.etDescricao);
+        if (!defaultDescricao.isEmpty()) {
+            etDescricao.setText(defaultDescricao);
+        }
         Spinner spinnerCategoria = dialogView.findViewById(R.id.spinnerCategoria);
         Spinner spinnerTipo = dialogView.findViewById(R.id.spinnerTipo);
 
@@ -182,6 +204,15 @@ public class TransacoesFragment extends Fragment {
                         arrayResId, android.R.layout.simple_spinner_item);
                 adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
                 spinnerCategoria.setAdapter(adapter);
+
+                if (!defaultCategoria.isEmpty()) {
+                    for (int i = 0; i < adapter.getCount(); i++) {
+                        if (adapter.getItem(i).toString().equalsIgnoreCase(defaultCategoria)) {
+                            spinnerCategoria.setSelection(i);
+                            break;
+                        }
+                    }
+                }
             }
 
             @Override
@@ -189,6 +220,11 @@ public class TransacoesFragment extends Fragment {
             }
         });
         
+        // Se vier da IA (geralmente despesa)
+        if (!defaultDescricao.isEmpty()) {
+            spinnerTipo.setSelection(1); // Despesa default para faturas
+        }
+
         btnAdicionarTransacao.setOnClickListener(v -> {
             String valor = etValor.getText().toString().trim();
             String descricao = etDescricao.getText().toString().trim();

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

@@ -196,6 +196,22 @@
                 android:padding="16dp"
                 android:layout_marginBottom="32dp">
 
+                <TextView
+                    android:id="@+id/tvDocuments"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:text="Meus Documentos (Faturas)"
+                    android:textColor="@color/preto"
+                    android:textSize="16sp"
+                    android:textStyle="bold"
+                    android:paddingVertical="8dp" />
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:background="#E0E0E0"
+                    android:layout_marginVertical="4dp" />
+
                 <TextView
                     android:id="@+id/tvTerms"
                     android:layout_width="match_parent"

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

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/branco"
+    tools:context=".DocumentosActivity">
+
+    <!-- Header -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/headerLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="16dp"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <ImageView
+            android:id="@+id/btnBack"
+            android:layout_width="32dp"
+            android:layout_height="32dp"
+            android:src="@drawable/diagonalarrowleftdownoutline_110924"
+            app:tint="@color/preto"
+            android:rotation="45"
+            android:padding="4dp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Meus Documentos"
+            android:textColor="@color/preto"
+            android:textSize="22sp"
+            android:textStyle="bold"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/headerLayout">
+
+        <LinearLayout
+            android:id="@+id/llDocumentsList"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:padding="16dp" />
+    </ScrollView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -229,6 +229,16 @@
         </androidx.constraintlayout.widget.ConstraintLayout>
     </ScrollView>
 
-
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fabScanInvoice"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="24dp"
+        android:layout_marginBottom="24dp"
+        android:src="@android:drawable/ic_menu_camera"
+        app:backgroundTint="@color/preto"
+        app:tint="@color/branco"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -21,11 +21,12 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="32dp"
+            android:fontFamily="sans-serif"
             android:text="Ativos e Investimentos"
-            android:textSize="25sp"
+            android:textAlignment="center"
-            android:textStyle="bold"
+            android:textColor="#000000"
+            android:textSize="24sp"
             app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintHorizontal_bias="0.501"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
 

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

@@ -28,7 +28,7 @@
                 android:layout_marginTop="50dp"
                 android:text="Metas Financeiras"
                 android:textSize="20sp"
-                android:textStyle="bold"
+                android:fontFamily="sans-serif"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintHorizontal_bias="0.147"
                 app:layout_constraintStart_toStartOf="parent"

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

@@ -30,9 +30,9 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="32dp"
+            android:fontFamily="sans-serif"
             android:text="Transações"
             android:textSize="25sp"
-            android:textStyle="bold"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintHorizontal_bias="0.501"
             app:layout_constraintStart_toStartOf="parent"
@@ -57,7 +57,7 @@
             android:layout_marginTop="20dp"
             android:layout_marginEnd="25dp"
             android:backgroundTint="@color/preto"
-            android:text="Escanear Fatura"
+            android:text="Digitalizar Fatura"
             app:cornerRadius="10sp"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/textView12" />