recuperação de passe e uns erritos no google

.idea/.gitignore

@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml

.idea/AndroidProjectSystem.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AndroidProjectSystem">
+    <option name="providerId" value="com.android.tools.idea.GradleProjectSystem" />
+  </component>
+</project>

.idea/compiler.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="21" />
+  </component>
+</project>

.idea/deploymentTargetSelector.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetSelector">
+    <selectionStates>
+      <SelectionState runConfigName="app">
+        <option name="selectionMode" value="DROPDOWN" />
+      </SelectionState>
+    </selectionStates>
+  </component>
+</project>

.idea/deviceManager.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DeviceTable">
+    <option name="columnSorters">
+      <list>
+        <ColumnSorterState>
+          <option name="column" value="Name" />
+          <option name="order" value="ASCENDING" />
+        </ColumnSorterState>
+      </list>
+    </option>
+  </component>
+</project>

.idea/gradle.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="CHOOSE_PER_TEST" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

.idea/migrations.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectMigrations">
+    <option name="MigrateToGradleLocalJavaHome">
+      <set>
+        <option value="$PROJECT_DIR$" />
+      </set>
+    </option>
+  </component>
+</project>

.idea/misc.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>

.idea/runConfigurations.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
+        <option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
+        <option value="com.intellij.execution.junit.PatternConfigurationProducer" />
+        <option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
+        <option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
+        <option value="com.intellij.execution.junit.testDiscovery.JUnitTestDiscoveryConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinJUnitRunConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinPatternConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>

.idea/studiobot.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="StudioBotProjectSettings">
+    <option name="shareContext" value="OptedIn" />
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

app/build.gradle.kts

@@ -1,5 +1,6 @@
 plugins {
     alias(libs.plugins.android.application)
+    alias(libs.plugins.google.gms.google.services)
 }
 
 android {
@@ -37,6 +38,13 @@ dependencies {
     implementation(libs.material)
     implementation(libs.activity)
     implementation(libs.constraintlayout)
+    implementation(libs.firebase.auth)
+    implementation(libs.credentials)
+    implementation(libs.credentials.play.services.auth)
+    implementation(libs.googleid)
+    implementation(libs.firebase.database)
+    implementation(libs.recyclerview)
+    implementation(libs.play.services.auth)
     testImplementation(libs.junit)
     androidTestImplementation(libs.ext.junit)
     androidTestImplementation(libs.espresso.core)

app/google-services.json

@@ -0,0 +1,29 @@
+{
+  "project_info": {
+    "project_number": "1019731295596",
+    "project_id": "lifegrid-f6692",
+    "storage_bucket": "lifegrid-f6692.firebasestorage.app"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:1019731295596:android:7170262ae018291b00c749",
+        "android_client_info": {
+          "package_name": "com.example.lifegrid"
+        }
+      },
+      "oauth_client": [],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAbQ_-mob81SR07481CSJHP_z3GniS-xdk"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": []
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -11,7 +13,24 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.LifeGrid">
+        <activity
+            android:name=".TelaInicialActivity"
+            android:exported="false" />
+        <activity
+            android:name=".RecupearPasswordActivity"
+            android:exported="false" />
+        <activity
+            android:name=".CriarContaActivity"
+            android:exported="false" />
+        <activity
+            android:name=".LoginActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
 
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
     </application>
 
 </manifest>

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

@@ -0,0 +1,239 @@
+package com.example.lifegrid;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.util.Patterns;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ProgressBar;
+import android.widget.Toast;
+
+import androidx.activity.EdgeToEdge;
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import com.google.android.gms.auth.api.signin.GoogleSignIn;
+import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
+import com.google.android.gms.auth.api.signin.GoogleSignInClient;
+import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
+import com.google.android.gms.common.api.ApiException;
+import com.google.android.gms.tasks.Task;
+import com.google.firebase.FirebaseApp;
+import com.google.firebase.auth.AuthCredential;
+import com.google.firebase.auth.FirebaseAuth;
+import com.google.firebase.auth.FirebaseUser;
+import com.google.firebase.auth.GoogleAuthProvider;
+
+public class CriarContaActivity extends AppCompatActivity {
+
+    private EditText nomeEditText;
+    private EditText emailEditText2;
+    private EditText passwordEditText3;
+    private EditText passwordEditText2;
+    private Button loginButton2;
+    private Button googleButton2;
+    private ProgressBar loadingProgressBar;
+    private FirebaseAuth firebaseAuth;
+    private GoogleSignInClient googleSignInClient;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_criar_conta);
+        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;
+        });
+
+        nomeEditText = findViewById(R.id.emailEditText3);
+        emailEditText2 = findViewById(R.id.emailEditText2);
+        passwordEditText3 = findViewById(R.id.passwordEditText3);
+        passwordEditText2 = findViewById(R.id.passwordEditText2);
+        loginButton2 = findViewById(R.id.loginButton2);
+        googleButton2 = findViewById(R.id.googleButton2);
+        loadingProgressBar = findViewById(R.id.loadingProgressBar);
+
+        FirebaseApp.initializeApp(this);
+        firebaseAuth = FirebaseAuth.getInstance();
+
+        // Configurar Google Sign-In
+        GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
+                .requestIdToken(getString(R.string.default_web_client_id))
+                .requestEmail()
+                .build();
+        googleSignInClient = GoogleSignIn.getClient(this, gso);
+
+        loginButton2.setOnClickListener(v -> criarConta());
+        googleButton2.setOnClickListener(v -> signInWithGoogle());
+    }
+
+    private void criarConta() {
+        String nome = nomeEditText.getText().toString().trim();
+        String email = emailEditText2.getText().toString().trim();
+        String password = passwordEditText3.getText().toString();
+        String confirmarPassword = passwordEditText2.getText().toString();
+
+        if (!validarDados(nome, email, password, confirmarPassword)) {
+            return;
+        }
+
+        toggleLoading(true);
+
+        firebaseAuth.createUserWithEmailAndPassword(email, password)
+                .addOnCompleteListener(this, task -> {
+                    toggleLoading(false);
+                    if (task.isSuccessful()) {
+                        FirebaseUser user = firebaseAuth.getCurrentUser();
+                        if (user != null) {
+                            // Conta criada com sucesso - redirecionar para TelaInicialActivity
+                            Toast.makeText(this, 
+                                    "Conta criada com sucesso! Bem-vindo, " + nome, 
+                                    Toast.LENGTH_SHORT).show();
+                            
+                            // Redirecionar para TelaInicialActivity apenas após sucesso
+                            Intent intent = new Intent(CriarContaActivity.this, TelaInicialActivity.class);
+                            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+                            startActivity(intent);
+                            finish(); // Fechar esta atividade
+                        }
+                    } else {
+                        // Erro ao criar conta - mostrar mensagem de erro
+                        String errorMessage = "Erro ao criar conta.";
+                        if (task.getException() != null) {
+                            errorMessage = task.getException().getMessage();
+                            // Traduzir alguns erros comuns para português
+                            if (errorMessage.contains("email address is already in use")) {
+                                errorMessage = "Este email já está em uso. Por favor, use outro email.";
+                            } else if (errorMessage.contains("network")) {
+                                errorMessage = "Erro de conexão. Verifique sua internet.";
+                            } else if (errorMessage.contains("weak password")) {
+                                errorMessage = "Palavra-passe muito fraca. Use uma palavra-passe mais forte.";
+                            }
+                        }
+                        Toast.makeText(this, errorMessage, Toast.LENGTH_LONG).show();
+                    }
+                });
+    }
+
+    private boolean validarDados(String nome, String email, String password, String confirmarPassword) {
+        // Validar nome
+        if (TextUtils.isEmpty(nome)) {
+            nomeEditText.setError("Nome obrigatório.");
+            nomeEditText.requestFocus();
+            return false;
+        }
+
+        if (nome.length() < 2) {
+            nomeEditText.setError("Nome deve ter pelo menos 2 caracteres.");
+            nomeEditText.requestFocus();
+            return false;
+        }
+
+        // Validar email
+        if (TextUtils.isEmpty(email)) {
+            emailEditText2.setError("Email obrigatório.");
+            emailEditText2.requestFocus();
+            return false;
+        }
+
+        if (!Patterns.EMAIL_ADDRESS.matcher(email).matches()) {
+            emailEditText2.setError("Formato de email inválido.");
+            emailEditText2.requestFocus();
+            return false;
+        }
+
+        // Validar password
+        if (TextUtils.isEmpty(password)) {
+            passwordEditText3.setError("Palavra-passe obrigatória.");
+            passwordEditText3.requestFocus();
+            return false;
+        }
+
+        if (password.length() < 6) {
+            passwordEditText3.setError("Palavra-passe deve ter pelo menos 6 caracteres.");
+            passwordEditText3.requestFocus();
+            return false;
+        }
+
+        // Validar confirmação de password
+        if (TextUtils.isEmpty(confirmarPassword)) {
+            passwordEditText2.setError("Por favor, confirme a palavra-passe.");
+            passwordEditText2.requestFocus();
+            return false;
+        }
+
+        if (!password.equals(confirmarPassword)) {
+            passwordEditText2.setError("As palavras-passe não coincidem.");
+            passwordEditText2.requestFocus();
+            return false;
+        }
+
+        return true;
+    }
+
+    private void signInWithGoogle() {
+        Intent signInIntent = googleSignInClient.getSignInIntent();
+        googleSignInLauncher.launch(signInIntent);
+    }
+
+    private final ActivityResultLauncher<Intent> googleSignInLauncher = registerForActivityResult(
+            new ActivityResultContracts.StartActivityForResult(),
+            result -> {
+                if (result.getResultCode() == RESULT_OK) {
+                    Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(result.getData());
+                    try {
+                        GoogleSignInAccount account = task.getResult(ApiException.class);
+                        firebaseAuthWithGoogle(account.getIdToken());
+                    } catch (ApiException e) {
+                        Toast.makeText(this, "Erro ao criar conta com Google: " + e.getMessage(), Toast.LENGTH_LONG).show();
+                    }
+                } else {
+                    Toast.makeText(this, "Criação de conta com Google cancelada.", Toast.LENGTH_SHORT).show();
+                }
+            }
+    );
+
+    private void firebaseAuthWithGoogle(String idToken) {
+        toggleLoading(true);
+        AuthCredential credential = GoogleAuthProvider.getCredential(idToken, null);
+        firebaseAuth.signInWithCredential(credential)
+                .addOnCompleteListener(this, task -> {
+                    toggleLoading(false);
+                    if (task.isSuccessful()) {
+                        FirebaseUser user = firebaseAuth.getCurrentUser();
+                        String welcome = user != null && !TextUtils.isEmpty(user.getDisplayName())
+                                ? "Conta criada com sucesso! Bem-vindo, " + user.getDisplayName()
+                                : "Conta criada com Google com sucesso!";
+                        Toast.makeText(this, welcome, Toast.LENGTH_SHORT).show();
+
+                        // Redirecionar para TelaInicialActivity após criação bem-sucedida
+                        Intent intent = new Intent(CriarContaActivity.this, TelaInicialActivity.class);
+                        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+                        startActivity(intent);
+                        finish();
+                    } else {
+                        Toast.makeText(this,
+                                task.getException() != null ? task.getException().getMessage() : "Falha ao criar conta com Google",
+                                Toast.LENGTH_LONG).show();
+                    }
+                });
+    }
+
+    private void toggleLoading(boolean show) {
+        loadingProgressBar.setVisibility(show ? View.VISIBLE : View.GONE);
+        loginButton2.setEnabled(!show);
+        googleButton2.setEnabled(!show);
+        nomeEditText.setEnabled(!show);
+        emailEditText2.setEnabled(!show);
+        passwordEditText3.setEnabled(!show);
+        passwordEditText2.setEnabled(!show);
+    }
+}

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

@@ -0,0 +1,248 @@
+package com.example.lifegrid;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.util.Patterns;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.activity.EdgeToEdge;
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import com.google.android.gms.auth.api.signin.GoogleSignIn;
+import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
+import com.google.android.gms.auth.api.signin.GoogleSignInClient;
+import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
+import com.google.android.gms.common.api.ApiException;
+import com.google.android.gms.tasks.Task;
+import com.google.firebase.FirebaseApp;
+import com.google.firebase.auth.AuthCredential;
+import com.google.firebase.auth.FirebaseAuth;
+import com.google.firebase.auth.FirebaseUser;
+import com.google.firebase.auth.GoogleAuthProvider;
+
+public class LoginActivity extends AppCompatActivity {
+
+    private TextView textView5;
+    private TextView textView1;
+    private TextView criarContaTextView;
+    private TextView emailTextView;
+    private EditText emailEditText;
+    private TextView passTextView;
+    private EditText passwordEditText;
+    private TextView passesquecerTextView;
+    private Button loginButton;
+    private Button googleButton;
+    private TextView ouTextView;
+    private ProgressBar loadingProgressBar;
+    private FirebaseAuth firebaseAuth;
+    private GoogleSignInClient googleSignInClient;
+    private static final int RC_SIGN_IN = 9001;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_login);
+        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;
+        });
+        textView5 = findViewById(R.id.textView5);
+        textView1 = findViewById(R.id.textView1);
+        criarContaTextView = findViewById(R.id.criarContaTextView);
+        emailTextView = findViewById(R.id.emailTextView);
+        emailEditText = findViewById(R.id.emailEditText);
+        passTextView = findViewById(R.id.passTextView);
+        passwordEditText = findViewById(R.id.passwordEditText);
+        passesquecerTextView = findViewById(R.id.passesquecerTextView);
+        loginButton = findViewById(R.id.loginButton);
+        googleButton = findViewById(R.id.googleButton);
+        ouTextView = findViewById(R.id.ouTextView);
+        loadingProgressBar = findViewById(R.id.loadingProgressBar);
+
+        FirebaseApp.initializeApp(this);
+        firebaseAuth = FirebaseAuth.getInstance();
+
+        // Configurar Google Sign-In
+        GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
+                .requestIdToken(getString(R.string.default_web_client_id))
+                .requestEmail()
+                .build();
+        googleSignInClient = GoogleSignIn.getClient(this, gso);
+
+        loginButton.setOnClickListener(v -> validarLogin());
+        criarContaTextView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(LoginActivity.this, CriarContaActivity.class);
+                startActivity(intent);
+            }
+        });
+        passesquecerTextView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                String email = emailEditText.getText().toString().trim();
+                Intent intent = new Intent(LoginActivity.this, RecupearPasswordActivity.class);
+                // Passar o email digitado no login para a atividade de recuperação
+                if (!TextUtils.isEmpty(email)) {
+                    intent.putExtra("email", email);
+                }
+                startActivity(intent);
+            }
+        });
+        googleButton.setOnClickListener(v -> signInWithGoogle());
+    }
+
+    private void validarLogin() {
+        String email = emailEditText.getText().toString().trim();
+        String password = passwordEditText.getText().toString();
+
+        if (!validarEspaços(email, password)) {
+            return;
+        }
+
+        toggleLoading(true);
+
+        firebaseAuth.signInWithEmailAndPassword(email, password)
+                .addOnCompleteListener(this, task -> {
+                    toggleLoading(false);
+                    if (task.isSuccessful()) {
+                        FirebaseUser user = task.getResult().getUser();
+                        String welcome = user != null && !TextUtils.isEmpty(user.getEmail())
+                                ? "Bem-vindo, " + user.getEmail()
+                                : "Login realizado com sucesso!";
+                        Toast.makeText(this, welcome, Toast.LENGTH_SHORT).show();
+                        
+                        // Redirecionar para TelaInicialActivity após login bem-sucedido
+                        Intent intent = new Intent(LoginActivity.this, TelaInicialActivity.class);
+                        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+                        startActivity(intent);
+                        finish(); // Fechar LoginActivity para não poder voltar com back button
+                    } else {
+                        Toast.makeText(this,
+                                task.getException() != null ? task.getException().getMessage() : "Falha no login",
+                                Toast.LENGTH_LONG).show();
+                    }
+                });
+    }
+
+    private void recupearPassword() {
+        String email = emailEditText.getText().toString().trim();
+        if (TextUtils.isEmpty(email)) {
+            emailEditText.setError("Informe o email para recuperar a palavra-passe.");
+            emailEditText.requestFocus();
+            return;
+        }
+
+        toggleLoading(true);
+        firebaseAuth.sendPasswordResetEmail(email)
+                .addOnCompleteListener(this, task -> {
+                    toggleLoading(false);
+                    if (task.isSuccessful()) {
+                        Toast.makeText(this,
+                                "Email de recuperação enviado para " + email,
+                                Toast.LENGTH_LONG).show();
+                    } else {
+                        Toast.makeText(this,
+                                task.getException() != null ? task.getException().getMessage() : "Erro ao enviar email",
+                                Toast.LENGTH_LONG).show();
+                    }
+                });
+    }
+
+    private boolean validarEspaços(String email, String password) {
+        if (TextUtils.isEmpty(email)) {
+            emailEditText.setError("Email obrigatório.");
+            emailEditText.requestFocus();
+            return false;
+        }
+
+        if (!Patterns.EMAIL_ADDRESS.matcher(email).matches()) {
+            emailEditText.setError("Formato de email inválido.");
+            emailEditText.requestFocus();
+            return false;
+        }
+
+        if (TextUtils.isEmpty(password)) {
+            passwordEditText.setError("Palavra-passe obrigatória.");
+            passwordEditText.requestFocus();
+            return false;
+        }
+
+        if (password.length() < 6) {
+            passwordEditText.setError("Mínimo de 6 caracteres.");
+            passwordEditText.requestFocus();
+            return false;
+        }
+
+        return true;
+    }
+
+    private void signInWithGoogle() {
+        Intent signInIntent = googleSignInClient.getSignInIntent();
+        googleSignInLauncher.launch(signInIntent);
+    }
+
+    private final ActivityResultLauncher<Intent> googleSignInLauncher = registerForActivityResult(
+            new ActivityResultContracts.StartActivityForResult(),
+            result -> {
+                if (result.getResultCode() == RESULT_OK) {
+                    Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(result.getData());
+                    try {
+                        GoogleSignInAccount account = task.getResult(ApiException.class);
+                        firebaseAuthWithGoogle(account.getIdToken());
+                    } catch (ApiException e) {
+                        Toast.makeText(this, "Erro ao fazer login com Google: " + e.getMessage(), Toast.LENGTH_LONG).show();
+                    }
+                } else {
+                    Toast.makeText(this, "Login com Google cancelado.", Toast.LENGTH_SHORT).show();
+                }
+            }
+    );
+
+    private void firebaseAuthWithGoogle(String idToken) {
+        toggleLoading(true);
+        AuthCredential credential = GoogleAuthProvider.getCredential(idToken, null);
+        firebaseAuth.signInWithCredential(credential)
+                .addOnCompleteListener(this, task -> {
+                    toggleLoading(false);
+                    if (task.isSuccessful()) {
+                        FirebaseUser user = firebaseAuth.getCurrentUser();
+                        String welcome = user != null && !TextUtils.isEmpty(user.getDisplayName())
+                                ? "Bem-vindo, " + user.getDisplayName()
+                                : "Login com Google realizado com sucesso!";
+                        Toast.makeText(this, welcome, Toast.LENGTH_SHORT).show();
+
+                        // Redirecionar para TelaInicialActivity após login bem-sucedido
+                        Intent intent = new Intent(LoginActivity.this, TelaInicialActivity.class);
+                        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+                        startActivity(intent);
+                        finish();
+                    } else {
+                        Toast.makeText(this,
+                                task.getException() != null ? task.getException().getMessage() : "Falha no login com Google",
+                                Toast.LENGTH_LONG).show();
+                    }
+                });
+    }
+
+    private void toggleLoading(boolean show) {
+        loadingProgressBar.setVisibility(show ? View.VISIBLE : View.GONE);
+        loginButton.setEnabled(!show);
+        googleButton.setEnabled(!show);
+        criarContaTextView.setEnabled(!show);
+        passesquecerTextView.setEnabled(!show);
+    }
+}

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

@@ -0,0 +1,118 @@
+package com.example.lifegrid;
+
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.util.Patterns;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ProgressBar;
+import android.widget.Toast;
+
+import androidx.activity.EdgeToEdge;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import com.google.firebase.FirebaseApp;
+import com.google.firebase.auth.FirebaseAuth;
+
+public class RecupearPasswordActivity extends AppCompatActivity {
+
+    private EditText emailEditText4;
+    private Button loginButton3;
+    private ProgressBar loadingProgressBar;
+    private FirebaseAuth firebaseAuth;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_recupear_password);
+        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;
+        });
+
+        emailEditText4 = findViewById(R.id.emailEditText4);
+        loginButton3 = findViewById(R.id.loginButton3);
+        loadingProgressBar = findViewById(R.id.loadingProgressBar);
+
+        FirebaseApp.initializeApp(this);
+        firebaseAuth = FirebaseAuth.getInstance();
+
+        // Receber o email passado do LoginActivity e pré-preencher o campo
+        String emailPassado = getIntent().getStringExtra("email");
+        if (!TextUtils.isEmpty(emailPassado)) {
+            emailEditText4.setText(emailPassado);
+            // Tornar o campo não editável quando vier do login
+            emailEditText4.setEnabled(false);
+            emailEditText4.setFocusable(false);
+            emailEditText4.setClickable(false);
+        }
+
+        loginButton3.setOnClickListener(v -> recuperarPassword());
+    }
+
+    private void recuperarPassword() {
+        String email = emailEditText4.getText().toString().trim();
+        String emailPassado = getIntent().getStringExtra("email");
+
+        // Validar email
+        if (TextUtils.isEmpty(email)) {
+            emailEditText4.setError("Email obrigatório.");
+            emailEditText4.requestFocus();
+            return;
+        }
+
+        if (!Patterns.EMAIL_ADDRESS.matcher(email).matches()) {
+            emailEditText4.setError("Formato de email inválido.");
+            emailEditText4.requestFocus();
+            return;
+        }
+
+        // Se o email veio do login, garantimos que é o mesmo (campo já está desabilitado)
+        // Não precisa validar novamente, pois o campo não pode ser modificado
+
+        toggleLoading(true);
+
+        // Enviar email de recuperação de senha
+        firebaseAuth.sendPasswordResetEmail(email)
+                .addOnCompleteListener(this, task -> {
+                    toggleLoading(false);
+                    if (task.isSuccessful()) {
+                        // Email enviado com sucesso
+                        Toast.makeText(this,
+                                "Email de recuperação enviado para " + email + "\nVerifique sua caixa de entrada.",
+                                Toast.LENGTH_LONG).show();
+                        // Limpar o campo após sucesso
+                        emailEditText4.setText("");
+                    } else {
+                        // Erro ao enviar email
+                        String errorMessage = "Erro ao enviar email de recuperação.";
+                        if (task.getException() != null) {
+                            errorMessage = task.getException().getMessage();
+                            // Traduzir alguns erros comuns para português
+                            if (errorMessage.contains("user-not-found")) {
+                                errorMessage = "Nenhuma conta encontrada com este email.";
+                            } else if (errorMessage.contains("invalid-email")) {
+                                errorMessage = "Formato de email inválido.";
+                            } else if (errorMessage.contains("network")) {
+                                errorMessage = "Erro de conexão. Verifique sua internet.";
+                            } else if (errorMessage.contains("too-many-requests")) {
+                                errorMessage = "Muitas tentativas. Tente novamente mais tarde.";
+                            }
+                        }
+                        Toast.makeText(this, errorMessage, Toast.LENGTH_LONG).show();
+                    }
+                });
+    }
+
+    private void toggleLoading(boolean show) {
+        loadingProgressBar.setVisibility(show ? View.VISIBLE : View.GONE);
+        loginButton3.setEnabled(!show);
+        emailEditText4.setEnabled(!show);
+    }
+}

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

@@ -0,0 +1,24 @@
+package com.example.lifegrid;
+
+import android.os.Bundle;
+
+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 TelaInicialActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_tela_inicial);
+        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;
+        });
+    }
+}

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

@@ -0,0 +1,17 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <solid android:color="#FFFFFF"/>
+
+    <corners android:radius="14dp"/>
+
+    <stroke
+        android:width="1dp"
+        android:color="#DADCE0"/>
+
+    <padding
+        android:left="16dp"
+        android:top="12dp"
+        android:right="16dp"
+        android:bottom="12dp"/>
+</shape>

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

@@ -0,0 +1,201 @@
+<?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:background="#FFFFFF"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".CriarContaActivity">
+
+    <ImageView
+        android:id="@+id/logoImageView"
+        android:layout_width="213dp"
+        android:layout_height="97dp"
+        android:layout_marginTop="56dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.08"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@drawable/logo" />
+
+    <TextView
+        android:id="@+id/textView7"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:text="Começe a gerir as suas finanças hoje"
+        android:textColor="#8A8484"
+        android:textSize="16sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.251"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView6" />
+
+    <TextView
+        android:id="@+id/textView6"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:text="Criar conta"
+        android:textSize="25sp"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.128"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/logoImageView" />
+
+    <EditText
+        android:id="@+id/passwordEditText2"
+        android:layout_width="336dp"
+        android:layout_height="47dp"
+        android:layout_marginTop="8dp"
+        android:background="@drawable/button_background"
+        android:ems="10"
+        android:hint="**********"
+        android:inputType="textPassword"
+        android:textSize="15dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView4" />
+
+    <EditText
+        android:id="@+id/passwordEditText3"
+        android:layout_width="336dp"
+        android:layout_height="47dp"
+        android:layout_marginTop="8dp"
+        android:background="@drawable/button_background"
+        android:ems="10"
+        android:hint="**********"
+        android:inputType="textPassword"
+        android:textSize="15dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView3" />
+
+    <EditText
+        android:id="@+id/emailEditText2"
+        android:layout_width="338dp"
+        android:layout_height="49dp"
+        android:layout_marginTop="8dp"
+        android:background="@drawable/button_background"
+        android:ems="10"
+        android:hint="seu@email.com"
+        android:inputType="textEmailAddress"
+        android:textSize="15dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView2" />
+
+    <EditText
+        android:id="@+id/emailEditText3"
+        android:layout_width="338dp"
+        android:layout_height="49dp"
+        android:layout_marginTop="8dp"
+        android:background="@drawable/button_background"
+        android:ems="10"
+        android:hint="O seu nome"
+        android:inputType="textPersonName"
+        android:textSize="15dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.52"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView" />
+
+    <Button
+        android:id="@+id/loginButton2"
+        android:layout_width="315dp"
+        android:layout_height="50dp"
+        android:layout_marginTop="35dp"
+        android:backgroundTint="#050505"
+        android:text="Criar conta ->"
+        app:cornerRadius="10dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/passwordEditText2" />
+
+    <TextView
+        android:id="@+id/ouTextView2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="22dp"
+        android:text="_____________________ OU _____________________"
+        android:textColor="@color/cinza"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/loginButton2" />
+
+    <Button
+        android:id="@+id/googleButton2"
+        android:layout_width="316dp"
+        android:layout_height="49dp"
+        android:layout_marginTop="14dp"
+        android:backgroundTint="#FFFFFF"
+        android:text="Continuar com o Google"
+        android:textColor="#0F0E0E"
+        app:cornerRadius="10dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/ouTextView2"
+        app:strokeColor="@color/cinza"
+        app:strokeWidth="1sp" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="30dp"
+        android:text="Nome"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.128"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView7" />
+
+    <TextView
+        android:id="@+id/textView2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:text="Email"
+        android:textSize="12sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.125"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/emailEditText3" />
+
+    <TextView
+        android:id="@+id/textView3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:text="Password"
+        android:textSize="12sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.134"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/emailEditText2" />
+
+    <TextView
+        android:id="@+id/textView4"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:text="Confirmar password"
+        android:textSize="12sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.159"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/passwordEditText3" />
+
+    <ProgressBar
+        android:id="@+id/loadingProgressBar"
+        style="?android:attr/progressBarStyle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/googleButton2" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,178 @@
+<?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="#FFFFFF"
+    android:padding="24dp"
+    tools:context=".LoginActivity">
+
+    <TextView
+        android:id="@+id/textView5"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:text="Bem-vindo/a de volta"
+        android:textSize="25sp"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.154"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/logoImageView" />
+
+    <TextView
+        android:id="@+id/textView1"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:text="Entre na sua conta para continuar"
+        android:textColor="#8A8484"
+        android:textSize="18sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="@+id/textView5"
+        app:layout_constraintTop_toBottomOf="@+id/textView5" />
+
+    <TextView
+        android:id="@+id/emailTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="40dp"
+        android:text="Email"
+        android:textSize="12sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.057"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView1" />
+
+    <Button
+        android:id="@+id/loginButton"
+        android:layout_width="315dp"
+        android:layout_height="50dp"
+        android:layout_marginTop="28dp"
+        android:backgroundTint="#050505"
+        android:text="Entrar ->"
+        app:cornerRadius="10dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/passesquecerTextView" />
+
+    <Button
+        android:id="@+id/googleButton"
+        android:layout_width="316dp"
+        android:layout_height="49dp"
+        android:layout_marginTop="8dp"
+        android:backgroundTint="#FFFFFF"
+        android:text="Continuar com o Google"
+        android:textColor="#0F0E0E"
+        app:cornerRadius="10dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.483"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/loginButton"
+        app:strokeColor="@color/cinza"
+        app:strokeWidth="1sp" />
+
+    <TextView
+        android:id="@+id/ouTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="32dp"
+        android:text="_____________________ OU _____________________"
+        android:textColor="@color/cinza"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.492"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/googleButton" />
+
+    <EditText
+        android:id="@+id/passwordEditText"
+        android:layout_width="336dp"
+        android:layout_height="47dp"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/button_background"
+        android:ems="10"
+        android:hint="**********"
+        android:inputType="textPassword"
+        android:textSize="15dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.444"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/passTextView" />
+
+    <EditText
+        android:id="@+id/emailEditText"
+        android:layout_width="338dp"
+        android:layout_height="49dp"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/button_background"
+        android:ems="10"
+        android:hint="seu@email.com"
+        android:inputType="textEmailAddress"
+        android:textSize="15dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.48"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/emailTextView" />
+
+    <TextView
+        android:id="@+id/passTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:text="Password"
+        android:textSize="12sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.061"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/emailEditText" />
+
+    <TextView
+        android:id="@+id/passesquecerTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:text="Esqueceu-se a palavra passe?"
+        android:textSize="13sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.497"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/passwordEditText" />
+
+    <TextView
+        android:id="@+id/criarContaTextView"
+        android:layout_width="181dp"
+        android:layout_height="24dp"
+        android:layout_marginTop="32dp"
+        android:text="Não tens conta? Clica aqui"
+        android:textColor="#121111"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/ouTextView" />
+
+    <ProgressBar
+        android:id="@+id/loadingProgressBar"
+        style="?android:attr/progressBarStyle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:indeterminate="true"
+        android:visibility="gone"
+        app:layout_constraintTop_toBottomOf="@+id/criarContaTextView"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent" />
+
+    <ImageView
+        android:id="@+id/logoImageView"
+        android:layout_width="194dp"
+        android:layout_height="81dp"
+        android:layout_marginTop="92dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@drawable/logo" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,96 @@
+<?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:background="#FFFFFF"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".RecupearPasswordActivity">
+
+    <Button
+        android:id="@+id/loginButton3"
+        android:layout_width="315dp"
+        android:layout_height="50dp"
+        android:layout_marginTop="24dp"
+        android:backgroundTint="#050505"
+        android:text="Entrar ->"
+        app:cornerRadius="10dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/emailEditText4" />
+
+    <TextView
+        android:id="@+id/emailTextView2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="40dp"
+        android:text="Email"
+        android:textSize="12sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.104"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView9" />
+
+    <EditText
+        android:id="@+id/emailEditText4"
+        android:layout_width="338dp"
+        android:layout_height="49dp"
+        android:layout_marginTop="12dp"
+        android:background="@drawable/button_background"
+        android:ems="10"
+        android:hint="seu@email.com"
+        android:inputType="textEmailAddress"
+        android:textSize="15dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.493"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/emailTextView2" />
+
+    <ImageView
+        android:id="@+id/logoImageView2"
+        android:layout_width="211dp"
+        android:layout_height="105dp"
+        android:layout_marginTop="204dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.08"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@drawable/logo" />
+
+    <TextView
+        android:id="@+id/textView8"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:text="Recuperar password"
+        android:textSize="26dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.23"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/logoImageView2" />
+
+    <TextView
+        android:id="@+id/textView9"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:text="Insira o seu email para recuperar a password"
+        android:textSize="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.425"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView8" />
+
+    <ProgressBar
+        android:id="@+id/loadingProgressBar"
+        style="?android:attr/progressBarStyle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/loginButton3" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,10 @@
+<?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"
+    tools:context=".TelaInicialActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="black">#FF000000</color>
-    <color name="white">#FFFFFFFF</color>
+    <color name="preto">#FF000000</color>
+    <color name="branco">#FFFFFFFF</color>
+    <color name="cinza">#CCCBCB</color>
 </resources>

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

@@ -1,3 +1,5 @@
 <resources>
     <string name="app_name">LifeGrid</string>
+    <!-- Substitua pelo Web Client ID do Firebase Console -> Authentication -> Sign-in method -> Google -->
+    <string name="default_web_client_id">YOUR_WEB_CLIENT_ID_HERE</string>
 </resources>

build.gradle.kts

@@ -1,4 +1,5 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     alias(libs.plugins.android.application) apply false
+    alias(libs.plugins.google.gms.google.services) apply false
 }

gradle/libs.versions.toml

@@ -7,6 +7,14 @@ appcompat = "1.7.1"
 material = "1.13.0"
 activity = "1.11.0"
 constraintlayout = "2.2.1"
+googleGmsGoogleServices = "4.4.4"
+firebaseAuth = "24.0.1"
+credentials = "1.5.0"
+credentialsPlayServicesAuth = "1.5.0"
+googleid = "1.1.1"
+firebaseDatabase = "22.0.1"
+recyclerview = "1.4.0"
+playServicesAuth = "21.2.0"
 
 [libraries]
 junit = { group = "junit", name = "junit", version.ref = "junit" }
@@ -16,7 +24,15 @@ appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "a
 material = { group = "com.google.android.material", name = "material", version.ref = "material" }
 activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
 constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
+firebase-auth = { group = "com.google.firebase", name = "firebase-auth", version.ref = "firebaseAuth" }
+credentials = { group = "androidx.credentials", name = "credentials", version.ref = "credentials" }
+credentials-play-services-auth = { group = "androidx.credentials", name = "credentials-play-services-auth", version.ref = "credentialsPlayServicesAuth" }
+googleid = { group = "com.google.android.libraries.identity.googleid", name = "googleid", version.ref = "googleid" }
+firebase-database = { group = "com.google.firebase", name = "firebase-database", version.ref = "firebaseDatabase" }
+recyclerview = { group = "androidx.recyclerview", name = "recyclerview", version.ref = "recyclerview" }
+play-services-auth = { group = "com.google.android.gms", name = "play-services-auth", version.ref = "playServicesAuth" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
+google-gms-google-services = { id = "com.google.gms.google-services", version.ref = "googleGmsGoogleServices" }