Criei menu de login e de criar conta (com design e tudo a funcionar)

.idea/appInsightsSettings.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AppInsightsSettings">
+    <option name="tabSettings">
+      <map>
+        <entry key="Firebase Crashlytics">
+          <value>
+            <InsightsFilterSettings>
+              <option name="connection">
+                <ConnectionSetting>
+                  <option name="appId" value="com.example.vdcscore" />
+                  <option name="mobileSdkAppId" value="1:89853204936:android:a307054db52e1419e088fd" />
+                  <option name="projectId" value="vdcscore" />
+                  <option name="projectNumber" value="89853204936" />
+                </ConnectionSetting>
+              </option>
+              <option name="signal" value="SIGNAL_UNSPECIFIED" />
+              <option name="timeIntervalDays" value="THIRTY_DAYS" />
+              <option name="visibilityType" value="ALL" />
+            </InsightsFilterSettings>
+          </value>
+        </entry>
+      </map>
+    </option>
+  </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

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

.idea/misc.xml

@@ -1,4 +1,3 @@
-<?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">

app/build.gradle.kts

@@ -1,5 +1,6 @@
 plugins {
     alias(libs.plugins.android.application)
+    alias(libs.plugins.google.gms.google.services)
 }
 
 android {
@@ -37,6 +38,11 @@ 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)
     testImplementation(libs.junit)
     androidTestImplementation(libs.ext.junit)
     androidTestImplementation(libs.espresso.core)

app/src/main/AndroidManifest.xml

@@ -12,8 +12,8 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.VdcScore">
         <activity
-            android:name=".MainActivity"
+            android:name=".CriarContaActivity"
-            android:exported="true">
+            android:exported="false">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

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

@@ -0,0 +1,76 @@
+package com.example.vdcscore;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+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;
+
+public class CriarContaActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_criarconta);
+        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;
+        });
+        EditText editPassword2;
+        EditText editEmail;
+        EditText editConfirmPassword;
+        Button btnCreateAccount;
+        TextView txtGoLogin;
+
+
+        editEmail = findViewById(R.id.editEmail);
+        editPassword2 = findViewById(R.id.editPassword2);
+        editConfirmPassword = findViewById(R.id.editConfirmPassword);
+        btnCreateAccount = findViewById(R.id.btnCreateAccount);
+        txtGoLogin = findViewById(R.id.txtGoLogin);
+
+        // Criar conta
+        btnCreateAccount.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                String email = editEmail.getText().toString();
+                String pass = editPassword2.getText().toString();
+                String conf = editConfirmPassword.getText().toString();
+
+                if (email.isEmpty() || pass.isEmpty() || conf.isEmpty()) {
+                    Toast.makeText(CriarContaActivity.this, "Preencha todos os campos!", Toast.LENGTH_SHORT).show();
+                    return;
+                }
+
+                if (!pass.equals(conf)) {
+                    Toast.makeText(CriarContaActivity.this, "As passwords não coincidem!", Toast.LENGTH_SHORT).show();
+                    return;
+                }
+
+                // Por agora só mostra mensagem (podemos pôr Firebase ou SQLite depois)
+                Toast.makeText(CriarContaActivity.this, "Conta criada com sucesso!", Toast.LENGTH_SHORT).show();
+
+                finish(); // volta para o login
+            }
+        });
+
+        // Voltar ao login
+        txtGoLogin.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(CriarContaActivity.this, LoginActivity.class);
+            }
+
+        });
+    }
+}

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

@@ -0,0 +1,59 @@
+package com.example.vdcscore;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.google.firebase.auth.FirebaseAuth;
+
+public class LoginActivity extends AppCompatActivity {
+
+    EditText editEmail, editPassword;
+    Button btnLogin;
+    FirebaseAuth mAuth;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login);
+
+        editEmail = findViewById(R.id.editEmail);
+        editPassword = findViewById(R.id.editPassword2);
+        btnLogin = findViewById(R.id.btnLogin);
+
+        mAuth = FirebaseAuth.getInstance();
+
+        btnLogin.setOnClickListener(v -> loginUser());
+    }
+
+    private void loginUser() {
+        String email = editEmail.getText().toString().trim();
+        String password = editPassword.getText().toString().trim();
+
+        if (email.isEmpty() || password.isEmpty()) {
+            Toast.makeText(this, "Preencha todos os campos", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        mAuth.signInWithEmailAndPassword(email, password)
+                .addOnCompleteListener(task -> {
+                    if (task.isSuccessful()) {
+
+                        Toast.makeText(this, "Login efetuado!", Toast.LENGTH_SHORT).show();
+
+                        // Abre a tua página principal
+                        startActivity(new Intent(LoginActivity.this, CriarContaActivity.class));
+                        finish();
+
+                    } else {
+                        Toast.makeText(this,
+                                "Erro: " + task.getException().getMessage(),
+                                Toast.LENGTH_LONG).show();
+                    }
+                });
+    }
+}

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

@@ -1,24 +0,0 @@
-package com.example.vdcscore;
-
-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 MainActivity extends AppCompatActivity {
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        EdgeToEdge.enable(this);
-        setContentView(R.layout.activity_main);
-        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/layout/activity_criarconta.xml

@@ -0,0 +1,132 @@
+<?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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#ECEFF1"
+    android:id="@+id/main">
+
+    <!-- Título Criar Conta -->
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="56dp"
+        android:text="Criar Conta"
+        android:textSize="35sp"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.497"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <!-- Subtítulo VdcScore -->
+    <TextView
+        android:id="@+id/textView4"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="15dp"
+        android:text="VdcScore"
+        android:textSize="25sp"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toTopOf="@+id/cardRegister"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView" />
+
+    <!-- Card -->
+    <androidx.cardview.widget.CardView
+        android:id="@+id/cardRegister"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:elevation="10dp"
+        android:padding="24dp"
+        app:cardCornerRadius="18dp"
+        app:cardUseCompatPadding="true"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        android:layout_marginTop="80dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <!-- Nome -->
+
+            <!-- Email -->
+            <EditText
+                android:id="@+id/editEmail"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="12dp"
+                android:background="@android:drawable/edit_text"
+                android:drawableLeft="@android:drawable/ic_menu_send"
+                android:hint="Email"
+                android:padding="12dp"
+                android:textColor="#263238"
+                android:textColorHint="#90A4AE" />
+
+            <!-- Password -->
+            <EditText
+                android:id="@+id/editPassword2"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="12dp"
+                android:background="@android:drawable/edit_text"
+                android:drawableLeft="@android:drawable/ic_lock_lock"
+                android:hint="Password"
+                android:inputType="textPassword"
+                android:padding="12dp"
+                android:textColor="#263238"
+                android:textColorHint="#90A4AE" />
+
+            <!-- Confirmar Password -->
+            <EditText
+                android:id="@+id/editConfirmPassword"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="18dp"
+                android:background="@android:drawable/edit_text"
+                android:drawableLeft="@android:drawable/ic_lock_lock"
+                android:hint="Confirmar Password"
+                android:inputType="textPassword"
+                android:padding="12dp"
+                android:textColor="#263238"
+                android:textColorHint="#90A4AE" />
+
+            <!-- Botão -->
+            <Button
+                android:id="@+id/btnCreateAccount"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="10dp"
+                android:layout_marginBottom="10dp"
+                android:backgroundTint="#1E88E5"
+                android:padding="12dp"
+                android:text="Criar Conta"
+                android:textColor="#FFFFFF" />
+
+        </LinearLayout>
+
+    </androidx.cardview.widget.CardView>
+
+    <!-- Voltar ao Login -->
+    <TextView
+        android:id="@+id/txtGoLogin"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="10dp"
+        android:text="Já tens conta? Entrar"
+        android:textColor="#1E88E5"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/cardRegister" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,101 @@
+<?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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#ECEFF1">
+
+    <!-- Card -->
+
+    <!-- Texto "Criar conta" -->
+    <androidx.cardview.widget.CardView
+        android:id="@+id/cardLogin"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:elevation="10dp"
+        android:padding="24dp"
+        app:cardCornerRadius="18dp"
+        app:cardUseCompatPadding="true"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_margin="140dp"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <!-- Email -->
+            <EditText
+                android:id="@+id/editEmail"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="12dp"
+                android:background="@android:drawable/edit_text"
+                android:drawableLeft="@android:drawable/ic_menu_send"
+                android:hint="Email"
+                android:padding="12dp"
+                android:textColor="#263238"
+                android:textColorHint="#90A4AE" />
+
+            <!-- Password -->
+            <EditText
+                android:id="@+id/editPassword2"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="18dp"
+                android:background="@android:drawable/edit_text"
+                android:drawableLeft="@android:drawable/ic_lock_lock"
+                android:hint="Password"
+                android:inputType="textPassword"
+                android:padding="12dp"
+                android:textColor="#263238"
+                android:textColorHint="#90A4AE" />
+
+            <!-- Botão -->
+            <Button
+                android:id="@+id/btnLogin"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="10dp"
+                android:layout_marginBottom="10dp"
+                android:backgroundTint="#1E88E5"
+                android:padding="12dp"
+                android:text="Entrar"
+                android:textColor="#FFFFFF" />
+
+        </LinearLayout>
+
+    </androidx.cardview.widget.CardView>
+
+    <TextView
+        android:id="@+id/txtRegister"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="30dp"
+        android:text="Criar conta"
+        android:textColor="#1E88E5"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_margin="10dp"
+        app:layout_constraintTop_toBottomOf="@+id/cardLogin" />
+
+    <TextView
+        android:id="@+id/textView3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="50dp"
+        android:text="VdcScore"
+        android:textSize="25sp"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toTopOf="@+id/cardLogin"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -1,19 +0,0 @@
-<?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=".MainActivity">
-
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <item name="main" type="id" />
+</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 +7,12 @@ 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"
 
 [libraries]
 junit = { group = "junit", name = "junit", version.ref = "junit" }
@@ -16,7 +22,13 @@ 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" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
+google-gms-google-services = { id = "com.google.gms.google-services", version.ref = "googleGmsGoogleServices" }