Registrarse funciona

.idea/misc.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
+  <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">

app/src/main/AndroidManifest.xml

@@ -17,10 +17,10 @@
             android:exported="true" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".RegisterActivity" android:exported="true"/>
     </application>
 
 </manifest>
\ No newline at end of file

app/src/main/java/com/example/ellegadodepintia/MainActivity.kt

 package com.example.ellegadodepintia
 
+import android.content.Intent
 import android.os.Bundle
-import androidx.activity.enableEdgeToEdge
+import android.widget.Button
 import androidx.appcompat.app.AppCompatActivity
-import androidx.core.view.ViewCompat
-import androidx.core.view.WindowInsetsCompat
 
 class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        enableEdgeToEdge()
         setContentView(R.layout.activity_main)
-        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
-            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
-            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
-            insets
+
+        val signInButton = findViewById<Button>(R.id.signInButton)
+        signInButton.setOnClickListener {
+            val intent = Intent(this, RegisterActivity::class.java)
+            startActivity(intent)
         }
     }
 }
\ No newline at end of file

app/src/main/java/com/example/ellegadodepintia/RegisterActivity.kt

+package com.example.ellegadodepintia
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+
+class RegisterActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_register)
+    }
+}