firebase導入とSetUpActivityを作成しました

app/src/main/AndroidManifest.xml

@@ -12,7 +12,9 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.Oplogy"
         tools:targetApi="31">
-
+        <activity
+            android:name=".SetUpActivity"
+            android:exported="false" />
         <!--
              TODO: Before you run your application, you need a Google Maps API key.
 
@@ -32,13 +34,12 @@
             android:name=".MapsActivity"
             android:exported="true"
             android:label="@string/title_activity_maps">
+
             <!-- <intent-filter> -->
             <!-- <action android:name="android.intent.action.MAIN" /> -->
             <!-- <category android:name="android.intent.category.LAUNCHER" /> -->
             <!-- </intent-filter> -->
         </activity>
-
-
         <activity
             android:name=".MainActivity"
             android:exported="true">

app/src/main/java/com/example/oplogy/SetUpActivity.java

@@ -0,0 +1,14 @@
+package com.example.oplogy;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+
+public class SetUpActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_set_up);
+    }
+}

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

@@ -0,0 +1,9 @@
+<?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"
+    tools:context=".SetUpActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>