SetUpActivityがエラーを起こしていたので、再度作り直しました

app/src/main/AndroidManifest.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-
     xmlns:tools="http://schemas.android.com/tools" >
 
     <application
@@ -14,22 +13,19 @@
         android:theme="@style/Theme.Oplogy"
         tools:ignore="ExtraText"
         tools:targetApi="31" >
-
+        <activity
+            android:name=".SetUpActivity"
+            android:exported="false" />
         <!-- TODO: Before you run your application, you need a Google Maps API key. -->
-
         <!-- To get one, follow the directions here: -->
-
         <!-- https://developers.google.com/maps/documentation/android-sdk/get-api-key -->
-
         <!-- Once you have your API key (it starts with "AIza"), define a new property in your -->
         <!-- project's local.properties file (e.g. MAPS_API_KEY=Aiza...), and replace the -->
         <!-- "YOUR_API_KEY" string in this file with "${MAPS_API_KEY}". -->
-
         <meta-data
             android:name="com.google.android.geo.API_KEY"
             android:value="AIzaSyBQ1Ak-I2NL5TP4K59ZI0VgzKk6HNZuusw" />
 
-
         <activity
             android:name=".Maps"
             android:exported="false"
@@ -43,22 +39,16 @@
         <activity
             android:name=".RootSearchActivity"
             android:exported="false" />
-        <activity
-            android:name=".SetupActivity"
-            android:exported="false" />
         <activity
             android:name=".CreateUUID"
             android:exported="false" />
-
         <activity
-            android:name="com.example.oplogy.DialogFragment"
+            android:name=".DialogFragment"
             android:exported="false" />
-
         <activity
             android:name=".MainActivity"
             android:exported="true"
             tools:ignore="DuplicateActivity" >
-
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
@@ -68,11 +58,3 @@
     </application>
 
 </manifest>
-
-
-
-  
-
-  
-
-

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

@@ -87,7 +87,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
 //        セットアップのクリック処理
         if(view == setUp){
             imageSetup.setImageResource(R.drawable.ischecked_uuid);
-            Intent toSetup = new Intent(MainActivity.this,SetupActivity.class);
+            Intent toSetup = new Intent(MainActivity.this, SetUpActivity.class);
             startActivity(toSetup);
 
         }

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

@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout 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"
     android:orientation="vertical"
-    android:gravity="center"
-    android:layout_margin="25dp">
+    android:gravity="center">
 
     <TextView
         android:layout_width="wrap_content"

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

@@ -1,9 +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:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".SetupActivity">
-
-</androidx.constraintlayout.widget.ConstraintLayout>