アクティビティ作成

app/build.gradle

@@ -67,6 +67,7 @@ dependencies {
     // Declare the dependency for the Cloud Firestore library
     // When using the BoM, you don't specify versions in Firebase library dependencies
     implementation("com.google.firebase:firebase-firestore")
+    implementation 'androidx.activity:activity:1.8.0'
 
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'

app/src/main/AndroidManifest.xml

@@ -10,6 +10,7 @@
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.VIBRATE" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -20,6 +21,9 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.ChildGuard"
         tools:targetApi="31">
+        <activity
+            android:name=".QrControlActivity"
+            android:exported="false" />
         <activity
             android:name=".First_Start"
             android:exported="false"

app/src/main/java/com/example/childguard/QrControlActivity.java

@@ -0,0 +1,24 @@
+package com.example.childguard;
+
+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 QrControlActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_qr_control);
+        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_qr_control.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=".QrControlActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>