diff --git a/apk-webview/app/src/main/AndroidManifest.xml b/apk-webview/app/src/main/AndroidManifest.xml
index 858582b..722d0ee 100644
--- a/apk-webview/app/src/main/AndroidManifest.xml
+++ b/apk-webview/app/src/main/AndroidManifest.xml
@@ -32,12 +32,20 @@
         <activity
             android:name=".MainActivity"
             android:exported="true"
+            android:theme="@android:style/Theme.Material.NoActionBar"
             android:configChanges="orientation|screenSize|keyboardHidden">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <activity
+            android:name=".AboutActivity"
+            android:exported="false"
+            android:label="@string/about_title"
+            android:parentActivityName=".MainActivity"
+            android:theme="@android:style/Theme.Material.NoActionBar" />
     </application>
 
 </manifest>