tauri-plugins-workspace/plugins/biometric/android/src/main/AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
  <application>
    <activity
      android:name=".BiometricActivity"
      android:label="BiometricActivity"
      android:theme="@style/AppTheme.Transparent"/>
  </application>
</manifest>