diff --git a/android/src/main/kotlin/com/stripe/stripe_terminal/StripeTerminalPlugin.kt b/android/src/main/kotlin/com/stripe/stripe_terminal/StripeTerminalPlugin.kt
index 9e006e8..271f273 100644
--- a/android/src/main/kotlin/com/stripe/stripe_terminal/StripeTerminalPlugin.kt
+++ b/android/src/main/kotlin/com/stripe/stripe_terminal/StripeTerminalPlugin.kt
@@ -682,6 +682,9 @@ class StripeTerminalPlugin : FlutterPlugin, MethodCallHandler,
         TODO("Not yet implemented")
     }
 
+    override fun onWindowFocusChanged(p0: Boolean): Unit {
+        TODO("Not yet implemented")
+    }
 
 }