diff --git a/shell/platform/android/io/flutter/embedding/engine/FlutterJNI.java b/shell/platform/android/io/flutter/embedding/engine/FlutterJNI.java
index b4aaff8bcde33..17f918174af50 100644
--- a/shell/platform/android/io/flutter/embedding/engine/FlutterJNI.java
+++ b/shell/platform/android/io/flutter/embedding/engine/FlutterJNI.java
@@ -902,8 +902,11 @@ private native void nativeInvokePlatformMessageEmptyResponseCallback(
   // TODO(mattcarroll): differentiate between channel responses and platform responses.
   @UiThread
   public void invokePlatformMessageResponseCallback(
-      int responseId, @Nullable ByteBuffer message, int position) {
+      int responseId, @NonNull ByteBuffer message, int position) {
     ensureRunningOnMainThread();
+    if (!message.isDirect()) {
+      throw new IllegalArgumentException("Expected a direct ByteBuffer.");
+    }
     if (isAttached()) {
       nativeInvokePlatformMessageResponseCallback(
           nativeShellHolderId, responseId, message, position);
diff --git a/shell/platform/android/platform_view_android.cc b/shell/platform/android/platform_view_android.cc
index 1420fbebe4b9b..aa83d9cacbfeb 100644
--- a/shell/platform/android/platform_view_android.cc
+++ b/shell/platform/android/platform_view_android.cc
@@ -220,6 +220,7 @@ void PlatformViewAndroid::InvokePlatformMessageResponseCallback(
     return;
   uint8_t* response_data =
       static_cast<uint8_t*>(env->GetDirectBufferAddress(java_response_data));
+  FML_DCHECK(response_data != nullptr);
   std::vector<uint8_t> response = std::vector<uint8_t>(
       response_data, response_data + java_response_position);
   auto message_response = std::move(it->second);
diff --git a/shell/platform/android/test/io/flutter/embedding/engine/FlutterJNITest.java b/shell/platform/android/test/io/flutter/embedding/engine/FlutterJNITest.java
index 5f8eeea590172..5f057c36609a0 100644
--- a/shell/platform/android/test/io/flutter/embedding/engine/FlutterJNITest.java
+++ b/shell/platform/android/test/io/flutter/embedding/engine/FlutterJNITest.java
@@ -17,6 +17,7 @@
 import io.flutter.embedding.engine.systemchannels.LocalizationChannel;
 import io.flutter.plugin.localization.LocalizationPlugin;
 import io.flutter.plugin.platform.PlatformViewsController;
+import java.nio.ByteBuffer;
 import java.util.Locale;
 import java.util.concurrent.atomic.AtomicInteger;
 import org.junit.Test;
@@ -237,4 +238,11 @@ public void createOverlaySurface__callsPlatformViewsController() {
     // --- Verify Results ---
     verify(platformViewsController, times(1)).createOverlaySurface();
   }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void invokePlatformMessageResponseCallback__wantsDirectBuffer() {
+    FlutterJNI flutterJNI = new FlutterJNI();
+    ByteBuffer buffer = ByteBuffer.allocate(4);
+    flutterJNI.invokePlatformMessageResponseCallback(0, buffer, buffer.position());
+  }
 }