Remove setCallback(nullptr) from recording stream
diff --git a/samples/LiveEffect/src/main/cpp/LiveEffectEngine.cpp b/samples/LiveEffect/src/main/cpp/LiveEffectEngine.cpp
index 586dd13..c2a46c8 100644
--- a/samples/LiveEffect/src/main/cpp/LiveEffectEngine.cpp
+++ b/samples/LiveEffect/src/main/cpp/LiveEffectEngine.cpp
@@ -115,9 +115,8 @@
  */
 oboe::AudioStreamBuilder *LiveEffectEngine::setupRecordingStreamParameters(
     oboe::AudioStreamBuilder *builder) {
-    // This sample uses blocking read() by setting callback to null
-    builder->setDataCallback(nullptr)
-        ->setDeviceId(mRecordingDeviceId)
+    // This sample uses blocking read() because we don't specify a callback
+    builder->setDeviceId(mRecordingDeviceId)
         ->setDirection(oboe::Direction::Input)
         ->setSampleRate(mSampleRate)
         ->setChannelCount(mInputChannelCount);