diff --git a/demos/transformer/src/main/java/com/google/android/exoplayer2/transformerdemo/ConfigurationActivity.java b/demos/transformer/src/main/java/com/google/android/exoplayer2/transformerdemo/ConfigurationActivity.java
index ca1d9742d5..cb1fdf7009 100644
--- a/demos/transformer/src/main/java/com/google/android/exoplayer2/transformerdemo/ConfigurationActivity.java
+++ b/demos/transformer/src/main/java/com/google/android/exoplayer2/transformerdemo/ConfigurationActivity.java
@@ -161,6 +161,8 @@ public final class ConfigurationActivity extends AppCompatActivity {
 
     enableFallbackCheckBox = findViewById(R.id.enable_fallback_checkbox);
     enableRequestSdrToneMappingCheckBox = findViewById(R.id.request_sdr_tone_mapping_checkbox);
+    enableRequestSdrToneMappingCheckBox.setEnabled(isRequestSdrToneMappingSupported());
+    findViewById(R.id.request_sdr_tone_mapping).setEnabled(isRequestSdrToneMappingSupported());
     enableHdrEditingCheckBox = findViewById(R.id.hdr_editing_checkbox);
   }
 
@@ -303,7 +305,8 @@ public final class ConfigurationActivity extends AppCompatActivity {
     resolutionHeightSpinner.setEnabled(isVideoEnabled);
     scaleSpinner.setEnabled(isVideoEnabled);
     rotateSpinner.setEnabled(isVideoEnabled);
-    enableRequestSdrToneMappingCheckBox.setEnabled(isVideoEnabled);
+    enableRequestSdrToneMappingCheckBox.setEnabled(
+        isRequestSdrToneMappingSupported() && isVideoEnabled);
     enableHdrEditingCheckBox.setEnabled(isVideoEnabled);
 
     findViewById(R.id.audio_mime_text_view).setEnabled(isAudioEnabled);
@@ -311,7 +314,12 @@ public final class ConfigurationActivity extends AppCompatActivity {
     findViewById(R.id.resolution_height_text_view).setEnabled(isVideoEnabled);
     findViewById(R.id.scale).setEnabled(isVideoEnabled);
     findViewById(R.id.rotate).setEnabled(isVideoEnabled);
-    findViewById(R.id.request_sdr_tone_mapping).setEnabled(isVideoEnabled);
+    findViewById(R.id.request_sdr_tone_mapping)
+        .setEnabled(isRequestSdrToneMappingSupported() && isVideoEnabled);
     findViewById(R.id.hdr_editing).setEnabled(isVideoEnabled);
   }
+
+  private static boolean isRequestSdrToneMappingSupported() {
+    return Util.SDK_INT >= 31;
+  }
 }
diff --git a/demos/transformer/src/main/res/values/strings.xml b/demos/transformer/src/main/res/values/strings.xml
index 8ab9fe25f2..c01a06bd3a 100644
--- a/demos/transformer/src/main/res/values/strings.xml
+++ b/demos/transformer/src/main/res/values/strings.xml
@@ -27,7 +27,7 @@
   <string name="scale" translatable="false">Scale video</string>
   <string name="rotate" translatable="false">Rotate video (degrees)</string>
   <string name="enable_fallback" translatable="false">Enable fallback</string>
-  <string name="request_sdr_tone_mapping" translatable="false">Request SDR tone-mapping</string>
+  <string name="request_sdr_tone_mapping" translatable="false">Request SDR tone-mapping (API 31+)</string>
   <string name="hdr_editing" translatable="false">[Experimental] HDR editing</string>
   <string name="transform" translatable="false">Transform</string>
   <string name="debug_preview" translatable="false">Debug preview:</string>