diff --git a/vibrator/aidl/default/Vibrator.cpp b/vibrator/aidl/default/Vibrator.cpp
index cedd9cb..d6ce8a1 100644
--- a/vibrator/aidl/default/Vibrator.cpp
+++ b/vibrator/aidl/default/Vibrator.cpp
@@ -113,6 +113,26 @@
     return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus Vibrator::getSupportedPrimitives(std::vector<CompositePrimitive>* supported) {
+    *supported = {
+            CompositePrimitive::NOOP,       CompositePrimitive::CLICK,
+            CompositePrimitive::THUD,       CompositePrimitive::SPIN,
+            CompositePrimitive::QUICK_RISE, CompositePrimitive::SLOW_RISE,
+            CompositePrimitive::QUICK_FALL,
+    };
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Vibrator::getPrimitiveDuration(CompositePrimitive primitive,
+                                                  int32_t* durationMs) {
+    if (primitive != CompositePrimitive::NOOP) {
+        *durationMs = 100;
+    } else {
+        *durationMs = 0;
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
 ndk::ScopedAStatus Vibrator::compose(const std::vector<CompositeEffect>& composite,
                                      const std::shared_ptr<IVibratorCallback>& callback) {
     if (composite.size() > kComposeSizeMax) {
diff --git a/vibrator/aidl/default/include/vibrator-impl/Vibrator.h b/vibrator/aidl/default/include/vibrator-impl/Vibrator.h
index 0eb957d..c3f3616 100644
--- a/vibrator/aidl/default/include/vibrator-impl/Vibrator.h
+++ b/vibrator/aidl/default/include/vibrator-impl/Vibrator.h
@@ -36,6 +36,9 @@
     ndk::ScopedAStatus setExternalControl(bool enabled) override;
     ndk::ScopedAStatus getCompositionDelayMax(int32_t* maxDelayMs);
     ndk::ScopedAStatus getCompositionSizeMax(int32_t* maxSize);
+    ndk::ScopedAStatus getSupportedPrimitives(std::vector<CompositePrimitive>* supported) override;
+    ndk::ScopedAStatus getPrimitiveDuration(CompositePrimitive primitive,
+                                            int32_t* durationMs) override;
     ndk::ScopedAStatus compose(const std::vector<CompositeEffect>& composite,
                                const std::shared_ptr<IVibratorCallback>& callback) override;
     ndk::ScopedAStatus getSupportedAlwaysOnEffects(std::vector<Effect>* _aidl_return) override;