diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index db86c8e..9fd25f9 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -29,6 +29,17 @@
 
 namespace android {
 
+const char* motionClassificationToString(MotionClassification classification) {
+    switch (classification) {
+        case MotionClassification::NONE:
+            return "NONE";
+        case MotionClassification::AMBIGUOUS_GESTURE:
+            return "AMBIGUOUS_GESTURE";
+        case MotionClassification::DEEP_PRESS:
+            return "DEEP_PRESS";
+    }
+}
+
 // --- InputEvent ---
 
 void InputEvent::initialize(int32_t deviceId, int32_t source, int32_t displayId) {
diff --git a/libs/input/InputTransport.cpp b/libs/input/InputTransport.cpp
index 0ddee44..0f7a1f0 100644
--- a/libs/input/InputTransport.cpp
+++ b/libs/input/InputTransport.cpp
@@ -157,6 +157,8 @@
             msg->body.motion.metaState = body.motion.metaState;
             // int32_t buttonState
             msg->body.motion.buttonState = body.motion.buttonState;
+            // MotionClassification classification
+            msg->body.motion.classification = body.motion.classification;
             // int32_t edgeFlags
             msg->body.motion.edgeFlags = body.motion.edgeFlags;
             // nsecs_t downTime
@@ -448,6 +450,7 @@
         int32_t edgeFlags,
         int32_t metaState,
         int32_t buttonState,
+        MotionClassification classification,
         float xOffset,
         float yOffset,
         float xPrecision,
@@ -461,13 +464,13 @@
     ALOGD("channel '%s' publisher ~ publishMotionEvent: seq=%u, deviceId=%d, source=0x%x, "
             "displayId=%" PRId32 ", "
             "action=0x%x, actionButton=0x%08x, flags=0x%x, edgeFlags=0x%x, "
-            "metaState=0x%x, buttonState=0x%x, xOffset=%f, yOffset=%f, "
+            "metaState=0x%x, buttonState=0x%x, classification=%s, xOffset=%f, yOffset=%f, "
             "xPrecision=%f, yPrecision=%f, downTime=%" PRId64 ", eventTime=%" PRId64 ", "
             "pointerCount=%" PRIu32,
             mChannel->getName().c_str(), seq,
             deviceId, source, displayId, action, actionButton, flags, edgeFlags, metaState,
-            buttonState, xOffset, yOffset, xPrecision, yPrecision, downTime, eventTime,
-            pointerCount);
+            buttonState, motionClassificationToString(classification),
+            xOffset, yOffset, xPrecision, yPrecision, downTime, eventTime, pointerCount);
 #endif
 
     if (!seq) {
@@ -493,6 +496,7 @@
     msg.body.motion.edgeFlags = edgeFlags;
     msg.body.motion.metaState = metaState;
     msg.body.motion.buttonState = buttonState;
+    msg.body.motion.classification = classification;
     msg.body.motion.xOffset = xOffset;
     msg.body.motion.yOffset = yOffset;
     msg.body.motion.xPrecision = xPrecision;
@@ -1112,7 +1116,7 @@
             msg->body.motion.edgeFlags,
             msg->body.motion.metaState,
             msg->body.motion.buttonState,
-            MotionClassification::NONE,
+            msg->body.motion.classification,
             msg->body.motion.xOffset,
             msg->body.motion.yOffset,
             msg->body.motion.xPrecision,
diff --git a/libs/input/tests/InputChannel_test.cpp b/libs/input/tests/InputChannel_test.cpp
index 96c165c..f1675c0 100644
--- a/libs/input/tests/InputChannel_test.cpp
+++ b/libs/input/tests/InputChannel_test.cpp
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#include <array>
+
 #include "TestHelpers.h"
 
 #include <unistd.h>
@@ -155,5 +157,37 @@
             << "sendMessage should have returned DEAD_OBJECT";
 }
 
+TEST_F(InputChannelTest, SendAndReceive_MotionClassification) {
+    sp<InputChannel> serverChannel, clientChannel;
+    status_t result = InputChannel::openInputChannelPair("channel name",
+            serverChannel, clientChannel);
+    ASSERT_EQ(OK, result)
+            << "should have successfully opened a channel pair";
+
+    std::array<MotionClassification, 3> classifications = {
+        MotionClassification::NONE,
+        MotionClassification::AMBIGUOUS_GESTURE,
+        MotionClassification::DEEP_PRESS,
+    };
+
+    InputMessage serverMsg = {}, clientMsg;
+    serverMsg.header.type = InputMessage::TYPE_MOTION;
+    serverMsg.body.motion.seq = 1;
+    serverMsg.body.motion.pointerCount = 1;
+
+    for (MotionClassification classification : classifications) {
+        // Send and receive a message with classification
+        serverMsg.body.motion.classification = classification;
+        EXPECT_EQ(OK, serverChannel->sendMessage(&serverMsg))
+                << "server channel should be able to send message to client channel";
+
+        EXPECT_EQ(OK, clientChannel->receiveMessage(&clientMsg))
+                << "client channel should be able to receive message from server channel";
+        EXPECT_EQ(serverMsg.header.type, clientMsg.header.type);
+        EXPECT_EQ(classification, clientMsg.body.motion.classification) <<
+                "Expected to receive " << motionClassificationToString(classification);
+    }
+}
+
 
 } // namespace android
diff --git a/libs/input/tests/InputEvent_test.cpp b/libs/input/tests/InputEvent_test.cpp
index e4c1514..2b75c82 100644
--- a/libs/input/tests/InputEvent_test.cpp
+++ b/libs/input/tests/InputEvent_test.cpp
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <array>
 #include <math.h>
 
 #include <binder/Parcel.h>
@@ -25,11 +26,7 @@
 // Default display id.
 static constexpr int32_t DISPLAY_ID = ADISPLAY_ID_DEFAULT;
 
-class BaseTest : public testing::Test {
-protected:
-    virtual void SetUp() { }
-    virtual void TearDown() { }
-};
+class BaseTest : public testing::Test { };
 
 // --- PointerCoordsTest ---
 
@@ -316,6 +313,7 @@
     ASSERT_EQ(AMOTION_EVENT_EDGE_FLAG_TOP, event->getEdgeFlags());
     ASSERT_EQ(AMETA_ALT_ON, event->getMetaState());
     ASSERT_EQ(AMOTION_EVENT_BUTTON_PRIMARY, event->getButtonState());
+    ASSERT_EQ(MotionClassification::NONE, event->getClassification());
     ASSERT_EQ(X_OFFSET, event->getXOffset());
     ASSERT_EQ(Y_OFFSET, event->getYOffset());
     ASSERT_EQ(2.0f, event->getXPrecision());
@@ -609,4 +607,30 @@
     ASSERT_NEAR(originalRawY, event.getRawY(0), 0.001);
 }
 
+TEST_F(MotionEventTest, Initialize_SetsClassification) {
+    std::array<MotionClassification, 3> classifications = {
+            MotionClassification::NONE,
+            MotionClassification::AMBIGUOUS_GESTURE,
+            MotionClassification::DEEP_PRESS,
+    };
+
+    MotionEvent event;
+    constexpr size_t pointerCount = 1;
+    PointerProperties pointerProperties[pointerCount];
+    PointerCoords pointerCoords[pointerCount];
+    for (size_t i = 0; i < pointerCount; i++) {
+        pointerProperties[i].clear();
+        pointerProperties[i].id = i;
+        pointerCoords[i].clear();
+    }
+
+    for (MotionClassification classification : classifications) {
+        event.initialize(0 /*deviceId*/, AINPUT_SOURCE_TOUCHSCREEN, DISPLAY_ID,
+                AMOTION_EVENT_ACTION_DOWN, 0, 0, AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, 0,
+                classification, 0, 0, 0, 0, 0 /*downTime*/, 0 /*eventTime*/,
+                pointerCount, pointerProperties, pointerCoords);
+        ASSERT_EQ(classification, event.getClassification());
+    }
+}
+
 } // namespace android
diff --git a/libs/input/tests/InputPublisherAndConsumer_test.cpp b/libs/input/tests/InputPublisherAndConsumer_test.cpp
index 0788c89..f2cd1be 100644
--- a/libs/input/tests/InputPublisherAndConsumer_test.cpp
+++ b/libs/input/tests/InputPublisherAndConsumer_test.cpp
@@ -141,6 +141,7 @@
     constexpr int32_t edgeFlags = AMOTION_EVENT_EDGE_FLAG_TOP;
     constexpr int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
     constexpr int32_t buttonState = AMOTION_EVENT_BUTTON_PRIMARY;
+    constexpr MotionClassification classification = MotionClassification::AMBIGUOUS_GESTURE;
     constexpr float xOffset = -10;
     constexpr float yOffset = -20;
     constexpr float xPrecision = 0.25;
@@ -168,8 +169,8 @@
     }
 
     status = mPublisher->publishMotionEvent(seq, deviceId, source, displayId, action, actionButton,
-            flags, edgeFlags, metaState, buttonState, xOffset, yOffset, xPrecision, yPrecision,
-            downTime, eventTime, pointerCount,
+            flags, edgeFlags, metaState, buttonState, classification,
+            xOffset, yOffset, xPrecision, yPrecision, downTime, eventTime, pointerCount,
             pointerProperties, pointerCoords);
     ASSERT_EQ(OK, status)
             << "publisher publishMotionEvent should return OK";
@@ -195,6 +196,7 @@
     EXPECT_EQ(edgeFlags, motionEvent->getEdgeFlags());
     EXPECT_EQ(metaState, motionEvent->getMetaState());
     EXPECT_EQ(buttonState, motionEvent->getButtonState());
+    EXPECT_EQ(classification, motionEvent->getClassification());
     EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
     EXPECT_EQ(yPrecision, motionEvent->getYPrecision());
     EXPECT_EQ(downTime, motionEvent->getDownTime());
@@ -264,7 +266,8 @@
         pointerCoords[i].clear();
     }
 
-    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            MotionClassification::NONE, 0, 0, 0, 0, 0, 0,
             pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(BAD_VALUE, status)
             << "publisher publishMotionEvent should return BAD_VALUE";
@@ -276,7 +279,8 @@
     PointerProperties pointerProperties[pointerCount];
     PointerCoords pointerCoords[pointerCount];
 
-    status = mPublisher->publishMotionEvent(1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    status = mPublisher->publishMotionEvent(1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            MotionClassification::NONE, 0, 0, 0, 0, 0, 0,
             pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(BAD_VALUE, status)
             << "publisher publishMotionEvent should return BAD_VALUE";
@@ -293,7 +297,8 @@
         pointerCoords[i].clear();
     }
 
-    status = mPublisher->publishMotionEvent(1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    status = mPublisher->publishMotionEvent(1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            MotionClassification::NONE, 0, 0, 0, 0, 0, 0,
             pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(BAD_VALUE, status)
             << "publisher publishMotionEvent should return BAD_VALUE";
diff --git a/libs/input/tests/StructLayout_test.cpp b/libs/input/tests/StructLayout_test.cpp
index 12a6782..62023fb 100644
--- a/libs/input/tests/StructLayout_test.cpp
+++ b/libs/input/tests/StructLayout_test.cpp
@@ -57,7 +57,8 @@
   CHECK_OFFSET(InputMessage::Body::Motion, flags, 36);
   CHECK_OFFSET(InputMessage::Body::Motion, metaState, 40);
   CHECK_OFFSET(InputMessage::Body::Motion, buttonState, 44);
-  CHECK_OFFSET(InputMessage::Body::Motion, edgeFlags, 48);
+  CHECK_OFFSET(InputMessage::Body::Motion, classification, 48);
+  CHECK_OFFSET(InputMessage::Body::Motion, edgeFlags, 52);
   CHECK_OFFSET(InputMessage::Body::Motion, downTime, 56);
   CHECK_OFFSET(InputMessage::Body::Motion, xOffset, 64);
   CHECK_OFFSET(InputMessage::Body::Motion, yOffset, 68);