2 files changed, 25 insertions, 1 deletions
diff --git a/core/java/android/hardware/Sensor.java b/core/java/android/hardware/Sensor.java
index cf6a779..fa5e9d2 100644
--- a/core/java/android/hardware/Sensor.java
+++ b/core/java/android/hardware/Sensor.java
@@ -18,6 +18,7 @@
 package android.hardware;
 
 import android.os.Build;
+import android.annotation.SystemApi;
 
 /**
  * Class representing a sensor. Use {@link SensorManager#getSensorList} to get
@@ -511,6 +512,27 @@ public final class Sensor {
      */
     public static final String STRING_TYPE_PICK_UP_GESTURE = "android.sensor.pick_up_gesture";
 
+     /**
+     * A constant describing a wrist tilt gesture sensor.
+     *
+     * A sensor of this type triggers when the device face is tilted towards the user.
+     * The only allowed return value is 1.0.
+     * This sensor remains active until disabled.
+     *
+     * @hide This sensor is expected to only be used by the system ui
+     */
+    @SystemApi
+    public static final int TYPE_WRIST_TILT_GESTURE = 26;
+
+    /**
+     * A constant string describing a wrist tilt gesture sensor.
+     *
+     * @hide This sensor is expected to only be used by the system ui
+     * @see #TYPE_WRIST_TILT_GESTURE
+     */
+    @SystemApi
+    public static final String STRING_TYPE_WRIST_TILT_GESTURE = "android.sensor.wrist_tilt_gesture";
+
     /**
      * A constant describing all sensor types.
      */
@@ -591,6 +613,7 @@ public final class Sensor {
             1, // SENSOR_TYPE_WAKE_GESTURE
             1, // SENSOR_TYPE_GLANCE_GESTURE
             1, // SENSOR_TYPE_PICK_UP_GESTURE
+            1, // SENSOR_TYPE_WRIST_TILT_GESTURE
     };
 
     /**
diff --git a/core/java/android/hardware/SensorManager.java b/core/java/android/hardware/SensorManager.java
index e4e5a8c..34b895b 100644
--- a/core/java/android/hardware/SensorManager.java
+++ b/core/java/android/hardware/SensorManager.java
@@ -451,7 +451,8 @@ public abstract class SensorManager {
         // non_wake-up version.
         if (type == Sensor.TYPE_PROXIMITY || type == Sensor.TYPE_SIGNIFICANT_MOTION ||
                 type == Sensor.TYPE_TILT_DETECTOR || type == Sensor.TYPE_WAKE_GESTURE ||
-                type == Sensor.TYPE_GLANCE_GESTURE || type == Sensor.TYPE_PICK_UP_GESTURE) {
+                type == Sensor.TYPE_GLANCE_GESTURE || type == Sensor.TYPE_PICK_UP_GESTURE ||
+                type == Sensor.TYPE_WRIST_TILT_GESTURE) {
             wakeUpSensor = true;
         }