From d2c1159c5ca7a7c0c0403a31ad2f3a556d1d66ad Mon Sep 17 00:00:00 2001
From: Anthony Stange <stange@google.com>
Date: Mon, 16 Mar 2020 17:31:03 -0400
Subject: [PATCH] Clarify timestamp definition for SensorEvent

Bug: 149914062
Test: presubmits
Change-Id: Ib686100496ce80febba6258bbab57f95ddb3386c
---
 core/java/android/hardware/SensorEvent.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/java/android/hardware/SensorEvent.java b/core/java/android/hardware/SensorEvent.java
index 5fbf0da8b5a5c..9906331be4978 100644
--- a/core/java/android/hardware/SensorEvent.java
+++ b/core/java/android/hardware/SensorEvent.java
@@ -657,7 +657,9 @@ public class SensorEvent {
     public int accuracy;
 
     /**
-     * The time in nanosecond at which the event happened
+     * The time in nanoseconds at which the event happened. For a given sensor,
+     * each new sensor event should be monotonically increasing using the same
+     * time base as {@link android.os.SystemClock#elapsedRealtimeNanos()}.
      */
     public long timestamp;