From 5f3129e4d08d10ff7508f5fb5baabb0b9102a483 Mon Sep 17 00:00:00 2001
From: Jin Seok Park <jinpark@google.com>
Date: Mon, 30 Aug 2021 23:48:44 +0900
Subject: [PATCH] Improve doc for saveAttributes

Bug: 198143065
Test: N/A
Change-Id: I7e85dd33ecaca14e6ca279dacbaf6e8d419ea01e
---
 media/java/android/media/ExifInterface.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/media/java/android/media/ExifInterface.java b/media/java/android/media/ExifInterface.java
index 115fb741a543e..5891a18c11861 100644
--- a/media/java/android/media/ExifInterface.java
+++ b/media/java/android/media/ExifInterface.java
@@ -577,7 +577,7 @@ public class ExifInterface {
     // 3.1. PNG file signature
     private static final byte[] PNG_SIGNATURE = new byte[] {(byte) 0x89, (byte) 0x50, (byte) 0x4e,
             (byte) 0x47, (byte) 0x0d, (byte) 0x0a, (byte) 0x1a, (byte) 0x0a};
-    // See PNG (Portable Network Graphics) Specification, Version 1.2,
+    // See "Extensions to the PNG 1.2 Specification, Version 1.5.0",
     // 3.7. eXIf Exchangeable Image File (Exif) Profile
     private static final byte[] PNG_CHUNK_TYPE_EXIF = new byte[]{(byte) 0x65, (byte) 0x58,
             (byte) 0x49, (byte) 0x66};
@@ -2085,7 +2085,9 @@ public class ExifInterface {
      * <p>
      * For WebP format, the Exif data will be stored as an Extended File Format, and it may not be
      * supported for older readers.
-     * </p>
+     * <p>
+     * For PNG format, the Exif data will be stored as an "eXIf" chunk as per
+     * "Extensions to the PNG 1.2 Specification, Version 1.5.0".
      */
     public void saveAttributes() throws IOException {
         if (!isSupportedFormatForSavingAttributes()) {