From 46eb2d09b7efa2a5e64b6125d2aaee393f45a7d1 Mon Sep 17 00:00:00 2001
From: Jeff Chang <chengjeff@google.com>
Date: Wed, 10 Mar 2021 17:03:12 +0800
Subject: [PATCH] Update saving persistent state documentation

Updated the code snippet for saving persistent state to make the code
workable.
 - Update usage for getSharedPreferences.
 - Fix NPE when access mPrefs

Bug: 181924060
Test: Build
Change-Id: I695ad13282d5d9adb4a79108dfd1b6aae7b5a167
---
 core/java/android/app/Activity.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index f5f0b422a69d1..f8950c69f74cb 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -642,7 +642,7 @@ import java.util.function.Consumer;
  *     protected void onCreate(Bundle savedInstanceState) {
  *         super.onCreate(savedInstanceState);
  *
- *         SharedPreferences mPrefs = getSharedPreferences();
+ *         mPrefs = getSharedPreferences(getLocalClassName(), MODE_PRIVATE);
  *         mCurViewMode = mPrefs.getInt("view_mode", DAY_VIEW_MODE);
  *     }
  *