From 2a10196bc5dd13eceac4da1cd27f7c9117b4647d Mon Sep 17 00:00:00 2001
From: Julian Winkler <julian.winkler1@web.de>
Date: Sat, 15 Jun 2024 00:01:51 +0200
Subject: [PATCH] Context: cache SharedPreferences

OsmAnd renderer reads SharedPreferences for every frame. Use cached
objects instead of reading it from disk every time
---
 src/api-impl/android/content/Context.java | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/api-impl/android/content/Context.java b/src/api-impl/android/content/Context.java
index e62a4bb6..28704792 100644
--- a/src/api-impl/android/content/Context.java
+++ b/src/api-impl/android/content/Context.java
@@ -385,10 +385,18 @@ public class Context extends Object {
 		return makeFilename(getPreferencesDir(), name + ".xml");
 	}
 
+	private static Map<String, SharedPreferences> sharedPrefs = new HashMap<String, SharedPreferences>();
+
 	public SharedPreferences getSharedPreferences(String name, int mode) {
 		Slog.v(TAG, "\n\n...> getSharedPreferences(" + name + ")\n\n");
-		File prefsFile = getSharedPrefsFile(name);
-		return new SharedPreferencesImpl(prefsFile, mode);
+		if (sharedPrefs.containsKey(name)) {
+			return sharedPrefs.get(name);
+		} else {
+			File prefsFile = getSharedPrefsFile(name);
+			SharedPreferences prefs = new SharedPreferencesImpl(prefsFile, mode);
+			sharedPrefs.put(name, prefs);
+			return prefs;
+		}
 	}
 
 	public ClassLoader getClassLoader() {