From 1c3316236810f09f4dda42514a8858e16993f11d Mon Sep 17 00:00:00 2001
From: Dave Allie <dave@daveallie.com>
Date: Sun, 28 Dec 2025 21:50:45 +1100
Subject: [PATCH] Fix rendering issue with entering keyboard from wifi screen

---
 src/activities/network/WifiSelectionActivity.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/activities/network/WifiSelectionActivity.cpp b/src/activities/network/WifiSelectionActivity.cpp
index 57b7af5..5bf25f1 100644
--- a/src/activities/network/WifiSelectionActivity.cpp
+++ b/src/activities/network/WifiSelectionActivity.cpp
@@ -187,6 +187,8 @@ void WifiSelectionActivity::selectNetwork(const int index) {
   if (selectedRequiresPassword) {
     // Show password entry
     state = WifiSelectionState::PASSWORD_ENTRY;
+    // Don't allow screen updates while changing activity
+    xSemaphoreTake(renderingMutex, portMAX_DELAY);
     enterNewActivity(new KeyboardEntryActivity(
         renderer, inputManager, "Enter WiFi Password",
         "",     // No initial text
@@ -203,6 +205,7 @@ void WifiSelectionActivity::selectNetwork(const int index) {
           exitActivity();
         }));
     updateRequired = true;
+    xSemaphoreGive(renderingMutex);
   } else {
     // Connect directly for open networks
     attemptConnection();