From 60b63cd9fbc3fe723999e50b3ad9b4f9e87701d6 Mon Sep 17 00:00:00 2001
From: Rocka <i@rocka.me>
Date: Thu, 31 Jul 2025 00:49:29 +0800
Subject: [PATCH] Fix CandidatesView OnGlobalLayoutListener memory leak

ref: https://stackoverflow.com/questions/36788740/can-a-not-removed-viewtreeobserver-listener-cause-memory-leaks/63713958#63713958
---
 .../java/org/fcitx/fcitx5/android/input/CandidatesView.kt     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/org/fcitx/fcitx5/android/input/CandidatesView.kt b/app/src/main/java/org/fcitx/fcitx5/android/input/CandidatesView.kt
index c03eb61f..3e8c4e34 100644
--- a/app/src/main/java/org/fcitx/fcitx5/android/input/CandidatesView.kt
+++ b/app/src/main/java/org/fcitx/fcitx5/android/input/CandidatesView.kt
@@ -225,13 +225,13 @@ class CandidatesView(
 
     override fun onAttachedToWindow() {
         super.onAttachedToWindow()
-        candidatesUi.root.viewTreeObserver.addOnGlobalLayoutListener(layoutListener)
+        viewTreeObserver.addOnGlobalLayoutListener(layoutListener)
         viewTreeObserver.addOnPreDrawListener(preDrawListener)
     }
 
     override fun onDetachedFromWindow() {
         viewTreeObserver.removeOnPreDrawListener(preDrawListener)
-        candidatesUi.root.viewTreeObserver.removeOnGlobalLayoutListener(layoutListener)
+        viewTreeObserver.removeOnGlobalLayoutListener(layoutListener)
         touchEventReceiverWindow.dismiss()
         super.onDetachedFromWindow()
     }