From f69422a61c8364b985a77f392e1b0e5233881f2c Mon Sep 17 00:00:00 2001
From: Huang Xin <chrox.huang@gmail.com>
Date: Mon, 1 Sep 2025 12:16:31 +0800
Subject: [PATCH] fix: conditional Back key interception on Android (#1942)

---
 .../src/app/reader/components/Reader.tsx          | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/apps/readest-app/src/app/reader/components/Reader.tsx b/apps/readest-app/src/app/reader/components/Reader.tsx
index bf7b1dc4..d621fe14 100644
--- a/apps/readest-app/src/app/reader/components/Reader.tsx
+++ b/apps/readest-app/src/app/reader/components/Reader.tsx
@@ -51,12 +51,6 @@ const Reader: React.FC<{ ids?: string }> = ({ ids }) => {
       setTimeout(getSysFontsList, 3000);
     }
     initDayjs(getLocale());
-
-    acquireBackKeyInterception();
-    return () => {
-      releaseBackKeyInterception();
-    };
-    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
   const handleKeyDown = (event: CustomEvent) => {
@@ -74,6 +68,15 @@ const Reader: React.FC<{ ids?: string }> = ({ ids }) => {
     return false;
   };
 
+  useEffect(() => {
+    if (!appService?.isAndroidApp) return;
+    acquireBackKeyInterception();
+    return () => {
+      releaseBackKeyInterception();
+    };
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [appService?.isAndroidApp]);
+
   useEffect(() => {
     if (!appService?.isAndroidApp) return;
     eventDispatcher.onSync('native-key-down', handleKeyDown);