From 9ceb3b0d9401e0c6cb30a4bc7af248c958637652 Mon Sep 17 00:00:00 2001
From: Developer <dev@bilibili-app.local>
Date: Tue, 10 Mar 2026 21:07:40 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=8A=A0=E8=BD=BD=E6=9B=B4=E5=A4=9A?=
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ListFooterComponent 在 loading 结束时从 ActivityIndicator 变为 null，
content 高度骤降触发虚假 scroll event，diffClamp 误判为上滑把导航栏顶出。
改为 footer 保持固定高度 48px，仅切换 spinner 的显隐，消除高度变化。
---
 app/index.tsx | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/app/index.tsx b/app/index.tsx
index c41bd13..566ddeb 100644
--- a/app/index.tsx
+++ b/app/index.tsx
@@ -58,7 +58,11 @@ export default function HomeScreen() {
         refreshing={refreshing}
         onEndReached={() => load()}
         onEndReachedThreshold={0.5}
-        ListFooterComponent={loading ? <ActivityIndicator style={styles.footer} color="#00AEEC" /> : null}
+        ListFooterComponent={
+          <View style={styles.footer}>
+            {loading && <ActivityIndicator color="#00AEEC" />}
+          </View>
+        }
         onScroll={Animated.event(
           [{ nativeEvent: { contentOffset: { y: scrollY } } }],
           { useNativeDriver: true }
@@ -152,8 +156,8 @@ const styles = StyleSheet.create({
     backgroundColor: '#00AEEC',
     borderRadius: 1,
   },
-  row: { paddingHorizontal: 8 },
+  row: { paddingHorizontal: 8, justifyContent:'center' },
   leftCol: { marginLeft: 4, marginRight: 2 },
   rightCol: { marginLeft: 2, marginRight: 4 },
-  footer: { marginVertical: 16 },
+  footer: { height: 48, alignItems: 'center', justifyContent: 'center' },
 });