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app/live/[roomId].tsx

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+import React from 'react';
+import {
+  View,
+  Text,
+  ScrollView,
+  StyleSheet,
+  TouchableOpacity,
+  Image,
+  ActivityIndicator,
+} from 'react-native';
+import { SafeAreaView } from 'react-native-safe-area-context';
+import { useLocalSearchParams, useRouter } from 'expo-router';
+import { Ionicons } from '@expo/vector-icons';
+import { useLiveDetail } from '../../hooks/useLiveDetail';
+import { LivePlayer } from '../../components/LivePlayer';
+import { formatCount } from '../../utils/format';
+import { proxyImageUrl } from '../../utils/imageUrl';
+
+export default function LiveDetailScreen() {
+  const { roomId } = useLocalSearchParams<{ roomId: string }>();
+  const router = useRouter();
+  const id = parseInt(roomId ?? '0', 10);
+  const { room, anchor, stream, loading, error } = useLiveDetail(id);
+
+  const isLive = room?.live_status === 1;
+  const hlsUrl = stream?.hlsUrl ?? '';
+
+  return (
+    <SafeAreaView style={styles.safe}>
+      {/* TopBar */}
+      <View style={styles.topBar}>
+        <TouchableOpacity onPress={() => router.back()} style={styles.backBtn}>
+          <Ionicons name="chevron-back" size={24} color="#212121" />
+        </TouchableOpacity>
+        <Text style={styles.topTitle} numberOfLines={1}>
+          {room?.title ?? '直播间'}
+        </Text>
+      </View>
+
+      {/* Player */}
+      <LivePlayer hlsUrl={hlsUrl} isLive={isLive} />
+
+      {/* Content */}
+      {loading ? (
+        <ActivityIndicator style={styles.loader} color="#00AEEC" />
+      ) : error ? (
+        <Text style={styles.errorText}>{error}</Text>
+      ) : room ? (
+        <ScrollView style={styles.scroll} showsVerticalScrollIndicator={false}>
+          {/* Room title */}
+          <View style={styles.titleSection}>
+            <Text style={styles.title}>{room.title}</Text>
+            <View style={styles.metaRow}>
+              {/* Live status */}
+              {isLive ? (
+                <View style={styles.livePill}>
+                  <View style={styles.liveDot} />
+                  <Text style={styles.livePillText}>直播中</Text>
+                </View>
+              ) : (
+                <View style={[styles.livePill, styles.offlinePill]}>
+                  <Text style={[styles.livePillText, styles.offlinePillText]}>未开播</Text>
+                </View>
+              )}
+              {/* Online count */}
+              <View style={styles.onlineRow}>
+                <Ionicons name="eye-outline" size={13} color="#999" />
+                <Text style={styles.onlineText}>{formatCount(room.online)}</Text>
+              </View>
+            </View>
+            {/* Area tags */}
+            <View style={styles.areaRow}>
+              {room.parent_area_name ? (
+                <Text style={styles.areaTag}>{room.parent_area_name}</Text>
+              ) : null}
+              {room.area_name ? (
+                <Text style={styles.areaTag}>{room.area_name}</Text>
+              ) : null}
+            </View>
+          </View>
+
+          {/* Divider */}
+          <View style={styles.divider} />
+
+          {/* Anchor row */}
+          {anchor && (
+            <View style={styles.anchorRow}>
+              <Image
+                source={{ uri: proxyImageUrl(anchor.face) }}
+                style={styles.avatar}
+              />
+              <Text style={styles.anchorName}>{anchor.uname}</Text>
+              <TouchableOpacity style={styles.followBtn}>
+                <Text style={styles.followTxt}>+ 关注</Text>
+              </TouchableOpacity>
+            </View>
+          )}
+
+          {/* Room description */}
+          {!!room.description && (
+            <View style={styles.descBox}>
+              <Text style={styles.descText}>{room.description}</Text>
+            </View>
+          )}
+        </ScrollView>
+      ) : null}
+    </SafeAreaView>
+  );
+}
+
+const styles = StyleSheet.create({
+  safe: { flex: 1, backgroundColor: '#fff' },
+  topBar: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    paddingHorizontal: 8,
+    paddingVertical: 8,
+    borderBottomWidth: StyleSheet.hairlineWidth,
+    borderBottomColor: '#eee',
+  },
+  backBtn: { padding: 4 },
+  topTitle: {
+    flex: 1,
+    fontSize: 15,
+    fontWeight: '600',
+    marginLeft: 4,
+    color: '#212121',
+  },
+  loader: { marginVertical: 30 },
+  errorText: { textAlign: 'center', color: '#f00', padding: 20 },
+  scroll: { flex: 1 },
+  titleSection: { padding: 14 },
+  title: {
+    fontSize: 16,
+    fontWeight: '600',
+    color: '#212121',
+    lineHeight: 22,
+    marginBottom: 8,
+  },
+  metaRow: { flexDirection: 'row', alignItems: 'center', gap: 10, marginBottom: 8 },
+  livePill: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    backgroundColor: '#fff0f0',
+    paddingHorizontal: 8,
+    paddingVertical: 3,
+    borderRadius: 4,
+    gap: 4,
+  },
+  offlinePill: { backgroundColor: '#f5f5f5' },
+  liveDot: { width: 6, height: 6, borderRadius: 3, backgroundColor: '#f00' },
+  livePillText: { fontSize: 12, color: '#f00', fontWeight: '600' },
+  offlinePillText: { color: '#999' },
+  onlineRow: { flexDirection: 'row', alignItems: 'center', gap: 3 },
+  onlineText: { fontSize: 12, color: '#999' },
+  areaRow: { flexDirection: 'row', gap: 6 },
+  areaTag: {
+    fontSize: 11,
+    color: '#00AEEC',
+    backgroundColor: '#e8f7fd',
+    paddingHorizontal: 8,
+    paddingVertical: 2,
+    borderRadius: 10,
+  },
+  divider: {
+    height: StyleSheet.hairlineWidth,
+    backgroundColor: '#f0f0f0',
+    marginHorizontal: 14,
+  },
+  anchorRow: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    paddingHorizontal: 14,
+    paddingVertical: 12,
+  },
+  avatar: { width: 40, height: 40, borderRadius: 20, marginRight: 10 },
+  anchorName: { flex: 1, fontSize: 14, color: '#212121', fontWeight: '500' },
+  followBtn: {
+    backgroundColor: '#00AEEC',
+    paddingHorizontal: 14,
+    paddingVertical: 5,
+    borderRadius: 14,
+  },
+  followTxt: { color: '#fff', fontSize: 12, fontWeight: '600' },
+  descBox: { padding: 14, paddingTop: 4 },
+  descText: { fontSize: 14, color: '#555', lineHeight: 22 },
+});

app/live/_layout.tsx

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+import { Slot } from 'expo-router';
+
+export default function LiveLayout() {
+  return <Slot />;
+}