完善多语言支持

app/profile.tsx

@@ -17,7 +17,7 @@ import { ThemedText } from "@/components/themed-text";
 import { IconSymbol } from "@/components/ui/icon-symbol";
 import { useAppState } from "@/context/AppStateContext";
 import { useTheme } from "@/context/ThemeContext";
-import { changeLanguage } from "@/i18n";
+import { changeLanguage, SUPPORTED_LANGUAGES } from "@/i18n";
 import { appleSignIn, fetchUserProfile, logout } from "@/lib/api";
 import { storage } from "@/lib/storage";
 import type { UserProfile } from "@/types/api";
@@ -45,6 +45,7 @@ export default function ProfileScreen() {
   const [user, setUser] = React.useState<UserProfile | null>(null);
   const [loginModalVisible, setLoginModalVisible] = React.useState(false);
   const [oddsModalVisible, setOddsModalVisible] = React.useState(false);
+  const [languageModalVisible, setLanguageModalVisible] = React.useState(false);
 
   const currentLanguage = i18n.language;
 
@@ -75,9 +76,16 @@ export default function ProfileScreen() {
       selectedBookmakers: next,
     });
   };
-  const toggleLanguage = () => {
-    const nextLang = currentLanguage.startsWith("en") ? "zh" : "en";
-    changeLanguage(nextLang);
+  const selectLanguage = (langCode: string) => {
+    changeLanguage(langCode);
+    setLanguageModalVisible(false);
+  };
+
+  const getCurrentLanguageName = () => {
+    const lang = SUPPORTED_LANGUAGES.find((l) =>
+      currentLanguage.startsWith(l.code)
+    );
+    return lang?.name || "English";
   };
 
   const handleAppleSignIn = async () => {
@@ -108,13 +116,13 @@ export default function ProfileScreen() {
         },
         user:
           credential.fullName &&
-          (credential.fullName.givenName || credential.fullName.familyName)
+            (credential.fullName.givenName || credential.fullName.familyName)
             ? {
-                name: {
-                  firstName: credential.fullName.givenName || undefined,
-                  lastName: credential.fullName.familyName || undefined,
-                },
-              }
+              name: {
+                firstName: credential.fullName.givenName || undefined,
+                lastName: credential.fullName.familyName || undefined,
+              },
+            }
             : undefined,
       };
 
@@ -192,6 +200,7 @@ export default function ProfileScreen() {
         options={{
           title: t("profile.title"),
           headerShown: true,
+          headerBackTitle: t("settings.back"),
           // Ensure header matches theme to avoid white flash
           headerStyle: {
             backgroundColor: isDark ? "#000" : "#f2f2f7",
@@ -231,9 +240,9 @@ export default function ProfileScreen() {
                   <ThemedText type="title">
                     {user?.nickname || t("profile.name")}
                   </ThemedText>
-                  <ThemedText style={{ color: subTextColor }}>
+                  {/* <ThemedText style={{ color: subTextColor }}>
                     {user?.appleId || ""}
-                  </ThemedText>
+                  </ThemedText> */}
                 </View>
               </View>
               <TouchableOpacity
@@ -308,24 +317,30 @@ export default function ProfileScreen() {
               },
             ]}
           >
-            <View style={styles.settingLabel}>
-              <IconSymbol
-                name="globe"
-                size={20}
-                color={iconColor}
-                style={{ marginRight: 10 }}
-              />
-              <ThemedText>{t("settings.language")}</ThemedText>
-            </View>
-            <View style={styles.settingControl}>
-              <TouchableOpacity onPress={toggleLanguage} style={styles.button}>
-                <ThemedText>
-                  {currentLanguage.startsWith("zh")
-                    ? t("settings.chinese")
-                    : t("settings.english")}
+            <TouchableOpacity
+              style={styles.settingItemContent}
+              onPress={() => setLanguageModalVisible(true)}
+            >
+              <View style={styles.settingLabel}>
+                <IconSymbol
+                  name="globe"
+                  size={20}
+                  color={iconColor}
+                  style={{ marginRight: 10 }}
+                />
+                <ThemedText>{t("settings.language")}</ThemedText>
+              </View>
+              <View style={{ flexDirection: "row", alignItems: "center" }}>
+                <ThemedText style={{ color: subTextColor, marginRight: 4 }}>
+                  {getCurrentLanguageName()}
                 </ThemedText>
-              </TouchableOpacity>
-            </View>
+                <IconSymbol
+                  name="chevron-forward"
+                  size={16}
+                  color={subTextColor}
+                />
+              </View>
+            </TouchableOpacity>
           </View>
 
           <View
@@ -543,7 +558,7 @@ export default function ProfileScreen() {
                 onPress={handleAppleSignIn}
               />
             )}
-            <TouchableOpacity style={styles.googleButton} onPress={() => {}}>
+            <TouchableOpacity style={styles.googleButton} onPress={() => { }}>
               <ThemedText>{t("settings.google_login")}</ThemedText>
             </TouchableOpacity>
             <TouchableOpacity
@@ -618,6 +633,68 @@ export default function ProfileScreen() {
           </View>
         </TouchableOpacity>
       </Modal>
+
+      <Modal
+        visible={languageModalVisible}
+        transparent
+        animationType="slide"
+        onRequestClose={() => setLanguageModalVisible(false)}
+      >
+        <TouchableOpacity
+          style={styles.modalMask}
+          activeOpacity={1}
+          onPress={() => setLanguageModalVisible(false)}
+        >
+          <View
+            style={[
+              styles.modalCard,
+              {
+                backgroundColor: isDark ? "#1c1c1e" : "#fff",
+                maxHeight: "70%",
+              },
+            ]}
+          >
+            <ThemedText style={styles.modalTitle}>
+              {t("settings.language")}
+            </ThemedText>
+            <ScrollView style={{ marginVertical: 10 }}>
+              {SUPPORTED_LANGUAGES.map((lang) => {
+                const isSelected = currentLanguage.startsWith(lang.code);
+                return (
+                  <TouchableOpacity
+                    key={lang.code}
+                    style={[
+                      styles.bookmakerItem,
+                      { borderColor: isDark ? "#38383a" : "#eee" },
+                    ]}
+                    onPress={() => selectLanguage(lang.code)}
+                  >
+                    <ThemedText
+                      style={{
+                        color: isSelected ? "#FF9500" : textColor,
+                        fontWeight: isSelected ? "bold" : "normal",
+                      }}
+                    >
+                      {lang.name}
+                    </ThemedText>
+                    {isSelected && (
+                      <IconSymbol name="checkmark" size={18} color="#FF9500" />
+                    )}
+                  </TouchableOpacity>
+                );
+              })}
+            </ScrollView>
+            <TouchableOpacity
+              style={styles.modalCancel}
+              onPress={() => setLanguageModalVisible(false)}
+            >
+              <ThemedText type="defaultSemiBold">
+                {t("settings.cancel")}
+              </ThemedText>
+            </TouchableOpacity>
+          </View>
+        </TouchableOpacity>
+      </Modal>
     </>
   );
 }