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EdgeAdmin/web/views/@default/httpdns/apps/docs/android.md

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+# Android SDK
+
+## 初始化
+
+```java
+new InitConfig.Builder()
+    .setContext(context)
+    .setPrimaryServiceHost("httpdns-a.example.com")
+    .setBackupServiceHost("httpdns-b.example.com")
+    .setServicePort(443)
+    .setSecretKey("your-sign-secret")
+    .setEnableHttps(true)
+    .buildFor("app1f1ndpo9");
+```
+
+## 解析
+
+```java
+HTTPDNSResult result = httpDnsService.getHttpDnsResultForHostSyncNonBlocking(
+    "api.business.com",
+    RequestIpType.auto,
+    null,
+    null
+);
+```
+
+## 官方业务适配器
+
+```java
+HttpDnsHttpAdapter adapter = HttpDns.buildHttpClientAdapter(httpDnsService);
+HttpDnsAdapterResponse resp = adapter.execute(
+    new HttpDnsAdapterRequest("GET", "https://api.business.com/v1/ping")
+);
+```
+
+固定策略：IP 直连 + 空 SNI + Host=真实域名，不回退到带 SNI。

EdgeAdmin/web/views/@default/httpdns/apps/docs/flutter.md

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+# Flutter SDK
+
+## 初始化
+
+```dart
+await AliyunHttpdns.init(
+  appId: 'app1f1ndpo9',
+  primaryServiceHost: 'httpdns-a.example.com',
+  backupServiceHost: 'httpdns-b.example.com',
+  servicePort: 443,
+  secretKey: 'your-sign-secret',
+);
+await AliyunHttpdns.build();
+```
+
+## 解析
+
+```dart
+final result = await AliyunHttpdns.resolveHostSyncNonBlocking(
+  'api.business.com',
+  ipType: 'both',
+);
+```
+
+## 官方业务适配器
+
+```dart
+final adapter = AliyunHttpdns.createHttpAdapter();
+final resp = await adapter.request(
+  Uri.parse('https://api.business.com/v1/ping'),
+  method: 'GET',
+);
+```
+
+固定策略：IP 直连 + 空 SNI + Host=真实域名，不回退到带 SNI。

EdgeAdmin/web/views/@default/httpdns/apps/docs/ios.md

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+# iOS SDK
+
+## 初始化
+
+```objc
+HttpdnsEdgeService *service = [[HttpdnsEdgeService alloc]
+    initWithAppId:@"app1f1ndpo9"
+primaryServiceHost:@"httpdns-a.example.com"
+ backupServiceHost:@"httpdns-b.example.com"
+        servicePort:443
+         signSecret:@"your-sign-secret"];
+```
+
+## 解析
+
+```objc
+[service resolveHost:@"api.business.com" queryType:@"A" completion:^(HttpdnsEdgeResolveResult * _Nullable result, NSError * _Nullable error) {
+    // result.ipv4s / result.ipv6s
+}];
+```
+
+## 官方业务适配器
+
+```objc
+NSURL *url = [NSURL URLWithString:@"https://api.business.com/v1/ping"];
+[service requestURL:url method:@"GET" headers:nil body:nil completion:^(NSData * _Nullable data, NSHTTPURLResponse * _Nullable response, NSError * _Nullable error) {
+    // handle
+}];
+```
+
+固定策略：IP 直连 + 空 SNI + Host=真实域名，不回退到带 SNI。