chore: remove temporary H5 cache diagnostics

android/app/src/main/kotlin/io/openim/flutter/openim/MainActivity.kt

@@ -11,34 +11,22 @@ import android.net.Uri
 import android.os.Build
 import android.util.Base64
 import android.util.Log
-import android.webkit.ServiceWorkerController
-import android.webkit.WebSettings
-import android.webkit.WebStorage
-import android.webkit.WebView
 import androidx.core.content.FileProvider
 import io.flutter.embedding.android.FlutterActivity
 import org.conscrypt.Conscrypt
 import java.security.Security
 import io.flutter.embedding.engine.FlutterEngine
 import io.flutter.plugin.common.MethodChannel
-import io.flutter.plugins.webviewflutter.WebViewFlutterAndroidExternalApi
 import java.io.ByteArrayOutputStream
 import java.io.File
 
 class MainActivity : FlutterActivity() {
     private val CHANNEL = "io.openim.flutter.openim/apk_info"
     private val SHELL_BRANDING_CHANNEL = "io.openim.flutter.im_webview_app/shell_branding"
-    private val WEBVIEW_CACHE_CHANNEL = "io.openim.flutter.im_webview_app/webview_cache"
     private val TAG = "MainActivity"
     private val MAX_BRANDING_ICON_SIZE = 192
-    private val WEBVIEW_DATA_DIRECTORY_SUFFIX = "h5_shell_fresh_profile_v5"
-    private val WEBVIEW_STORAGE_RESET_PREFS = "h5_shell_webview_storage"
-    private val WEBVIEW_STORAGE_RESET_KEY = "reset_version"
-    private val WEBVIEW_STORAGE_RESET_VERSION = 5
 
     override fun onCreate(savedInstanceState: android.os.Bundle?) {
-        configureWebViewDataDirectory()
-        clearWebViewPersistentStorageOnce()
         // 华为/荣耀/OPPO 等国产设备：在任意网络请求之前同步安装 Conscrypt，修复 SSL 握手失败（无 GMS 时系统 SSL 实现不完整）
         try {
             Security.insertProviderAt(Conscrypt.newProvider(), 1)
@@ -119,109 +107,6 @@ class MainActivity : FlutterActivity() {
                 }
             }
         }
-        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, WEBVIEW_CACHE_CHANNEL).setMethodCallHandler { call, result ->
-            when (call.method) {
-                "configureNoCache" -> {
-                    val webViewId = readLongArgument(call.argument<Any>("webViewId"))
-                    if (webViewId == null) {
-                        result.error("INVALID_ARGUMENT", "webViewId 不能为空", null)
-                        return@setMethodCallHandler
-                    }
-
-                    try {
-                        result.success(configureWebViewNoCache(flutterEngine, webViewId))
-                    } catch (e: Exception) {
-                        result.error("ERROR", "无法配置 WebView 缓存策略: ${e.message}", null)
-                    }
-                }
-                else -> {
-                    result.notImplemented()
-                }
-            }
-        }
-    }
-
-    private fun configureWebViewDataDirectory() {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P) {
-            return
-        }
-
-        try {
-            WebView.setDataDirectorySuffix(WEBVIEW_DATA_DIRECTORY_SUFFIX)
-        } catch (e: IllegalStateException) {
-            Log.w(TAG, "WebView data directory already initialized: ${e.message}")
-        } catch (e: Exception) {
-            Log.w(TAG, "WebView data directory configure failed: ${e.message}")
-        }
-    }
-
-    private fun clearWebViewPersistentStorageOnce() {
-        val prefs = getSharedPreferences(WEBVIEW_STORAGE_RESET_PREFS, MODE_PRIVATE)
-        if (prefs.getInt(WEBVIEW_STORAGE_RESET_KEY, 0) >= WEBVIEW_STORAGE_RESET_VERSION) {
-            return
-        }
-
-        try {
-            WebStorage.getInstance().deleteAllData()
-            Log.d(TAG, "WebView persistent storage cleared")
-        } catch (e: Exception) {
-            Log.w(TAG, "WebView persistent storage clear failed: ${e.message}")
-        }
-
-        clearKnownWebViewCacheDirectories()
-        prefs.edit().putInt(WEBVIEW_STORAGE_RESET_KEY, WEBVIEW_STORAGE_RESET_VERSION).apply()
-    }
-
-    private fun clearKnownWebViewCacheDirectories() {
-        val cacheDirectoryNames = listOf(
-            "WebView",
-            "webview",
-            "org.chromium.android_webview",
-            "com.android.webview"
-        )
-
-        for (name in cacheDirectoryNames) {
-            val directory = File(cacheDir, name)
-            if (!directory.exists()) {
-                continue
-            }
-            try {
-                if (!directory.deleteRecursively()) {
-                    Log.w(TAG, "WebView cache directory delete returned false: ${directory.absolutePath}")
-                }
-            } catch (e: Exception) {
-                Log.w(TAG, "WebView cache directory delete failed: ${directory.absolutePath}, ${e.message}")
-            }
-        }
-    }
-
-    private fun readLongArgument(value: Any?): Long? {
-        return when (value) {
-            is Int -> value.toLong()
-            is Long -> value
-            is Number -> value.toLong()
-            else -> null
-        }
-    }
-
-    private fun configureWebViewNoCache(flutterEngine: FlutterEngine, webViewId: Long): Boolean {
-        val webView = WebViewFlutterAndroidExternalApi.getWebView(flutterEngine, webViewId) ?: return false
-
-        webView.settings.cacheMode = WebSettings.LOAD_NO_CACHE
-        webView.clearCache(true)
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            try {
-                ServiceWorkerController
-                    .getInstance()
-                    .serviceWorkerWebSettings
-                    .cacheMode = WebSettings.LOAD_NO_CACHE
-            } catch (e: Exception) {
-                Log.w(TAG, "ServiceWorker cache mode configure failed: ${e.message}")
-            }
-        }
-
-        return true
     }
 
     private fun getCurrentAppName(): String {

lib/config/app_config.dart

@@ -8,7 +8,7 @@ class AppConfig {
   static const String appLogo = '';
   static const String canonicalWebHost = 'h5-im.imharry.work';
   static const Set<String> legacyWebHosts = {
-    'h5-im.imharry.work',
+    'h5-test.imharry.work',
   };
 
   static final Map<Environment, List<String>> _environmentHosts = {
@@ -25,10 +25,7 @@ class AppConfig {
     final host =
         environmentHosts.isNotEmpty ? environmentHosts.first : canonicalWebHost;
     final uri = Uri.parse(_normalizeHomeUrl(host));
-    final queryParameters = Map<String, String>.from(uri.queryParameters)
+    return uri.toString();
-      ..['_h5_t'] = DateTime.now().millisecondsSinceEpoch.toString();
-
-    return uri.replace(queryParameters: queryParameters).toString();
   }
 
   static String withFreshShellParams(String url) {
@@ -52,14 +49,10 @@ class AppConfig {
       return uri.toString();
     }
 
-    final queryParameters = Map<String, String>.from(uri.queryParameters)
-      ..['_h5_t'] = DateTime.now().millisecondsSinceEpoch.toString();
-
     return uri
         .replace(
           scheme: 'https',
           host: canonicalWebHost,
-          queryParameters: queryParameters,
         )
         .toString();
   }

lib/main.dart

@@ -11,48 +11,8 @@ import 'config/app_config.dart';
 const _shellBackground = Color(0xFFF8FBFF);
 const _shellAccent = Color(0xFF0089FF);
 const _shellSubText = Color(0xFF8E9AB0);
-const _showH5DebugOverlay = bool.fromEnvironment(
-  'H5_SHELL_DEBUG',
-  defaultValue: true,
-);
 const _shellBrandingChannel =
     MethodChannel('io.openim.flutter.im_webview_app/shell_branding');
-const _h5MountedCheckScript = r'''
-(() => document.body?.classList.contains('app-mounted') === true)();
-''';
-const _h5SnapshotScript = r'''
-(() => {
-  const shrinkAssetUrl = (value) => {
-    try {
-      const absolute = new URL(value, window.location.href).href;
-      const match = absolute.match(/\/assets\/[^?#]+/);
-      return match ? match[0] : absolute;
-    } catch (_) {
-      return value || '';
-    }
-  };
-
-  const scripts = Array.from(document.scripts)
-    .map((script) => script.src)
-    .filter(Boolean)
-    .map(shrinkAssetUrl)
-    .filter((src) => src.includes('/assets/'));
-  const bodyText = (document.body?.innerText || '')
-    .replace(/\s+/g, ' ')
-    .slice(0, 180);
-  let shellBrand = '';
-  try {
-    shellBrand = window.sessionStorage.getItem('OPENIM_FLUTTER_SHELL_BRAND') || '';
-  } catch (_) {}
-
-  return JSON.stringify({
-    href: window.location.href,
-    scripts,
-    bodyText,
-    shellBrand,
-  });
-})();
-''';
 
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -137,7 +97,6 @@ class _H5ShellPageState extends State<H5ShellPage> {
 
   int _progress = 0;
   String? _loadError;
-  String _h5DebugText = 'H5 loading...';
   bool _showShellCover = true;
   bool _shellBrandingLoaded = false;
   late ShellBranding _shellBranding;
@@ -202,9 +161,7 @@ class _H5ShellPageState extends State<H5ShellPage> {
 
   Future<void> _handlePageFinished() async {
     await _loadShellBrandingIfNeeded();
-    await _waitForH5Mounted();
     await _syncShellBranding();
-    await _updateH5DebugSnapshot();
     if (mounted) {
       setState(() {
         _progress = 100;
@@ -247,58 +204,6 @@ class _H5ShellPageState extends State<H5ShellPage> {
     return _runJavaScriptSafely(script);
   }
 
-  Future<void> _waitForH5Mounted() async {
-    for (var index = 0; index < 20; index += 1) {
-      try {
-        final result = await _controller.runJavaScriptReturningResult(
-          _h5MountedCheckScript,
-        );
-        if (result == true || result.toString() == 'true') {
-          return;
-        }
-      } catch (_) {}
-      await Future<void>.delayed(const Duration(milliseconds: 100));
-    }
-  }
-
-  Future<void> _updateH5DebugSnapshot() async {
-    if (!_showH5DebugOverlay) {
-      return;
-    }
-
-    try {
-      final result = await _controller.runJavaScriptReturningResult(
-        _h5SnapshotScript,
-      );
-      final snapshot = _decodeJavaScriptStringResult(result);
-      debugPrint('[H5Shell] snapshot: $snapshot');
-      if (mounted) {
-        setState(() => _h5DebugText = snapshot);
-      }
-    } catch (error) {
-      debugPrint('[H5Shell] snapshot failed: $error');
-      if (mounted) {
-        setState(() => _h5DebugText = 'H5 snapshot failed: $error');
-      }
-    }
-  }
-
-  String _decodeJavaScriptStringResult(Object? result) {
-    if (result == null) {
-      return '';
-    }
-    if (result is String) {
-      try {
-        final decoded = jsonDecode(result);
-        if (decoded is String) {
-          return decoded;
-        }
-      } catch (_) {}
-      return result;
-    }
-    return result.toString();
-  }
-
   Future<void> _loadHome() async {
     await _loadUrl(_freshHomeUrl());
   }
@@ -314,18 +219,9 @@ class _H5ShellPageState extends State<H5ShellPage> {
       });
     }
 
-    await _clearWebViewHttpCache();
     await _controller.loadRequest(Uri.parse(targetUrl));
   }
 
-  Future<void> _clearWebViewHttpCache() async {
-    try {
-      await _controller.clearCache();
-    } catch (_) {
-      // Some WebView implementations can reject cache operations before first use.
-    }
-  }
-
   Future<NavigationDecision> _handleNavigationRequest(
     NavigationRequest request,
   ) async {
@@ -392,15 +288,6 @@ class _H5ShellPageState extends State<H5ShellPage> {
                   message: _loadError!,
                   onRetry: () => unawaited(_loadHome()),
                 ),
-              if (_showH5DebugOverlay)
-                Positioned(
-                  left: 8,
-                  right: 8,
-                  bottom: 10,
-                  child: IgnorePointer(
-                    child: _H5DebugOverlay(text: _h5DebugText),
-                  ),
-                ),
             ],
           ),
         ),
@@ -450,36 +337,6 @@ class _ErrorPanel extends StatelessWidget {
   }
 }
 
-class _H5DebugOverlay extends StatelessWidget {
-  const _H5DebugOverlay({required this.text});
-
-  final String text;
-
-  @override
-  Widget build(BuildContext context) {
-    return DecoratedBox(
-      decoration: BoxDecoration(
-        color: Colors.black.withValues(alpha: 0.72),
-        borderRadius: BorderRadius.circular(6),
-      ),
-      child: Padding(
-        padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
-        child: Text(
-          text,
-          maxLines: 5,
-          overflow: TextOverflow.ellipsis,
-          style: const TextStyle(
-            color: Colors.white,
-            fontSize: 10,
-            height: 1.25,
-            letterSpacing: 0,
-          ),
-        ),
-      ),
-    );
-  }
-}
-
 class _ShellFallback extends StatelessWidget {
   const _ShellFallback();
 

test/widget_test.dart

@@ -51,7 +51,7 @@ void main() {
   test('rewrites legacy H5 host main-frame URLs to the canonical host', () {
     final uri = Uri.parse(
       AppConfig.canonicalizeMainFrameUrl(
-        'https://h5-im.imharry.work/login?from=runtime'
+        'https://h5-test.imharry.work/login?from=runtime'
         '&shell_app_name=Old#shell_app_logo=old',
       ),
     );
@@ -60,7 +60,6 @@ void main() {
     expect(uri.host, 'h5-im.imharry.work');
     expect(uri.path, '/login');
     expect(uri.queryParameters['from'], 'runtime');
-    expect(uri.queryParameters.containsKey('_h5_t'), isTrue);
     expect(uri.queryParameters.containsKey('shell_app_name'), isFalse);
     expect(Uri.splitQueryString(uri.fragment).containsKey('shell_app_logo'),
         isFalse);