Android support

client/android/build.gradle

@@ -26,6 +26,6 @@ subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }

package/lib/src/actions.dart

@@ -50,7 +50,8 @@ class WindowEventAction {
 
 class PageBrightnessChangeAction {
   final Brightness brightness;
-  PageBrightnessChangeAction(this.brightness);
+  final FletServer server;
+  PageBrightnessChangeAction(this.brightness, this.server);
 }
 
 class RegisterWebClientAction {

package/lib/src/flet_server.dart

@@ -44,7 +44,9 @@ class FletServer {
   String _windowLeft = "";
   String _isPWA = "";
   String _isWeb = "";
+  String _isDebug = "";
   String _platform = "";
+  String _platformBrightness = "";
   int reconnectStarted = 0;
   final Map<String, ControlInvokeMethodCallback> controlInvokeMethods;
 
@@ -114,7 +116,9 @@ class FletServer {
     required String windowLeft,
     required String isPWA,
     required String isWeb,
+    required String isDebug,
     required String platform,
+    required String platformBrightness,
   }) {
     _pageName = pageName;
     _pageHash = pageRoute;
@@ -126,7 +130,9 @@ class FletServer {
     _windowLeft = windowLeft;
     _isPWA = isPWA;
     _isWeb = isWeb;
+    _isDebug = isDebug;
     _platform = platform;
+    _platformBrightness = platformBrightness;
   }
 
   registerWebClientInternal() {
@@ -145,7 +151,9 @@ class FletServer {
             windowHeight: page?.attrString("windowHeight") ?? _windowHeight,
             isPWA: _isPWA,
             isWeb: _isWeb,
+            isDebug: _isDebug,
             platform: _platform,
+            platformBrightness: _platformBrightness,
             sessionId: _store.state.sessionId)));
     _pageHash = "";
   }

package/lib/src/protocol/register_webclient_request.dart

@@ -9,7 +9,9 @@ class RegisterWebClientRequest {
   final String? windowLeft;
   final String? isPWA;
   final String? isWeb;
+  final String? isDebug;
   final String? platform;
+  final String? platformBrightness;
   final String? sessionId;
 
   RegisterWebClientRequest(
@@ -23,7 +25,9 @@ class RegisterWebClientRequest {
       this.windowLeft,
       this.isPWA,
       this.isWeb,
+      this.isDebug,
       this.platform,
+      this.platformBrightness,
       this.sessionId});
 
   Map<String, dynamic> toJson() => <String, dynamic>{
@@ -37,7 +41,9 @@ class RegisterWebClientRequest {
         'windowLeft': windowLeft,
         'isPWA': isPWA,
         'isWeb': isWeb,
+        'isDebug': isDebug,
         'platform': platform,
+        'platformBrightness': platformBrightness,
         'sessionId': sessionId
       };
 }

package/lib/src/reducers.dart

@@ -27,7 +27,7 @@ enum Actions { increment, setText, setError }
 
 AppState appReducer(AppState state, dynamic action) {
   if (action is PageLoadAction) {
-    var sessionId = SessionStore.get("sessionId");
+    var sessionId = SessionStore.sessionId;
     return state.copyWith(
         pageUri: action.pageUri,
         assetsDir: action.assetsDir,
@@ -95,7 +95,9 @@ AppState appReducer(AppState state, dynamic action) {
               windowLeft: wmd.left != null ? wmd.left.toString() : "",
               isPWA: isProgressiveWebApp().toString(),
               isWeb: kIsWeb.toString(),
-              platform: defaultTargetPlatform.name.toLowerCase());
+              isDebug: kDebugMode.toString(),
+              platform: defaultTargetPlatform.name.toLowerCase(),
+              platformBrightness: state.displayBrightness.name.toString());
 
           action.server.connect(address: state.pageUri!.toString());
         });
@@ -137,6 +139,28 @@ AppState appReducer(AppState state, dynamic action) {
 
     return state.copyWith(controls: controls);
   } else if (action is PageBrightnessChangeAction) {
+    //
+    // platform brightness changed
+    //
+    debugPrint("New platform brightness: ${action.brightness.name}");
+
+    var page = state.controls["page"];
+    var controls = Map.of(state.controls);
+    if (page != null && !state.isLoading) {
+      var pageAttrs = Map.of(page.attrs);
+      pageAttrs["platformBrightness"] = action.brightness.name.toString();
+
+      List<Map<String, String>> props = [
+        {"i": "page", "platformBrightness": action.brightness.name.toString()},
+      ];
+
+      controls[page.id] = page.copyWith(attrs: pageAttrs);
+      action.server.updateControlProps(props: props);
+      action.server.sendPageEvent(
+          eventTarget: "page",
+          eventName: "platformBrightnessChange",
+          eventData: action.brightness.name.toString());
+    }
     return state.copyWith(displayBrightness: action.brightness);
   } else if (action is RegisterWebClientAction) {
     //
@@ -152,7 +176,7 @@ AppState appReducer(AppState state, dynamic action) {
       final sessionId = action.payload.session!.id;
 
       // store sessionId in a cookie
-      SessionStore.set("sessionId", sessionId);
+      SessionStore.sessionId = sessionId;
 
       if (state.deepLinkingRoute != "") {
         debugPrint(

package/lib/src/utils/session_store_non_web.dart

@@ -1,6 +1,14 @@
 import 'package:flutter/foundation.dart';
 
 class SessionStore {
+  static String? get sessionId {
+    return null;
+  }
+
+  static set sessionId(String? value) {
+    // nothing to do
+  }
+
   static String? get(String name) {
     return null;
   }

package/lib/src/utils/session_store_web.dart

@@ -4,6 +4,14 @@ import 'dart:html' as html;
 import 'package:flutter/foundation.dart';
 
 class SessionStore {
+  static String? get sessionId {
+    return html.window.name;
+  }
+
+  static set sessionId(String? value) {
+    html.window.name = value;
+  }
+
   static String? get(String name) {
     debugPrint("Get session storage $name");
 

package/lib/src/widgets/page_media.dart

@@ -43,7 +43,8 @@ class _PageMediaState extends State<PageMedia> {
 
   _onScreenBrightnessChanged(Brightness brightness, Function dispatch) {
     debugPrint("Send new brightness to reducer: $brightness");
-    dispatch(PageBrightnessChangeAction(brightness));
+    dispatch(PageBrightnessChangeAction(
+        brightness, FletAppServices.of(context).server));
   }
 
   @override

package/test/protocol/register_webclient_request_test.dart

@@ -12,6 +12,6 @@ void main() {
 
     final j = json.encode(m);
     expect(j,
-        '{"action":"registerWebClient","payload":{"pageName":"test-page1","pageRoute":null,"pageWidth":null,"pageHeight":null,"windowWidth":null,"windowHeight":null,"windowTop":null,"windowLeft":null,"isPWA":null,"isWeb":null,"platform":null,"sessionId":null}}');
+        '{"action":"registerWebClient","payload":{"pageName":"test-page1","pageRoute":null,"pageWidth":null,"pageHeight":null,"windowWidth":null,"windowHeight":null,"windowTop":null,"windowLeft":null,"isPWA":null,"isWeb":null,"isDebug":null,"platform":null,"platformBrightness":null,"sessionId":null}}');
   });
 }

sdk/python/packages/flet-core/src/flet_core/local_connection.py

@@ -36,7 +36,9 @@ def _create_register_web_client_response(self):
                             "windowleft": self._client_details.windowLeft,
                             "pwa": self._client_details.isPWA,
                             "web": self._client_details.isWeb,
+                            "debug": self._client_details.isDebug,
                             "platform": self._client_details.platform,
+                            "platformBrightness": self._client_details.platformBrightness,
                         }
                     },
                 ),
@@ -216,8 +218,12 @@ def _process_get_command(self, values: List[str]):
                 r = self._client_details.isPWA
             elif prop_name == "web":
                 r = self._client_details.isWeb
+            elif prop_name == "debug":
+                r = self._client_details.isDebug
             elif prop_name == "platform":
                 r = self._client_details.platform
+            elif prop_name == "platformBrightness":
+                r = self._client_details.platformBrightness
             elif prop_name == "width":
                 r = self._client_details.pageWidth
             elif prop_name == "height":

sdk/python/packages/flet-core/src/flet_core/page.py

@@ -124,6 +124,11 @@ def __init__(self, conn: Connection, session_id):
         self._add_event_handler("close", self.__on_close.get_handler())
         self.__on_resize = EventHandler()
         self._add_event_handler("resize", self.__on_resize.get_handler())
+        self.__on_platform_brightness_change = EventHandler()
+        self._add_event_handler(
+            "platformBrightnessChange",
+            self.__on_platform_brightness_change.get_handler(),
+        )
 
         self.__last_route = None
 
@@ -220,13 +225,11 @@ async def fetch_page_details_async(self):
     def __get_page_detail_commands(self):
         return [
             Command(0, "get", ["page", "route"]),
-            Command(
-                0,
-                "get",
-                ["page", "pwa"],
-            ),
+            Command(0, "get", ["page", "pwa"]),
             Command(0, "get", ["page", "web"]),
+            Command(0, "get", ["page", "debug"]),
             Command(0, "get", ["page", "platform"]),
+            Command(0, "get", ["page", "platformBrightness"]),
             Command(0, "get", ["page", "width"]),
             Command(0, "get", ["page", "height"]),
             Command(0, "get", ["page", "windowWidth"]),
@@ -241,15 +244,17 @@ def __set_page_details(self, values):
         self._set_attr("route", values[0], False)
         self._set_attr("pwa", values[1], False)
         self._set_attr("web", values[2], False)
-        self._set_attr("platform", values[3], False)
-        self._set_attr("width", values[4], False)
-        self._set_attr("height", values[5], False)
-        self._set_attr("windowWidth", values[6], False)
-        self._set_attr("windowHeight", values[7], False)
-        self._set_attr("windowTop", values[8], False)
-        self._set_attr("windowLeft", values[9], False)
-        self._set_attr("clientIP", values[10], False)
-        self._set_attr("clientUserAgent", values[11], False)
+        self._set_attr("debug", values[3], False)
+        self._set_attr("platform", values[4], False)
+        self._set_attr("platformBrightness", values[5], False)
+        self._set_attr("width", values[6], False)
+        self._set_attr("height", values[7], False)
+        self._set_attr("windowWidth", values[8], False)
+        self._set_attr("windowHeight", values[9], False)
+        self._set_attr("windowTop", values[10], False)
+        self._set_attr("windowLeft", values[11], False)
+        self._set_attr("clientIP", values[12], False)
+        self._set_attr("clientUserAgent", values[13], False)
 
     def update(self, *controls):
         with self.__lock:
@@ -1117,11 +1122,23 @@ def pwa(self):
     def web(self) -> bool:
         return cast(bool, self._get_attr("web", data_type="bool", def_value=False))
 
+    # debug
+    @property
+    def debug(self) -> bool:
+        return cast(bool, self._get_attr("debug", data_type="bool", def_value=False))
+
     # platform
     @property
     def platform(self):
         return self._get_attr("platform")
 
+    # platform_brightness
+    @property
+    def platform_brightness(self) -> ThemeMode:
+        brightness = self._get_attr("platformBrightness")
+        assert brightness is not None
+        return ThemeMode(brightness)
+
     # client_ip
     @property
     def client_ip(self):
@@ -1659,6 +1676,15 @@ def on_resize(self):
     def on_resize(self, handler):
         self.__on_resize.subscribe(handler)
 
+    # on_platform_brightness_change
+    @property
+    def on_platform_brightness_change(self):
+        return self.__on_platform_brightness_change
+
+    @on_platform_brightness_change.setter
+    def on_platform_brightness_change(self, handler):
+        self.__on_platform_brightness_change.subscribe(handler)
+
     # on_route_change
     @property
     def on_route_change(self):

sdk/python/packages/flet-core/src/flet_core/protocol.py

@@ -147,7 +147,9 @@ class RegisterWebClientRequestPayload:
     windowLeft: str
     isPWA: str
     isWeb: str
+    isDebug: str
     platform: str
+    platformBrightness: str
     sessionId: str