Dart sources debuggable as Dart; Flutter support in the Gradle plugin

.github/workflows/gradle-smoke.yml

@@ -12,6 +12,8 @@ name: Gradle build smoke
 #                                the Gradle plugin reuses the Maven engine
 #   gradle-cn1lib-test.sh        a Gradle-built cn1lib consumed by a Gradle app
 #                                AND a Maven app
+#   gradle-flutter-test.sh       src/main/flutter: same classes and assets both ways,
+#                                mapped to the Dart source; removed sources leave nothing
 #   gradle-migrate-test.sh       Ant and Maven to Gradle; legacy .cn1lib refused
 #   gradle-tools-test.sh         Settings opens, and renders, from cn1:settings and
 #                                from ./gradlew settings
@@ -34,6 +36,9 @@ on:
       - 'maven/css-compiler/**'
       - 'maven/css-cli/**'
       - 'maven/build-engine/**'
+      - 'maven/dart-transpiler/**'
+      - 'maven/dart-runtime/**'
+      - 'maven/flutter-runtime/**'
       - 'maven/project-model/**'
       - 'maven/cn1app-archetype/**'
       - 'maven/backend/**'
@@ -58,6 +63,9 @@ on:
       - 'maven/css-compiler/**'
       - 'maven/css-cli/**'
       - 'maven/build-engine/**'
+      - 'maven/dart-transpiler/**'
+      - 'maven/dart-runtime/**'
+      - 'maven/flutter-runtime/**'
       - 'maven/project-model/**'
       - 'maven/cn1app-archetype/**'
       - 'maven/backend/**'
@@ -135,12 +143,21 @@ jobs:
           cd maven
           mvn archetype:update-local-catalog -Plocal-dev-javase
           mvn archetype:crawl -Plocal-dev-javase
+      # The Flutter runtime compiles at release 17, so the JDK 8 reactor
+      # above leaves it out (the flutter-modules profile is JDK activated).
+      - name: Build the Flutter runtime
+        run: |
+          cd maven
+          JAVA_HOME="$GRADLE_JAVA_HOME" mvn -B -ntp install -pl dart-runtime,flutter-runtime -DskipTests -Dmaven.javadoc.skip=true
       - name: Gradle application
         working-directory: maven/integration-tests
         run: xvfb-run -a bash gradle-app-test.sh
       - name: Maven and Gradle upload parity
         working-directory: maven/integration-tests
         run: bash gradle-maven-parity-test.sh
+      - name: Flutter sources, Maven and Gradle
+        working-directory: maven/integration-tests
+        run: bash gradle-flutter-test.sh
       - name: Gradle cn1lib, consumed by Gradle and Maven
         working-directory: maven/integration-tests
         # DISPLAY and WAYLAND_DISPLAY are cleared on purpose, and this must

CodenameOne/src/com/codename1/social/AppleSignIn.java

@@ -208,6 +208,7 @@ public void run() {
                         return;
                     }
                     AppleSignInResult result = parsePackedResult(packed);
+                    result.rawNonce = plainNonce;
                     if (result.getIdentityToken() == null) {
                         callback.onError("Apple Sign-In returned no identity token");
                         return;

CodenameOne/src/com/codename1/social/AppleSignInResult.java

@@ -38,6 +38,7 @@ public final class AppleSignInResult {
     String userId;
     String email;
     String fullName;
+    String rawNonce;
 
     AppleSignInResult() {}
 
@@ -74,4 +75,13 @@ public String getEmail() {
     public String getFullName() {
         return fullName;
     }
+
+    /// The nonce this sign-in sent, before hashing: the native sheet sends Apple its
+    /// SHA-256, so the identity token's `nonce` claim is that hash, and a service that
+    /// checks the token against the request -- Firebase Authentication's
+    /// `signInWithIdp` -- needs this value to recompute it. `null` for the web flow,
+    /// whose request carries an unhashed nonce of its own.
+    public String getRawNonce() {
+        return rawNonce;
+    }
 }

CodenameOne/src/com/codename1/ui/plaf/UIManager.java

@@ -565,7 +565,7 @@ private static Font parseFont(String fontStr) {
     /// ```java
     /// Resources theme = null;
     /// try {
-    ///     theme = Resources.openLayered(resourceFile);
+    ///     theme = Resources.openLayered("/theme");
     ///     UIManager.getInstance().setThemeMap(theme.getThemeMap(theme.getThemeResourceNames()[0]));
     /// } catch (IOException e) {
     ///     Log.e(e);

docs/demos/common/src/main/java/com/codenameone/developerguide/flutter/Lottie.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2026, Codename One and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Codename One designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Codename One through http://www.codenameone.com/ if you
+ * need additional information or have any questions.
+ */
+package com.codenameone.developerguide.flutter;
+
+import com.codename1.flutter.BuildContext;
+import com.codename1.flutter.StatelessWidget;
+import com.codename1.flutter.Widget;
+import com.codename1.flutter.widgets.Text;
+
+/// The Java half of the guide's example stub pack: the class `plugin_lottie.dart`
+/// names with `@JavaName`.
+// tag::flutter-stub-pack-java-001[]
+public class Lottie extends StatelessWidget {
+    private String name;
+
+    public static Lottie asset(String name, Double width, Double height,
+            Boolean repeat, Object fit) {
+        Lottie l = new Lottie();
+        l.name = name;
+        return l;
+    }
+
+    @Override
+    public Widget build(BuildContext context) {
+        // Play the animation; a label stands in for it here.
+        return new Text(name);
+    }
+}
+// end::flutter-stub-pack-java-001[]

docs/demos/common/src/main/snippets/developer-guide/flutter-import-report.json

@@ -0,0 +1,9 @@
+// Generated from docs/developer-guide source blocks. Edit the guide snippets here, not inline.
+
+// tag::flutter-import-report-json-001[]
+{"package": "ui_kit", "status": "unsupported",
+ "note": "depends on vector_graphics_compiler, which needs dart:ffi",
+ "cause": "needs dart:ffi",
+ "chain": ["ui_kit", "vector_graphics_compiler"],
+ "reachedFrom": ["lib/login/login_screen.dart"]}
+// end::flutter-import-report-json-001[]

docs/demos/common/src/main/snippets/developer-guide/flutter-stub-pack.dart

@@ -0,0 +1,12 @@
+// Generated from docs/developer-guide source blocks. Edit the guide snippets here, not inline.
+
+// tag::flutter-stub-pack-dart-001[]
+// cn1:package lottie
+// cn1:covers lottie Lottie.asset over a Codename One animation
+@JavaName('com.codenameone.developerguide.flutter.Lottie')
+class Lottie extends Widget {
+  @Unapplied('fit')
+  external static Lottie asset(String name, {double? width, double? height,
+      bool repeat, BoxFit? fit});
+}
+// end::flutter-stub-pack-dart-001[]