cn1-ai-*: drop win modules, auto-set plist hints in sim, theme ChatView

Three review-driven fixes:

1. Remove the win/ module from every cn1-ai-* lib. UWP is not a
   runtime target -- the C# stubs were dead weight inside every
   .cn1lib. Drop the module from the root pom, the lib pom, the
   generator, and delete the existing win/ trees. .cn1lib archives
   now ship 6 entries (was 7).

2. Replace `codename1.arg.ios.plistInject` build hints with implicit
   simulator-side injection. Each JavaSE NativeXxxImpl constructor
   calls a one-shot `ensureSimulatorHints()` that:
   - reads `getProjectBuildHints()` (returns null off-simulator, so
     this is a no-op on real devices)
   - sets the default value ONLY when the hint is absent -- never
     overwrites a developer-customised string
   This way the developer never has to copy a Camera/Microphone
   usage description out of docs into their properties file, but
   stays in full control of the wording. Only mlkit-text, barcode,
   and face declared `NSCameraUsageDescription` in the previous
   plistInject form; same coverage, now via the helper.

3. Style ChatView in the modern themes. The earlier ChatView
   screenshot rendered without bubble fills because the default
   themes had no ChatBubble*/ChatInput*/ChatTypingIndicator
   UIIDs. iOSModern now uses iMessage-style accent fills for user
   bubbles + neutral fills for assistant bubbles + a centred muted
   row for system; AndroidMaterial mirrors with Material 3 primary
   container / surface variant tokens. ChatView itself now wraps
   each bubble in a FlowLayout row (USER -> RIGHT, ASSISTANT ->
   LEFT, SYSTEM -> CENTER) so the bubble's visible width tracks
   its content rather than spanning the chat surface.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: shai-almog

CodenameOne/src/com/codename1/components/ChatView.java

@@ -32,6 +32,7 @@
 import com.codename1.ui.events.ActionListener;
 import com.codename1.ui.layouts.BorderLayout;
 import com.codename1.ui.layouts.BoxLayout;
+import com.codename1.ui.layouts.FlowLayout;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -107,15 +108,25 @@ public ChatView() {
 
     /// Renders `message` as a new [ChatBubble] at the bottom of the
     /// list and scrolls into view. Safe to call from any thread.
+    ///
+    /// The bubble itself is laid out inside a single-row FlowLayout
+    /// container whose alignment is driven by the message role:
+    /// USER -> right, ASSISTANT -> left, SYSTEM -> centre. That keeps
+    /// the bubble's *visible width* anchored to its text content
+    /// rather than stretching across the full chat surface, which is
+    /// what makes a chat bubble actually look like a bubble.
     public ChatBubble addMessage(final ChatMessage message) {
         final ChatBubble[] out = new ChatBubble[1];
         Runnable r = new Runnable() {
             @Override
             public void run() {
                 ChatBubble b = createBubble(message);
+                Container row = new Container(new FlowLayout(alignmentFor(message.getRole())));
+                row.setUIID("ChatBubbleRow");
+                row.add(b);
                 history.add(message);
                 bubbles.add(b);
-                messages.add(b);
+                messages.add(row);
                 messages.revalidateLater();
                 messages.scrollComponentToVisible(b);
                 out[0] = b;
@@ -193,4 +204,14 @@ public List<ChatMessage> getHistory() {
     protected ChatBubble createBubble(ChatMessage message) {
         return new ChatBubble(message);
     }
+
+    private static int alignmentFor(Role role) {
+        if (role == Role.USER) {
+            return com.codename1.ui.Component.RIGHT;
+        }
+        if (role == Role.SYSTEM) {
+            return com.codename1.ui.Component.CENTER;
+        }
+        return com.codename1.ui.Component.LEFT;
+    }
 }

Themes/AndroidMaterialTheme.res

@@ -4,5 +4,4 @@
 # further per-class entries as needed.
 codename1.arg.ios.pods=GoogleMLKit/BarcodeScanning
 codename1.arg.android.gradleDep=implementation 'com.google.mlkit:barcode-scanning:17.2.0'
-codename1.arg.ios.plistInject=<key>NSCameraUsageDescription</key><string>This app uses the camera to scan barcodes.</string>
 codename1.arg.android.xpermissions=<uses-permission android:name="android.permission.CAMERA"/>

Themes/iOSModernTheme.res

@@ -1,6 +1,23 @@
 package com.codename1.ai.mlkit.barcode;
 
 public class NativeBarcodeScannerImpl implements NativeBarcodeScanner {
+
+    private static boolean hintsEnsured;
+    private static synchronized void ensureSimulatorHints() {
+        if (hintsEnsured) return;
+        hintsEnsured = true;
+        java.util.Map<String, String> hints =
+            com.codename1.ui.Display.getInstance().getProjectBuildHints();
+        if (hints == null) return;  // not running in the simulator
+            if (!hints.containsKey("ios.NSCameraUsageDescription")) {
+                com.codename1.ui.Display.getInstance()
+                    .setProjectBuildHint("ios.NSCameraUsageDescription", "This app uses the camera to scan barcodes.");
+            }
+    }
+
+    public NativeBarcodeScannerImpl() {
+        ensureSimulatorHints();
+    }
     public String[] scan(byte[] imageBytes) {
         if (imageBytes == null || imageBytes.length == 0) return new String[0];
         // Deterministic stub for simulator runs.

maven/cn1-ai-mlkit-barcode/common/codenameone_library_required.properties

@@ -74,18 +74,5 @@
                 </dependency>
             </dependencies>
         </profile>
-        <profile>
-            <id>win</id>
-            <activation>
-                <property><name>codename1.platform</name><value>win</value></property>
-            </activation>
-            <dependencies>
-                <dependency>
-                    <groupId>com.codenameone</groupId>
-                    <artifactId>cn1-ai-mlkit-barcode-win</artifactId>
-                    <version>${project.version}</version>
-                </dependency>
-            </dependencies>
-        </profile>
     </profiles>
 </project>

maven/cn1-ai-mlkit-barcode/javase/src/main/java/com/codename1/ai/mlkit/barcode/NativeBarcodeScannerImpl.java

@@ -28,7 +28,6 @@
         <module>android</module>
         <module>javase</module>
         <module>javascript</module>
-        <module>win</module>
         <module>lib</module>
     </modules>
 </project>

maven/cn1-ai-mlkit-barcode/lib/pom.xml

@@ -74,18 +74,5 @@
                 </dependency>
             </dependencies>
         </profile>
-        <profile>
-            <id>win</id>
-            <activation>
-                <property><name>codename1.platform</name><value>win</value></property>
-            </activation>
-            <dependencies>
-                <dependency>
-                    <groupId>com.codenameone</groupId>
-                    <artifactId>cn1-ai-mlkit-docscan-win</artifactId>
-                    <version>${project.version}</version>
-                </dependency>
-            </dependencies>
-        </profile>
     </profiles>
 </project>