Fixed iOS crash with texture view (#1649)

packages/hms_room_kit/lib/src/meeting/meeting_store.dart

@@ -1005,7 +1005,7 @@ class MeetingStore extends ChangeNotifier
 
   @override
   void onHMSError({required HMSException error}) {
-    log("onHMSError-> error: ${error.code} ${error.message}");
+    log("onHMSError-> error: ${error.code?.errorCode} ${error.message}");
     hmsException = error;
     Utilities.showNotification(error.message ?? "", "error");
     notifyListeners();

packages/hms_room_kit/lib/src/widgets/grid_layouts/screen_share_grid_layout.dart

@@ -132,19 +132,21 @@ class _ScreenshareGridLayoutState extends State<ScreenshareGridLayout> {
                     Selector<MeetingStore, int>(
                         selector: (_, meetingStore) => meetingStore.currentPage,
                         builder: (_, currentPage, __) {
+                          int dotsCount = (((widget.peerTracks.length -
+                                      widget.screenshareCount) ~/
+                                  2) +
+                              (widget.peerTracks.length -
+                                      widget.screenshareCount) %
+                                  2);
                           return Padding(
                             padding: const EdgeInsets.only(top: 8.0),
                             child: SingleChildScrollView(
                               scrollDirection: Axis.horizontal,
                               child: DotsIndicator(
                                 mainAxisSize: MainAxisSize.min,
-                                dotsCount: (((widget.peerTracks.length -
-                                            widget.screenshareCount) ~/
-                                        2) +
-                                    (widget.peerTracks.length -
-                                            widget.screenshareCount) %
-                                        2),
-                                position: currentPage,
+                                dotsCount: dotsCount,
+                                position:
+                                    currentPage > dotsCount ? 0 : currentPage,
                                 decorator: DotsDecorator(
                                     activeColor:
                                         HMSThemeColors.onSurfaceHighEmphasis,

packages/hms_room_kit/lib/src/widgets/meeting_modes/custom_one_to_one_grid.dart

@@ -115,7 +115,8 @@ class _CustomOneToOneGridState extends State<CustomOneToOneGrid> {
                                 scrollDirection: Axis.horizontal,
                                 child: DotsIndicator(
                                   dotsCount: pageCount,
-                                  position: currentPage,
+                                  position:
+                                      currentPage > pageCount ? 0 : currentPage,
                                   decorator: DotsDecorator(
                                       activeColor:
                                           HMSThemeColors.onSurfaceHighEmphasis,

packages/hmssdk_flutter/lib/src/ui/meeting/hms_texture_view.dart

@@ -116,15 +116,18 @@ class _PlatformViewState extends State<_PlatformView> {
   void initState() {
     ///If controller is null, then we create a new controller
     ///else we use the controller provided by the app.
-    if (widget.controller == null) {
-      viewController =
-          HMSTextureViewController(track: widget.track as HMSVideoTrack);
-    } else {
-      viewController = widget.controller;
+    /// (Android Only)
+    if (Platform.isAndroid) {
+      if (widget.controller == null) {
+        viewController =
+            HMSTextureViewController(track: widget.track as HMSVideoTrack);
+      } else {
+        viewController = widget.controller;
+      }
+
+      ///Here we set the callback method which gets called to set the view
+      viewController?.setCallbackMethod(setView);
     }
-
-    ///Here we set the callback method which gets called to set the view
-    viewController?.setCallbackMethod(setView);
     super.initState();
   }
 
@@ -141,8 +144,11 @@ class _PlatformViewState extends State<_PlatformView> {
     ///
     ///Note that if the controller is created from app
     ///then the application needs to call this method explicitly.
-    if (widget.controller == null) {
-      viewController?.disposeTextureView();
+    /// (Android Only)
+    if (Platform.isAndroid) {
+      if (widget.controller == null) {
+        viewController?.disposeTextureView();
+      }
     }
     super.dispose();
   }

packages/hmssdk_flutter/lib/src/ui/meeting/hms_texture_view_controller.dart

@@ -1,3 +1,6 @@
+///Dart imports
+import 'dart:io';
+
 ///Package imports
 import 'package:flutter/services.dart';
 
@@ -6,6 +9,7 @@ import 'package:hmssdk_flutter/hmssdk_flutter.dart';
 import 'package:hmssdk_flutter/src/enum/hms_video_view_event.dart';
 import 'package:hmssdk_flutter/src/service/platform_service.dart';
 
+/// (Android Only)
 ///[HMSTextureViewController] is used to control the video view. It helps in controlling addTrack, removeTrack functionalities manually.
 ///It is useful in custom usecases where you wish to control the addTrack and removeTrack functionalities on your own.
 ///Please note that if you control the view creation, addTrack etc. on application, then application has the responsibility
@@ -40,6 +44,7 @@ class HMSTextureViewController {
         disableAutoSimulcastLayerSelect: disableAutoSimulcastLayerSelect);
   }
 
+  /// (Android Only)
   ///[createTextureView] is used to create the texture view. It takes [track] as an optional parameter.
   ///If [track] is provided, then it will add the track to the texture view by default.
   ///If [addTrackByDefault] is set to true, then it will add the track to the texture view by default.
@@ -48,81 +53,101 @@ class HMSTextureViewController {
       {HMSTrack? track,
       bool addTrackByDefault = true,
       bool? disableAutoSimulcastLayerSelect}) async {
-    var result = await PlatformService.invokeMethod(
-        PlatformMethod.createTextureView,
-        arguments: {
-          "track_id": track?.trackId,
-          "add_track_by_def": addTrackByDefault,
-          "disable_auto_simulcast_layer_select":
-              disableAutoSimulcastLayerSelect ?? false
-        });
-    if (result["success"]) {
-      _textureId = result["data"]["texture_id"];
-      EventChannel('HMSTextureView/Texture/$textureId')
-          .receiveBroadcastStream()
-          .listen(_eventListener);
-      if (_updateViewCallback != null) {
-        _updateViewCallback!();
+    if (Platform.isAndroid) {
+      var result = await PlatformService.invokeMethod(
+          PlatformMethod.createTextureView,
+          arguments: {
+            "track_id": track?.trackId,
+            "add_track_by_def": addTrackByDefault,
+            "disable_auto_simulcast_layer_select":
+                disableAutoSimulcastLayerSelect ?? false
+          });
+      if (result["success"]) {
+        _textureId = result["data"]["texture_id"];
+        EventChannel('HMSTextureView/Texture/$textureId')
+            .receiveBroadcastStream()
+            .listen(_eventListener);
+        if (_updateViewCallback != null) {
+          _updateViewCallback!();
+        }
       }
     }
   }
 
+  /// (Android Only)
   ///[setCallbackMethod] is used to set the callback method for the texture view.
   ///This callback method is used to refresh the view when certain properties of the view changes.
   void setCallbackMethod(Function callback) {
-    _updateViewCallback = callback;
+    if (Platform.isAndroid) {
+      _updateViewCallback = callback;
+    }
   }
 
+  /// (Android Only)
   ///[disposeTextureView] is used to dispose the texture view.
   ///It is the responsibility of the application to dispose the texture view if the controller is created
   ///by the application.
   void disposeTextureView() async {
-    var result = await PlatformService.invokeMethod(
-        PlatformMethod.disposeTextureView,
-        arguments: {"texture_id": textureId.toString()});
-    if (result["success"]) {
-      _textureId = null;
+    if (Platform.isAndroid) {
+      var result = await PlatformService.invokeMethod(
+          PlatformMethod.disposeTextureView,
+          arguments: {"texture_id": textureId.toString()});
+      if (result["success"]) {
+        _textureId = null;
+      }
     }
   }
 
+  /// (Android Only)
   ///[addTrack] is used to add the track to the texture view.
   ///If [disableAutoSimulcastLayerSelect] is set to true, then it will disable the auto simulcast layer selection.
   void addTrack(
       {required HMSVideoTrack track,
       bool? disableAutoSimulcastLayerSelect}) async {
-    await PlatformService.invokeMethod(PlatformMethod.addTrack, arguments: {
-      "track_id": track.trackId,
-      "texture_id": textureId.toString(),
-      "disable_auto_simulcast_layer_select":
-          disableAutoSimulcastLayerSelect ?? false,
-      "height": _height,
-      "width": _width
-    });
+    if (Platform.isAndroid) {
+      await PlatformService.invokeMethod(PlatformMethod.addTrack, arguments: {
+        "track_id": track.trackId,
+        "texture_id": textureId.toString(),
+        "disable_auto_simulcast_layer_select":
+            disableAutoSimulcastLayerSelect ?? false,
+        "height": _height,
+        "width": _width
+      });
+    }
   }
 
+  /// (Android Only)
   ///[_setDisplayResolution] is used to set the display resolution of the texture view.
   ///It is used internally by the SDK.
   void _setDisplayResolution({required int height, required int width}) {
-    PlatformService.invokeMethod(PlatformMethod.setDisplayResolution,
-        arguments: {
-          "texture_id": textureId.toString(),
-          "height": height,
-          "width": width
-        });
+    if (Platform.isAndroid) {
+      PlatformService.invokeMethod(PlatformMethod.setDisplayResolution,
+          arguments: {
+            "texture_id": textureId.toString(),
+            "height": height,
+            "width": width
+          });
+    }
   }
 
+  /// (Android Only)
   ///[removeTrack] is used to remove the track from the texture view.
   void removeTrack() {
-    PlatformService.invokeMethod(PlatformMethod.removeTrack,
-        arguments: {"texture_id": textureId.toString()});
+    if (Platform.isAndroid) {
+      PlatformService.invokeMethod(PlatformMethod.removeTrack,
+          arguments: {"texture_id": textureId.toString()});
+    }
   }
 
+  /// (Android Only)
   ///[setHeightWidth] is used to set the height and width of the texture view.
   void setHeightWidth({required double height, required double width}) {
-    if (_height != height.toInt() || _width != width.toInt()) {
-      _height = height.toInt();
-      _width = width.toInt();
-      _setDisplayResolution(height: _height!, width: _width!);
+    if (Platform.isAndroid) {
+      if (_height != height.toInt() || _width != width.toInt()) {
+        _height = height.toInt();
+        _width = width.toInt();
+        _setDisplayResolution(height: _height!, width: _width!);
+      }
     }
   }