当我们将构建更新到IOS 16时，我们注意到当您单击SendMessage_Tapped时，键盘会隐藏一会儿然后重新出现（由于EditorMessage.Focus（）触发），这与之前的构建IOS〉=15和任何Android版本不同。
前端代码

<controls:KeyboardFloatFrame
            Grid.Row="3"
            Style="{StaticResource ChatInputBoxFrameStyle}"
            Focused="EditorArea_Focused"
            IsVisible="{Binding ShowKeyboardSection}">
            <pancakeview:PancakeView
                Style="{StaticResource ChatInputBoxPanCakeViewStyle}"
                Focused="EditorArea_Focused">
                <Grid x:Name="EditorContainerGrid"
                      Padding="{OnPlatform iOS='10,5,0,5'}"
                      Focused="EditorArea_Focused"
                      RowSpacing="0">
                    <Grid.RowDefinitions>
                        <RowDefinition  Height="Auto"/>
                    </Grid.RowDefinitions>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="*" />
                        <ColumnDefinition Width="30" />
                    </Grid.ColumnDefinitions>
                    <controls:ChatEditor x:Name="EditorMessage"
                                         Grid.Column="0"
                                         Text="{Binding Message}"
                                         Focused="EditorMessage_Focused"
                                         Unfocused="EditorMessage_Unfocused" />

                    <Grid Grid.Column="1"
                          VerticalOptions="End"
                          IsVisible="false"
                          Padding="{OnPlatform iOS='0,0,0,10'}"
                          x:Name="SendIconGrid"
                          Opacity="{Binding SendButtonOpacity }"
                          HorizontalOptions="Fill">
                        <Image Source="send_icn"
                               HorizontalOptions="End"
                               VerticalOptions="End"
                               Margin="0">
                            <Image.GestureRecognizers>
                                <TapGestureRecognizer NumberOfTapsRequired="1"
                                                      Tapped="SendMessage_Tapped" />
                            </Image.GestureRecognizers>
                        </Image>
                        <Grid.GestureRecognizers>
                            <TapGestureRecognizer NumberOfTapsRequired="1"
                                                  Tapped="SendMessage_Tapped" />
                        </Grid.GestureRecognizers>
                    </Grid>
                </Grid>
                <pancakeview:PancakeView.GestureRecognizers>
                    <TapGestureRecognizer Tapped="EditorFrameArea_Tapped" />
                </pancakeview:PancakeView.GestureRecognizers>
            </pancakeview:PancakeView>
        </controls:KeyboardFloatFrame>

后端代码

#region Event Handlers

        private void SendMessage_Tapped(object sender, System.EventArgs e)
        {
            KeepFocusOnMessageEditor();
            _viewModel.SendMessage.Execute(sender);
        }

        private void EditorArea_Focused(object sender, System.EventArgs e)
        {
            KeepFocusOnMessageEditor();
        }

        private void EditorFrameArea_Tapped(object sender, System.EventArgs e)
        {
            KeepFocusOnMessageEditor();
        }

        private void BodyGrid_Tapped(object sender, System.EventArgs e)
        {
            if (IsIOS)
            {
                EditorMessage.Unfocus();
            }
        }

        private void EditorMessage_Focused(System.Object sender, FocusEventArgs e)
        {
            Constants.AndroidFlags.IgnoreFocusChanges = true;
            SendIconGrid.IsVisible = true;
        }

        private void EditorMessage_Unfocused(System.Object sender, FocusEventArgs e)
        {
            Constants.AndroidFlags.IgnoreFocusChanges = false;
            if (_viewModel.Message.IsBlank())
            {
                SendIconGrid.IsVisible = false;
            }
        }

        #endregion

        #region Private Methods

        private void ScrollToMessage(ChatMessage message)
        {
            if (message != null && message.IsUnreadHeaderText && message.MessageStatus != Common.ChatMessageStatus.Read)
            {
                message.MessageStatus = Common.ChatMessageStatus.Read;
                Device.BeginInvokeOnMainThread(() => ListViewChat.ScrollTo(message, ScrollToPosition.End, false));
            }
            else
            {
                Device.BeginInvokeOnMainThread(() => ListViewChat.ScrollTo(message, ScrollToPosition.End, false));
            }
        }

        private void KeepFocusOnMessageEditor()
        {

            if (IsIOS)
            {
                EditorMessage.Focus();
            } else {

                Constants.AndroidFlags.IgnoreFocusChanges = true;
                Device.BeginInvokeOnMainThread(() => EditorMessage.Focus());
            }
        }

        #endregion

我希望iOS 16的操作方式与其他版本相同，当您单击SendMessage_Tapped图像时，键盘不会隐藏。只是在寻找一种方法，以保持键盘上，如果用户点击图标。