Improved tabbar animation

Author: martinmitrevski

Sources/StreamChatSwiftUI/ChatChannelList/ChatChannelListView.swift

@@ -103,6 +103,11 @@ public struct ChatChannelListView<Factory: ViewFactory>: View {
                     }
                 }
             }
+            .onDisappear(perform: {
+                if viewModel.selectedChannel != nil {
+                    viewModel.hideTabBar = true
+                }
+            })
             .background(
                 viewFactory.makeChannelListBackground(colors: colors)
             )

Sources/StreamChatSwiftUI/ChatChannelList/ChatChannelListViewModel.swift

@@ -123,6 +123,8 @@ open class ChatChannelListViewModel: ObservableObject, ChatChannelListController
     ///
     /// - Parameter index: the currently displayed index.
     public func checkForChannels(index: Int) {
+        checkTabBarVisibilty()
+        
         if index < (controller?.channels.count ?? 0) - 15 {
             return
         }
@@ -330,6 +332,13 @@ open class ChatChannelListViewModel: ObservableObject, ChatChannelListController
             selectedChannel = channels.first?.channelSelectionInfo
         }
     }
+    
+    private func checkTabBarVisibilty() {
+        guard #available(iOS 15, *) else { return }
+        if hideTabBar == true {
+            hideTabBar = false
+        }
+    }
 }
 
 /// Enum for the type of alert presented in the channel list view.