More crash fixes

app/src/main/java/chat/rocket/android/chatroom/presentation/ChatRoomPresenter.kt

@@ -1169,24 +1169,26 @@ class ChatRoomPresenter @Inject constructor(
     }
 
     private fun processTypingStatus(typingStatus: Pair<String, Boolean>) {
-        if (typingStatus.first != currentLoggedUsername) {
-            if (!typingStatusList.any { username -> username == typingStatus.first }) {
-                if (typingStatus.second) {
-                    typingStatusList.add(typingStatus.first)
-                }
-            } else {
-                typingStatusList.find { username -> username == typingStatus.first }?.let {
-                    typingStatusList.remove(it)
+        synchronized(typingStatusList) {
+            if (typingStatus.first != currentLoggedUsername) {
+                if (!typingStatusList.any { username -> username == typingStatus.first }) {
                     if (typingStatus.second) {
                         typingStatusList.add(typingStatus.first)
                     }
+                } else {
+                    typingStatusList.find { username -> username == typingStatus.first }?.let {
+                        typingStatusList.remove(it)
+                        if (typingStatus.second) {
+                            typingStatusList.add(typingStatus.first)
+                        }
+                    }
                 }
-            }
 
-            if (typingStatusList.isNotEmpty()) {
-                view.showTypingStatus(typingStatusList.toList())
-            } else {
-                view.hideTypingStatusView()
+                if (typingStatusList.isNotEmpty()) {
+                    view.showTypingStatus(typingStatusList.toList())
+                } else {
+                    view.hideTypingStatusView()
+                }
             }
         }
     }

app/src/main/java/chat/rocket/android/chatroom/ui/ChatRoomFragment.kt

@@ -594,7 +594,11 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
         }
     }
 
-    override fun showGenericErrorMessage() = showMessage(getString(R.string.msg_generic_error))
+    override fun showGenericErrorMessage(){
+        ui {
+            showMessage(getString(R.string.msg_generic_error))
+        }
+    }
 
     override fun populatePeopleSuggestions(members: List<PeopleSuggestionUiModel>) {
         ui {