From 0f7789c4113ea8ef587d393a65ec91def928b003 Mon Sep 17 00:00:00 2001
From: Avently <7953703+avently@users.noreply.github.com>
Date: Tue, 8 Nov 2022 19:22:02 +0300
Subject: [PATCH] android: Random crashes fix

---
 .../chat/simplex/app/views/chat/group/AddGroupMembersView.kt  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/apps/android/app/src/main/java/chat/simplex/app/views/chat/group/AddGroupMembersView.kt b/apps/android/app/src/main/java/chat/simplex/app/views/chat/group/AddGroupMembersView.kt
index b86389bffd..c3c10d1d88 100644
--- a/apps/android/app/src/main/java/chat/simplex/app/views/chat/group/AddGroupMembersView.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/chat/group/AddGroupMembersView.kt
@@ -43,8 +43,10 @@ fun AddGroupMembersView(groupInfo: GroupInfo, chatModel: ChatModel, close: () ->
     selectedContacts = selectedContacts,
     selectedRole = selectedRole,
     inviteMembers = {
+      // A copy of the list to prevent ConcurrentModification exception
+      val contacts = selectedContacts.toList()
       withApi {
-        for (contactId in selectedContacts) {
+        for (contactId in contacts) {
           val member = chatModel.controller.apiAddMember(groupInfo.groupId, contactId, selectedRole.value)
           if (member != null) {
             chatModel.upsertGroupMember(groupInfo, member)