修改聊天群头像为圆角图形

rong_im/kit/src/main/java/io/rong/imkit/conversationlist/provider/BaseConversationProvider.java

@@ -60,7 +60,7 @@ public class BaseConversationProvider implements IViewProvider<BaseUiConversatio
             } else if (uiConversation.mCore.getConversationType().equals(Conversation.ConversationType.CUSTOMER_SERVICE)) {
                 drawableId = R.drawable.rc_default_chatroom_portrait;
             }
-            holder.setImageBitmapCircle(R.id.rc_conversation_portrait, drawableId);
+            holder.setImageDrawable(R.id.rc_conversation_portrait, holder.getContext().getResources().getDrawable(drawableId));
         }
         holder.getView(R.id.rc_conversation_portrait).setOnClickListener(new View.OnClickListener() {
             @Override