From 2cdeb1af9c92975fbea2aaa05833513c5773aac4 Mon Sep 17 00:00:00 2001
From: Katharine <kwchuiaa@connect.ust.hk>
Date: Tue, 2 Nov 2021 08:20:24 +0800
Subject: [PATCH] use HashMap<> constructor to clone HashMap in
 LoyaltyCardCursorAdapter

---
 .../protect/card_locker/ManageGroupCursorAdapter.java | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/app/src/main/java/protect/card_locker/ManageGroupCursorAdapter.java b/app/src/main/java/protect/card_locker/ManageGroupCursorAdapter.java
index d3d0b476c..96f62fdfa 100644
--- a/app/src/main/java/protect/card_locker/ManageGroupCursorAdapter.java
+++ b/app/src/main/java/protect/card_locker/ManageGroupCursorAdapter.java
@@ -98,18 +98,11 @@ public class ManageGroupCursorAdapter extends LoyaltyCardCursorAdapter {
     }
 
     public void importInGroupState(HashMap<Integer, Boolean> cardIdInGroupMap) {
-        mInGroupOverlay = new HashMap<>();
-        for (Map.Entry<Integer, Boolean> entry: cardIdInGroupMap.entrySet()){
-            mInGroupOverlay.put(entry.getKey(), entry.getValue());
-        }
+        mInGroupOverlay = new HashMap<>(cardIdInGroupMap);
     }
 
     public HashMap<Integer, Boolean> exportInGroupState(){
-        HashMap<Integer, Boolean> ret = new HashMap<>();
-        for (Map.Entry<Integer, Boolean> entry: mInGroupOverlay.entrySet()){
-            ret.put(entry.getKey(), entry.getValue());
-        }
-        return ret;
+        return new HashMap<>(mInGroupOverlay);
     }
 
     public int getCountFromCursor() {