From 73db4eac40acaf517513c6ccc0c3e44472c7dbdf Mon Sep 17 00:00:00 2001
From: Damyan Ivanov <dam+mobileledger@ktnx.net>
Date: Fri, 17 Apr 2020 22:21:56 +0300
Subject: [PATCH] avoid overlapping observations

---
 .../mobileledger/ui/activity/NewTransactionModel.java     | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java b/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java
index 9f5cd8c4..34d3a849 100644
--- a/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionModel.java
@@ -72,9 +72,13 @@ public class NewTransactionModel extends ViewModel {
      */
     private final HashMap<String, List<Item>> slots = new HashMap<>();
     private int checkHoldCounter = 0;
-    private Observer<MobileLedgerProfile> profileObserver = profile ->showCurrency.postValue(profile.getShowCommodityByDefault());
+    private boolean observingDataProfile;
+    private Observer<MobileLedgerProfile> profileObserver =
+            profile -> showCurrency.postValue(profile.getShowCommodityByDefault());
     public void observeDataProfile(LifecycleOwner activity) {
-        Data.profile.observe(activity, profileObserver);
+        if (!observingDataProfile)
+            Data.profile.observe(activity, profileObserver);
+        observingDataProfile = true;
     }
     void holdSubmittableChecks() {
         checkHoldCounter++;
-- 
2.39.2