From 33196c9c9b597020be0dfa487be2a350d44ee541 Mon Sep 17 00:00:00 2001
From: Damyan Ivanov <dam+mobileledger@ktnx.net>
Date: Wed, 13 Nov 2019 23:39:46 +0200
Subject: [PATCH 1/1] NewTransItem/amountHint: allow for null hints, and avoid
 extra Live triggers

---
 .../mobileledger/ui/activity/NewTransactionModel.java | 11 +++++++++++
 1 file changed, 11 insertions(+)

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 914a478b..66031354 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
@@ -290,6 +290,17 @@ public class NewTransactionModel extends ViewModel {
         }
         public void setAmountHint(String amountHint) {
             ensureType(ItemType.transactionRow);
+
+            // avoid unnecessary triggers
+            if (amountHint == null) {
+                if (this.amountHint.getValue() == null)
+                    return;
+            }
+            else {
+                if (amountHint.equals(this.amountHint.getValue()))
+                    return;
+            }
+
             this.amountHint.setValue(amountHint);
         }
         public void observeAmountHint(@NonNull @NotNull androidx.lifecycle.LifecycleOwner owner,
-- 
2.39.2