From: Damyan Ivanov <dam+mobileledger@ktnx.net>
Date: Wed, 13 Nov 2019 21:39:46 +0000 (+0200)
Subject: NewTransItem/amountHint: allow for null hints, and avoid extra Live triggers
X-Git-Tag: v0.11.0~64
X-Git-Url: https://git.ktnx.net/?p=mobile-ledger.git;a=commitdiff_plain;h=33196c9c9b597020be0dfa487be2a350d44ee541;hp=6e9a69dba26ff0a7c0979e0e081c0286c03b4496

NewTransItem/amountHint: allow for null hints, and avoid extra Live triggers
---

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,