From 9e6e3b40574afffa4d08a47bbd695a0322b39ea3 Mon Sep 17 00:00:00 2001
From: rsb-23 <57601627+rsb-23@users.noreply.github.com>
Date: Mon, 4 Jul 2022 00:17:08 +0530
Subject: [PATCH] =?UTF-8?q?Fixed=20issue=20#261=20of=200=E2=88=9A?=
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Cause : lastKey was not updated when newValue became "". Hence lastKey validation at line 95 failed.
---
 .../com/simplemobiletools/calculator/helpers/CalculatorImpl.kt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/main/kotlin/com/simplemobiletools/calculator/helpers/CalculatorImpl.kt b/app/src/main/kotlin/com/simplemobiletools/calculator/helpers/CalculatorImpl.kt
index d04cdbd3..5ff4804e 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calculator/helpers/CalculatorImpl.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calculator/helpers/CalculatorImpl.kt
@@ -324,8 +324,9 @@ class CalculatorImpl(
         val lastDeletedValue = inputDisplayedFormula.lastOrNull().toString()
 
         var newValue = inputDisplayedFormula.dropLast(1)
-        if (newValue == "") {
+        if (newValue == "" || newValue == "0") {
             newValue = "0"
+            lastKey = CLEAR
         } else {
             if (operations.contains(lastDeletedValue) || lastKey == EQUALS) {
                 lastOperation = ""