From 52c3de77cef2b862845846f776c6850e71214e2d Mon Sep 17 00:00:00 2001
From: Osmar Oliveira <osmar.oliveira@fbest.org.br>
Date: Wed, 20 Oct 2021 21:23:12 -0300
Subject: [PATCH 1/2] event listener saving

---
 index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index b546b82..f89eff2 100644
--- a/index.js
+++ b/index.js
@@ -51,12 +51,12 @@ class CountDown extends React.Component {
   }
 
   componentDidMount() {
-    AppState.addEventListener('change', this._handleAppStateChange);
+    this.eventListener = AppState.addEventListener('change', this._handleAppStateChange);
   }
 
   componentWillUnmount() {
     clearInterval(this.timer);
-    AppState.removeEventListener('change', this._handleAppStateChange);
+    this.eventListener.remove;
   }
 
   componentDidUpdate(prevProps, prevState) {

From d36e1f196582fd4dfa1678b2ca3daac0d898f9da Mon Sep 17 00:00:00 2001
From: Osmar Oliveira <osmar.oliveira@fbest.org.br>
Date: Wed, 20 Oct 2021 21:24:50 -0300
Subject: [PATCH 2/2] event listener remove change

---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index f89eff2..58ec8f2 100644
--- a/index.js
+++ b/index.js
@@ -56,7 +56,7 @@ class CountDown extends React.Component {
 
   componentWillUnmount() {
     clearInterval(this.timer);
-    this.eventListener.remove;
+    this.eventListener.remove();
   }
 
   componentDidUpdate(prevProps, prevState) {