From d3b9a53f922fb2ac042085f76f8e9196ecd5179e Mon Sep 17 00:00:00 2001
From: Richie <whitedogg13@gmail.com>
Date: Sat, 25 Jun 2022 20:17:32 +0800
Subject: [PATCH] feat: detect Android NFC on / off state

---
 src/Screens/Home/index.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/Screens/Home/index.js b/src/Screens/Home/index.js
index f7ba218..9ce74ba 100644
--- a/src/Screens/Home/index.js
+++ b/src/Screens/Home/index.js
@@ -101,6 +101,21 @@ function HomeScreen(props) {
             onBackgroundTag,
           );
 
+          // listen to the NFC on/off state on Android device
+          if (Platform.OS === 'android') {
+            NfcManager.setEventListener(
+              NfcEvents.StateChanged,
+              ({state} = {}) => {
+                NfcManager.cancelTechnologyRequest().catch(() => 0);
+                if (state === 'off') {
+                  setEnabled(false);
+                } else if (state === 'on') {
+                  setEnabled(true);
+                }
+              },
+            );
+          }
+
           Linking.addEventListener('url', (event) => {
             if (event.url) {
               onDeepLink(event.url, false);