From 605f4247f4ff9d7901dc8106eec53d2274e8dc25 Mon Sep 17 00:00:00 2001
From: Julian Steenbakker <juliansteenbakker@outlook.com>
Date: Fri, 5 Feb 2021 12:24:41 +0100
Subject: [PATCH] Fixed auto resuming while paused on Android

---
 .../main/kotlin/net/touchcapture/qr/flutterqr/QRView.kt    | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/android/src/main/kotlin/net/touchcapture/qr/flutterqr/QRView.kt b/android/src/main/kotlin/net/touchcapture/qr/flutterqr/QRView.kt
index f9a6314..e914f40 100644
--- a/android/src/main/kotlin/net/touchcapture/qr/flutterqr/QRView.kt
+++ b/android/src/main/kotlin/net/touchcapture/qr/flutterqr/QRView.kt
@@ -21,6 +21,7 @@ class QRView(messenger: BinaryMessenger, id: Int, private val params: HashMap<St
         PlatformView, MethodChannel.MethodCallHandler {
 
     private var isTorchOn: Boolean = false
+    private var isPaused: Boolean = false
     private var barcodeView: BarcodeView? = null
     private val channel: MethodChannel
 
@@ -30,13 +31,13 @@ class QRView(messenger: BinaryMessenger, id: Int, private val params: HashMap<St
         channel.setMethodCallHandler(this)
         Shared.activity?.application?.registerActivityLifecycleCallbacks(object : Application.ActivityLifecycleCallbacks {
             override fun onActivityPaused(p0: Activity) {
-                if (p0 == Shared.activity) {
+                if (p0 == Shared.activity && !isPaused) {
                     barcodeView?.pause()
                 }
             }
 
             override fun onActivityResumed(p0: Activity) {
-                if (p0 == Shared.activity) {
+                if (p0 == Shared.activity && !isPaused) {
                     barcodeView?.resume()
                 }
             }
@@ -140,6 +141,7 @@ class QRView(messenger: BinaryMessenger, id: Int, private val params: HashMap<St
         }
 
         if (barcodeView!!.isPreviewActive) {
+            isPaused = true
             barcodeView!!.pause()
         }
         result.success(true)
@@ -153,6 +155,7 @@ class QRView(messenger: BinaryMessenger, id: Int, private val params: HashMap<St
         }
 
         if (!barcodeView!!.isPreviewActive) {
+            isPaused = false
             barcodeView!!.resume()
         }
         result.success(true)