update code sample to fix a potential bug; update changelog

@@ -2,6 +2,10 @@
 
 Bugs fixed:
 * Fixed a crash when the controller is disposed while it is still starting. [#1036](https://github.com/juliansteenbakker/mobile_scanner/pull/1036) (thanks @EArminjon !)
+* Fixed an issue that causes the initial torch state to be out of sync.
+
+Improvements:
+* Updated the lifeycle code sample to handle not-initialized controllers.
 
 ## 5.0.1
 

@@ -103,7 +103,11 @@ class MyState extends State<MyStatefulWidget> with WidgetsBindingObserver {
 
   @override
   void didChangeAppLifecycleState(AppLifecycleState state) {
-    super.didChangeAppLifecycleState(state);
+    // If the controller is not ready, do not try to start or stop it.
+    // Permission dialogs can trigger lifecycle changes before the controller is ready.
+    if (!controller.value.isInitialized) {
+      return;
+    }
 
     switch (state) {
       case AppLifecycleState.detached:

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleDisplayName</key>
@@ -28,6 +30,8 @@
 	<string>This app needs camera access to scan QR codes</string>
 	<key>NSPhotoLibraryUsageDescription</key>
 	<string>This app needs photos access to get QR code from photo library</string>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>
@@ -47,9 +51,5 @@
 	</array>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>
-	<key>CADisableMinimumFrameDurationOnPhone</key>
-	<true/>
-	<key>UIApplicationSupportsIndirectInputEvents</key>
-	<true/>	
 </dict>
 </plist>

@@ -63,7 +63,9 @@ class _BarcodeScannerWithControllerState
 
   @override
   void didChangeAppLifecycleState(AppLifecycleState state) {
-    super.didChangeAppLifecycleState(state);
+    if (!controller.value.isInitialized) {
+      return;
+    }
 
     switch (state) {
       case AppLifecycleState.detached:

@@ -4,7 +4,7 @@
 #
 Pod::Spec.new do |s|
   s.name             = 'mobile_scanner'
-  s.version          = '5.0.0'
+  s.version          = '5.0.2'
   s.summary          = 'An universal scanner for Flutter based on MLKit.'
   s.description      = <<-DESC
 An universal scanner for Flutter based on MLKit.

@@ -4,7 +4,7 @@
 #
 Pod::Spec.new do |s|
   s.name             = 'mobile_scanner'
-  s.version          = '5.0.0'
+  s.version          = '5.0.2'
   s.summary          = 'An universal scanner for Flutter based on MLKit.'
   s.description      = <<-DESC
 An universal scanner for Flutter based on MLKit.