Rewrite copyleft code from stackoverflow

permission_handler_apple/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 9.4.8
+
+* Rewrite copyleft code from stackoverflow to fix compliance issue.
+
 ## 9.4.7
 
 * Increases minimum supported Flutter version to 3.3.0, and removes code only

permission_handler_apple/ios/Classes/strategies/PhonePermissionStrategy.m

@@ -17,8 +17,9 @@ - (PermissionStatus)checkPermissionStatus:(PermissionGroup)permission {
 }
 
 - (void)checkServiceStatus:(PermissionGroup)permission completionHandler:(ServiceStatusHandler)completionHandler {
-  // https://stackoverflow.com/a/5095058
-  if (![[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"tel://"]]) {
+  UIApplication *app = [UIApplication sharedApplication];
+  NSURL *telURL = [NSURL URLWithString:@"tel://"];
+  if (![app canOpenURL:telURL]) {
       completionHandler(ServiceStatusNotApplicable);
   }
   completionHandler([self canDevicePlaceAPhoneCall] ? ServiceStatusEnabled : ServiceStatusDisabled);
@@ -52,15 +53,14 @@ -(bool) canDevicePlaceAPhoneCall {
 }
 
 -(bool)canPlacePhoneCallWithCarrier:(CTCarrier *)carrier {
-  // https://stackoverflow.com/a/11595365
-  NSString *mnc = [carrier mobileNetworkCode];
-  if (([mnc length] == 0) || ([mnc isEqualToString:@"65535"])) {
-    // Device cannot place a call at this time.  SIM might be removed.
-    return NO;
-  } else {
-    // Device can place a phone call
-    return YES;
+  NSString *networkCode = [carrier mobileNetworkCode];
+  if (networkCode.length == 0 || [networkCode isEqualToString:@"65535"]) {
+      // Device is unable to initiate a call at this time. SIM might be missing.
+      return NO;
   }
+
+  // Mobile Network Code is valid and device can initiate a call
+  return YES;
 }
 
 @end

permission_handler_apple/pubspec.yaml

@@ -2,7 +2,7 @@ name: permission_handler_apple
 description: Permission plugin for Flutter. This plugin provides the iOS API to request and check permissions.
 repository: https://github.com/baseflow/flutter-permission-handler
 issue_tracker: https://github.com/Baseflow/flutter-permission-handler/issues
-version: 9.4.7
+version: 9.4.8
 
 environment:
   sdk: ">=2.18.0 <4.0.0"