fix: isDeviceSupported on ios

Author: techno-disaster

packages/local_auth/local_auth/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.1.8
+
+* Implement isDeviceSupported for ios.
+
 ## 2.1.7
 
 * Adds pub topics to package metadata.

packages/local_auth/local_auth/pubspec.yaml

@@ -3,7 +3,7 @@ description: Flutter plugin for Android and iOS devices to allow local
   authentication via fingerprint, touch ID, face ID, passcode, pin, or pattern.
 repository: https://github.com/flutter/packages/tree/main/packages/local_auth/local_auth
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+local_auth%22
-version: 2.1.7
+version: 2.1.8
 
 environment:
   sdk: ">=3.0.0 <4.0.0"

packages/local_auth/local_auth_ios/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.1.5
+
+* Implement isDeviceSupported for ios.
+
 ## 1.1.4
 
 * Adds pub topics to package metadata.

packages/local_auth/local_auth_ios/ios/Classes/FLTLocalAuthPlugin.m

@@ -147,9 +147,13 @@ - (nullable NSNumber *)deviceCanSupportBiometricsWithError:
 
 - (nullable NSNumber *)isDeviceSupportedWithError:
     (FlutterError *_Nullable __autoreleasing *_Nonnull)error {
-  // TODO(stuartmorgan): Fix this to check for biometrics or passcode; see
-  // https://github.com/flutter/flutter/issues/116179
-  return @YES;
+  LAContext *context = [[LAContext alloc] init];
+  NSError *authError = nil;
+  if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthentication error:&authError]) {
+    return @YES;
+  } else {
+    return @NO;
+  }
 }
 
 #pragma mark Private Methods

packages/local_auth/local_auth_ios/pubspec.yaml

@@ -2,7 +2,7 @@ name: local_auth_ios
 description: iOS implementation of the local_auth plugin.
 repository: https://github.com/flutter/packages/tree/main/packages/local_auth/local_auth_ios
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+local_auth%22
-version: 1.1.4
+version: 1.1.5
 
 environment:
   sdk: ">=3.0.0 <4.0.0"