From f428e5bd2e98b11d37a25847d6abeedab445fec8 Mon Sep 17 00:00:00 2001
From: Biruk Dubale <bdubale@alertus.com>
Date: Fri, 18 Dec 2020 11:26:26 -0500
Subject: [PATCH 1/2] [local_auth] Fix iOS app crash issue: alerts should be
 alled in the main thread

---
 packages/local_auth/CHANGELOG.md                     |  3 +++
 packages/local_auth/ios/Classes/FLTLocalAuthPlugin.m | 11 ++++++++---
 packages/local_auth/pubspec.yaml                     |  2 +-
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/packages/local_auth/CHANGELOG.md b/packages/local_auth/CHANGELOG.md
index d83798ad4889..cf4989f6a10e 100644
--- a/packages/local_auth/CHANGELOG.md
+++ b/packages/local_auth/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 1.0.1-nullsafety.1
+
+* Fix a crash in iOS on biometric lockout in the app
 ## 1.0.0-nullsafety
 
 * Migrate to null safety.
diff --git a/packages/local_auth/ios/Classes/FLTLocalAuthPlugin.m b/packages/local_auth/ios/Classes/FLTLocalAuthPlugin.m
index aa0c217ef543..46a8bb52d47e 100644
--- a/packages/local_auth/ios/Classes/FLTLocalAuthPlugin.m
+++ b/packages/local_auth/ios/Classes/FLTLocalAuthPlugin.m
@@ -62,9 +62,14 @@ - (void)alertMessage:(NSString *)message
                 }];
     [alert addAction:additionalAction];
   }
-  [[UIApplication sharedApplication].delegate.window.rootViewController presentViewController:alert
-                                                                                     animated:YES
-                                                                                   completion:nil];
+  @try {
+      dispatch_async(dispatch_get_main_queue(), ^{
+          [[UIApplication sharedApplication].delegate.window.rootViewController presentViewController:alert  animated:YES  completion:nil];
+      });
+  } @catch (NSException *exception) {
+      NSLog(@"Exception presentViewController: %@", exception);
+  } @finally {
+  }
 }
 
 - (void)getAvailableBiometrics:(FlutterResult)result {
diff --git a/packages/local_auth/pubspec.yaml b/packages/local_auth/pubspec.yaml
index f61f8b3ca4a7..30acd7264314 100644
--- a/packages/local_auth/pubspec.yaml
+++ b/packages/local_auth/pubspec.yaml
@@ -2,7 +2,7 @@ name: local_auth
 description: Flutter plugin for Android and iOS device authentication sensors
   such as Fingerprint Reader and Touch ID.
 homepage: https://github.com/flutter/plugins/tree/master/packages/local_auth
-version: 1.0.0-nullsafety
+version: 1.0.0-nullsafety.1
 
 flutter:
   plugin:

From bffe03453513a0da7b775cc2d11e9d5d19d43fdc Mon Sep 17 00:00:00 2001
From: Biruk Dubale <64862608+callbiruk@users.noreply.github.com>
Date: Tue, 30 Mar 2021 09:52:21 -0400
Subject: [PATCH 2/2] Update CHANGELOG.md

---
 packages/local_auth/CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/local_auth/CHANGELOG.md b/packages/local_auth/CHANGELOG.md
index 00d943744457..35ddb67d830b 100644
--- a/packages/local_auth/CHANGELOG.md
+++ b/packages/local_auth/CHANGELOG.md
@@ -1,6 +1,7 @@
 * Migrate to null safety.
 * Allow pin, passcode, and pattern authentication with `authenticate` method.
 * Fix incorrect error handling switch case fallthrough.
+* Fix crash on biometric lockout
 * Update README for Android Integration.
 * Update the example app: remove the deprecated `RaisedButton` and `FlatButton` widgets.
 * Fix outdated links across a number of markdown files ([#3276](https://github.com/flutter/plugins/pull/3276)).