diff --git a/.github/workflows/all_plugins.yaml b/.github/workflows/all_plugins.yaml
index cd6fc04857..895be3a29d 100644
--- a/.github/workflows/all_plugins.yaml
+++ b/.github/workflows/all_plugins.yaml
@@ -20,7 +20,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: 'Install Flutter'
-        run: ./.github/workflows/scripts/install-flutter.sh stable
+        run: ./.github/workflows/scripts/install-flutter.sh beta
       - name: 'Install Tools'
         run: |
           ./.github/workflows/scripts/install-tools.sh
diff --git a/packages/android_alarm_manager_plus/CHANGELOG.md b/packages/android_alarm_manager_plus/CHANGELOG.md
index 5357d57db9..173b57b33c 100644
--- a/packages/android_alarm_manager_plus/CHANGELOG.md
+++ b/packages/android_alarm_manager_plus/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.6.0-nullsafety.0
+
+- Migrated to null safety
+
 ## 0.5.0
 
 - Transfer to plus-plugins monorepo
diff --git a/packages/android_alarm_manager_plus/example/lib/main.dart b/packages/android_alarm_manager_plus/example/lib/main.dart
index 3b9e4542a2..e5a9e8e306 100644
--- a/packages/android_alarm_manager_plus/example/lib/main.dart
+++ b/packages/android_alarm_manager_plus/example/lib/main.dart
@@ -54,7 +54,10 @@ class AlarmManagerExampleApp extends StatelessWidget {
 }
 
 class _AlarmHomePage extends StatefulWidget {
-  _AlarmHomePage({Key key, this.title}) : super(key: key);
+  _AlarmHomePage({
+    Key key,
+    this.title,
+  }) : super(key: key);
   final String title;
 
   @override
@@ -140,7 +143,7 @@ class _AlarmHomePageState extends State<_AlarmHomePage> {
                 await AndroidAlarmManager.oneShot(
                   const Duration(seconds: 5),
                   // Ensure we have a unique alarm ID.
-                  Random().nextInt(pow(2, 31)),
+                  Random().nextInt(pow(2, 31).toInt()),
                   callback,
                   exact: true,
                   wakeup: true,
diff --git a/packages/android_alarm_manager_plus/example/pubspec.yaml b/packages/android_alarm_manager_plus/example/pubspec.yaml
index 7b09668ce7..07a32b3cd5 100644
--- a/packages/android_alarm_manager_plus/example/pubspec.yaml
+++ b/packages/android_alarm_manager_plus/example/pubspec.yaml
@@ -1,13 +1,17 @@
 name: android_alarm_manager_example
 description: Demonstrates how to use the android_alarm_manager_plus plugin.
 
+environment:
+  sdk: ">=2.10.0 <3.0.0"
+  flutter: ">=1.20.0 <2.0.0"
+
 dependencies:
   flutter:
     sdk: flutter
   android_alarm_manager_plus:
     path: ../
   shared_preferences: ^0.5.6
-  e2e: 0.3.0
+  integration_test: ^0.9.2
   path_provider: ^1.3.1
 
 dev_dependencies:
diff --git a/packages/android_alarm_manager_plus/example/test_driver/android_alarm_manager_plus_e2e.dart b/packages/android_alarm_manager_plus/example/test_driver/android_alarm_manager_plus_e2e.dart
index 862be800be..8bebf0b154 100644
--- a/packages/android_alarm_manager_plus/example/test_driver/android_alarm_manager_plus_e2e.dart
+++ b/packages/android_alarm_manager_plus/example/test_driver/android_alarm_manager_plus_e2e.dart
@@ -5,7 +5,7 @@
 import 'dart:async';
 import 'dart:io';
 import 'package:android_alarm_manager_plus/android_alarm_manager_plus.dart';
-import 'package:e2e/e2e.dart';
+import 'package:integration_test/integration_test.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:path_provider/path_provider.dart';
@@ -55,7 +55,7 @@ Future<void> incrementCounter() async {
 }
 
 void main() {
-  E2EWidgetsFlutterBinding.ensureInitialized();
+  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
 
   setUp(() async {
     await AndroidAlarmManager.initialize();
diff --git a/packages/android_alarm_manager_plus/example/test_driver/android_alarm_manager_plus_e2e_test.dart b/packages/android_alarm_manager_plus/example/test_driver/android_alarm_manager_plus_e2e_test.dart
index 8373a3afd1..3a4c43e30c 100644
--- a/packages/android_alarm_manager_plus/example/test_driver/android_alarm_manager_plus_e2e_test.dart
+++ b/packages/android_alarm_manager_plus/example/test_driver/android_alarm_manager_plus_e2e_test.dart
@@ -3,42 +3,19 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:async';
+import 'dart:convert';
 import 'dart:io';
 
+// ignore: import_of_legacy_library_into_null_safe
 import 'package:flutter_driver/flutter_driver.dart';
-import 'package:vm_service_client/vm_service_client.dart';
-
-Future<StreamSubscription<VMIsolateRef>> resumeIsolatesOnPause(
-    FlutterDriver driver) async {
-  final vm = await driver.serviceClient.getVM();
-  print('for isolates');
-  for (var isolateRef in vm.isolates) {
-    final isolate = await isolateRef.load();
-    if (isolate.isPaused) {
-      print('isolate.resume');
-      await isolate.resume();
-    }
-  }
-  return driver.serviceClient.onIsolateRunnable
-      .asBroadcastStream()
-      .listen((VMIsolateRef isolateRef) async {
-    print('onIsolateRunnable');
-    final isolate = await isolateRef.load();
-    if (isolate.isPaused) {
-      print('isolate.resume');
-      await isolate.resume();
-    }
-  });
-}
 
 Future<void> main() async {
   final driver = await FlutterDriver.connect();
-  // flutter drive causes isolates to be paused on spawn. The background isolate
-  // for this plugin will need to be resumed for the test to pass.
-  final subscription = await resumeIsolatesOnPause(driver);
-  final result =
-      await driver.requestData(null, timeout: const Duration(minutes: 5));
+  final data = await driver.requestData(
+    null,
+    timeout: const Duration(minutes: 1),
+  );
   await driver.close();
-  await subscription.cancel();
-  exit(result == 'pass' ? 0 : 1);
+  final Map<String, dynamic> result = jsonDecode(data);
+  exit(result['result'] == 'true' ? 0 : 1);
 }
diff --git a/packages/android_alarm_manager_plus/lib/android_alarm_manager_plus.dart b/packages/android_alarm_manager_plus/lib/android_alarm_manager_plus.dart
index d767833020..ff2e010f69 100644
--- a/packages/android_alarm_manager_plus/lib/android_alarm_manager_plus.dart
+++ b/packages/android_alarm_manager_plus/lib/android_alarm_manager_plus.dart
@@ -55,7 +55,7 @@ void _alarmManagerCallbackDispatcher() {
 // A lambda that returns the current instant in the form of a [DateTime].
 typedef _Now = DateTime Function();
 // A lambda that gets the handle for the given [callback].
-typedef _GetCallbackHandle = CallbackHandle Function(Function callback);
+typedef _GetCallbackHandle = CallbackHandle? Function(Function callback);
 
 /// A Flutter plugin for registering Dart callbacks with the Android
 /// AlarmManager service.
@@ -77,8 +77,10 @@ class AndroidAlarmManager {
   /// This is exposed for the unit tests. It should not be accessed by users of
   /// the plugin.
   @visibleForTesting
-  static void setTestOverides(
-      {_Now now, _GetCallbackHandle getCallbackHandle}) {
+  static void setTestOverides({
+    _Now? now,
+    _GetCallbackHandle? getCallbackHandle,
+  }) {
     _now = (now ?? _now);
     _getCallbackHandle = (getCallbackHandle ?? _getCallbackHandle);
   }
@@ -261,7 +263,7 @@ class AndroidAlarmManager {
     Duration duration,
     int id,
     Function callback, {
-    DateTime startAt,
+    DateTime? startAt,
     bool exact = false,
     bool wakeup = false,
     bool rescheduleOnReboot = false,
diff --git a/packages/android_alarm_manager_plus/pubspec.yaml b/packages/android_alarm_manager_plus/pubspec.yaml
index 077123c653..274c1bea9b 100644
--- a/packages/android_alarm_manager_plus/pubspec.yaml
+++ b/packages/android_alarm_manager_plus/pubspec.yaml
@@ -1,7 +1,7 @@
 name: android_alarm_manager_plus
 description: Flutter plugin for accessing the Android AlarmManager service, and
   running Dart code in the background when alarms fire.
-version: 0.5.0
+version: 0.6.0-nullsafety.0
 homepage: https://plus.fluttercommunity.dev/
 repository: https://github.com/fluttercommunity/plus_plugins/tree/main/packages/
 
@@ -12,7 +12,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  pedantic: ^1.9.0
+  pedantic: ^1.10.0-nullsafety.3
 
 flutter:
   plugin:
@@ -22,5 +22,5 @@ flutter:
         pluginClass: AndroidAlarmManagerPlugin
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
-  flutter: ">=1.12.13+hotfix.5 <2.0.0"
+  sdk: ">=2.12.0-29.10.beta <3.0.0"
+  flutter: ">=1.24.0-10.2.pre <2.0.0"
diff --git a/packages/android_alarm_manager_plus/test/android_alarm_manager_test.dart b/packages/android_alarm_manager_plus/test/android_alarm_manager_test.dart
index 0cfce073e7..c572406251 100644
--- a/packages/android_alarm_manager_plus/test/android_alarm_manager_test.dart
+++ b/packages/android_alarm_manager_plus/test/android_alarm_manager_test.dart
@@ -17,7 +17,8 @@ void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
   setUpAll(() {
-    testChannel.setMockMethodCallHandler((MethodCall call) => null);
+    testChannel
+        .setMockMethodCallHandler((MethodCall call) => Future.value(null));
   });
 
   test('${AndroidAlarmManager.initialize}', () async {