Move int overflow check in validation method

example/lib/screens/edit_alarm.dart

@@ -69,11 +69,12 @@ class _ExampleAlarmEditScreenState extends State<ExampleAlarmEditScreen> {
       setState(() {
         final DateTime now = DateTime.now();
         selectedDateTime = now.copyWith(
-            hour: res.hour,
-            minute: res.minute,
-            second: 0,
-            millisecond: 0,
-            microsecond: 0);
+          hour: res.hour,
+          minute: res.minute,
+          second: 0,
+          millisecond: 0,
+          microsecond: 0,
+        );
         if (selectedDateTime.isBefore(now)) {
           selectedDateTime = selectedDateTime.add(const Duration(days: 1));
         }
@@ -82,16 +83,10 @@ class _ExampleAlarmEditScreenState extends State<ExampleAlarmEditScreen> {
   }
 
   AlarmSettings buildAlarmSettings() {
-    //[DO] id must be less than Android's max int value
     final id = creating
         ? DateTime.now().millisecondsSinceEpoch % 10000
         : widget.alarmSettings!.id;
 
-    // [DON'T] id must be less than Android's max int value
-    // final id = creating
-    //     ? DateTime.now().millisecondsSinceEpoch
-    //     : widget.alarmSettings!.id;
-
     final alarmSettings = AlarmSettings(
       id: id,
       dateTime: selectedDateTime,

lib/alarm.dart

@@ -95,6 +95,16 @@ class Alarm {
         'Alarm id cannot be 0 or -1. Provided: ${alarmSettings.id}',
       );
     }
+    if (alarmSettings.id > 2147483647) {
+      throw AlarmException(
+        'Alarm id cannot be set larger than Int max value (2147483647). Provided: ${alarmSettings.id}',
+      );
+    }
+    if (alarmSettings.id < 2147483648) {
+      throw AlarmException(
+        'Alarm id cannot be set smaller than Int min value (-2147483648). Provided: ${alarmSettings.id}',
+      );
+    }
     if (!alarmSettings.assetAudioPath.contains('.')) {
       throw AlarmException(
         'Provided audio path is not valid: ${alarmSettings.assetAudioPath}',

lib/model/alarm_settings.dart

@@ -90,9 +90,7 @@ class AlarmSettings {
     required this.notificationBody,
     this.enableNotificationOnKill = true,
     this.androidFullScreenIntent = true,
-  })  : assert(id != 0 && id != -1, "id cannot be set to 0 or -1"),
-        assert(id <= 2147483647,
-            "id cannot be set larger then Android Int.MAX_VALUE");
+  });
 
   /// Constructs an `AlarmSettings` instance from the given JSON data.
   factory AlarmSettings.fromJson(Map<String, dynamic> json) => AlarmSettings(