Replace init() with isBuilt

example/lib/my_app.dart

@@ -30,7 +30,7 @@ class _MyAppState extends State<MyApp> {
   late Amplitude analytics;
 
   initAnalytics() async {
-    await analytics.init();
+    await analytics.isBuilt;
 
     setMessage('Amplitude initialized');
   }

lib/amplitude.dart

@@ -12,26 +12,36 @@ import 'package:amplitude_flutter/events/group_identify_event.dart';
 class Amplitude {
   Configuration configuration;
   MethodChannel _channel = const MethodChannel("amplitude_flutter");
-
-  /// Returns an Amplitude instance
+  /// Whether the Amplitude instance has been successfully initialized
   ///
-  /// Call `init()` to initialize underlying SDKs on native platforms
   /// ```
   /// var amplitude = Amplitude(Configuration(apiKey: "apiKey"));
-  /// await amplitude.init();
+  /// // If care about init complete
+  /// await amplitude.isBuilt;
   /// ```
-  Amplitude(this.configuration);
+  late Future<bool> isBuilt;
 
-  /// Initializes an Amplitude instance
+  /// Returns an Amplitude instance
   ///
   /// ```
   /// var amplitude = Amplitude(Configuration(apiKey: "apiKey"));
-  /// await amplitude.init();
+  /// // If care about init complete
+  /// await amplitude.isBuilt;
   /// ```
-  Future<void> init([MethodChannel? methodChannel]) async {
+  Amplitude(this.configuration, [MethodChannel? methodChannel]){
     _channel = methodChannel ?? this._channel;
-    return await _channel.invokeMethod(
-        "init", this.configuration.toMap());
+    isBuilt = _init();
+  }
+
+  /// Private method to initialize and return a Future<bool>
+  Future<bool> _init() async {
+    try {
+      await _channel.invokeMethod("init", configuration.toMap());
+      return true; // Initialization successful
+    } catch (e) {
+      print("Error initializing Amplitude: $e");
+      return false; // Initialization failed
+    }
   }
 
   /// Tracks an event. Events are saved locally.

test/amplitude_test.dart

@@ -100,8 +100,8 @@ void main() {
     mockChannel = MockMethodChannel();
     when(mockChannel.invokeListMethod("init", any))
         .thenAnswer((_) async => null);
-    amplitude = Amplitude(testConfiguration);
-    await amplitude.init(mockChannel);
+    amplitude = Amplitude(testConfiguration, mockChannel);
+    await amplitude.isBuilt;
   });
 
   test("Should init and track call MethodChannel", () async {