implemented intent receiver

packages/simple_intent_receiver/lib/src/intent_receiver.dart

@@ -0,0 +1,33 @@
+import 'dart:async';
+
+import 'package:flutter/services.dart';
+import 'package:simple_intent_receiver/src/pigeons/intent.g.dart';
+
+class IntentReceiver extends IntentEvents {
+  final _controller = StreamController<Intent>();
+  int? _lastAdded;
+
+  Stream<Intent> get events => _controller.stream;
+
+  @override
+  void onIntentReceived(int timestamp, Intent intent) {
+    if (_lastAdded == null || timestamp > _lastAdded!) {
+      _controller.add(intent);
+    }
+  }
+
+  IntentReceiver.setUp({
+    BinaryMessenger? binaryMessenger,
+    String messageChannelSuffix = '',
+  }) {
+    IntentEvents.setUp(
+      this,
+      binaryMessenger: binaryMessenger,
+      messageChannelSuffix: messageChannelSuffix,
+    );
+  }
+
+  Future<void> dispose() async {
+    await _controller.close();
+  }
+}