fix: fixed rudder_logger un-initialized issue

packages/example/.gitignore

@@ -38,3 +38,4 @@ app.*.symbols
 
 # Obfuscation related
 app.*.map.json
+.env

packages/example/README.md

@@ -0,0 +1,3 @@
+## Pre-requisites to run the Example app:
+
+*  Make a copy of the `sample.env` and rename it as `.env` and replace the values of `WRITE_KEY` and `DATA_PLANE_URL` with the actual values form your Rudderstack Dashboard.

packages/example/lib/home_screen.dart

@@ -0,0 +1,182 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_dotenv/flutter_dotenv.dart';
+import 'package:rudder_sdk_flutter/RudderController.dart';
+import 'package:rudder_integration_appcenter_flutter/rudder_integration_appcenter_flutter.dart';
+import 'package:rudder_integration_amplitude_flutter/rudder_integration_amplitude_flutter.dart';
+import 'package:rudder_integration_braze_flutter/rudder_integration_braze_flutter.dart';
+import 'package:rudder_integration_firebase_flutter/rudder_integration_firebase_flutter.dart';
+import 'package:rudder_sdk_flutter_platform_interface/platform.dart';
+
+class PlatformChannel extends StatefulWidget {
+  const PlatformChannel({Key? key}) : super(key: key);
+
+  @override
+  _PlatformChannelState createState() => _PlatformChannelState();
+}
+
+class _PlatformChannelState extends State<PlatformChannel> {
+  final RudderController rudderClient = RudderController.instance;
+
+  void __identify() {
+    RudderTraits traits = RudderTraits()
+        .putName("Sai Venkat")
+        .putAge("22")
+        .putEmail("[email protected]");
+    rudderClient.identify("161FA04009", traits: traits);
+    setOutput(
+        "identify : \nname:Sai Venkat\nage: 22\nemail:[email protected]"
+        "\nuserId: 161FA04009\ntraits:empty");
+  }
+
+  void __initialize() {
+    MobileConfig mc = MobileConfig(autoCollectAdvertId: false);
+    RudderConfigBuilder builder = RudderConfigBuilder();
+    builder.withFactory(RudderIntegrationAppcenterFlutter());
+    builder.withFactory(RudderIntegrationFirebaseFlutter());
+    builder.withFactory(RudderIntegrationBrazeFlutter());
+    builder.withFactory(RudderIntegrationAmplitudeFlutter());
+    builder.withDataPlaneUrl(
+        dotenv.env['DATA_PLANE_URL'] ?? "https://hosted.rudderlabs.com");
+    builder.withMobileConfig(mc);
+    builder.withLogLevel(RudderLogger.VERBOSE);
+    String writeKey = dotenv.env['WRITE_KEY'] ?? "INVALID_WRITE_KEY";
+    rudderClient.initialize(writeKey, config: builder.build(), options: null);
+
+    setOutput("initialize:\nwriteKey: $writeKey");
+  }
+
+  void __track() {
+    RudderProperty property = RudderProperty();
+    property.put("colour", "red");
+    property.put("manufacturer", "hyundai");
+    property.put("model", "i20");
+    property.put("marks", [1, 2, 3, 4]);
+    property.put("something nested", [
+      {
+        "nest_2": [76, 78],
+        "nest_2_1": {"nest_2_2": "some val"}
+      },
+      {
+        "string_arr": ["a", "b"]
+      }
+    ]);
+    RudderOption options = RudderOption();
+    options.putIntegration("All", true);
+    options.putIntegration("Mixpanel", false);
+    rudderClient.track("Went on a drive web",
+        properties: property, options: options);
+
+    setOutput(
+        "track:\n\tproperty:\n\t\tcolour:red\n\t\tmanufacturer:hyundai\n\t\tmodel:i20"
+        "\n\toptions:\n\t\tall:false\n\t\tMixpanel:false\n\tevent: Went on a drive");
+  }
+
+  void __screen() {
+    RudderProperty screenProperty = RudderProperty();
+    screenProperty.put("browser", "chrome");
+    screenProperty.put("device", "mac book pro");
+    rudderClient.screen("Walmart Cart web",
+        category: "home", properties: screenProperty, options: null);
+
+    setOutput(
+        "screen:\n\tproperty:\n\t\tbrowser: chrome\n\t\tdevice: mac book pro\n\t\tname:Walmart Cart");
+  }
+
+  void __optOut() {
+    rudderClient.optOut(true);
+  }
+
+  void __optIn() {
+    rudderClient.optOut(false);
+  }
+
+  void __group() {
+    RudderTraits groupTraits = RudderTraits();
+    groupTraits.put("place", "kolkata");
+    groupTraits.put("size", "fifteen");
+    rudderClient.group("Integrations-Rudder", groupTraits: groupTraits);
+    setOutput(
+        "group\n\ttraits:\n\t\tplace:kolkata\n\t\tsize:fifteen\n\tid: Integrations-Rudder");
+  }
+
+  void __reset() {
+    rudderClient.reset();
+    setOutput("reset");
+  }
+
+  void __alias() {
+    rudderClient.alias("4009");
+    setOutput("alias : 4009");
+  }
+
+  Future<void> __getRudderContext() async {
+    Map? context = await rudderClient.getRudderContext();
+    setOutput(context.toString());
+  }
+
+//text to be displayed
+  String _output = "";
+
+  void setOutput(String text) {
+    setState(() {
+      _output = "output - $text";
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Scaffold(
+        body: Center(
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+            children: [
+              const Text("This is Home screen"),
+              ElevatedButton(
+                onPressed: __initialize,
+                child: const Text('Initialize SDK'),
+              ),
+              ElevatedButton(
+                onPressed: __identify,
+                child: const Text('Identify call'),
+              ),
+              ElevatedButton(
+                onPressed: __track,
+                child: const Text('Track'),
+              ),
+              ElevatedButton(
+                onPressed: __screen,
+                child: const Text('Screen'),
+              ),
+              ElevatedButton(
+                onPressed: __group,
+                child: const Text('Group'),
+              ),
+              ElevatedButton(
+                onPressed: __reset,
+                child: const Text('Reset'),
+              ),
+              ElevatedButton(
+                onPressed: __alias,
+                child: const Text('Alias'),
+              ),
+              ElevatedButton(
+                child: const Text('Rudder Context'),
+                onPressed: () async => await __getRudderContext(),
+              ),
+              ElevatedButton(
+                onPressed: __getRudderContext,
+                child: const Text('Set Advertsing ID'),
+              ),
+              ElevatedButton(
+                child: const Text('Go to screen 2'),
+                onPressed: () => Navigator.of(context).pushNamed('screen2'),
+              ),
+              Text(_output)
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}