Updated nocodes logic and dart version

.gitignore

@@ -7,4 +7,8 @@
 build/
 .idea
 
-lib/*.jar
+lib/*.jar
+
+# Local configuration files
+local.properties
+**/local.properties

android/build.gradle

@@ -51,6 +51,6 @@ android {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation "io.qonversion:sandwich:7.0.0"
+    implementation "io.qonversion:sandwich:7.1.0"
     implementation 'com.google.code.gson:gson:2.9.0'
 }

ios/Classes/FlutterError+Custom.swift

@@ -29,14 +29,21 @@ extension FlutterError {
                                                details: "")
 
   private static func mapSandwichError(_ error: SandwichError, errorCode: String, errorMessage: String? = nil) -> FlutterError {
+    var message = ""
+
+    if let errorMessage = errorMessage {
+      message = errorMessage + ". "
+    }
+    message += error.details
+
     var details = "Qonversion Error Code: \(error.code)"
 
     if let additionalMessage = error.additionalMessage {
       details = "\(details). Additional Message: \(additionalMessage)"
     }
 
     return FlutterError(code: errorCode,
-                        message: error.details,
+                        message: message,
                         details: details)
   }
 }

ios/qonversion_flutter.podspec

@@ -16,7 +16,7 @@ Pod::Spec.new do |s|
   s.source_files = 'Classes/**/*'
   s.dependency 'Flutter'
   s.platform = :ios, '13.0'
-  s.dependency "QonversionSandwich", "7.0.0"
+  s.dependency "QonversionSandwich", "7.1.0"
 
   # Flutter.framework does not contain a i386 slice. Only x86_64 simulators are supported.
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'VALID_ARCHS[sdk=iphonesimulator*]' => 'x86_64' }

lib/qonversion_flutter.dart

@@ -19,6 +19,7 @@ export 'src/dto/purchase_options_builder.dart';
 export 'src/dto/purchase_update_model.dart';
 export 'src/dto/purchase_update_policy.dart';
 export 'src/dto/purchase_exception.dart';
+export 'src/dto/qonversion_exception.dart';
 export 'src/dto/subscription_period.dart';
 export 'src/dto/qonversion_error.dart';
 export 'src/dto/qonversion_error_code.dart';

lib/src/dto/qonversion_exception.dart

@@ -0,0 +1,27 @@
+import 'qonversion_error_code.dart';
+
+/// General Qonversion exception for all non-purchase related errors
+class QonversionException implements Exception {
+  /// Qonversion Error Code
+  ///
+  /// See more in [documentation](https://documentation.qonversion.io/docs/handling-errors)
+  final String code;
+
+  /// Error description
+  final String message;
+
+  /// Additional error info
+  final String? details;
+
+  const QonversionException(
+    this.code,
+    this.message,
+    this.details,
+  );
+
+  @override
+  String toString() {
+    return 'QonversionException.\nCode: $code, Description: $message, Additional Message: $details';
+  }
+}
+

lib/src/internal/nocodes_internal.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:io';
 import 'package:flutter/services.dart';
+import 'package:qonversion_flutter/src/dto/qonversion_exception.dart';
 import 'package:qonversion_flutter/src/internal/qonversion_internal.dart';
 import '../dto/nocodes_events.dart';
 import '../dto/presentation_config.dart';
@@ -36,7 +37,10 @@ class NoCodesInternal implements NoCodes {
       Constants.kSource: Constants.sdkSource,
       if (config.proxyUrl != null) Constants.kProxyUrl: config.proxyUrl,
     };
-    _channel.invokeMethod(Constants.mInitializeNoCodes, args);
+    // Initialize is fire-and-forget, errors will be handled in subsequent calls
+    _channel.invokeMethod(Constants.mInitializeNoCodes, args).catchError((error) {
+      // Silently ignore initialization errors
+    });
   }
 
   @override
@@ -132,11 +136,19 @@ class NoCodesInternal implements NoCodes {
       return;
     }
 
-    final args = {
-      Constants.kConfig: config.toMap(),
-      if (contextKey != null) Constants.kContextKey: contextKey,
-    };
-    await _channel.invokeMethod(Constants.mSetScreenPresentationConfig, args);
+    try {
+      final args = {
+        Constants.kConfig: config.toMap(),
+        if (contextKey != null) Constants.kContextKey: contextKey,
+      };
+      await _channel.invokeMethod(Constants.mSetScreenPresentationConfig, args);
+    } on PlatformException catch (e) {
+      throw QonversionException(
+        e.code,
+        e.message ?? "",
+        e.details,
+      );
+    }
   }
 
   @override
@@ -145,7 +157,15 @@ class NoCodesInternal implements NoCodes {
       return;
     }
 
-    await _channel.invokeMethod(Constants.mShowNoCodesScreen, {Constants.kContextKey: contextKey});
+    try {
+      await _channel.invokeMethod(Constants.mShowNoCodesScreen, {Constants.kContextKey: contextKey});
+    } on PlatformException catch (e) {
+      throw QonversionException(
+        e.code,
+        e.message ?? "",
+        e.details,
+      );
+    }
   }
 
   @override
@@ -154,6 +174,14 @@ class NoCodesInternal implements NoCodes {
       return;
     }
 
-    await _channel.invokeMethod(Constants.mCloseNoCodes);
+    try {
+      await _channel.invokeMethod(Constants.mCloseNoCodes);
+    } on PlatformException catch (e) {
+      throw QonversionException(
+        e.code,
+        e.message ?? "",
+        e.details,
+      );
+    }
   }
 }