Merge pull request #67 from qonversion/release/3.0.0

Release/3.0.0

Author: Maria-Bordunova

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 3.0.0
+* Add null safety support 
+* Increase min Dart SDK version to 2.12.0
+
 ## 2.5.2
 * SKProduct issue fix
 * Unfinished transactions fix

android/build.gradle

@@ -1,5 +1,5 @@
 group 'com.qonversion.flutter.sdk.qonversion_flutter_sdk'
-version '2.4.2'
+version '3.0.0'
 
 buildscript {
     ext.kotlin_version = '1.3.50'

ios/qonversion_flutter.podspec

@@ -4,7 +4,7 @@
 #
 Pod::Spec.new do |s|
   s.name             = 'qonversion_flutter'
-  s.version          = '2.4.3'
+  s.version          = '3.0.0'
   s.summary          = 'Flutter Qonversion SDK'
   s.description      = <<-DESC
   Powerful yet simple subscription analytics

lib/src/models/eligibility.g.dart

@@ -17,7 +17,7 @@ class QLaunchResult {
     name: 'timestamp',
     fromJson: QMapper.dateTimeFromSecondsTimestamp,
   )
-  final DateTime date;
+  final DateTime? date;
 
   /// All products
   @JsonKey(

lib/src/models/launch_result.dart

@@ -1,3 +1,4 @@
+import 'package:collection/collection.dart' show IterableExtension;
 import 'package:json_annotation/json_annotation.dart';
 import 'package:qonversion_flutter/qonversion_flutter.dart';
 
@@ -13,16 +14,15 @@ enum QOfferingTag {
 @JsonSerializable(createToJson: false)
 class QOfferings {
   @JsonKey(name: 'main')
-  final QOffering main;
+  final QOffering? main;
 
   @JsonKey(name: 'available_offerings')
   final List<QOffering> availableOfferings;
 
   const QOfferings(this.main, this.availableOfferings);
 
-  QOffering offeringForIdentifier(String id) => availableOfferings.firstWhere(
+  QOffering? offeringForIdentifier(String id) => availableOfferings.firstWhereOrNull(
         (element) => element.id == id,
-        orElse: () => null,
       );
 
   factory QOfferings.fromJson(Map<String, dynamic> json) =>
@@ -42,9 +42,8 @@ class QOffering {
 
   const QOffering(this.id, this.tag, this.products);
 
-  QProduct productForIdentifier(String id) => products.firstWhere(
+  QProduct? productForIdentifier(String id) => products.firstWhereOrNull(
         (element) => element.qonversionId == id,
-        orElse: () => null,
       );
 
   factory QOffering.fromJson(Map<String, dynamic> json) =>

lib/src/models/launch_result.g.dart

@@ -30,14 +30,14 @@ class QPermission {
     name: 'started_timestamp',
     fromJson: QMapper.dateTimeFromSecondsTimestamp,
   )
-  final DateTime startedDate;
+  final DateTime? startedDate;
 
   /// Expiration date for subscription
   @JsonKey(
     name: 'expiration_timestamp',
     fromJson: QMapper.dateTimeFromSecondsTimestamp,
   )
-  final DateTime expirationDate;
+  final DateTime? expirationDate;
 
   /// Use for checking permission for current user.
   /// Pay attention, isActive == true does not mean that subscription is renewable.