add types

packages/in_app_purchase/CHANGELOG.md

@@ -1,6 +1,7 @@
 ## 0.4.0-nullsafety.0
 
 * Migrate to nullsafety.
+* Deprecate `sandboxTesting`, introduce `simulatesAskToBuyInSandbox`.
 * **Breaking Change:**
   * Removed `callbackChannel` in `channels.dart`, see https://github.com/flutter/flutter/issues/69225.
 

packages/in_app_purchase/example/lib/main.dart

@@ -255,8 +255,7 @@ class _MyAppState extends State<_MyApp> {
                     onPressed: () {
                       PurchaseParam purchaseParam = PurchaseParam(
                           productDetails: productDetails,
-                          applicationUserName: null,
-                          sandboxTesting: true);
+                          applicationUserName: null);
                       if (productDetails.id == _kConsumableId) {
                         _connection.buyConsumable(
                             purchaseParam: purchaseParam,

packages/in_app_purchase/ios/Classes/InAppPurchasePlugin.m

@@ -290,7 +290,7 @@ - (void)refreshReceipt:(FlutterMethodCall *)call result:(FlutterResult)result {
   }];
 }
 
-#pragma mark - delegates
+#pragma mark - delegatestransactionIdentifier:
 
 - (void)handleTransactionsUpdated:(NSArray<SKPaymentTransaction *> *)transactions {
   NSMutableArray *maps = [NSMutableArray new];

packages/in_app_purchase/lib/src/billing_client_wrappers/enum_converters.dart

@@ -12,13 +12,18 @@ part 'enum_converters.g.dart';
 ///
 /// Use these in `@JsonSerializable()` classes by annotating them with
 /// `@BillingResponseConverter()`.
-class BillingResponseConverter implements JsonConverter<BillingResponse, int> {
+class BillingResponseConverter implements JsonConverter<BillingResponse, int?> {
   /// Default const constructor.
   const BillingResponseConverter();
 
   @override
-  BillingResponse fromJson(int json) => _$enumDecode<BillingResponse, dynamic>(
+  BillingResponse fromJson(int? json) {
+    if (json == null) {
+      return BillingResponse.error;
+    }
+    return _$enumDecode<BillingResponse, dynamic>(
       _$BillingResponseEnumMap.cast<BillingResponse, dynamic>(), json);
+  }
 
   @override
   int toJson(BillingResponse object) => _$BillingResponseEnumMap[object]!;
@@ -28,13 +33,18 @@ class BillingResponseConverter implements JsonConverter<BillingResponse, int> {
 ///
 /// Use these in `@JsonSerializable()` classes by annotating them with
 /// `@SkuTypeConverter()`.
-class SkuTypeConverter implements JsonConverter<SkuType, String> {
+class SkuTypeConverter implements JsonConverter<SkuType, String?> {
   /// Default const constructor.
   const SkuTypeConverter();
 
   @override
-  SkuType fromJson(String json) => _$enumDecode<SkuType, dynamic>(
+  SkuType fromJson(String? json) {
+    if (json == null) {
+      return SkuType.inapp;
+    }
+    return _$enumDecode<SkuType, dynamic>(
       _$SkuTypeEnumMap.cast<SkuType, dynamic>(), json);
+  }
 
   @override
   String toJson(SkuType object) => _$SkuTypeEnumMap[object]!;
@@ -53,15 +63,19 @@ class _SerializedEnums {
 /// Use these in `@JsonSerializable()` classes by annotating them with
 /// `@PurchaseStateConverter()`.
 class PurchaseStateConverter
-    implements JsonConverter<PurchaseStateWrapper, int> {
+    implements JsonConverter<PurchaseStateWrapper, int?> {
   /// Default const constructor.
   const PurchaseStateConverter();
 
   @override
-  PurchaseStateWrapper fromJson(int json) =>
-      _$enumDecode<PurchaseStateWrapper, dynamic>(
+  PurchaseStateWrapper fromJson(int? json) {
+      if (json == null) {
+        return PurchaseStateWrapper.unspecified_state;
+      }
+      return _$enumDecode<PurchaseStateWrapper, dynamic>(
           _$PurchaseStateWrapperEnumMap.cast<PurchaseStateWrapper, dynamic>(),
           json);
+  }
 
   @override
   int toJson(PurchaseStateWrapper object) =>

packages/in_app_purchase/lib/src/billing_client_wrappers/purchase_wrapper.dart

@@ -40,7 +40,7 @@ class PurchaseWrapper {
       required this.purchaseState});
 
   /// Factory for creating a [PurchaseWrapper] from a [Map] with the purchase details.
-  factory PurchaseWrapper.fromJson(Map map) => _$PurchaseWrapperFromJson(map);
+  factory PurchaseWrapper.fromJson(Map<String, dynamic> map) => _$PurchaseWrapperFromJson(map);
 
   @override
   bool operator ==(Object other) {
@@ -74,22 +74,28 @@ class PurchaseWrapper {
 
   /// The unique ID for this purchase. Corresponds to the Google Payments order
   /// ID.
+  @JsonKey(defaultValue: '')
   final String orderId;
 
   /// The package name the purchase was made from.
+  @JsonKey(defaultValue: '')
   final String packageName;
 
   /// When the purchase was made, as an epoch timestamp.
+  @JsonKey(defaultValue: 0)
   final int purchaseTime;
 
   /// A unique ID for a given [SkuDetailsWrapper], user, and purchase.
+  @JsonKey(defaultValue: '')
   final String purchaseToken;
 
   /// Signature of purchase data, signed with the developer's private key. Uses
   /// RSASSA-PKCS1-v1_5.
+  @JsonKey(defaultValue: '')
   final String signature;
 
   /// The product ID of this purchase.
+  @JsonKey(defaultValue: '')
   final String sku;
 
   /// True for subscriptions that renew automatically. Does not apply to
@@ -105,15 +111,18 @@ class PurchaseWrapper {
   /// device"](https://developer.android.com/google/play/billing/billing_library_overview#Verify-purchase-device).
   /// Note though that verifying a purchase locally is inherently insecure (see
   /// the article for more details).
+  @JsonKey(defaultValue: '')
   final String originalJson;
 
   /// The payload specified by the developer when the purchase was acknowledged or consumed.
+  @JsonKey(defaultValue: '')
   final String developerPayload;
 
   /// Whether the purchase has been acknowledged.
   ///
   /// A successful purchase has to be acknowledged within 3 days after the purchase via [BillingClient.acknowledgePurchase].
   /// * See also [BillingClient.acknowledgePurchase] for more details on acknowledging purchases.
+  @JsonKey(defaultValue: false)
   final bool isAcknowledged;
 
   /// Determines the current state of the purchase.
@@ -146,20 +155,24 @@ class PurchaseHistoryRecordWrapper {
   });
 
   /// Factory for creating a [PurchaseHistoryRecordWrapper] from a [Map] with the record details.
-  factory PurchaseHistoryRecordWrapper.fromJson(Map map) =>
+  factory PurchaseHistoryRecordWrapper.fromJson(Map<String, dynamic> map) =>
       _$PurchaseHistoryRecordWrapperFromJson(map);
 
   /// When the purchase was made, as an epoch timestamp.
+  @JsonKey(defaultValue: 0) 
   final int purchaseTime;
 
   /// A unique ID for a given [SkuDetailsWrapper], user, and purchase.
+  @JsonKey(defaultValue: '')
   final String purchaseToken;
 
   /// Signature of purchase data, signed with the developer's private key. Uses
   /// RSASSA-PKCS1-v1_5.
+  @JsonKey(defaultValue: '')
   final String signature;
 
   /// The product ID of this purchase.
+  @JsonKey(defaultValue: '')
   final String sku;
 
   /// Details about this purchase, in JSON.
@@ -168,9 +181,11 @@ class PurchaseHistoryRecordWrapper {
   /// device"](https://developer.android.com/google/play/billing/billing_library_overview#Verify-purchase-device).
   /// Note though that verifying a purchase locally is inherently insecure (see
   /// the article for more details).
+  @JsonKey(defaultValue: '')
   final String originalJson;
 
   /// The payload specified by the developer when the purchase was acknowledged or consumed.
+  @JsonKey(defaultValue: '')
   final String developerPayload;
 
   @override
@@ -232,11 +247,13 @@ class PurchasesResultWrapper {
   ///
   /// This can represent either the status of the "query purchase history" half
   /// of the operation and the "user made purchases" transaction itself.
+  @JsonKey(defaultValue: BillingResponse.error)
   final BillingResponse responseCode;
 
   /// The list of successful purchases made in this transaction.
   ///
   /// May be empty, especially if [responseCode] is not [BillingResponse.ok].
+  @JsonKey(defaultValue: <PurchaseWrapper>[])
   final List<PurchaseWrapper> purchasesList;
 }
 
@@ -273,6 +290,7 @@ class PurchasesHistoryResult {
   /// The list of queried purchase history records.
   ///
   /// May be empty, especially if [billingResult.responseCode] is not [BillingResponse.ok].
+  @JsonKey(defaultValue: <PurchaseHistoryRecordWrapper>[])
   final List<PurchaseHistoryRecordWrapper> purchaseHistoryRecordList;
 }