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ΞϓϦ՝ۚ
ϓϥάΠϯͷݱঢ়
2019/03/26 Flutter Meetup Tokyo #8
Տຊ ହ
Present situation of in-app purchase in Flutter
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2
ΞδΣϯμ
• ࣗݾհ
• ΞϓϦ՝ۚͱ
• ΞϓϦ՝ۚͷ5ͭͷϓϥάΠϯ
• ·ͱΊ
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• Տຊ ହ(Yasutaka Kawamoto)
• ॴଐɿגࣜձࣾ tech vein (େࡕ)
• ϞόΠϧΞϓϦΤϯδχΞ
• GitHub: kwmt
twitter: kwmt27
• Google I/O2018 ॳࢀՃ
• Flutterྺɿ9ϲ݄
3
ࣗݾհ
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ιϑτΣΞσβΠϯ20194݄ʹدߘ͠·ͨ͠
ʮॳग़ɿٕज़ධࣾץʰιϑτΣΞσβΠϯ20194݄߸ʱʯ
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ΞϓϦ՝ۚ(ఆظߪೖ)Λ࣮ͨ͠ΞϓϦΛϦϦʔε
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ΞϓϦ՝ۚ(ఆظߪೖ)Λ࣮ͨ͠ΞϓϦΛϦϦʔε
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ΞϓϦ՝ۚը໘
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ΞϓϦ՝ۚͱ
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8
ΞϓϦ՝ۚ
• ΞϓϦͷίϯςϯπΛߪೖͰ͖ΔΈ
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ΞϓϦ՝ۚͷछྨ(App Store)
छྨ આ໌(ίϯςϯπͷྫ)
ఆظߪಡ
݄୯Ґ୯ҐͰ՝ۚ͞Εɺղ͢Δ·Ͱܧଓ͢
Δͷɻ(ఆظߪಡͷ৽ฉͳͲ)
ফඅܕ
ඞཁͳͱ͖ʹຖճߪೖ͢ΔλΠϓͰແྉͰ࠶μ
ϯϩʔυͰ͖ͳ͍ͷɻ(ήʔϜͷ௨՟ͳͲ)
ඇফඅܕ
1ճͷΈߪೖ͕ՄೳͰͦΕҎ߱AppleIDʹؔ࿈
͚ΕΒΕ͍ͯΔσόΠεʹసૹͰ͖Δͷɻ
(ࠂͷআͳͲ)
https://support.apple.com/ja-jp/HT202023
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ΞϓϦ՝ۚͷछྨ(Google Play)
छྨ આ໌(ίϯςϯπͷྫ)
ఆظߪೖ
(Subscriptions)
Ϣʔβʔ͚ίϯςϯπɺαʔϏεɺػ
ೳΛΞϓϦͰ݄୯Ґ·ͨ୯ҐͰ
՝ۚͰ͖Δͷɻ(ΦϯϥΠϯࡶࢽͳͲ)
ཧରͷ
ΞϓϦΞΠςϜ
(One-time
products)
ຖճࢧ͍͕ඞཁͳͷɻ
(ήʔϜ௨՟ɺ৯ྐɺढจͳͲ)
https://developer.android.com/google/play/billing/api.html?hl=ja#producttypes
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ΞϓϦ՝ۚͷछྨ
App Store Google Play
ఆظߪಡ ఆظߪೖ
ফඅܕ
ཧରͷ
ΞϓϦΞΠςϜ
ඇফඅܕ
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11
ΞϓϦ՝ۚͷछྨ
App Store Google Play
ఆظߪಡ ఆظߪೖ
ফඅܕ
ཧରͷ
ΞϓϦΞΠςϜ
ඇফඅܕ
ఆظߪೖ
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ΞϓϦ՝ۚͷछྨ
App Store Google Play
ఆظߪಡ ఆظߪೖ
ফඅܕ
ཧରͷ
ΞϓϦΞΠςϜ
ඇফඅܕ
ఆظߪೖ
ఆظߪೖҎ֎
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ΞϓϦ՝ۚͷ5ͭͷϓϥάΠϯ
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13
ΞϓϦ՝ۚͷ5ͭͷϓϥάΠϯ
1.flutter_inapp_purchase
2.flutter_billing
3.iap
4.flutter_payments
5.in_app_purchase
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14
1. flutter_inapp_purchase (Basic)
ఆظߪೖ Մೳ
ఆظߪೖҎ֎ Մೳ
Overall score 97
GitHub star 196
last updated Mar 18, 2019
version 0.9.2
Dart code static methods
AndroidɺiOS javaɺobj-c
※2019/03/24࣌ͷσʔλ
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15
1. flutter_inapp_purchase (How to use)
class IAPDataSource {
void sample() async {
await FlutterInappPurchase.initConnection;
List skus = []..add(sku);
/// ఆظߪೖͷΛऔಘ
List list = await
FlutterInappPurchase.getSubscriptions(skus);
/// ఆظߪೖҎ֎ͷΛऔಘ
List list = await FlutterInappPurchase.getProducts(skus);
// ߪೖ(ߪೖϑϩʔ)
PurchasedItem item = await
FlutterInappPurchase.buySubscription(productId);
PurchasedItem item = await FlutterInappPurchase.buyProduct(productId)
// ߪೖޙͷॲཧ
// ޙॲཧ
await FlutterInappPurchase.endConnection;
}
}
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15
1. flutter_inapp_purchase (How to use)
class IAPDataSource {
void sample() async {
await FlutterInappPurchase.initConnection;
List skus = []..add(sku);
/// ఆظߪೖͷΛऔಘ
List list = await
FlutterInappPurchase.getSubscriptions(skus);
/// ఆظߪೖҎ֎ͷΛऔಘ
List list = await FlutterInappPurchase.getProducts(skus);
// ߪೖ(ߪೖϑϩʔ)
PurchasedItem item = await
FlutterInappPurchase.buySubscription(productId);
PurchasedItem item = await FlutterInappPurchase.buyProduct(productId)
// ߪೖޙͷॲཧ
// ޙॲཧ
await FlutterInappPurchase.endConnection;
}
}
ίωΫγϣϯ։࢝
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15
1. flutter_inapp_purchase (How to use)
class IAPDataSource {
void sample() async {
await FlutterInappPurchase.initConnection;
List skus = []..add(sku);
/// ఆظߪೖͷΛऔಘ
List list = await
FlutterInappPurchase.getSubscriptions(skus);
/// ఆظߪೖҎ֎ͷΛऔಘ
List list = await FlutterInappPurchase.getProducts(skus);
// ߪೖ(ߪೖϑϩʔ)
PurchasedItem item = await
FlutterInappPurchase.buySubscription(productId);
PurchasedItem item = await FlutterInappPurchase.buyProduct(productId)
// ߪೖޙͷॲཧ
// ޙॲཧ
await FlutterInappPurchase.endConnection;
}
}
औಘ
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15
1. flutter_inapp_purchase (How to use)
class IAPDataSource {
void sample() async {
await FlutterInappPurchase.initConnection;
List skus = []..add(sku);
/// ఆظߪೖͷΛऔಘ
List list = await
FlutterInappPurchase.getSubscriptions(skus);
/// ఆظߪೖҎ֎ͷΛऔಘ
List list = await FlutterInappPurchase.getProducts(skus);
// ߪೖ(ߪೖϑϩʔ)
PurchasedItem item = await
FlutterInappPurchase.buySubscription(productId);
PurchasedItem item = await FlutterInappPurchase.buyProduct(productId)
// ߪೖޙͷॲཧ
// ޙॲཧ
await FlutterInappPurchase.endConnection;
}
}
ߪೖ
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15
1. flutter_inapp_purchase (How to use)
class IAPDataSource {
void sample() async {
await FlutterInappPurchase.initConnection;
List skus = []..add(sku);
/// ఆظߪೖͷΛऔಘ
List list = await
FlutterInappPurchase.getSubscriptions(skus);
/// ఆظߪೖҎ֎ͷΛऔಘ
List list = await FlutterInappPurchase.getProducts(skus);
// ߪೖ(ߪೖϑϩʔ)
PurchasedItem item = await
FlutterInappPurchase.buySubscription(productId);
PurchasedItem item = await FlutterInappPurchase.buyProduct(productId)
// ߪೖޙͷॲཧ
// ޙॲཧ
await FlutterInappPurchase.endConnection;
}
}
ߪೖޙͷॲཧ
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15
1. flutter_inapp_purchase (How to use)
class IAPDataSource {
void sample() async {
await FlutterInappPurchase.initConnection;
List skus = []..add(sku);
/// ఆظߪೖͷΛऔಘ
List list = await
FlutterInappPurchase.getSubscriptions(skus);
/// ఆظߪೖҎ֎ͷΛऔಘ
List list = await FlutterInappPurchase.getProducts(skus);
// ߪೖ(ߪೖϑϩʔ)
PurchasedItem item = await
FlutterInappPurchase.buySubscription(productId);
PurchasedItem item = await FlutterInappPurchase.buyProduct(productId)
// ߪೖޙͷॲཧ
// ޙॲཧ
await FlutterInappPurchase.endConnection;
}
}
ޙॲཧ
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16
1. flutter_inapp_purchase (Pros/Cons)
• ϓϥάΠϯଆͰϓϥοτϑΥʔϜͷҧ͍Λٵऩͯ͘͠Εͯ
͍ΔͷͰɺ͏ͱ͖ҧ͍Λ͋·Γҙࣝ͠ͳ͍͍ͯ͘ɻ
• ͨͩ͠ɺiOS onlyAndroid onlyͳϓϩύςΟ͕͋Δͷ
Ͱɺͦ͜ҙࣝ͠ͳ͍ͱ͍͚ͳ͍ɻ
• Amazon Kindle FireͷΞϓϦ՝ۚʹରԠ
• PR͕ͨ͠ɺଈԠͯ͘͠ΕͨͷͰҹ
• ͯ͢staticϝιουͳͷͰϞοΫͰ͖ͣςετ͠ʹ͍͘ɻ
• Τϥʔ͕iOSɾAndroidͰ౷Ұ͞Ε͍ͯͳ͍ͷͰѻ͍ʹ͘
͘ɺ͔Γʹ͍͘ɻ(ৄࡉQiitaʹ https://bit.ly/2Fvw0Ig)
Pros
Cons
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17
2. flutter_billing (Basic)
ఆظߪೖ AndroidͷΈՄೳɺiOSෆՄ
ఆظߪೖҎ֎ Մೳ
Overall score 88
GitHub star 78
last updated Oct 21, 2018
version 0.3.0
Dart code non-static methods
AndroidɺiOS javaɺobj-c
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18
2. flutter_billing (How to use)
class IAPDataSource {
final Billing billing = Billing(onError: (e) {
print(e);
});
void sample() async {
List skus = []..add(sku);
/// ఆظߪೖͷΛऔಘ
List list = await
billing.getSubscriptions(skus);
/// ఆظߪೖҎ֎ͷΛऔಘ
List list = await billing.getProducts(skus);
// ߪೖ(ߪೖϑϩʔ)
bool result = await billing.subscribe(productId);
bool result = await billing.purchase(productId)
// ߪೖޙͷॲཧ
}
}
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18
2. flutter_billing (How to use)
class IAPDataSource {
final Billing billing = Billing(onError: (e) {
print(e);
});
void sample() async {
List skus = []..add(sku);
/// ఆظߪೖͷΛऔಘ
List list = await
billing.getSubscriptions(skus);
/// ఆظߪೖҎ֎ͷΛऔಘ
List list = await billing.getProducts(skus);
// ߪೖ(ߪೖϑϩʔ)
bool result = await billing.subscribe(productId);
bool result = await billing.purchase(productId)
// ߪೖޙͷॲཧ
}
}
ॳظԽ
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18
2. flutter_billing (How to use)
class IAPDataSource {
final Billing billing = Billing(onError: (e) {
print(e);
});
void sample() async {
List skus = []..add(sku);
/// ఆظߪೖͷΛऔಘ
List list = await
billing.getSubscriptions(skus);
/// ఆظߪೖҎ֎ͷΛऔಘ
List list = await billing.getProducts(skus);
// ߪೖ(ߪೖϑϩʔ)
bool result = await billing.subscribe(productId);
bool result = await billing.purchase(productId)
// ߪೖޙͷॲཧ
}
}
औಘ
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18
2. flutter_billing (How to use)
class IAPDataSource {
final Billing billing = Billing(onError: (e) {
print(e);
});
void sample() async {
List skus = []..add(sku);
/// ఆظߪೖͷΛऔಘ
List list = await
billing.getSubscriptions(skus);
/// ఆظߪೖҎ֎ͷΛऔಘ
List list = await billing.getProducts(skus);
// ߪೖ(ߪೖϑϩʔ)
bool result = await billing.subscribe(productId);
bool result = await billing.purchase(productId)
// ߪೖޙͷॲཧ
}
}
ߪೖ
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18
2. flutter_billing (How to use)
class IAPDataSource {
final Billing billing = Billing(onError: (e) {
print(e);
});
void sample() async {
List skus = []..add(sku);
/// ఆظߪೖͷΛऔಘ
List list = await
billing.getSubscriptions(skus);
/// ఆظߪೖҎ֎ͷΛऔಘ
List list = await billing.getProducts(skus);
// ߪೖ(ߪೖϑϩʔ)
bool result = await billing.subscribe(productId);
bool result = await billing.purchase(productId)
// ߪೖޙͷॲཧ
}
}
ߪೖޙͷॲཧ
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19
2. flutter_billing (Pros/Cons)
• ϓϥάΠϯଆͰϓϥοτϑΥʔϜͷҧ͍Λٵऩͯ͠
͘Ε͍ͯΔͷͰɺ͏ͱ͖ҧ͍Λ͋·Γҙࣝ͠ͳ
͍͍ͯ͘ɻ
• ඇελςΟοΫϝιουͱ࣮ͯ͠͞Ε͍ͯΔͷ
ͰɺϞοΫ͍͢͠
• iOSͷఆظߪೖ͕Ͱ͖ͳ͍
• ߪೖޙʹߪೖใ͕औಘͰ͖ͳ͍
Pros
Cons
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20
3. iap (Basic)
ఆظߪೖ Մೳ
ఆظߪೖҎ֎ Մೳ
Overall score 83
GitHub star 11
last updated Nov 28, 2018
version 0.1.0
Dart code non-static methods
AndroidɺiOS javaɺobj-c
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21
3. iap (How to use) (Android)
class IAPDataSource implements PurchasesUpdatedListener {
BillingClient _client;
void sample() async {
_client = BillingClient(this);
await _client.startConnection(onDisconnect: handleDisconnect);
List skus = []..add(sku);
List list = await _client.querySkuDetails(
skuType: SkuType.kSubs, skus: skus);
await _client.launchBillingFlow(
ɹɹɹɹBillingFlowParams(skuDetails: list[0]));
}
@override
void onPurchasesUpdated(
ɹɹɹint responseCode, List purchases) {
ɹ// ߪೖޙͷॲཧ
}
}
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21
3. iap (How to use) (Android)
class IAPDataSource implements PurchasesUpdatedListener {
BillingClient _client;
void sample() async {
_client = BillingClient(this);
await _client.startConnection(onDisconnect: handleDisconnect);
List skus = []..add(sku);
List list = await _client.querySkuDetails(
skuType: SkuType.kSubs, skus: skus);
await _client.launchBillingFlow(
ɹɹɹɹBillingFlowParams(skuDetails: list[0]));
}
@override
void onPurchasesUpdated(
ɹɹɹint responseCode, List purchases) {
ɹ// ߪೖޙͷॲཧ
}
}
ॳظԽͯ͠ίωΫγϣϯ։࢝
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21
3. iap (How to use) (Android)
class IAPDataSource implements PurchasesUpdatedListener {
BillingClient _client;
void sample() async {
_client = BillingClient(this);
await _client.startConnection(onDisconnect: handleDisconnect);
List skus = []..add(sku);
List list = await _client.querySkuDetails(
skuType: SkuType.kSubs, skus: skus);
await _client.launchBillingFlow(
ɹɹɹɹBillingFlowParams(skuDetails: list[0]));
}
@override
void onPurchasesUpdated(
ɹɹɹint responseCode, List purchases) {
ɹ// ߪೖޙͷॲཧ
}
}
औಘ
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21
3. iap (How to use) (Android)
class IAPDataSource implements PurchasesUpdatedListener {
BillingClient _client;
void sample() async {
_client = BillingClient(this);
await _client.startConnection(onDisconnect: handleDisconnect);
List skus = []..add(sku);
List list = await _client.querySkuDetails(
skuType: SkuType.kSubs, skus: skus);
await _client.launchBillingFlow(
ɹɹɹɹBillingFlowParams(skuDetails: list[0]));
}
@override
void onPurchasesUpdated(
ɹɹɹint responseCode, List purchases) {
ɹ// ߪೖޙͷॲཧ
}
}
ߪೖϑϩʔ
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21
3. iap (How to use) (Android)
class IAPDataSource implements PurchasesUpdatedListener {
BillingClient _client;
void sample() async {
_client = BillingClient(this);
await _client.startConnection(onDisconnect: handleDisconnect);
List skus = []..add(sku);
List list = await _client.querySkuDetails(
skuType: SkuType.kSubs, skus: skus);
await _client.launchBillingFlow(
ɹɹɹɹBillingFlowParams(skuDetails: list[0]));
}
@override
void onPurchasesUpdated(
ɹɹɹint responseCode, List purchases) {
ɹ// ߪೖޙͷॲཧ
}
}
ߪೖޙͷॲཧ
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22
3. iap (How to use) (iOS)
class IAPDataSource implements SKPaymentTransactionObserver
{
void sample() async {
SKProductsResponse response =
await StoreKit.instance.products(skus);
await SKPaymentQueue.instance.addPayment(
SKPayment.fromMap(
{"productIdentifier": sku, "quantity": 1}
)
);
StoreKit.instance.paymentQueue
.setTransactionObserver(this);
@override
void didUpdateTransactions(
SKPaymentQueue queue,
List transactions) async {
// ߪೖޙͷॲཧ
}
}
}
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22
3. iap (How to use) (iOS)
class IAPDataSource implements SKPaymentTransactionObserver
{
void sample() async {
SKProductsResponse response =
await StoreKit.instance.products(skus);
await SKPaymentQueue.instance.addPayment(
SKPayment.fromMap(
{"productIdentifier": sku, "quantity": 1}
)
);
StoreKit.instance.paymentQueue
.setTransactionObserver(this);
@override
void didUpdateTransactions(
SKPaymentQueue queue,
List transactions) async {
// ߪೖޙͷॲཧ
}
}
}
औಘ
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22
3. iap (How to use) (iOS)
class IAPDataSource implements SKPaymentTransactionObserver
{
void sample() async {
SKProductsResponse response =
await StoreKit.instance.products(skus);
await SKPaymentQueue.instance.addPayment(
SKPayment.fromMap(
{"productIdentifier": sku, "quantity": 1}
)
);
StoreKit.instance.paymentQueue
.setTransactionObserver(this);
@override
void didUpdateTransactions(
SKPaymentQueue queue,
List transactions) async {
// ߪೖޙͷॲཧ
}
}
}
ߪೖ(ߪೖϑϩʔ)
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22
3. iap (How to use) (iOS)
class IAPDataSource implements SKPaymentTransactionObserver
{
void sample() async {
SKProductsResponse response =
await StoreKit.instance.products(skus);
await SKPaymentQueue.instance.addPayment(
SKPayment.fromMap(
{"productIdentifier": sku, "quantity": 1}
)
);
StoreKit.instance.paymentQueue
.setTransactionObserver(this);
@override
void didUpdateTransactions(
SKPaymentQueue queue,
List transactions) async {
// ߪೖޙͷॲཧ
}
}
}
ߪೖޙͷॲཧ
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23
3. iap (Pros/Cons)
• ֤ϓϥοτϑΥʔϜͷΞϓϦ՝ۚϥΠϒϥϦͱ
΄΅ಉ͡ΠϯλʔϑΣʔεͳͷͰɺωΠςΟϒʹೃ
છΈͷ͋Δํɺ͔Γ͍͔͢
• iOSͱAndroidͰݺͼग़͠ํΛม͑Δඞཁ͕͋Δͷ
Ͱɺ࣮ͷํʹΑͬͯͪ͝Όͪ͝Όͦ͠͏
Pros
Cons
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24
4. flutter_payments (Basic)
ఆظߪೖ ՄೳΒ͍͠
ఆظߪೖҎ֎ ՄೳΒ͍͠
Overall score 77
GitHub star 20
last updated Jul 14, 2018
version 0.1.5
Dart code non-static methods
AndroidɺiOS kotlinɺswift
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25
4. flutter_payments (How to use)
!
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25
4. flutter_payments (How to use)
This repository has been archived by the owner.
It is now read-only
!
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25
4. flutter_payments (How to use)
This repository has been archived by the owner.
It is now read-only
!
ͦΕͰࢼͯ͠ΈΑ͏ͱࢥͬͯflutter packges getͨ͠Βɺ
failͨ͠ͷͰɺࢼ͢ͷΛఘΊ·ͨ͠ɾɾɾ
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26
4. flutter_payments (Pros/Cons)
• ωΠςΟϒίʔυ͕ɺkotlinɾswiftͰॻ͔Ε͍ͯΔͷ
Ͱϝϯςͦ͢͠͏
• ϨϙδτϦ͕ΞʔΧΠϒ͞ΕͯΔͷͰɺୈࡾऀ͕ϝ
ϯςͰ͖ͳ͍
Pros
Cons
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27
5. in_app_purchase (Basic)
• GoogleެࣜͷϓϥάΠϯ
• ·ͩ४උத
https://github.com/flutter/flutter/issues/9591#issuecomment-467678342
• ϚΠϧετʔϯ͕4݄ʹઃఆ͞Ε͍ͯΔ
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28
5. in_app_purchase (How to use)
class IAPDataSource {
void sample() async {
ProductDetailsResponse result =
await InAppPurchaseConnection.instance
.queryProductDetails(skus.toSet());
}
}
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28
5. in_app_purchase (How to use)
class IAPDataSource {
void sample() async {
ProductDetailsResponse result =
await InAppPurchaseConnection.instance
.queryProductDetails(skus.toSet());
}
}
औಘ
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29
5. in_app_purchase (Pros/Cons)
• GoogleެࣜͷϓϥάΠϯͳͷͰ҆৺ײ͕͋Δ
• ͏ଆ͕ϓϥοτϑΥʔϜΛ͋·Γҙࣝ͠ͳͯ͘ྑ
ͦ͞͏ͳ࡞Γʹͳ͍ͬͯͦ͏Ͱ͢ɻ
• ·ͩ४උத͕ͩɺࠓޙʹظ
Pros
Cons
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·ͱΊ
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31
·ͱΊ
• AndroidɾiOSͱʹఆظߪೖɺఆظߪೖҎ֎͕Մೳ
ͳͷflutter_inapp_purchase(1)ͱiap(3)
• flutter_billing(2)iOSͷఆظߪೖ͕Ͱ͖·ͤΜ͕ɺ
ఆظߪೖҎ֎྆OSՄೳ
• flutter_payments(4)ΞʔΧΠϒ͞ΕͯΔ
• Googleެࣜͷin_app_purchase(5)·ͩ४උதͩ
͕ɺϚΠϧετʔϯ͕ઃఆ͞Ε͍ͯΔͷͰ͍ۙʹ
͑ΔΑ͏ʹͳΓͦ͏
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Happy Fluttering!