version 2.0的Google Play计费库 – .setSkuDetails(skuDetails)

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英文:

version 2.0 of the Google Play Billing Library - .setSkuDetails(skuDetails)

问题

如何在 Java 中调用时使用 .setSkuDetails(skuDetails)：

```java
BillingFlowParams flowParams = BillingFlowParams.newBuilder()
        .setSkuDetails(skuDetails)
        .build();
int responseCode = billingClient.launchBillingFlow(flowParams);

我在整个 Google 上搜索了，但没有找到任何适当且完整的实现。请有人通过提供带有所有必要函数的完整过程来帮助我，因为我只找到了1.0版本的示例、Kotlin示例或不完整的示例，我想使用 Java。请在这方面为我提供帮助。


<details>
<summary>英文:</summary>

How to .setSkuDetails(skuDetails) in java while calling

BillingFlowParams flowParams = BillingFlowParams.newBuilder()
.setSkuDetails(skuDetails)
.build();
int responseCode = billingClient.launchBillingFlow(flowParams);




I searched whole google but did not find any proper and complete implementation, please someone help me with this by providing full process with all necessary functions, because I found only library```1.0``` examples or Kotlin or incomplete,I want java 

please help me in this

</details>


# 答案1
**得分**: 2

这是完整的实现。

有关详细信息，请参阅文档：https://developer.android.com/google/play/billing/billing_library_overview

```java
String ITEM_SKU_diamond_500 = "diamond_500";
BillingClient billingClient;
AcknowledgePurchaseResponseListener acknowledgePurchaseResponseListener;
String premiumUpgradePrice = "";

1: 必须使用BillingClient.Builder创建一个计费客户端。

billingClient = BillingClient.newBuilder(this)
                .enablePendingPurchases()
                .setListener(this).build();

2: 在创建billingClient之后，启动billingClient连接。


        billingClient.startConnection(new BillingClientStateListener() {
            @Override
            public void onBillingSetupFinished(BillingResult billingResult) {
                if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {

                    List<String> skuList = new ArrayList<>();
                    skuList.add(ITEM_SKU_diamond_500);
                    final SkuDetailsParams.Builder params = SkuDetailsParams.newBuilder();
                    params.setSkusList(skuList).setType(BillingClient.SkuType.INAPP);

3: 在成功建立连接后，使用billingClient的querySkuDetailsAsync方法异步获取SKU详细信息。

                    billingClient.querySkuDetailsAsync(params.build(), new SkuDetailsResponseListener() {
                        @Override
                        public void onSkuDetailsResponse(BillingResult billingResult, List<SkuDetails> skuDetailsList) {
                            if (skuDetailsList != null && billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {
                                for (SkuDetails skuDetails : skuDetailsList) {
                                    String sku = skuDetails.getSku();
                                    String price = skuDetails.getPrice();

                                    final BillingFlowParams params = BillingFlowParams.newBuilder()
                                            .setSkuDetails(skuDetails)
                                            .build();

                                    if (ITEM_SKU_diamond_500.equals(sku)) {
                                        premiumUpgradePrice = price;

                                        firstBtn500(params);

                                    }

                                    
                                }
                            } else if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.ERROR) {
                                Toast.makeText(DiamondsActivity.this, "Error", Toast.LENGTH_SHORT).show();
                            }
                        }

                    });

                } else if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.SERVICE_TIMEOUT) {
                    Toast.makeText(DiamondsActivity.this, "Service timeout", Toast.LENGTH_SHORT).show();
                } else {
                    Toast.makeText(DiamondsActivity.this, "Failed to connect to the billing client", Toast.LENGTH_SHORT).show();
                }
            }

            @Override
            public void onBillingServiceDisconnected() {
                Toast.makeText(DiamondsActivity.this, "Disconnected from the client", Toast.LENGTH_SHORT).show();
            }
        });

        acknowledgePurchaseResponseListener = new AcknowledgePurchaseResponseListener() {
            @Override
            public void onAcknowledgePurchaseResponse(BillingResult billingResult) {
                Toast.makeText(DiamondsActivity.this, "Purchase acknowledged", Toast.LENGTH_SHORT).show();
            }

        };

4: 当用户尝试进行应用内购买或订阅产品订阅时，使用billngClient检查产品是否受支持。

isFeatureSupported(BillingClient.FeatureType/* SUBSCRIPTIONS or other */)

然后调用billingClient的launchBillingFlow方法

private void firstBtn500(final BillingFlowParams params) {

        firstPurchaseBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {


                billingClient.launchBillingFlow(DiamondsActivity.this, params);

            }
        });

    }

更新

在这里，您可以检查项目是否已购买

 @Override
    public void onPurchasesUpdated(BillingResult billingResult, @Nullable List<Purchase> purchases) {

        if (purchases != null && billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {

            for (Purchase purchase : purchases) {
                handlePurchases(purchase);
            }

        } else if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.USER_CANCELED) {
            Toast.makeText(this, "Purchased Canceled", Toast.LENGTH_SHORT).show();
        }

else if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.ITEM_ALREADY_OWNED) {
            Toast.makeText(this, "Already Purchased", Toast.LENGTH_SHORT).show();
        }

    }

如果要购买一次性项目，需要对购买进行Acknowledge处理

private void handlePurchases(final Purchase purchase) {

        if (purchase.getPurchaseState() == Purchase.PurchaseState.PURCHASED) {
            //如果尚未确认购买，请确认购买。
            if (!purchase.isAcknowledged()) {
                AcknowledgePurchaseParams acknowledgePurchaseParams =
                        AcknowledgePurchaseParams.newBuilder()
                                .setPurchaseToken(purchase.getPurchaseToken())
                                .build();
                billingClient.acknowledgePurchase(acknowledgePurchaseParams, acknowledgePurchaseResponseListener);

            }

如果要多次购买同一项目（例如应用内购买/游戏中的货币或积分等），需要消耗购买，以下是消耗购买的代码。

            // Todo: 异步消耗购买
            ConsumeParams consumeParams = ConsumeParams.newBuilder()
                    .setPurchaseToken(purchase.getPurchaseToken())
                    .build();

            ConsumeResponseListener consumeResponseListener = new ConsumeResponseListener() {
                @Override
                public void onConsumeResponse(BillingResult billingResult, String purchaseToken) {

                    Toast.makeText(DiamondsActivity.this, "Purchase successful", Toast.LENGTH_SHORT).show();

                    if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {

                        if (purchase.getSku().equalsIgnoreCase(ITEM_SKU_diamond_500)) {
                            Toast.makeText(DiamondsActivity.this, "Thank you for purchasing!", Toast.LENGTH_SHORT).show();
                        }

                    }

                }
            };

            billingClient.consumeAsync(consumeParams, consumeResponseListener);


        } else if (purchase.getPurchaseState() == Purchase.PurchaseState.PENDING) {

            Toast.makeText(this, "Purchase pending", Toast.LENGTH_SHORT).show();

        }

    }
英文:

Here is the full implementation.

For further reference, refer to the documentation: https://developer.android.com/google/play/billing/billing_library_overview

String ITEM_SKU_diamond_500 = &quot;diamond_500&quot;;
BillingClient billingClient;
AcknowledgePurchaseResponseListener acknowledgePurchaseResponseListener;
String premiumUpgradePrice = &quot;&quot;;

1: A billing client has to be created using BillingClient.Builder.

billingClient = BillingClient.newBuilder(this)
                .enablePendingPurchases()
                .setListener(this).build();

2: After creating a billingClient start the billingClient connection


        billingClient.startConnection(new BillingClientStateListener() {
            @Override
            public void onBillingSetupFinished(BillingResult billingResult) {
                if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {

                    List&lt;String&gt; skuList = new ArrayList&lt;&gt;();
                    skuList.add(ITEM_SKU_diamond_500);
                    final SkuDetailsParams.Builder params = SkuDetailsParams.newBuilder();
                    params.setSkusList(skuList).setType(BillingClient.SkuType.INAPP);

3: After establishing a successful connection, make a call with billingClient's querySkuDetailsAsync method to fetch SKU details asynchronously.

                    billingClient.querySkuDetailsAsync(params.build(), new SkuDetailsResponseListener() {
                        @Override
                        public void onSkuDetailsResponse(BillingResult billingResult, List&lt;SkuDetails&gt; skuDetailsList) {
                            if (skuDetailsList != null &amp;&amp; billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {
                                for (SkuDetails skuDetails : skuDetailsList) {
                                    String sku = skuDetails.getSku();
                                    String price = skuDetails.getPrice();

                                    final BillingFlowParams params = BillingFlowParams.newBuilder()
                                            .setSkuDetails(skuDetails)
                                            .build();

                                    if (ITEM_SKU_diamond_500.equals(sku)) {
                                        premiumUpgradePrice = price;

                                        firstBtn500(params);

                                    }

                                    
                                }
                            } else if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.ERROR) {
                                Toast.makeText(DiamondsActivity.this, &quot;Error&quot;, Toast.LENGTH_SHORT).show();
                            }
                        }

                    });

                } else if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.SERVICE_TIMEOUT) {
                    Toast.makeText(DiamondsActivity.this, &quot;Service timeout&quot;, Toast.LENGTH_SHORT).show();
                } else {
                    Toast.makeText(DiamondsActivity.this, &quot;Failed to connect to the billing client&quot;, Toast.LENGTH_SHORT).show();
                }
            }

            @Override
            public void onBillingServiceDisconnected() {
                Toast.makeText(DiamondsActivity.this, &quot;Disconnected from the client&quot;, Toast.LENGTH_SHORT).show();
            }
        });

        acknowledgePurchaseResponseListener = new AcknowledgePurchaseResponseListener() {
            @Override
            public void onAcknowledgePurchaseResponse(BillingResult billingResult) {
                Toast.makeText(DiamondsActivity.this, &quot;Purchase acknowledged&quot;, Toast.LENGTH_SHORT).show();
            }

        };

4: When a user tries to make an in-app purchase or subscribe to the product subscription, check if the product is supported using billngClient

isFeatureSupported(BillingClient.FeatureType```./* SUBSCRIPTIONS or other */)

method and make a call to billingClient's launchBillingFlow method

private void firstBtn500(final BillingFlowParams params) {

        firstPurchaseBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {


                billingClient.launchBillingFlow(DiamondsActivity.this, params);

            }
        });

    }

UPDATE

Here you can check if the item is already purchased or not

 @Override
    public void onPurchasesUpdated(BillingResult billingResult, @Nullable List&lt;Purchase&gt; purchases) {

        if (purchases != null &amp;&amp; billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {

            for (Purchase purchase : purchases) {
                handlePurchases(purchase);
            }

        } else if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.USER_CANCELED) {
            Toast.makeText(this, &quot;Purchased Canceled&quot;, Toast.LENGTH_SHORT).show();
        }

else if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.ITEM_ALREADY_OWNED) {
            Toast.makeText(this, &quot;Already Purchased&quot;, Toast.LENGTH_SHORT).show();
        }

    }

If you want to purchase an item once, you need to Acknowledge the purchase

private void handlePurchases(final Purchase purchase) {
if (purchase.getPurchaseState() == Purchase.PurchaseState.PURCHASED) {
//Acknowledge the purchase if it hasn&#39;t already been acknowledged.
if (!purchase.isAcknowledged()) {
AcknowledgePurchaseParams acknowledgePurchaseParams =
AcknowledgePurchaseParams.newBuilder()
.setPurchaseToken(purchase.getPurchaseToken())
.build();
billingClient.acknowledgePurchase(acknowledgePurchaseParams, acknowledgePurchaseResponseListener);
}

If you want to purchase the same item again and again (Like in-app/game in coins or credit or something like this). You need to consume purchase below is the code to consume purchase.

            // Todo: Consume the purchase async
ConsumeParams consumeParams = ConsumeParams.newBuilder()
.setPurchaseToken(purchase.getPurchaseToken())
.build();
ConsumeResponseListener consumeResponseListener = new ConsumeResponseListener() {
@Override
public void onConsumeResponse(BillingResult billingResult, String purchaseToken) {
Toast.makeText(DiamondsActivity.this, &quot;Purchase successful&quot;, Toast.LENGTH_SHORT).show();
if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {
if (purchase.getSku().equalsIgnoreCase(ITEM_SKU_diamond_500)) {
Toast.makeText(DiamondsActivity.this, &quot;Thank you for purchasing!&quot;, Toast.LENGTH_SHORT).show();
}
}
}
};
billingClient.consumeAsync(consumeParams, consumeResponseListener);
} else if (purchase.getPurchaseState() == Purchase.PurchaseState.PENDING) {
Toast.makeText(this, &quot;Purchase pending&quot;, Toast.LENGTH_SHORT).show();
}
}

huangapple
  • 本文由 发表于 2020年4月10日 11:04:09
  • 转载请务必保留本文链接：https://go.coder-hub.com/61133408.html
  • android
  • in-app-billing
  • java
  • onskudetailsresponce
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