# SubscriptionUpdateParams

### SubscriptionUpdateParams <a href="#id-cn-subscriptionupdateparams-subscriptionupdateparams" id="id-cn-subscriptionupdateparams-subscriptionupdateparams"></a>

`public class SubscriptionUdpateParams extends Object java.lang.Object ↳ com.gaa.sdk.iap.PurchaseFlowParams.SubscriptionUpdateParams`&#x20;

購買In-App商品的參數。&#x20;

**See Also:**&#x50;urchaseClient.launchPurchaseFlow(Activity, PurchaseFlowParams)

### Summary <a href="#id-cn-subscriptionupdateparams-summary" id="id-cn-subscriptionupdateparams-summary"></a>

***

| **Nested classes** |                                                                                      |
| ------------------ | ------------------------------------------------------------------------------------ |
| class              | SubscriptionUpdateParams.Builder 用於輕鬆創建SubscriptionUpdateParams實例（instance）的builder。 |

### Public methods <a href="#id-cn-subscriptionupdateparams-publicmethods" id="id-cn-subscriptionupdateparams-publicmethods"></a>

***

#### getProrationMode() <a href="#id-cn-subscriptionupdateparams-getprorationmode" id="id-cn-subscriptionupdateparams-getprorationmode"></a>

`int getProrationMode()`

定期支付商品升级或降级的比例分配模式。

| **Returns:** |                                  |
| ------------ | -------------------------------- |
| int          | PurchaseFlowParams.ProrationMode |

#### getOldPurchaseToken() <a href="#id-cn-subscriptionupdateparams-getoldpurchasetoken" id="id-cn-subscriptionupdateparams-getoldpurchasetoken"></a>

`String getOldPurchaseToken()`

已購定期支付商品的購買token。

| **Returns:** |   |
| ------------ | - |
| String       |   |

#### newBuilder <a href="#id-cn-subscriptionupdateparams-newbuilder" id="id-cn-subscriptionupdateparams-newbuilder"></a>

`SubscriptionUpdateParams.Builder newBuilder()`

生成用於創建SubscriptionUdpateParams實例（instance）的builder。

| **Returns:**                     |   |
| -------------------------------- | - |
| SubscriptionUpdateParams.Builder |   |

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