change
fun changePlan(activity: Activity, zsPlan: ZSPlan, oldPlanCode: String, storeOrderId: String, zsCustomFields: ArrayList<ZSCustomField> = ArrayList(), offerId: String, purchasesUpdatedListener: PurchaseUpdationListener)
Will upgrade/downgrade the current subscription of the user based on the product code details passed. The subscription will be updated in Play Store and the corresponding subscription will be updated in Zoho Billing too.
Parameters
activity
The current activity from which the purchase is initiated.
zs
The plan object ZSPlan to which the user wants to change.
old
The product code of the current plan to be changed.
store
The store order ID of the current plan to be changed.
zs
An optional array of custom fields ZSCustomField to be sent along with the subscription data to Zoho Billing.
purchases
An interface which handles the success or failure result of the purchase flow.