In-App purchasing demo | Qt 6.2

- Qt 6.2
- In-App purchasing demo
- Qt 6.2.3 Reference Documentation

# In-App purchasing demo

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     import QtQuick
     import QtQuick.Controls
     import QtQuick.Layouts
     import Hangman

     Item {
         PageHeader {
             id: header
             title: "Hangman Store"
         }

         Column {
             anchors.top: header.bottom
             anchors.bottom: restoreButton.top
             anchors.margins: topLevel.globalMargin
             anchors.right: parent.right
             anchors.left: parent.left
             spacing: topLevel.globalMargin
             // ![2]
             StoreItem {
                 product: product100Vowels
                 width: parent.width
             }

             StoreItem {
                 product: productUnlockVowels
                 width: parent.width
             }
             // ![2]
         }

         SimpleButton {
             id: restoreButton
             anchors.bottom: parent.bottom
             anchors.margins: topLevel.globalMargin
             anchors.horizontalCenter: parent.horizontalCenter
             height: topLevel.buttonHeight
             width: parent.width * .5
             text: "Restore Purchases"
             onClicked: {
                 console.log("restoring...");
                 iapStore.restorePurchases();
             }
         }

         // ![0]
         Product {
             id: product100Vowels
             store: iapStore
             type: Product.Consumable
             identifier: "qt.io.demo.hangman.100vowels"

             onPurchaseSucceeded: {
                 console.log(identifier + " purchase successful");
                 //Add 100 Vowels
                 applicationData.vowelsAvailable += 100;
                 transaction.finalize();
                 pageStack.pop();
             }

             onPurchaseFailed: {
                 console.log(identifier + " purchase failed");
                 console.log("reason: "
                             + transaction.failureReason === Transaction.CanceledByUser ? "Canceled" : transaction.errorString);
                 transaction.finalize();
             }
         }
         // ![0]
         // ![1]
         Product {
             id: productUnlockVowels
             type: Product.Unlockable
             store: iapStore
             identifier: "qt.io.demo.hangman.unlockvowels"

             onPurchaseSucceeded: {
                 console.log(identifier + " purchase successful");
                 applicationData.vowelsUnlocked = true;
                 transaction.finalize();
                 pageStack.pop();
             }

             onPurchaseFailed: {
                 console.log(identifier + " purchase failed");
                 console.log("reason: "
                             + transaction.failureReason === Transaction.CanceledByUser ? "Canceled" : transaction.errorString);
                 transaction.finalize();
             }

             onPurchaseRestored: {
                 console.log(identifier + " purchase restored");
                 applicationData.vowelsUnlocked = true;
                 console.log("timestamp: " + transaction.timestamp);
                 transaction.finalize();
                 pageStack.pop();
             }
         }
         // ![1]

     }