Qt Purchasing is an add-on library that enables Qt applications to support in-app purchases. It is a cross-platform library that currently supports purchases made to the Mac App Store on OS X, App Store on iOS, and Google Play on Android.
In-App Purchases
QT += gui greaterThan(QTMAJORVERSION, 4): QT += widgets multimedia #CONFIGパラメータ指定の意味は以下の通りね #何も指定しない(コメントアウト) = Mac AppStore用コンパイル(Sandbox対応版) #pro = Pro版をビルド(レスパス直販版かつ、sandbox非対応) #trial = 体験版をビルド(ビルド時刻. Qt Apps banned from Mac App Store? If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed.
In-app purchases are a way to monetize an application. These purchases are made from inside the application and can include anything from unlocking content to virtual items. The Qt Purchasing API is built on the system APIs for in-app purchases, which means the purchase process is more familiar to the user, and the information already stored by the platform (such as credit card information) can be used to simplify the purchase process.
Getting Started
Qt Purchasing provides C++ classes and QML types to access information about in-app products registered in the external store on the current platform, as well as to request purchases for those products.
The Store
The in-app products must be registered in the target stores, before they can be queried or purchased in an application. We recommend using the same identifiers for the products in each store, as it simplifies the code to query and purchase the products.
Writing the Code
Depending on what fits best with the application, you can choose to use either C++ or QML to support in-app purchasing. If most of the user interface is written in QML, we recommend that you use the QML types, which provide a simple and declarative point of access for the products in the store.
Examples
Take a look at the Qt Purchasing Examples for a demonstration on how the APIs can be used in applications.
Licenses and Attributions
Qt Purchasing is available under commercial licenses from The Qt Company. In addition, it is available under the GNU Lesser General Public License, version 3. See Qt Licensing for further details.
Furthermore Qt Purchasing on Android contains third party modules under the following permissive licenses: https://cleveronline778.weebly.com/how-to-delete-messages-from-the-laptop-app-mac.html.
API Reference
© 2020 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.
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