Integrate Stripe into qt mobile application - c++

I have a requirement of integrate stripe into Qt Mobile application for android and ios. I searched on it but not able to find any suitable starting point. What are the possible solutions for me to integrate stripe in c++ applications.

So far there is no C++ API kit for Stripe.
All you can do by yourself from scratch.
Use curl to for Stripe API call.
Use a json c++ library for serialize/deserialize request/response.

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How to integrate AWS Lex chatbot in Xamarin application?

I have basic understanding of .net and chatbot.
I wanted to integrate Amazon lex in xamarin(ios, android)app. There seems to be no example or sample. I have created chatbot from AWS platform intent and slots.
Also I wanted to use database to get query return. Any sample to integrate AWS Lex with Xamarin app would be helpful.
As I understand from your question, you already have some implementation of chatbot made with AWS services, but you are having issue on integrating it to your xamarin application to be able to use it in IOS and Android devices.
For that purpose, there is AWS Mobile SDK which happens to support also xamarin.
From their link:
https://docs.aws.amazon.com/mobile/sdkforxamarin/developerguide/Welcome.html
I also did not find a Lex tutorial directly, but a very promising quote:
Supported AWS services currently include, but are not limited to [narrow list of services]
was on the same page. I looked around, found this text:
The AWS Mobile SDK for .NET and Xamarin also allows you to use most of the AWS services supported by the AWS SDK for .NET. The AWS services specific to mobile development are explained in this developer guide. For more information about the AWS SDK for .NET, see [a link]
clicked the link and ended here:
https://docs.aws.amazon.com/sdkfornet/v3/apidocs/Index.html
and under link AmazonLex -> AmazonLexClient there was something, you probably wanted to see:
Version Information
.NET Standard:
Supported in: 1.3
.NET Framework:
Supported in: 4.5, 4.0, 3.5
Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms
Those 3 last let me understand that whenever you setup Mobile SDK, you get access to AWS services in Xamarin, also Lex.
Steps to install on
https://docs.aws.amazon.com/mobile/sdkforxamarin/developerguide/setup.html
mainly contain steps on how to create xamarin app and get AWS account, most important is to install the AWS Mobile SDK for .NET and Xamarin and configure it. More detailed steps are under that link.
After that the process is to follow the instructions on:
https://aws.amazon.com/getting-started/projects/bots-just-got-better-net-toolkit-lex-lambda-cognito/module-one/
like pointed in comments. I suppose once you have access to any service via Mobile SDK, the wire up of Lex may go in similar steps and no special just xamarin tutorial is not needed anymore.
It seems you are looking for both architecture and sample code for implementing AWS Lex bot with .NET backend that can be integrated with iOS/Android Frontend.
You have multiple choices here to do it
Build both chat user interfaces in iOS and Android and integrate them AWS iOS & Android SDKs to utilize the AWS LEX bot.
Just implement a bot user interface in iOS and Android app and integrate it with a .NET backend that can utilize AWS .NET SDK to integrate with your LEX bot.
I would recommend the second approach as it will save you writing the LEX integration code twice both in Android and in iOS. In the second appraoch you will be able to write a single integration for AWS LEX in .NET and that can give a unified experience across the mobile devices(iOS/Android)
Now for the .NET based backend integration with AWS LEX bot.
If you are an experienced .NET developer and you know how will you host your code then only thing that you need is the .NET API reference for AWS LEX, which can be found here
https://docs.aws.amazon.com/sdkfornet/v3/apidocs/items/Lex/TLexClient.html
But if you are not sure how to write this integration code and also not sure how the deployment will look like then you can follow the below tutorial
Bots Just Got Better with .NET and the AWS Toolkit for Visual Studio
Also, find here the architecture form the above tutorial
there is no direct solution like Amazon Lex is supported by React-native. i confirmed with xamarin team as well as AWS service one of the member. direct integration not possible.

Send notifications through DRF

Hello I'm building a RESTfull application using Django Rest Framework.
The clients are android application and react application.
I need to send a time based notification to users.
To send push notifications you can use the well supported https://github.com/jazzband/django-push-notifications app
It is not necessary to use FCM for android. I personally like to use Firebase Cloud Messaging (FCM). If you want to give it a try i suggest to use the pyfcm library https://pypi.org/project/pyfcm/
.
It's pretty straight forward and well documented. As for the authentication problems in the django-rest-framework, please be more specific.

C++ Google Calendar API

Hi All: I am supposed to provide Google calendar support on my C++ application running on Linux machine.
I came to know Google APIs Client Library for C++ is deprecated.So, I would like to know as to how I can provide calendar support in my Cpp application.
What steps should I follow and better if you redirect me to some URL ?
Thanks
I think you can use google calendar api using REST API.
C++ Google Calendar REST API Examples

How to call Amazon API Gateway in LibGDX?

I'm developing a game for iOS and Android using LibGDX. I would like to use Amazon Web Services and I haven't found if there is a library or a way to access API Gateway from my (:core) project.
I've worked with API Gateway in Android and iOS native projects and is very easy to implement it because Amazon has SDK Generation for both platforms. But since there's not a way to export for Java, it seems to bee a little tricky to make api calls from the core project.
I tried to use amazon skd for android inside (:core) but it didn't worked.
May be making a direct Http request using HttpURLConnection, but I don't know how to do it and although it won't map the response objects.
I don't have specific experience with LibGDX, but API Gateway helps you generate REST based APIs. There are a number of Java libraries that will help you interact with REST based APIs, such as rest4j. As you note, you will have to either forgo using API Gateway's Models or build your own marshalling code on top whatever solution you use for interacting with your API.

Using Azure Mobile Services in a C++ app

I want to build a Windows 8.1 Store app using C++. I want to be able to use Azure Mobile Services as a cloud backend for my app. My app is going to be a pure native app and from a performance perspective it is not acceptable to use some client SDK library which has been implemented in a managed language. How do I do this using C++ only?
With Visual Studio 2013, it is now possible to use a pure C++ based Azure Mobile Client library in your C++ Windows Store app. The following blog post contains more details about this:
http://blogs.msdn.com/b/vcblog/archive/2013/11/05/using-windows-azure-mobile-services-from-c-windows-store-apps.aspx