How to implement PayPal to Xcode obj c - objective-c

Is it possible to implement PayPal into Xcode 7.3 Objective C?
I'm trying to sell a product online, but i need to be able to access PayPal via the application.
Any thoughts?

Refer paypal's official ios-integration guide from this link and here is the paypal's ios sdk project on github click here. Hope this will help. :)

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Integrate login with facebook with cocoa app osx

I have searched it for so long but can't find any proper source of it facebook didn't provide any sdk for it. Do anyone know about how to integrate it with osx app?
you can use facebook sdk for cocoa
or
https://github.com/philippec/PhFacebook
I hope it is helpful to u

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I am developing iphone application for a shopping cart, i have done all stuffs but now its turn for online payment, the web version support paypal standard and the client want to stick with paypal standard the user will be redirected and paypal site and log and complete order. Is this possible on iphone?
Some days before apple does not allow any third party payment gateway. But now apple allows it to use the third party payment gateway like Paypal. You can used paypal library which allows you to pay your payment of products which you purchased from the app. For doing all this, paypal provides the library for mobile application development. I had used it in my 3-4 apps & works fine for me.
may be this could help you
link
link
Download Mobile Express Checkout Library from library and add the same to your project.
Why not you using PayPal SDk for Mobile device ? I have integrated PayPal in my app through their MPL library and Modified some stuffs like App Key and price,Store name Receiver account details etc. And its working fine for me.
check this link which is Already answered.
Also you can have a look at Getting started Guide.
PayPal API : How to integrate it in my App? IOS5
https://developer.paypal.com/
You need to implement paypal on your web server first.
Then go to that link from UIWebview….

Adobe air native extensions / Google Checkout

Is it possible to use Adobe AIR 3.0 Native extensions to interface with Google Checkout so in-app purchase can be made?
If so: has anyone tried this?
If not: why not?
Thanks in advance
From within a browser environment you can use Google In-App Payments to sell digital and virtual goods.
More info and documentation here:
http://code.google.com/apis/inapppayments/docs/index.html

Confirmation app on iPhone URL Scheme

Hey developpers,
I need to ask a confirmation on the iPhone URL Scheme. Is the URL Scheme 'Tweetie' the Official Twitter application? I know in the website it said that there were Twitterriffic / Twitterriffic Premium, Twittelator Pro and Tweetie but for Tweetie, it's unsual to me the way it's said. It's like it's a built iPhone app (not the Official Twitter iPhone application), but after searching for Tweetie on the app store, it appears there is no such app called 'Tweetie', so I just need to know from someone if this is the Official Twitter app. So hope someone can help me out, thanks
Yep, that is the official Twitter app.

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I'm trying to integrate twitter to my blackberry application and i've downloaded twitter4j api but i doesn't seem to work out because eclipse doesn't support some of the classes which api have.If u've any idea as to how do i go abt that please reply.
I have done Twitter integration in BlackBerry.
And I have post entire source code on the blackberry support fourm.
You all can get code from there
I am using twitter_api_me-1.8.jar for twitter integration.
http://supportforums.blackberry.com/t5/Java-Development/Twitter-is-Integrated-in-BlackBerry/m-p/1698157
Pawan Jha
Thanks