Build Twitter with REST API and JSON (Search and Fetch New Tweets from Twitter)

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In this episode, you will learn how to use a custom Twitter framework to search for new tweets from any user, hashtag or keywords.

Along the way, you are going to learn how to structure your data model so your app will adapt with new data coming in real time.

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+ Duc’s new training on How to Build Nike E-commerce Store WITHOUT Losing Your Shirt

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ABOUT CODE MASTERY
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Code Mastery is hosted by Duc Tran, founder of Developers Academy.

This is his free-style no notes, no teleprompter presentation and live coding broadcast with you guys everyday.

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MEET DUC TRAN
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Duc Tran is founder of Developers Academy, one of the world’s leading iOS, Android and Web development trainers.

More than 2,000,000 developers have studied his video trainings; 100,000 developers see his posts each month. Each year, Duc has helped 20,000 plus developers graduate from his online courses or video series.

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FREE TRAININGS IN IOS DEVELOPMENT
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SOURCE CODE IN THIS COURSE
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NetworkProcessor.swift

class NetworkProcessor
{
lazy var configuration: URLSessionConfiguration = URLSessionConfiguration.default
lazy var session: URLSession = URLSession(configuration: self.configuration)

let url: URL

init(url: URL)
{
self.url = url
}

typealias JSONDictionaryHandler = (([String : Any]?) – Void)

func downloadJSONFromURL(_ completion: @escaping JSONDictionaryHandler)
{
let request = URLRequest(url: self.url)
let dataTask = session.dataTask(with: request) { (data, response, error) in

if error == nil {

if let httpResponse = response as? HTTPURLResponse {
switch httpResponse.statusCode {
case 200:
// successful response
if let data = data {
do {
let jsonDictionary = try JSONSerialization.jsonObject(with: data, options: .mutableContainers)

completion(jsonDictionary as? [String : Any])

} catch let error as NSError {
print(“Error processing json data: (error.localizedDescription)”)
}

}

default:
print(“HTTP Reponse Code: (httpResponse.statusCode)”)
}
}

} else {
print(“Error: (error?.localizedDescription)”)
}
}

dataTask.resume()
}
}

Full access to source code:

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