Implementing Google custom search API in iOS

Question

I went through several links in order to find the proper steps to implement google customsearchapi in an ios application and spent about 6-7 hours in that process.

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Answer 1

The following provide implementation in Swift 4, of "GET" request from google custom search engine,

let apiKey = "Your api key here"
let bundleId = "com.Your uniqueBundleId here"
let searchEngineId = "Your searchEngine here"
let serverAddress = String(format: "https://www.googleapis.com/customsearch/v1?q=%@&cx=%@&key=%@","Your query here" ,searchEngineId, apiKey)


let url = serverAddress.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)
let finalUrl = URL(string: url!)
let request = NSMutableURLRequest(url: finalUrl!, cachePolicy: .useProtocolCachePolicy, timeoutInterval: 10)
request.httpMethod = "GET"
request.setValue(bundleId, forHTTPHeaderField: "X-Ios-Bundle-Identifier")

let session = URLSession.shared

let datatask = session.dataTask(with: request as URLRequest) { (data, response, error) in
    do{
        if let jsonResult = try JSONSerialization.jsonObject(with: data!, options: []) as? NSDictionary {
            print("asyncResult\(jsonResult)")
        }
    }
    catch let error as NSError {
        print(error.localizedDescription)
    }
}
datatask.resume()