我试图导入GoogleAPIClient或GoogleAPIClientForREST [英] I'm trying to import either GoogleAPIClient or GoogleAPIClientForREST

问题描述

我试图按照

搜索路径

我还发现一些建议

所以我试图让GoogleAPIClient或GoogleAPIClientForREST工作。感谢您的帮助

解决方案

使用它作为您的Podfile：

 平台：ios，'7.0'
 use_frameworks！ 
 target'QuickstartApp'do 
 pod'GoogleAPIClientForREST / Drive'，'〜> 1.1.1'
 pod'GTMOAuth2'，'〜> 1.1.0'
 end 
  

更改导入至

  import GoogleAPIClientForREST 
  

然后按照说明如何迁移项目：

I'm trying to follow Google's tutorial on making their QuickStart app to learn how to make API calls with Swift. I followed the tutorial completely and ended up with this code

import GoogleAPIClient
import GTMOAuth2
import UIKit

class ViewController: UIViewController {

    private let kKeychainItemName = "Drive API"
    private let kClientID = "592019061169-nmjle7sfv8i8eahplae3cvto2rsj4gev.apps.googleusercontent.com"

    // If modifying these scopes, delete your previously saved credentials by
    // resetting the iOS simulator or uninstall the app.
    private let scopes = [kGTLAuthScopeDriveMetadataReadonly]

    private let service = GTLServiceDrive()
    let output = UITextView()

    // When the view loads, create necessary subviews
    // and initialize the Drive API service
    override func viewDidLoad() {
        super.viewDidLoad()

        output.frame = view.bounds
        output.editable = false
        output.contentInset = UIEdgeInsets(top: 20, left: 0, bottom: 20, right: 0)
        output.autoresizingMask = [.FlexibleHeight, .FlexibleWidth]

        view.addSubview(output);

        if let auth = GTMOAuth2ViewControllerTouch.authForGoogleFromKeychainForName(
            kKeychainItemName,
            clientID: kClientID,
            clientSecret: nil) {
            service.authorizer = auth
        }

    }

    // When the view appears, ensure that the Drive API service is authorized
    // and perform API calls
    override func viewDidAppear(animated: Bool) {
        if let authorizer = service.authorizer,
            let canAuth = authorizer.canAuthorize, canAuth {
            fetchFiles()
        } else {
            presentViewController(
                createAuthController(),
                animated: true,
                completion: nil
            )
        }
    }

    // Construct a query to get names and IDs of 10 files using the Google Drive API
    func fetchFiles() {
        output.text = "Getting files..."
        let query = GTLQueryDrive.queryForFilesList()
        query.pageSize = 10
        query.fields = "nextPageToken, files(id, name)"
        service.executeQuery(
            query,
            delegate: self,
            didFinishSelector: "displayResultWithTicket:finishedWithObject:error:"
        )
    }

    // Parse results and display
    func displayResultWithTicket(ticket : GTLServiceTicket,
                                 finishedWithObject response : GTLDriveFileList,
                                 error : NSError?) {

        if let error = error {
            showAlert("Error", message: error.localizedDescription)
            return
        }

        var filesString = ""

        if let files = response.files(), !files.isEmpty {
            filesString += "Files:\n"
            for file in files as! [GTLDriveFile] {
                filesString += "\(file.name) (\(file.identifier))\n"
            }
        } else {
            filesString = "No files found."
        }

        output.text = filesString
    }


    // Creates the auth controller for authorizing access to Drive API
    private func createAuthController() -> GTMOAuth2ViewControllerTouch {
        let scopeString = scopes.joinWithSeparator(" ")
        return GTMOAuth2ViewControllerTouch(
            scope: scopeString,
            clientID: kClientID,
            clientSecret: nil,
            keychainItemName: kKeychainItemName,
            delegate: self,
            finishedSelector: "viewController:finishedWithAuth:error:"
        )
    }

    // Handle completion of the authorization process, and update the Drive API
    // with the new credentials.
    func viewController(vc : UIViewController,
                        finishedWithAuth authResult : GTMOAuth2Authentication, error : NSError?) {

        if let error = error {
            service.authorizer = nil
            showAlert("Authentication Error", message: error.localizedDescription)
            return
        }

        service.authorizer = authResult
        dismissViewControllerAnimated(true, completion: nil)
    }

    // Helper for showing an alert
    func showAlert(title : String, message: String) {
        let alert = UIAlertController(
            title: title,
            message: message,
            preferredStyle: UIAlertControllerStyle.Alert
        )
        let ok = UIAlertAction(
            title: "OK",
            style: UIAlertActionStyle.Default,
            handler: nil
        )
        alert.addAction(ok)
        presentViewController(alert, animated: true, completion: nil)
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

}

My problem is that for

import GoogleAPIClient

I get the error "No such module GoogleAPIClient", which seems weird to me since GTMOAuth2 doesn't get an error, even though it's part of the same Pod I think (I'm new to this, so I'm probably butchering the terminology).

From researching the problem, I found that GoogleAPIClientForREST should be substituted for GoogleAPIClient. This document on GitHub says to just use GoogleAPIClientForREST in the code instead of GoogleAPIClient, but I get the same error with that as well.

Then I thought maybe I could re-install the pods with some changes to Google's tutorial. In the tutorial, it says to execute this code in Terminal

$ cat << EOF > Podfile &&
> platform :ios, '7.0'
> use_frameworks!
> target 'QuickstartApp' do
>     pod 'GoogleAPIClient/Drive', '~> 1.0.2'
>     pod 'GTMOAuth2', '~> 1.1.0'
> end
> EOF
> pod install &&
> open QuickstartApp.xcworkspace

So I thought maybe I could replace GoogleAPIClient for GoogleAPIClientForREST in the terminal code, but that landed me with the same error

As you can see in the screenshot, the framework is there on the left-hand side, but I'm still getting the "No such module" error.

Embedded Binaries and Linked Frameworks

Search Paths

I also found some suggestions here that I tried to follow, but I didn't completely understand the explanation. Nevertheless, I tried, and did this (if I did it wrong please tell me):

So I'm trying to get either GoogleAPIClient or GoogleAPIClientForREST to work. Thank you for your help

解决方案

Use this for your Podfile:

platform :ios, '7.0'
use_frameworks!
target 'QuickstartApp' do
    pod 'GoogleAPIClientForREST/Drive', '~> 1.1.1'
    pod 'GTMOAuth2', '~> 1.1.0'
end

Change your import to

import GoogleAPIClientForREST

Then follow the instructions here to migrate the project: Migrating from GoogleAPIClient to GoogleAPIClientForREST

This mostly involves changing GTL calls to GTLR calls with some word swapping. For example, GTLServiceDrive becomes GTLRDriveService.

Regarding framework search paths, this image shows the section you might need to change (note it works for me using the default):

Search paths can be per target, too. Here's an image showing the application target and the framework search paths:

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