/
PatternTabBarController.swift
65 lines (57 loc) · 2.18 KB
/
PatternTabBarController.swift
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//
// Copyright (c) 2015 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import UIKit
import FirebaseAnalytics
/**
* PatternTabBarController exists as a subclass of UITabBarConttroller that
* supports a 'share' action. This will trigger a custom event to Analytics and
* display a dialog.
*/
@objc(PatternTabBarController) // match the ObjC symbol name inside Storyboard
class PatternTabBarController: UITabBarController {
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
if getUserFavoriteFood() == nil {
askForFavoriteFood()
}
}
@IBAction func didTapShare(_ sender: AnyObject) {
let name = "Pattern~\(selectedViewController!.title!)",
text = "I'd love you to hear about\(name)"
// [START custom_event_swift]
Analytics.logEvent("share_image", parameters: [
"name": name as NSObject,
"full_text": text as NSObject,
])
// [END custom_event_swift]
let title = "Share: \(selectedViewController!.title!)",
message = "Share event sent to Analytics; actual share not implemented in this quickstart",
alert = UIAlertController(title: title, message: message, preferredStyle: .alert)
alert.addAction(UIAlertAction(title: "Ok", style: .default, handler: nil))
present(alert, animated: true, completion: nil)
}
@IBAction func unwindToHome(_ segue: UIStoryboardSegue?) {
if let nc = navigationController {
nc.dismiss(animated: true, completion: nil)
}
}
func getUserFavoriteFood() -> String? {
return UserDefaults.standard.string(forKey: "favorite_food")
}
func askForFavoriteFood() {
performSegue(withIdentifier: "pickFavoriteFood", sender: self)
}
}