Determine if the access to photo library is set or not - PHPhotoLibrary

Question

With the new functionality in iOS 8, if you are using a camera in the app, it will ask for permission to access the camera and then when you try to retake the pic, it asks f

Answer 1

I have a simple solution on swift 2.0

//
//  AppDelegate.swift
//  HoneyBadger
//
//  Created by fingent on 14/08/15.
//  Copyright (c) 2015 fingent. All rights reserved.
//

import UIKit
import Photos

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        self.window?.makeKeyAndVisible()

             self.window = UIWindow(frame: UIScreen.mainScreen().bounds)
            let storyboard = UIStoryboard(name: "Main", bundle: nil)
            let initialViewController = storyboard.instantiateViewControllerWithIdentifier("LoginPageID")
            self.window?.rootViewController = initialViewController
            self.window?.makeKeyAndVisible()
        return true
    }
    func applicationDidEnterBackground(application: UIApplication) {
        print("Application On background", terminator: "")
    }
    func applicationDidBecomeActive(application: UIApplication) {
        cameraAllowsAccessToApplicationCheck()
        photoLibraryAvailabilityCheck()
    }
    //MARK:- CAMERA ACCESS CHECK
    func cameraAllowsAccessToApplicationCheck()
    {
        let authorizationStatus = AVCaptureDevice.authorizationStatusForMediaType(AVMediaTypeVideo)
        switch authorizationStatus {
        case .NotDetermined:
            // permission dialog not yet presented, request authorization
            AVCaptureDevice.requestAccessForMediaType(AVMediaTypeVideo,
                completionHandler: { (granted:Bool) -> Void in
                    if granted {
                        print("access granted", terminator: "")
                    }
                    else {
                        print("access denied", terminator: "")
                    }
            })
        case .Authorized:
            print("Access authorized", terminator: "")
        case .Denied, .Restricted:
            alertToEncourageCameraAccessWhenApplicationStarts()
        default:
            print("DO NOTHING", terminator: "")
        }
    }
    //MARK:- PHOTO LIBRARY ACCESS CHECK
    func photoLibraryAvailabilityCheck()
    {
        if PHPhotoLibrary.authorizationStatus() == PHAuthorizationStatus.Authorized
        {

        }
        else
        {
            PHPhotoLibrary.requestAuthorization(requestAuthorizationHandler)
        }
    }
    func requestAuthorizationHandler(status: PHAuthorizationStatus)
    {
        if PHPhotoLibrary.authorizationStatus() == PHAuthorizationStatus.Authorized
        {

        }
        else
        {
            alertToEncouragePhotoLibraryAccessWhenApplicationStarts()
        }
    }

    //MARK:- CAMERA & GALLERY NOT ALLOWING ACCESS - ALERT
    func alertToEncourageCameraAccessWhenApplicationStarts()
    {
        //Camera not available - Alert
        let internetUnavailableAlertController = UIAlertController (title: "Camera Unavailable", message: "Please check to see if it is disconnected or in use by another application", preferredStyle: .Alert)

        let settingsAction = UIAlertAction(title: "Settings", style: .Destructive) { (_) -> Void in
            let settingsUrl = NSURL(string:UIApplicationOpenSettingsURLString)
            if let url = settingsUrl {
                dispatch_async(dispatch_get_main_queue()) {
                    UIApplication.sharedApplication().openURL(url)
                }

            }
        }
        let cancelAction = UIAlertAction(title: "Okay", style: .Default, handler: nil)
        internetUnavailableAlertController .addAction(settingsAction)
        internetUnavailableAlertController .addAction(cancelAction)
        self.window?.rootViewController!.presentViewController(internetUnavailableAlertController , animated: true, completion: nil)
    }
    func alertToEncouragePhotoLibraryAccessWhenApplicationStarts()
    {
//Photo Library not available - Alert
        let cameraUnavailableAlertController = UIAlertController (title: "Photo Library Unavailable", message: "Please check to see if device settings doesn't allow photo library access", preferredStyle: .Alert)

        let settingsAction = UIAlertAction(title: "Settings", style: .Destructive) { (_) -> Void in
            let settingsUrl = NSURL(string:UIApplicationOpenSettingsURLString)
            if let url = settingsUrl {
                UIApplication.sharedApplication().openURL(url)
            }
        }
        let cancelAction = UIAlertAction(title: "Okay", style: .Default, handler: nil)
        cameraUnavailableAlertController .addAction(settingsAction)
        cameraUnavailableAlertController .addAction(cancelAction)
        self.window?.rootViewController!.presentViewController(cameraUnavailableAlertController , animated: true, completion: nil)
    }
}