Saving User a/c details from parse on device for offline use. Swift 3
I have setup the parse & all, sign up works perfectly as needed. But after that, I am unable to get the user details back on device for offline use.
I need those objects offline once the user Logs In / Signs Up.
Class Name : User
Objects:
coverPhoto: Image.png (saved as File)profilePicture: Image.png (saved as File)usersUsername: Stringusername/email: StringfirstName: StringmiddleName: StringlastName: StringmobileNumber: StringbirthDate: Stringgender: Stringabout: String
I tried to store it using UserDefaults.standard.set(_variable name_, forKey: "String") but didn't work. :\
This is what i am geting repeatedly.
![1]](https://i.sstatic.net/2CF5e.png)
This is what i wrote:
@IBAction func loginButtonPressed(_ sender: AnyObject) {
activityIndicator = UIActivityIndicatorView(frame: CGRect(x: 0, y: 0, width: 50, height: 50))
activityIndicator.center = self.view.center
activityIndicator.hidesWhenStopped = true
activityIndicator.activityIndicatorViewStyle = .gray
activityIndicator.layer.zPosition = 1
view.addSubview(activityIndicator)
activityIndicator.startAnimating()
UIApplication.shared.beginIgnoringInteractionEvents()
if email.text == "" || password.text == "" {
createAlert(title: "Error", message: "Please enter your username & password!")
self.activityIndicator.stopAnimating()
UIApplication.shared.endIgnoringInteractionEvents()
} else {
PFUser.logInWithUsername(inBackground: email.text!, password: password.text!, block: { (suser, error) in
if error != nil {
var displayErrorMessage = "Some Error Occured! Please Try Again Later!"
if let errorMessage = error as? NSError {
displayErrorMessage = errorMessage.userInfo["error"] as! String
}
self.createAlert(title: "Dang it!", message: displayErrorMessage)
self.activityIndicator.stopAnimating()
UIApplication.shared.endIgnoringInteractionEvents()
} else {
self.performSegue(withIdentifier: "toMainFunction", sender: nil)
let query = PFUser.query()
query?.findObjectsInBackground(block: { (objects, error) in
if error != nil {
print(error)
} else if let users = objects {
for object in users {
if let user = object as? PFUser {
if user.objectId != PFUser.current()?.objectId {
if let email = user.username {
UserDefaults.standard.set(email, forKey: "email")
}
if let coverFile = user["coverPhoto"] {
UserDefaults.standard.set(coverFile, forKey: "coverPhoto")
}
if let profileFile = user["profilePicture"] {
UserDefaults.standard.set(profileFile, forKey: "profilePicture")
}
if let firstName = user["firstName"] {
UserDefaults.standard.set(firstName, forKey: "firstName")
}
if let middleName = user["middleName"] {
UserDefaults.standard.set(middleName, forKey: "middleName")
}
if let lastName = user["lastName"] {
UserDefaults.standard.set(lastName, forKey: "lastName")
}
if let mobileNumber = user["mobileNumber"] {
UserDefaults.standard.set(mobileNumber, forKey: "mobileNumber")
}
if let birthday = user["BirthDate"] {
UserDefaults.standard.set(birthday, forKey: "BirthDate")
}
if let gender = user["gender"] {
UserDefaults.standard.set(gender, forKey: "gender")
}
if let aboutYou = user["about"] {
UserDefaults.standard.set(aboutYou, forKey: "about")
}
if let username = user["usersUsername"] {
UserDefaults.standard.set(username, forKey: "username")
}
gloFirstName = UserDefaults.standard.object(forKey: "firstName") as! String
gloMiddleName = UserDefaults.standard.object(forKey: "middleName") as! String
gloLastName = UserDefaults.standard.object(forKey: "lastName") as! String
gloMobNumber = UserDefaults.standard.object(forKey: "mobileNumber") as! String
gloEmail = UserDefaults.standard.object(forKey: "email") as! String
gloUName = UserDefaults.standard.object(forKey: "username") as! String
gloBirthDate = UserDefaults.standard.object(forKey: "BirthDate") as! String
gloGenderStr = UserDefaults.standard.object(forKey: "gender") as! String
gloAbout = UserDefaults.standard.object(forKey: "about") as! String
if let coverImageData = UserDefaults.standard.object(forKey: "coverPhoto"),
let coverPhoto = UIImage(data: coverImageData as! Data){
gloCoverImage = coverPhoto
}
if let profileImageData = UserDefaults.standard.object(forKey: "profilePicture"),
let profilePicture = UIImage(data: profileImageData as! Data){
gloProfilePicture = profilePicture
}
}
}
}
}
})
self.activityIndicator.stopAnimating()
UIApplication.shared.endIgnoringInteractionEvents()
}
})
}
}
I am in a bind here.
EDIT:
EDIT#2:
Highlighted Code :
let query = PFUser.query()
query?.findObjectsInBackground(block: { (objects, error) in
if error != nil {
print(error)
} else if let users = objects {
for object in users {
if let user = object as? PFUser {
//-------------------------------------------------------------------------------------//
if user.objectId != PFUser.current()?.objectId {
if let email = user.username {
UserDefaults.standard.set(email, forKey: "email")
}
if let coverFile = user["coverPhoto"] {
UserDefaults.standard.set(coverFile, forKey: "coverPhoto")
}
if let profileFile = user["profilePicture"] {
UserDefaults.standard.set(profileFile, forKey: "profilePicture")
}
if let firstName = user["firstName"] {
UserDefaults.standard.set(firstName, forKey: "firstName")
}
if let middleName = user["middleName"] {
UserDefaults.standard.set(middleName, forKey: "middleName")
}
if let lastName = user["lastName"] {
UserDefaults.standard.set(lastName, forKey: "lastName")
}
if let mobileNumber = user["mobileNumber"] {
UserDefaults.standard.set(mobileNumber, forKey: "mobileNumber")
}
if let birthday = user["BirthDate"] {
UserDefaults.standard.set(birthday, forKey: "BirthDate")
}
if let gender = user["gender"] {
UserDefaults.standard.set(gender, forKey: "gender")
}
if let aboutYou = user["about"] {
UserDefaults.standard.set(aboutYou, forKey: "about")
}
if let username = user["usersUsername"] {
UserDefaults.standard.set(username, forKey: "username")
}
gloFirstName = UserDefaults.standard.object(forKey: "firstName") as! String
gloMiddleName = UserDefaults.standard.object(forKey: "middleName") as! String
gloLastName = UserDefaults.standard.object(forKey: "lastName") as! String
gloMobNumber = UserDefaults.standard.object(forKey: "mobileNumber") as! String
gloEmail = UserDefaults.standard.object(forKey: "email") as! String
gloUName = UserDefaults.standard.object(forKey: "username") as! String
gloBirthDate = UserDefaults.standard.object(forKey: "BirthDate") as! String
gloGenderStr = UserDefaults.standard.object(forKey: "gender") as! String
gloAbout = UserDefaults.standard.object(forKey: "about") as! String
if let coverImageData = UserDefaults.standard.object(forKey: "coverPhoto"),
let coverPhoto = UIImage(data: coverImageData as! Data){
gloCoverImage = coverPhoto
}
if let profileImageData = UserDefaults.standard.object(forKey: "profilePicture"),
let profilePicture = UIImage(data: profileImageData as! Data){
gloProfilePicture = profilePicture
}
}//-----------------------------------------------------------------------------//
}
}
}
})
Solution
Nevermind, solved it. This
if user.objectId != PFUser.current()?.objectId {
should've been this,
if user.objectId == PFUser.current()?.objectId {
since i needed my currently logged in account details to show up.
Also images can't be saved to UserDefaults. So just load it in every time you open the app and store it in a var myVariableName = UIImage() along with few if statement checks you can force unwrap it to this: var myVariableName = UIImage()!
Thanks Anyway!
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