All Questions
9,958
questions
550
votes
32
answers
411k
views
How to determine the current iPhone/device model?
Is there a way to get the device model name (iPhone 4S, iPhone 5, iPhone 5S, etc) in Swift?
I know there is a property named UIDevice.currentDevice().model but it only returns device type (iPod touch,...
- 6,863
324
votes
18
answers
203k
views
Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
What is the equivalent of UI_USER_INTERFACE_IDIOM() in Swift to detect between iPhone and iPad?
I get an Use of unresolved identifier error when compiling in Swift.
- 15.8k
237
votes
16
answers
346k
views
Get User's Current Location / Coordinates
How can I store the user's current location and also show the location on a map?
I am able to show pre-defined coordinates on a map, I just don't know how to receive information from the device.
...
- 2,430
237
votes
12
answers
302k
views
How do you create a Swift Date object?
How do you create a date object from a date in swift xcode.
eg in javascript you would do:
var day = new Date('2014-05-20');
- 3,990
231
votes
24
answers
412k
views
How to call gesture tap on UIView programmatically in swift
I have a UIView and and I have added tap gesture to it:
let tap = UITapGestureRecognizer(target: self, action: Selector("handleTap:"))
tap.delegate = self
myView.addGesture(tap)
I am trying to call ...
- 3,690
217
votes
27
answers
176k
views
How do I hide the status bar in a Swift iOS app?
I'd like to remove the status bar at the top of the screen.
This does not work:
func application
(application: UIApplication,
didFinishLaunchingWithOptions launchOptions: NSDictionary?)
-> Bool
{
...
- 9,514
213
votes
4
answers
112k
views
Swift - Convert to absolute value
is there any way to get absolute value from an integer?
for example
-8
to
8
I already tried to use UInt() assuming it will convert the Int to unsigned value but it didn't work.
- 11.1k
206
votes
12
answers
268k
views
How to segue programmatically in iOS using Swift
I'm creating an app that uses the Facebook SDK to authenticate users. I'm trying to consolidate the facebook logic in a separate class. Here is the code (stripped for simplicity):
import Foundation
...
- 8,783
190
votes
12
answers
147k
views
How can I scan barcodes on iOS? [closed]
How can I simply scan barcodes on iPhone and/or iPad?
- 28.9k
183
votes
8
answers
117k
views
ViewDidAppear is not called when opening app from background
I have a View Controller in which my value is 0 (label) and when I open that View Controller from another ViewController I have set viewDidAppear to set value 20 on label. It works fine but when I ...
- 2,855
167
votes
9
answers
70k
views
Obscure a UITextField password
I am doing a login page. I have UITextField for password.
Obviously, I do not want the password to be seen; instead, I want circles to show when typing.
How do you set the field for this to happen?
- 1,751
163
votes
8
answers
74k
views
How do I get the current version of my iOS project in code?
I would like to be able to get the current version of my iOS project/app as an NSString object without having to define a constant in a file somewhere. I don't want to change my version value in 2 ...
- 2,660
158
votes
29
answers
113k
views
How to remove border of the navigationBar in swift?
i've been trying to remove the navigationBars border without luck. I've researched and people seem to tell to set shadowImage and BackgroundImage to nil, but this does not work in my case.
My code
...
- 11.1k
152
votes
29
answers
180k
views
unable to dequeue a cell with identifier Cell - must register a nib or a class for the identifier or connect a prototype cell in a storyboard
My UITableViewController is causing a crash with the following error message:
Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'unable to dequeue a cell with ...
- 1,573
151
votes
23
answers
217k
views
Transparent iOS navigation bar
I'm creating an app and i've browsed on the internet and i'm wondering how they make this transparent UINavigationBar like this:
I've added following like in my appdelegate:
UINavigationBar....
- 11.1k
151
votes
12
answers
109k
views
How to make iPhone vibrate using Swift?
I need to make the iPhone vibrate, but I don't know how to do that in Swift. I know that in Objective-C, you just write:
import AudioToolbox
AudioServicesPlayAlertSound(kSystemSoundID_Vibrate);
But ...
- 1,773
128
votes
12
answers
119k
views
How to get the filename from the filepath in swift
How to get the filename from the given file path string?
For example if I have a filepath string as
file:///Users/DeveloperTeam/Library/Developer/CoreSimulator/Devices/F33222DF-D8F0-448B-A127-...
- 2,085
123
votes
27
answers
51k
views
SourceKitService Consumes CPU and Grinds Xcode to a Halt
This is NOT a Beta issue. I am on Xcode 6.0.1, production release. The issue I am having is that when I try to do a Build or Run the code I am working on, Xcode becomes unresponsive for large periods ...
- 5,579
119
votes
20
answers
162k
views
How to get the indexpath.row when an element is activated?
I have a tableview with buttons and I want to use the indexpath.row when one of them is tapped.
This is what I currently have, but it always is 0
var point = Int()
func buttonPressed(sender: ...
- 1,645
113
votes
12
answers
74k
views
The app delegate must implement the window property if it wants to use a main storyboard file swift
I have just developed an app, but when running in the simulator the debugger console says:
The app delegate must implement the window property if it wants to use
a main storyboard file.
I ...
- 1,296
113
votes
17
answers
197k
views
Simple and clean way to convert JSON string to Object in Swift
I have been searching for days to convert a fairly simple JSON string to an object type in Swift but with no avail.
Here is the code for web service call:
func GetAllBusiness() {
Alamofire....
- 1,133
109
votes
10
answers
85k
views
Can I change the size of UIActivityIndicator?
Whatever size i give to it while allocation, it shows fixed size only. Is it possible to increase it?
Code:
activityIndicator = [[UIActivityIndicatorView alloc] initWithFrame:
...
- 2,987
105
votes
17
answers
92k
views
How to detect when AVPlayer video ends playing?
I'am using AVPlayer for playing local video file (mp4) in Swift.
Does anyone know how to detect when video finish with playing?
Thanks
- 1,547
100
votes
5
answers
97k
views
how to add an action on UITextField return key?
I have a button and text textfield in my view. when i click on the textfield a keyboard appears and i can write on the textfield and i also able to dismiss the keyboard by clicking on the button by ...
- 1,221
96
votes
8
answers
78k
views
Location Services not working in iOS 11
I just rebuilt my app with the iOS 11 SDK in an attempt to remove the blue banner that is now always appearing. I thought - "Brilliant, that worked", only to discover that location services are now ...
- 6,765
95
votes
37
answers
147k
views
How to restrict UITextField to take only numbers in Swift?
I want the user to only enter numeric values in a UITextField. On iPhone we can show the numeric keyboard, but on iPad the user can switch to any keyboard.
Is there any way to restrict user to enter ...
user5034941
92
votes
7
answers
29k
views
@IBInspectable with enum?
I'd like to create @IBInspectable element as you see at the picture below :
my idea is to use something like enum as type for @IBInspectable, but it looks like it's not the case, any ideas how to ...
- 3,421
90
votes
12
answers
10k
views
Swift default AlertViewController breaking constraints
I am trying to use a default AlertViewController with style .actionSheet. For some reason, the alert causes a constraint error. As long as the alertController is not triggered (displayed) through a ...
- 1,636
87
votes
7
answers
75k
views
Sending SMS in iOS with Swift
First of all, I'm really surprised that this is not a duplicate, because there are TONS of stackoverflow questions that solve this in Objective-C, but I have yet to see a good answer that used Swift.
...
- 9,492
86
votes
10
answers
198k
views
How to set textColor of UILabel in Swift
When I try setting the color of a UILabel to the color of another UILabel using the code
myLabel.textColor = otherLabel.textColor
It doesn't change the color. When I use this code, however,
...
- 2,013
83
votes
13
answers
68k
views
Save images in NSUserDefaults?
Is it possible to save images into NSUserDefaults as an object and then retrieve for further use?
- 1,260
83
votes
14
answers
61k
views
safeAreaInsets in UIView is 0 on an iPhone X
I am updating my app to adapt it for iPhone X. All views work fine by now except one. I have a view controller that presents a custom UIView that covers the whole screen. Before I was using UIScreen....
- 3,531
82
votes
6
answers
114k
views
How to get the iPhone's screen width in SwiftUI?
I want to resize an Image frame to be a square that takes the same width of the iPhone's screen and consequently the same value (screen width) for height.
The following code don't work cause it gives ...
- 902
80
votes
5
answers
157k
views
How to insert new cell into UITableView in Swift
I'm working on a project where I have two UITableViews and two UITextFields, when the user presses the button the data in the first textField should go into the tableView and the second go into the ...
- 841
76
votes
3
answers
113k
views
Pass data through segue
I'm doing simple iOS application with tableview controller and detailView. All I want is to pass data through segue.
this is how it looks.
All I want is that u click on "Markíza" it will open URL ...
- 1,360
70
votes
12
answers
98k
views
How to set target and action for UIBarButtonItem at runtime
Tried this but only works for UIButton:
[btn setTarget:self action:@selector(btnClicked:) forControlEvents:UIControlEventTouchUpInside];
- 1,477
69
votes
8
answers
81k
views
Change a UIButton's text (padding) programmatically in Swift
Still learning Swift and don't know Objective-C. I saw that in order to changing a button's text programmatically requires the use of titleEdgeInsets but I am not really sure how to use it.
I would ...
- 1,395
69
votes
8
answers
104k
views
How to programmatically add a UISegmentedControl to a container view
How would I define the frame for a UISegmentedControl?
I would like the segmented control to appear at the bottom of a container view i.e UIView.
- 691
69
votes
15
answers
63k
views
How to convert UIColor to HEX and display in NSLog
I have checked several links on how to convert UIColor codes to HEX however I am not sure on how to call to the method to display them in NSLog. I haven't got the reputation to comment so posting as ...
- 5,486
67
votes
14
answers
146k
views
Open PDF file using swift
How can I add a PDF file for an app , where you click on a button to view the file & when you're done you get back to screen you were at?
- 3,019
67
votes
10
answers
35k
views
Front facing camera in UIImagePickerController
I am developing the front facing camera app in iPad2 by using the UIImagePickerController.
When I capture the image it's shows as flipped from left to right.
How do I correct this?
if ([...
- 1,284
66
votes
9
answers
53k
views
Remove Specific Array Element, Equal to String - Swift
Is there no easy way to remove a specific element from an array, if it is equal to a given string? The workarounds are to find the index of the element of the array you wish to remove, and then ...
- 2,445
65
votes
21
answers
144k
views
Email & Phone Validation in Swift
i am using the following code for phone number validation. But i am getting the following error. I cant able to proceed further. Help us to take it forward.
class PhoneNumberValidation: Validation {
...
- 887
64
votes
4
answers
74k
views
Change 'Return' button function to 'Done' in swift in UITextView
I would like to get rid of the "return" function of the keyboard while the user is typing, so there are no new lines, so instead I would like the 'return' key to function as 'Done' so it would hide ...
- 971
63
votes
8
answers
35k
views
Swift UIAlertController -> ActionSheet iPad iOS8 Crashes
currently i'm running into big trouble with my ActionSheet. On iPhone it works great, but on iPad it only crashes
I create a new project with only one button
import UIKit
extension ViewController : ...
- 6,516
63
votes
12
answers
154k
views
Change button background color using swift language
I am new to the swift language. Can someone tell me how to change the background color of a button using the swift language?
- 1,076
57
votes
12
answers
37k
views
Show iPhone cut copy paste menu on UILabel
Can we enable the cut copy paste menu for a UILabel as it is for a UITextField?
If not, and I need to convert my UILabel to UITextField, how can I enable the cut copy paste menu and not allow the ...
user152024
56
votes
10
answers
52k
views
Creating thumbnail from local video in swift
How to create thumbnail in swift from a local video file ?
For example if the video file path is located here :
file:///Users/Dev/Library/Developer/CoreSimulator/Devices/F33222DF-D8F0-448B-A127-...
- 2,085
55
votes
15
answers
47k
views
How to get 1 hour ago from a date in iOS swift?
I have been researching, but I couldnt find exact solution for my problem. I have been trying to get 1 hour ago from a date. How can I achieve this in swift?
- 673
55
votes
7
answers
57k
views
Detect iOS app entering background
I'm working on a game for iOS coded in Swift. I've tried to find a way to detect when the app enters background mode or is interrupted for other reasons, for example a phone call but can't find ...
- 733