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Swift Programming Basics for Beginner - A 10 Min Video Tutorial
As we all are aware that Swift is new programming
by sandeep.rawat
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How to move between Two UIViews Independent of the ViewController in iOS
Before moving on to the topic, first of all, I assume you all are aware of Storyboards, segues plus traveling from one view controller to another. So going from one VC to another is okay what if we need to move between two UiView’s independ...
Present ViewController with Transparent Background in Swift iOS App - Basic Steps
Sometimes we have to show a transparent View on a ViewController, For that we generally use .xib file and add them as subView in ViewController to show the transparency. But we can also give the transparency to view controller while presenting th...
How to Use Guard Statement in Swift iOS Application
Guard statement work as an error handler. If we have to send values to server which can be empty or may not be in that condition we can use guard so that if the value is nil then app will not get crashed.
let&...
How to Implement Local Notification in an iOS Swift App in 3 Steps
Local notifications are used to inform the user regarding some activity in an app. In the local notification, we don’t need any server. It triggers by the app itself at the scheduled time.
In this tutorial, we will le...
Implement Face Detection Feature in iOS Swift Using Core Image Framework
In popular apps like Facebook, you may notice that while uploading any photo post, it automatically detects human faces. Everyone now knows that the face detection feature has become the hour of need for every Photo Sharing app.
With the face ...
Necessary Steps to Add In-App Purchase Feature In Your iOS Application
The purchases made by a user to get accessiblity of special features of an app such as add free app, confined levels or full game unlock, boosts etc and these feature can be acquired within a mobile app are known as In-App Purchases.
&nbs...
Easy trick to add an Event in the System Calendar using Swift 3.0
The EventKit framework allows the applications to access the calendar on iOS Devices. However, before accessing the calendar, we are required to import EventKit framework in our controller.
import EventKit
To add event...
How to Capture Screenshot in Swift
In order to take a screenshot of a screen and save the captured screenshot to library, use the below steps:
Add the "Privacy - Photo Library Usage Description" key to info.plist
...
How to Integrating Biometric (Touch Id) Authentication in iOS Application?
iOS 8 SDK by Apple provides Local Authentication API that allows developers to integrate Touch Id authentication in applications.
To integrate Touch Id authentication follow the below steps:
Import Local Authentication framework in your ...
Swift: Get clicked image by camera
Hi All,
Sometime we have to take a picture using camera and use that image , we have to follow these simple steps.
1) Ask permission to access camera and microphone. Add these key and value in your project plist:-
<key>...
Choose Image from gallery
Hi All,
Sometime we have to pick an image/video from device gallery and to open gallery/photos of your device and pick any image , we have to follow these simple steps.
1) Ask permission to access user gallery. Add these key and v...
Hide Status bar in iOS
Hi,
If you want to hide status bar in your application then do following steps to achieve:
1- Go to info.plist file provided in left panel of your application.
2- Add a new key with name “View controller-base...
Send Text Message in Swift
Hi,
Here we’ll learn how to send messages programatically in Swift. With the use of provided MessageUI framework we will implement message functionality in our app. This framework has MFMessageComposeViewController class which prov...
Send Email in Swift
Hi,
Here I’m exploring how to send mails programatically in Swift. Apple has provided MessageUI framework to implement mail functionality in your app. This framework has MFMailComposeViewController class which provides an inter...
Convert UIColor to Hexa Color Code
Hi,
If you want to get the HexaDecimal String code for any color then below code will surely help you to come out with the hexa color string.
Here are the steps to get hexa code string for any color.
1- Declare the va...
Handling Click Events On SKSpriteNode
Hi,
Like UIButtons we don’t have IBActions for SKSpriteNode and what if we have to trigger the click event on SpriteNodes. Solution comes here by handling touch methods provided by UIResponder class.
Start by creating a subc...
Function Returning Function in Swift
Hi,
As we all know that Swift comes with new and variety of enhancements over objective C. Returning a function as a return type of a function is also one of them.
Here we are defining two functions which are accepting Int kind of...
Unit testing of swift project - User experience (UX)
Hi All,
In iOS , We have two type of testing one is UI testing (User interface) and UX testing (User experience). In this tutorial we will learn UX testing of an ios app.
User experience (UX) is the internal experience that a person h...
Generic Function in Swift
Hi,
Swift has a powerful feature of writing generic function as in Java which was missing in objective C.
It makes our code flexible and reusable for various types, meaning it can work with any data type. For similar logics and prob...
Making UIImageView Clickable Using UITapGestureRecognizer
Hi,
We all know that buttons has their own IBActions that can be drawn easily via xibs/storyboard and codes. But what if the view type is UIImageView or UILabel or any other.
In that case we can use UITapGestureRecognizer which is a...
Add InputAccessoryView in Swift for UITextField and UITextView
Hi,
Sometimes we need to show our custom accessory view when UITextField/UITextView is in editing mode or being edited. We can use inputAccessoryView property to assign a view just above the system keyboard.
Input accessory view is ...
How to Integrate Google Login in iOS App Using Swift?
Login with google is very common functionality in iOS applications. We can Implement google login in swift 3.0 either by using pods or google SDK.
We need to install the following pod-
pod 'Google/SignIn'
Then register your app on the ...
Install CocoaPods and Dependencies in Swift
Hi,
CocoaPods is a dependency manager built on Ruby. It has thousands of libraries and more than a million of apps which helps to scale our project in a graceful and stylish manner. It saves a lot of time when dealing with various de...
PopOver from storyboard
Hi,
Presenting popover from storyboard is easy and developer friendly. One can handle Popover from storyboard itself with a little code handling.
Following are the steps to present Popover from storyboard.
1- Draw an action seg...
Defer in Swift
Hi,
Swift has introduced a new keyword called 'defer'. Based on its meaning ‘defer’ puts off an action or event to a later time. It runs when the execution is about to leave the code block. You can use ‘defe...
Email Password Validation
Hello Coders,
It’s always a need to validate email at user end. Not only this but strong password is also suggested to secure accounts.
Here are snippets to validate if correct email and strong password are entered or not.
...
Rescale UImage to New Size
We may be using image sets where few images are pretty big or small in size(say big 500X500 for instance). And if you want to resize the image to your desired size then it’s easiest by creating an extension of UIImage that will draw the ima...
Find Current month,Day,WeekDay from Date in Swift
Hi,
To get the current Year, Current month, Current WeekDay, and current day if the date you can use the following code.
To use this create a Extension of the NSDate and call the method with NSDate Object.
And call the method like CURREN...
Use Collection View in swift
Hi,
Step's required to use collectionView in Swift
1- Add collection View in your project
2- Set the delegate for collection view in controller
3- Collection view has a prototype cell, you can design accordingly you want.
4- Cr...
User default in swift
Hi ,
To use userDefault in swift we can use below code to
1- Save value in userDefaults for a key
2- Fetch value for a key
3- Remove value for a key
4- Remove all value
Here is the code -
//Save a value in NSU...
Providing Extra padding in UITextField
UITextField is an editable area where one can use to get input from user using keyboard.
We often come to a situation where extra padding is required from the left or right depending on requirement. Padding is already provided by UITextField...
Copy Paste in Swift
Apple provides the UIPasteboard class which enables the data to be shared within the app and with another app. To share data we can use pasteboards.
Here is the code snippet depicting how copy and Paste functionality can be achieved in...
Animating images in ImageView
ImageView can be used for animation with a set of multiple images using various properties offered by apple.
Here are I’m going to tell you steps to animate images in ImageView:
1- Initialise an array of UIIm...
NetworkReachability Listener in Alamofire
Alamofire provides a method to check network status reachable on WWAN, Ethernet and wifi. The NetworkReachabilityManager class provided by Alamofire listens whenever there is a change in network.
It can be used to determine background informat...
Adding Properties to Attribute Inspector in Swift
Accessing properties via interface builder is quite easy and more developer friendly.
Here I’m guiding you how to to add new/custom properties to interface builder.
1- Subclass any UIObject, we are considering here UIButton ...
Function inside a function
Functions are small modules or chunk of code. Swift’s function syntax is so flexible that it allows to write a function inside a function.
Here is a syntax:
func firstFunction(arguments) -> returnType{
func secondFunction(arg...
TextToSpeech API provided by Apple
Apple has provided a powerful api to play audio from text and here are the steps to achieve:
1- Import AVFoundation framework
2- Initialise AVSpeechSynthesizer(as below)
let synthesizer = AVSpeechSynthesizer()
...
How to cancel all request from Alamofire
Hi Readers,
If you are using Alamofire framework to implement API service classes and you need to cancel all the request which are fetching data from server. You can use following Swift code snippet:
if #available(iOS 9.0, *) {
...
Open Date picker on textField begin editing in Swift
To open a date picker in textFieldShouldBeginEditing we can use the inpuView property of the textField.
To open a datePicker when text Field start editing we can follow these steps.
1- On your View Controller add a view that contains the our ...
Create a textField with left Side image and bottom border line in swift
1- Create a new class subclass of UITextField.
2 -Write down code below in new created class
3- Add a textField in ios Your viewController.
4- Chnage th class of your TextField with the new class that you created.
5- Change the attrib...
UiSplitView Controller in Swift
To Create a SplitViewController in swift follow the steps:-
1- Create a new Project.
2- Add a splitViewController.
3- Create a cocoaTouch Class inherits from UIViewController named as DetailViewController
4- Create another CoCoatouchC...
Create a Singleton class in swift
Hi,
To Create a Singleton class in swift follow steps below:
1- Add a Cocoa Class file subclass of NSObject named it as MySingleton and now write down the code as .
import UIKit
class MySingleton: NSObject {
static let ...
How to shuffle an array
Hi all,
Shuffling an array means randomly re-arranging the content of an array .Shuffling algorithm can be used in many places now days like in card games, music player , media player etc.
Shuffling of an array can be done in two ways.
...
Tic-Tac-Toe
Hi all,
Tic-Tac-Toe is simple game in which you will try to mark your sign in three blocks to make a row , column or diagonal.
RULES FOR TIC-TAC-TOE
1. The game is played on a grid that's 3 squares by 3 squares.
2. You a...
A simple function returning UIColor from HexaColor String in swift
Here are step-by-step guide to obtain UIColor:
1- Firstly you need to do is to remove all spaces and new line character sets from the string and then covert the string to UPPER Case example AABBCC.
var cString:String = hexColorString.stri...
AVAudioPlayer implementation in Swift
An easy to implement simple swift class working on AVAudioPlayer depicting various features like play, pause and stop.
// creating single instance of class
static let sharedInstance = MyAudioPlayer()
var myAudi...
Protocols in Swift
Hi All,
Protocol : - A protocol defines a representation of methods and properties that suit a particular task or piece of functionality. The protocol can then be adopted by a class, structure, or enumeration to provide an actual implementatio...
One Way Binding In Swift
Hi All,
One Way Binding :- In one way bindings, data flows only from object to UI and not vice-versa. For instance, you can have a UITextField called as nameTF which is binded with an object having property nameValue. So when the object value...
How to print without newline in swift 2.0
Hi Readers!
In swift 2.0, print() statement adds a new line character automatically, where as in swift 1.2, println() and print() were 2 separate functions.
Apple in 2.0 has given only 1 statement for print() with different parameters.
T...
How to declare Sets in Swift
Hi Readers!
Let us first understand what Sets means.
Sets
A set stores unique values of same type in a collection with no ordering. Sets should be used when there is no defined order, such as in Array. Secondly Array can store multiple ...
