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5 Easy Steps to Set User Notification Feature in iOS Swift Application

User notification is a new local notification feature in iOS. It gives the additional functionality i.e. to remove pending notifications which is not possible in UILocalNotification. So lets start how it works.   As we know for schedul...

Objective C or Swift - Which Technology to Learn for iOS Development?

Swift programming language is completely based on general purpose, a multi-paradigm compilation which has been developed by Apple Inc. Swift is basically developed for various operating systems including iOS, watchOS, macOS, Linux, and tvOS. It i...

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 ...

Programmticaly Add AutoLayout by Visual Format Language in Swift

Auto layout adjusts the size and position of view according to the constraints applied to it. This approach dynamically changes our User Interface according to different screen sizes. There are different ways for adding autolayout programmatical...

Get location from postal code in Swift 3.0

1. import coreLocation in your controller. import CoreLocation 2. Add this function to your view controller. func getLocationFromPostalCode(postalCode : String){ let geocoder = CLGeocoder() geocoder.geocod...

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...

How to login with Facebook in swift 3.0

To Implement Facebook login in swift 3.0, we can use following steps. 1. install pod pod 'FacebookCore' pod 'FacebookLogin' 2.Register your app on the Facebook  developer account. After registration,Go to you info.plist, right ...

Convert NSDate from local timezone to UTC and vice versa in Swift 3.0

1. To convert UTC(Coordinated Universal Time) to Local timezone func convertToLocalDateFromUTCDate(dateStr : String) -> String { let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd HH:mm:ss Z" let...

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...

UINotification in iOS10, Swift 3.0

To implement Notification in iOS 10, follow below steps. Go to Project -> Target -> capabilities -> push notifications enable push notification. Now in Your AppDelegate Class do following steps - 1. Import UserNotifications. 2...

Convenience Initializer in Swift with Example

Convenience Initializer used in swift as a supporting initializer. By using the convenience initializer you can put multiple -init along with other and use whichever you want to use.   convenience initializers have the convenience keyw...

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...

How to store user information in NSUserDefaults in swift language?

Hi Reader’s, This blog includes the concept of how to store user information in NSUserDefaults in swift language. Below is the code in swift language for the same:-   import UIKit import Foundation class RegisterViewCont...

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...

Add camera node in sceneKit

  Adding Camera node  provide us the point of view from which we view our scene. To add camera node we have to simply make the SCNCamera object and assign it to node’s camera property.       let ...

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...

How to change voice using AVSpeechSynthesis in swift

This blog includes the use of - AVSpeechSynthesisVoice  If we want to change the default voice i.e system voice then we need to use speechVoices{} array which contains the name of persons and locations. iOS has a nice method for sett...

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() ...

Bottom pull to refesh for pagination in table view in Swift

Hi Readers, Pagination is required in most of our apps in today scenario. We can achieve it either pull to refresh from top or bottom. UIRefreshControl is the feature if you want to implement it from top side and insert processed records into ...

How to parse JSON in Swift with ObjectMapper

Hi Readers, Every app needs to parse JSON data coming from server and ObjectMapper is a powerful tool to achieve that. It can be easily done with provided pod which can be install by adding following line into podfile:  pod 'ObjectMa...

Blocks or closures in Swift

Hi Readers, We used to code blocks in Objective C, mainly to implement callbacks. For that particular functionality we can use closures in Swift. That will work same as blocks in Objective C. Closures are enclosed in curly braces { } and are d...

How to download videos from YouTube in iOS

Hi Readers, We can download video file from Youtube if we know youtube URL of the video. First you need to add attached files (HCYoutubeParser) into your project. Now you need to call following function into your code: let video = HCYout...

How to download data Using NSOperations and NSOperationQueue

Hi Readers, It is sometimes required to download files or images from server into local. We can perform these tasks by NSOperation and NSOperationQueue efficiently. The basic idea is to create each download operation separately and add these o...
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