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How Regression Testing Detects Integral Errors In Business Processes
Humans are forever changing and evolving and so to
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Get Display Banner Advertising Opportunity on FindNerd Platform
“Do you have a product or service that nee
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Android O Released with Top 7 New Features for App Developers
Android was founded by Andy Rubin, Rich Miner, Nic
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Top 5 Features That Make Laravel the Best PHP Framework for Development
Laravel is a free open source Web Framework of PHP
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Objective C or Swift - Which Technology to Learn for iOS Development?
Swift programming language is completely based on
by siddharth.sindhi
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App Group capability of iOS
Hi All,
In iOS, AppExtension and its containing application and groups of application use App Groups capability to share data between them. For example if keyboard extension app want to share data with its containing application.
Using app ...
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...
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...
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...
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...
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.
...
iOS iMessage emoji Animated Stickers Pack Application for iPhones - Apple
iOS provides a richer way to express feelings via iMessages using various stickers. And most interestingly these stickers are not limited, one can build their own stickers too and submit it to iTunes stores like other apps.
Here I&...
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...
Convert Hexacode to UIColor in objective c
To convert the hexacode to color we can create a category of UIColor and implement the following code -
it will return the code corresponding to that hexacode
Hexa code can be in following format
1- #RGB
2 -#ARGB
3- #RRGGBB
4- #AARRGG...
Pusht to new ViewController with top to bottom animation
Hi,
Normally when we push to a ViewController it show the animation from left to right.
But we can change this to animation from to top to bottom.
here is the code to push a view controller from top to bottom.
- (void)pushFromTop:(U...
Launch Date Apple iPhone 7 Confirmed: Here are Some Expectations, Forecasts and Rumors
Its official and it's out - The iPhone 7 will be launched on September 7. Apple has put an end to all the rumours that circulated over the launch of iPhone 7 series. Apple sent out the media invites confirming the time and date of the mobile ...
How to add records into Firebase in iOS sdk?
Hi Readers,
Many developers use third party SDK for saving records into the Database, Firebase provides us this functionality. To add records into Firebase, please follow these steps:
First of all, you need to create a reference to Firebase...
Bounce effect on View
iOS has integrated full physics engine to UIKit. Which not only integrate physics-related capabilities but adds smooth and fascinating animations by using underlying iOS Physics engine and provided dynamic items what we send in API. One can use t...
How to Display banner ads for DFP users in ObjectiveC
This blog includes how to display banner ads for DFP users.For this first user need to signed up as a DFP (Double click for publisher) and then install cocoa pods for Google mobile ads.
pod 'Google-Mobile-Ads-SDK'
We can also in...
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...
Most Popular Application Development Frameworks 2016
"Developing mobile applications used to mean that you had to write native code, for each individual device or operating system that your client required. However, these past few years the term Hybrid App Deve...
Generate random number without repetition in ObjectveC
This blog includes generating the random number without repetition of number in specific range.
For this we need to take a array to store the generated number so that we can keep track that the number is already generated or not.
Here is th...
How Interactive Worksheets Help Your Kids Learn Smartly & Funny Way
Being a parent you must be worried about your kids’ education and finding new ways to help them learn and grow! After all, your kids are your greatest assets for whom you do everything. To keep this in mind you have to find a better solutio...
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...
No Selection in interface builder
With Xcode4.0 and onward(including XCode7.x) we occasionally come across an issue in interface builder which happens while working.
The Attribute inspector in Interface builder says “No Selection” although you’ve object/ele...
Update location in background after specific interval of time in objecticeC
This blog includes updation of location while your app is in background mode. Sometimes we need to fetch the user location while the app is in a background. To achieve this first we need to use the location manager.
Here is the code ...
Creating SubDirectory using XCAssets
Sometimes we need to be more generic about naming convention of images. We may need same name of assets(images) for various views.
Xcode doesn’t allow us to keep the files with same name and can throw error or change the asset name by it...
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()
...
Clear view or image with touch in iOS
Hi Readers,
Paint related apps are usually used to clear content what have been drawn. One can achieve it by using Core Graphics framework provided by iOS.
With touch delegate methods will be called so following code snippet will give prope...
How to fadeIn the selected cell of uicollection view in objective C
If we want to fadeIn the selected cell of collection view then use the following code-
Sometimes we need to show the selected cell . For example - If we have list of songs and we want to display which song is currrently playing then FadeIn met...
Play video within given frame or in UICollectionViewCell/UITableViewCell
Hi Readers,
Usually we have scenarios for playing videos within the app. MPMoviePlayerController will be used for that. But you can see MPMoviePlayerController deprecated in iOS 9 and later. So we need to put our focus on AVPlayer now. With AV...
How to crop the video from URL in objective-C
If we record the video from our app and need to crop that video in the square shape on any other specific frame then use the following code-
In this code, we need the URL of the video that can be local URL because when we record any video it i...
How to create custom library in iOS?
Hi Reader’s,
This blog includes the concept of how to create custom library with the help of AssestsLibrary framework. Custom library is useful for multiple images selection at one time so given below is the screenshot of story...
How to set random numbers from an array as title of UIButton in iOS?
Hi Reader’s,
This blog includes the concept of how to set random numbers from an array as title of different UIButton taken in story board. Random numbers are much needed if you are making a number based gaming applic...
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 play music in the background using AVAudioplayer
Hi Readers,
Many times we need to play music even app is in background. It is normal behavior of AVAudioPlayer to play sound when app is in foreground or active state. But to play sound, music or song even in background state can be achieved b...
How to drag and drop UICollectionView cell item to another UIView in iOS?
Hi Reader’s,
This blog includes the concept of how to drag and drop UICollectionView cell item to another UIView with the help of long press gesture. First of all given below is the snapshot of storyboard in which collection ...
Customizing search bar in iOS SDK
Hi Readers,
Customizing search bar can be easily done with UISearchBar. All you need to check view hierarchy of search bar subviews for that as with latest iOS SDK hierarchy can get changed. Customizing can be done by changing these views colo...
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...
How to decode HTML string coming from server to iOS readable string
Hi Readers,
Many time we will get HTML content in our API response which we need to load into our component like UILabel. We can convert this HTML content into normal string or more specifically NSAttributed string which we can set into ...
How to perform task in background thread using GCD
Hi Readers,
GCD stands for Grand Central Dispatch. It can be used to handle background task. In app requirement many time we need to perform some tasks like calculation etc without any effect on main thread. So all we need is to perform that p...
How to implement autolayout programatically in iOS?
Hi Reader’s,
This blog includes the concept of implementing autolayout programatically. This can be done in two ways:-
1.NSLayoutConstraint Class
2.VisualFormat
Below is an example which includes a UITextField ...
Make a simple paint application in iOS
We all have seen a paint application in our PCs or laptops. So, here we are going to build a simple application which uses different colors to draw on the screen :-
Lets start with making the UI. Drag an UIImageView and UIView in the...
How to make a view blur in iOS
If you want to make any UIView blur just like 'Notification' bar screen then here is a simple code to make it happen.
This method will return a blur view and you can add that to your view as a sub view.
-(UIVisualEffectView*)creat...
How to take screen shot of an iOS device
If you want to capture screen of an iOS device as you take the same from iPhone by pressing 'Power' button an 'Home' button then here is the code. It will take screen shot even if there is any transformation or transition running....
How to check metadata of an audio file in iOS
Hi Readers,
The below code snippet will give you the meta data of an audio file. You need to add an audio file in Resource Folder. Once that is done use the below code. Let us also understand the code.
- (void)viewDidLoad {
...
How to blur UIView in iOS?
Hi Reader's,
This blog includes the code which is used to blur UIView in iOS in a very simple way. This code can be used according to the need of the user to blur the UIView. Code is given below which includes how to blur UIView ...
Crop UIImage in iOS
Hello all !
To crop an UIImage in iOS the following code can be used :-
- (void)viewDidLoad {
[super viewDidLoad];
[_originalImage setImage:[UIImage imageNamed:@"Scenery.jpg"]];
CGRect rect = CGRectMake(...
