End to End Technology Solutions
Dark Mode was revealed at WWDC 2019 and debuted with iOS 13. It gives iOS a darker look. The appearance of Dark Mode is determined by trait collections. When a user modifies the system’s look, the system requests that all windows and views redraw their contents. Without any additional logic, UIKit controls support it out Continue Reading »
IMPORTANCE OF ACCESSIBILITY Being a creature of the 21st century and speaking of technology, we as humans have upgraded ourselves up to such an extent that our forebears could only ponder. On a factual note, technologies and software affect almost everything we do today and have an impact down the lane. All the advancements in Continue Reading »
A common scenario in application development is to have different environments, such as Debug, QA, Production… can be resolve via Multiple Firebase Environments. Requirement of having Multiple Firebase Environments : While your app is in development mode, or while it is being tested by the QA department, some “data pollution” could reach Firebase servers. Imagine your application is going to use Firebase Continue Reading »
Apple has announced iOS 11 in WWDC 2017. Like every conference, Apple revealed new iPhones with new iOS features. All of us stuck on iPhone only with its retina scan. There is a chaos for iPhone X Design. In spite of this, we’ll try to cover major changes in iOS 11 which have overshadowed new Continue Reading »
JSONExport: Now you do not need to Understand your JSON Structure and create your model manually. Here is a utility to convert your JSON into model to do that. You just need to paste your JSON in JSON field. First it will check it JSON is valid, then convert it into model. It will create different Continue Reading »
I found this quote by James O. Coplien on Japanese workplace organization methodology called 5S Clean your workplace on daily basis completely or set cleaning frequency. Use cleaning as inspection. Prevent machinery and equipment deterioration. Keep workplace safe and easy to work. Keep workplace clean and pleasing to work in. Just like our organization, the codebase Continue Reading »
Hello, folks. In this post we are going to implement a reusable component for freehand drawing. We will see how to use `UIGestureRecognizer` for drawing and using linear polarization to make our drawing smooth. We will also create a method to draw an arrow with respect to two points. So let’s start with creating a Continue Reading »
Parsing: Parsing is a process of converting data coming from server in any form like JSON, data, dictionary etc to your model class object. This task is complicated and time consuming because we have to traverse each and every data and convert it into an object manually. While parsing JSON there may be issues which arrive Continue Reading »
In educational applications we often come to a situation when we have to create a user interface for multiple answer type questions. If each question have same number of answers then it can be created very easily by creating a reusable cell in storyboard but what if number of answers in each question varies? Continue Reading »
So, Why do you need Multiple Targets ? I’m giving you an assumption. You have a project where you are interacting with Database using REST APIs. Needless to say, you will have a Login Screen, or Registration Screen or say you have Forgot Password Screen. Then, you must be having two databases Development_Db (for Development Continue Reading »
Error Handling: Error is an issue or unexpected condition that may cause a program to not function properly. Error can be compile time or runtime. Error Handling is a process of identifying, catching and recovering the error conditions. Here we are trying to handle server side error which occurred while sending request or receiving response. These errors maybe Continue Reading »
In your iOS application there are many scenario when you have to let user select an image from photo library or capture an image using Camera. In this post we will see how you can use UIImagePickerController to let user capture an image or select it from photo album. Image Picker Controller is very easy and handy Continue Reading »
What is the Problem? Guess if we have a mobile website as well as mobile App and an user share the url of any content on our website to a user who have our application installed on his/hers phone. If the user click on the link it will be opened in the web browser, but the Continue Reading »
When we use images in our application then we face different type of scenarios while handling the image. Before we go into the scenarios / situations of image handling in Application, let us understand the concept of UIImage and UIImageView. Concept of UIImage and UIImageView (container) UIImage – Bitmap with different formats Ex png and jpeg. Recommended Continue Reading »
Instruments Tool Instruments is a powerful and flexible performance-analysis and testing tool. It is a part of the Xcode tool set. Instruments tool is designed to help you profile your iOS applications in order to increase their performance and better utilization of resources. We will see How to find hot-spots in code using Time Continue Reading »
Category What is Category and why do we need this in iOS Development? First thing you need to know, Category is not a subclassing (Inheritance). Category is simply a concept of adding methods to your existing class. No need to create the instance of your category class as it will be called from your Main class instance. Continue Reading »
To get a location in iOS device, there are areas that we need to think about before we implement / design for getting location in an application. Points / Areas to consider: Where to register in application for getting location updates Accuracy – What accuracy of location are we looking for Exit Strategy in case Continue Reading »
Introduction to Lazy Loading What is lazy loading? A little introduction of lazy loading is it is a design pattern to defer the initialization of an object until the point at which it is needed. In simple words create objects when it is needed. Problems to Tackle Before talking about lazy loading of images, I want Continue Reading »
iOS Application can be developed for iPhone or iPad or Both (iPhone and iPad). Application that is developed for both is called Universal application. If you have developed application for iPhone only then it will run on iPad but will not run on full screen of iPad. To make this application cover the whole screen you Continue Reading »
We have identified some of the best practices that we need to follow while working on architecture, design and development of iOS applications. We will keep on adding more and more to it. Stay tuned… Best Coding Practices Image files naming convention There are four types of devices that we need to support while developing Continue Reading »
Web services have gained lot of importance lately. From mobile apps perspective, native apps (Andorid, iOS, Windows Phone, etc.) or HTML5/JS Frameworks like Sencha Touch need to talk to the web services to get the data and push the data. How do we ensure that request sent to web services is from authenticated client? For Continue Reading »
The brand new iOS 7 is about to release (18th Sep) and are some major User Interface changes. In fact, Engineers at Apple completely re-did the user interface. The new UI is clean, simple yet amazingly efficient. The animations are subtle yet intuitive. The use of translucency gives user the sense of the context. New Continue Reading »
When application in iOS goes in background (Say, Home button is pressed) then application will not run. In iOS, only specific application types are allowed to run in the background. Let us see them in more detail. Application Types Support for Background in iOS There are 7 types of such applications. See the details below: Continue Reading »
Welcome to the world of Location. We have been talking about Location as an important attribute in mobile apps today. Business people and Developers are talking about it. Have you ever thought as to how a testing of apps based on location can be done? Let us talk about it. This articles flows like this: Continue Reading »
Testing – Facebook integration of the app – requires different combinations of situations and cases to be tested. Ex Login to Application using Facebook when Facebook app is installed on the device. In another case, Facebook app is not installed. Let us go through some of them …. iOS – Login Test Scenarios 1. User Continue Reading »
In this tutorial we will learn – how to integrate Dropbox with iOS applications. Let us take an example of iOS application. We will be talking about the following: 1. Uploading the files from iOS App to Dropbox 2. Downloading files from Dropbox 3. Browsing the Folder / Files structure of Dropbox. There are mainly Continue Reading »
Lets assume you have developed a great application and now you want to make it “Social”. Facebook and Twitter are the two most popular social networking sites. In this tutorial, we will learn how to deep integrate Twitter in your application. Before starting, I am assuming that you are familiar with the Objective C syntax Continue Reading »
You have developed an application in iOS and now you want to make it “Social”. Facebook and Twitter are the two most popular social networking sites. In this tutorial, we will learn how to integrate Facebook in your application. 1. Register an Application With Facebook To register an iOS application with Facebook, go to http://developer.facebook.com and Continue Reading »