End to End Technology Solutions
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 »
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 »
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 »
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 »