End to End Technology Solutions
What is Keychain Keychain is Apple’s way to manage password in the the device. Whether its Mac or iOS Device they use the same Keychain system tool back inside. It stores all your passwords for applications, sensitive information relating to website’s credentials and credit card/ debit card numbers. The main objective of existence is to secure Continue Reading »
Social media is everywhere and integrating any social media platform upgrades your application in every way. LinkedIn is one such platform widely used & client-demanding both at the same time. Integrating Sign in from LinkedIn into your app is not a difficult process. Just follow the simple steps so that you can have an 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 »
Let’s Start With a Story, There is a guy Elliot who uses the plastic money a lot. Every time he visits any shop he asks them to swipe his card instead of paper cash. Now, he visits a Shop-A to buy his daily grocery. After choosing his stuff, Shopkeeper asks him to go to their Continue Reading »
User experience is the key factor for any application. Thus, More the developer is capable of delivering help, higher is the user experience. It is a mandatory for almost every application to include sign up forms,()……etc. Hence, pops up the point of validation to all these fields. Consider a Sign up form consisting of following Continue Reading »
Introduction: Integrating your application with social media like Google, Facebook, Twitter acquires a number of users to interact with your app or deliver highest quality engagement within the target market. So here we will know about how to authenticate a user with Google to sign in with their Google account—the same account they already use with Gmail, Continue Reading »
“We all need assistants in today’s life who can remind us our daily tasks and It will be a cherry on the cake if our smart phones play that role!!” iOS is packed with this feature with the name of ‘Local Notifications’. They work like reminders and pops on the navigation bar. Simply, with iOS 4 release, 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 »
Objective To get complete crash-report whenever your app crashes. In Simple words, Firebase Crash Reporting will let you know the reason of crash along with line number in your view controller or any class. Prerequisite I’m assuming you have a project, where you want to add Firebase Crash Reporting. First thing Continue Reading »
Introduction I am going to introduce FCM (Firebase Cloud Messaging) implementation in Android app as well as in server side. FCM is a new, improved version of the Google Cloud Messaging (GCM). It has all the features of GCM as well as some additional features. Android side Implementation (Part 1 – Registration of app) 1 . Add Continue Reading »
Notifications: There are two types of notifications: Local Notification Remote Notification (Push Notification) Local notifications are scheduled and sent by an app and delivered on the same device without involvement of internet. Remote Notification (Push Notification): Push notifications are sent by remote server to the APNs and then it pushes the notification to the specific device. Continue Reading »
Cache is a prominent term which you’ve heard very often in Computing world. Alike, we have cache memory in our iPhones. As per the Wikipedia, description of cache is “Cache Memory is a fast and relatively small memory that is completely handled by the hardware, that stores the most recently used main memory (RAM). The Continue Reading »
Crop, Rotate and Resize are the fundamental image operations. In app development we come to a situation when we have to do these operations. In this post, I will guide you how to use these operations in your iOS applications using XCode 8.0 and Swift 3.0. Image Cropping: Image cropping is a process of extracting Continue Reading »
A walkthrough is the process of intentionally revealing functionality to a user. While some people argue that a user should be able to figure out how an app works just by looking at it, walkthroughs are becoming an increasingly popular user experience strategy as apps become more complex. We show the inside screens of 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 »
Introduction Before we dive into understanding about HTTP, let’s try to understand meaning of the word “Protocol”. A Protocol is a set of rules that we use for specific purposes. In the current scenario, when we are talking about protocols, it is about communication- the way we talk to each other. For instance, we speak in English Continue Reading »
A test case, in software engineering, is a set of conditions under which a tester will determine whether an application, software system or one of its features is working as it was originally established for it to do. What Fields Need to be Included in a Test Case? Test Case ID: Unique Test Case Identification Number. Purpose: A short sentence about what Continue Reading »
Millions of mobile applications are being launched in the market every day and the success of an app depends upon its experience by end users. To give a high quality experience, the mobile application should be tested thoroughly before launching. Mobile Application Testing is more complex than web application testing due to presence of multiple 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 »
UIViewController– A view controller manages a set of views and makes your app’s user interface. It coordinates with model objects and other controller objects. Basically, it plays a combine role for both view objects and controller objects. Each view controller shows it’s own views to display the app content. The views are automatically loaded when Continue Reading »
Automate Testing using TestObject Manual Testing – Executing the test cases manually without any tool support is known as manual testing. Continue Reading »
Scale Animation – Introduction Scale Animation is basically to increase or decrease the size of the View. There is a class ScaleAnimation. We need to create instance of ScaleAnimation (Can be done in XML also) to do the work. One of the main constructor of this class is: public ScaleAnimation( float fromX, float toX, float 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 »
What is AsyncTask AsyncTask is an abstract Android class which helps the Android applications to perform tasks without blocking the UI Thread. AsyncTask is designed to be a helper class around Thread and Handler. Thread Pool Pattern AsyncTask uses a thread pool pattern for running the stuff from doInBackground() The Thread pool Pattern is where number of 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 Continue Reading »
We specify a version of database in SQLiteOpenHelper constructor. Where is this version stored in database? This version is used while upgrading the database to higher versions. It is stored in Database file header as user_version number. See below: Code SQLite Maestro Tool Database header description