With this question, your interviewer is assessing your knowledge of different messaging patterns used in iOS. Massive View Controller is the state of a codebase where a lot of logic and responsibility was shoved into View Controllers that doesn’t belong there. That practice makes your code rigid, bloated, and hard to change. There are other design patterns that can help you remedy this, such as MVVM, MVP, and Coordinator. And there are archictures such as VIPER and RIBs that were made specifically for the purpose of scaling iOS code and avoiding Massive View Controller problem.
You can take as many interviews as you need to, in order to build confidence. Applications developers make updates for existing applications and compile technical handbooks to assist other developers. Their core duty is to create and test applications to make sure they work as needed.
The interviewer will ask follow-up questions if they need more information or want to explore the topic in more depth. To qualify to be an applications developer, an applicant must be fluent in several computer coding languages as well as have experience in the field. Remember we mentioned the part about not being in communication with your mobile app developer? If all goes well, you will have hired a professional mobile app developer with whom you can establish a professional working relationship. More importantly, they will be there for you long after the app is sent to the app store. The app should be submitted under your name, not under your mobile app developer’s name. The app store must know who is responsible for the app in the event that you are no longer in communication with the mobile app developer you hired.
Applying these principles will help you build better, more maintainable software. It is highly advised to be well versed in them if you are applying to a senior iOS position. The Interface Segregation Principle says many client-specific interfaces are better than one general-purpose interface. It also states that no client should be forced to depend on and implemented methods it does not use. The Open/Closed Principle states that your modules should be open for extension but closed for modification. It’s one of those things that sounds easy enough but is kind of hard to wrap your head around when you start to think about what it means.
Android Interview Questions
You can research the type of applications the organization creates using the job posting, their website, and conversations with current and former members of their software development team. When responding how to become a mobile developer to a behavioral question, you can use the STAR framework. State the situation, describe the task you were trying to achieve, discuss the actions you took, and then talk about the results.
- As a mobile app developer, they will probably have a preferred set of tools/services that they prefer to use, both from a development and a production point of view.
- Read on for some common iOS Developer job interview questions, as well as strategies on how to answer them.
- The portable wi-fi hotspot is used to share internet connection to other wireless devices.