Android Mobile Developer Interview Questions
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Android Mobile Developer interview questions shared by candidates
2nd skype: - Lets say you have to build an activity (screen) which has a drop-down & once you select an item in the drop-down, it loads an image corresponding to that on the screen below. - How will handle cases where user is very rapidly changing his selection from the drop down
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- Use aync task for the same - Use some kind of timeout mechanism.
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Rxjava with switchMap
Q: Tell me about yourself? Q: Past Experience? Q: How did you get into mobile dev? Q: Questions about the company?
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Professionally.
Identify and provide two uses cases for and against using HTMl5 over a native mobile application.
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-HTML5 for cross-compatibility across platforms. Use Phonegap, jQuery Mobile, Titanium, TideSDK as examples. -HTML5 if future web interface. -Mobile app if you will have features relying on system behaviour (ex, iOS iCloud, Android Play Store, etc.) -Mobile app if users need performance, or if they might be using it offline (but HTML5 offline is still an option) But we are now starting to see a hybrid of these two approaches (ex. http://www.orubase.com/ Orubase). It really depends on the requirements, and the ability of developers (cost estimates) to do this. Less
Name and explain one thing you like most about NodeJS and one thing you like least about NodeJS.
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Like best: - Scalable - Easy to understand for front-end developers because it's still javascript Like least: - Not bundled with other features included in other environment like Rails. You have to download modules, but why can't these be integrated from the beginning? - Lack of cross-compatibility in modern browsers (bad answer, since he was referring to server-side JS) Less
Tell me about MVVM architecture
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I did paint on the board, a small diagram, and explained it.
Experience in e-health apps
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I have worked on some e-health app which is an inventory system for drugs
- Do a 15 min presentation about yourself explaining the highs and lows of your career. - They give you a piece of paper with some code and ask you: What does the code do ? improve the code ... - Basic android questions like what is an intent ? what is a responsive application ? Qual is an Activity ? What is a Fragment ? what is the diference between Activity and Fragment ? What is an Android Service ?
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they give u some time between each part for you to organize your ideas, focus on your career story, some time to analyze the code and ask the specific questions. Less