Mobile Technologies ➔ Android Developer Job Interview Questions and Answers

Android Developer based job interviews test questions and answers list. The one who provides the best answers with a perfect presentation is the one who wins the job hunting stack. Learn about Android Developer and get preparation for your new job interview

► What is foreground Service?
► What is bound Service?
► Please explain what is a Pending Intent?
► What is background Service?
► Explain what is application Context?
► Tell us what is DDMS? Describe some of its capabilities?
► Explain me what is Armv7?
► What is difference between Activity & Service?
► Do you know what is ANR, and why does it happen?
► Do you know what are Handlers?
► What is the build process in Android?
► Explain me what is Android SDK?
► Tell us how would you update the UI of an activity from a background service?
► What is access data using Content Provider:
► What is activity Context?
► Explain me the difference between onCreate() and onStart()?
► Explain me difference between Service & Intent Service?
► Explain me what is a ContentProvider and what is it typically used for?
► Do you know the languages supported for Android development?
► Tell us what is a BuildType in Gradle? And what can you use it for?
► Tell us why would you do the setContentView() in onCreate() of Activity class?
► Please explain what is a Sticky Intent?
► Do you know what is an Action?
► Please explain the onTrimMemory() method?
► Explain me onSavedInstanceState() and onRestoreInstanceState() in activity?
► Explain me what is the difference between Service and IntentService? How is each used?
► Explain me activities?
► Please explain how to prevent the data from reloading and resetting when the screen is rotated?
► Please explain what is an Intent? Can it be used to provide data to a ContentProvider? Why or why not?
► Tell us what is the difference between Mobile Application Testing and Mobile Testing?
► What is lifecycle of an Activity?
► Please explain the difference between FLAG_ACTIVITY_CLEAR_TASK and FLAG_ACTIVITY_CLEAR_TOP?
► Tell us what is the relationship between the life cycle of an AsyncTask and an Activity? What problems can this result in? How can these problems be avoided?
► What is fragment lifecycle?
► Tell us what is the difference between a fragment and an activity? Explain the relationship between the two?
► Tell us how do you supply construction arguments into a Fragment?
► Tell us why bytecode cannot be run in Android?
► Do you know launch modes in Android?
► Tell me two ways to clear the back stack of Activities when a new Activity is called using intent?
► Tell us difference between Service, Intent Service, AsyncTask & Threads?
► What is difference between Serializable and Parcelable?
► Please explain what are intent Filters?
► Explain me three common use cases for using an Intent?
► Please explain what is difference between Serializable and Parcelable ? Which is best approach in Android?
► Explain me what is a broadcast receiver?
► Explain me what are the advantages of Android Operating System?
► Do you know what is Application?
► What are fragments?
► Explain me what is an intent?
► Please explain what is a Job Scheduling?
► Explain me difference between AsyncTasks & Threads?
► What are content providers?
► Explain me how does the activity respond when the user rotates the screen?
► Explain me scenario in which only onDestroy is called for an activity without onPause() and onStop()?
► Explain me what is the Android Application Architecture?
► Explain me what is Context?

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