Android Interview Questions and Answers
Android is one of the fast-growing programming languages and the candidates who are looking to join the Android Development domain should refer to this question and answers for sure. We are helping the freshers with basic content whereas experienced candidates can refer the core concepts prepared by the experts. Starting from beginner to advanced level, all the latest topics are covered by our skilled professionals. The content is comprised of Android Application Architecture, Android advantages, languages supported by Android, Building blocks, Android Activity Lifecycle, Android Toast, layouts, database, Adapter in Android and many more. Get the benefits of all-out posting to shine in roles like Android Developer, iOS Developer, Application Developer, Mobile Developer, Software Engineer and so on.
In case you’re searching for Android Interview Questions and answers for Experienced or Freshers, you are at the correct place. There is a parcel of chances from many presumed organizations on the planet. The Android advertise is relied upon to develop to more than $5 billion by 2021, from just $180 million, as per Android industry gauges. In this way, despite everything you have the chance to push forward in your vocation in Android Development. Gangboard offers Advanced Android Interview Questions and answers that assist you in splitting your Android interview and procure dream vocation as an Android Developer.
What is Android and the latest version of Android?
Android is an operating system that is built basically for Mobile phones. It is based on the Linux Kernel and other open-source software and is developed by Google. It is used for touchscreen mobile devices such as smartphones and tablets. But nowadays these are used in Android Auto cars, TV, watches, cameras, etc. It has been one of the best-selling OS for smartphones. Android OS was developed by Android Inc.
The latest version of Android is Android 12 (API level 31) and the initial stable release date is October 4, 2021.
To read more, refer to the article: Introduction to Android
Activity class is one of the very important parts of the Android component. Any app, no matter how small it is (in terms of code and scalability), has at least one Activity class. Unlike most programming languages, in which the main() method is the entry point for that program or application to start its execution, the android operating system initiates the code in an Activity instance by invoking specific callback methods that correspond to specific stages of its lifecycle. So it can be said that An activity is the entry point for interacting with the user.
To read more, refer to the article: Introduction to Activities in Android
Android Interview Questions For 2 Years Experience
201) How to make a TextView to be editable?
A) Either set its attribute editable =’true’ or Use EditText class instead of TextView class
202) What is NOT correct about Store in Sencha Touch?
A) Load data via a Proxy
203) How to define a new Sencha Touch class?
204) If the action is ACTION_CALL. what the data field would be?
A) URI with the number to call
A) Base class with code to manage the boring necessities of any activity that displays a MapView
206) There are five different methods to store persistent data. They are: Shared Preferences. Internal Storage. External Storage. Network and __?
207) What are location providers in Android?
208) Android AsyncTask create new thread in background?
209) What is not true about the Android application lifecycle?
A) Each activity of an app is run in its own process
210) Intent myIntent = new Intent(this. ActivityTwo.class);?
211) What is value on component’s attribute layout_widtlf and layout_heighl to display the component big enough to?
212) What is TRUE about localStorage?
213) How to listen to an event in Sencha Touch class?
A) Write event handler within listeners:{} body
214) Which method to open a Hap connection to an Uri?
215) Which statement is NOT correct about PhoneGap?
A) It doesn’t support for Java phone
216) Which are location providers in android?
217) How many CSS files can be included in a Sencha Touch project?
218) You must declare all application components in Manifest file in this way?
A)
219) In class SQLiteOpenHelper class, there are 2 methods we should usually override. What are they?
220) Is the main thread called the UI thread?