Top x Android Interview Questions Answers for Java Programmers

How many interview query produce you lot cook earlier going for whatsoever Android or Java interview? non many rights. In this article, nosotros volition explore to a greater extent than or less of the virtually ofttimes asked Android interview questions. Android is really hot present equally its i of the transcend operating organisation for Mobile as well as Smartphone as well as the closed competition to Apple's iOS. Android application developer project is inward demand equally well. I bring also seen a distich of Java questions inward Android interview equally well. It agency it's ameliorate to cook to a greater extent than or less Java questions equally well. Following Android Interview Questions are really basic inward nature only appear ofttimes on beginners or Intermediate programmer flat on a diverse Android interview. I bring non provided answers to this query equally it tin easily live on constitute past times doing the google. If needed I volition update this Android interview questions amongst answers equally well. These questions are adept for recap as well as exercise earlier going to Android interview.

Android Interview Questions answers

Here is a distich of interview questions from the Android operating system, It is collected from diverse telephonic as well as face-to-face interviews. Any Java programmer tin role it to cook for Android interview.

Question 1: What is the departure betwixt a regular .png as well as a nine-patch image?
Answer: This is i of the virtually pop Android Interview questions, asked inward several interviews ranging from 1 to ii years of sense to v years. The reply is, It is a resizable bitmap resources that tin live on used for backgrounds or other images on the device. The NinePatch degree permits drawing a bitmap inward ix sections. The ix piece images bring extension as.9.png. It allows extension inward nine ways e.g. iv corners that are unscaled, iv edges that are scaled inward 1 axis, as well as the middle i that tin live on scaled into both axes.

Question 2: What is an ANR notification inward Android?
Answer: ANR is curt for Application Not Responding. Android systems exhibit this dialog if the application is performing also much of project on the top dog thread as well as been unresponsive for a long current of time.

Question 3: How to part content using Android Share Intent?

Share intent is an slow as well as convenient way of sharing content of your application amongst other apps.

Question 4: When does onResume() method called?

Another ofttimes asked android interview question. onResume() method is an activity lifecycle method. This is called when the activity comes to the foreground. You tin override this method inward your activity to execute code when activity is started, restarted or comes to the foreground.

Question 5: What is an activity inward Android?
Influenza A virus subtype H5N1 description of something that an Intent sender desires.

Question 6: What is the departure betwixt an implicit intent as well as explicit intent?
There are Two types of Intent implicit as well as explicit intent, allow run into to a greater extent than or less to a greater extent than departure betwixt them.

1) implicit:-
Implicit intent when you lot telephone vociferation upwards organisation default intent similar ship email, ship SMS, dial publish etc
e.g.:

Intent sendIntent = new Intent(); sendIntent.setAction(Intent.ACTION_SEND); sendIntent.putExtra(Intent.EXTRA_TEXT, textMessage); sendIntent.setType("text/plain") startactivity(sendIntent);

2) Explicit :-
Explicit intent when you lot telephone vociferation upwards you're on application activity from i activity to another
e.g. outset activity to mo activity

Intent intent = new Intent(first.this, second.class); startactivity(intent);

Question 7: What is APK format?
The APK file is compressed AndroidManifest.XML file amongst extension.apk, Which bring application code (.dex files), resources files, as well as other files which are compressed into unmarried .apk file.

Question 8: What is Dalvik Virtual Machine?
Just similar Java application run on Oracle HotSpot JVM or Azul JVM, Android application runs on the Dalvik Virtual Machine.

Question 9: How Android app runs within Android mobile? (answer)
Since Android code is written inward Java, they are also compiled outset as well as and thence executed, only the JVM for which the bytecodes are generated is dissimilar than measure JVM. The Dalvik JVM is used to run Android app. See the reply for to a greater extent than detailed discussion.

How many interview query produce you lot cook earlier going for whatsoever Android or Top 10 Android Interview Questions Answers for Java Programmers

Here are to a greater extent than or less to a greater extent than ofttimes asked Android Interview questions for Java Programmers:

1.What is Android? is it an Operating System or programming language?
2.Which programming linguistic communication is used to prepare an application inward Android?
3.Which devices bring you lot worked on Android platform?
4.What best practices you lot follow to ensure that your application hand multiple Android devices of dissimilar concealment size, processing ability as well as features?
5.What is Activity as well as Intent inward Android? What is the departure betwixt Activity as well as Intent?
6.What form of application bring you lot developed on Android platform? Games, application
7.What is Android manifest file? Why produce you lot demand this?
8. How produce you lot implement Internationalization as well as Localization inward Android application?
9. How produce you lot respect IMEI as well as IMSI publish of an Android device

If you lot bring faced whatsoever interesting Android Question or looking for the reply of whatsoever tricky Java query or Android query as well as thence you lot tin part amongst us equally well.

Further Learning
Introduction to Android Development By John Sonmez
Java Fundamentals, Part 1 as well as 2
Start Developing for Android By Chiu-Ki Chan

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