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100 interview questions on Androidfor developers (2025)

Test your technical skills before an interview of Android with 100 corrected questions. Beginner, Intermediate or Expert level.

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100 questions
Easy
5 votes405 runs2 comments

What is the purpose of a RecyclerView in Android?

Mobile developer
list
adapter
Nicolas Laurentat Nov 29, 2021
Medium
3 votes335 runs0 comment

What is the interest of a "ContentProvider" in an Android application?

Mobile developer
android
contentprovider
Léoat Mar 28, 2022
Hard
2 votes405 runs0 comment

What is the name of the Android runtime?

Mobile developer
android
art
Nicolas Laurentat Dec 2, 2021
Easy
2 votes386 runs0 comment

How to get the view id in Android

Mobile developer
android
layout
Nicolas Laurentat Dec 2, 2021
Expert
2 votes363 runs0 comment

In the onStop() method. I am sure that this callback will always be called and it is likely to be returned only a few times.

Mobile developer
android
callback
Nicolas Laurentat Dec 2, 2021
Medium
2 votes159 runs0 comment

How to add a library to your Android application?

Mobile developer
android
library
Léoat Mar 28, 2022
Easy
1 vote396 runs0 comment

How to pass data to an activity in Android

Mobile developer
android
bundle
Nicolas Laurentat Nov 29, 2021
Medium
1 vote394 runs0 comment

How to change the font of a TextView in Android

Mobile developer
android
textview
Nicolas Laurentat Dec 2, 2021
Medium
1 vote390 runs0 comment

How to start a service in Android

Mobile developer
intents
services
Nicolas Laurentat Nov 30, 2021
Medium
1 vote388 runs0 comment

What is the name of the Android tool that is used to generate the R.java file?

Mobile developer
android
apk
Nicolas Laurentat Nov 30, 2021
Hard
1 vote387 runs0 comment

What is the output of the following code? public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button button = findViewById(R.id.button); button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO: Add your code here } }); } }

Mobile developer
android
java
Nicolas Laurentat Nov 30, 2021
Hard
1 vote386 runs0 comment

How to save the state of an Android activity when the device is rotated?

Mobile developer
android
activity
lifecycle
Nicolas Laurentat Dec 2, 2021
Easy
1 vote386 runs0 comment

Save the image to the phone's SD card by accessing the external storage

Mobile developer
android
storage
Nicolas Laurentat Nov 30, 2021
Medium
1 vote383 runs0 comment

What is the name of the class that is used to receive system broadcasts in Android?

Mobile developer
broadcastreceiver
intent
Nicolas Laurentat Dec 2, 2021
Medium
1 vote377 runs0 comment

What is the name of the class that is used to display data in a RecyclerView?

Mobile developer
adapter
list
Nicolas Laurentat Dec 2, 2021
Easy
1 vote376 runs0 comment

What is the order of the lifecycle methods in Android?

Mobile developer
android
lifecycle
Nicolas Laurentat Dec 2, 2021
Hard
1 vote374 runs0 comment

I need to manually apply a callback to the view for which I want to know its size when it has reached its final size.

Mobile developer
android
view
Nicolas Laurentat Dec 2, 2021
Medium
1 vote371 runs0 comment

Is it possible to use the RecyclerView in Android 3.1?

Mobile developer
android
api
level
Nicolas Laurentat Nov 26, 2021
Hard
1 vote337 runs0 comment

How to stop an activity in Android?

Mobile developer
activity
lifecycle
Léoat Mar 28, 2022
Easy
1 vote331 runs0 comment

Test an Android application on a computer

Mobile developer
emulator
android studio
Léoat Mar 28, 2022
Android tests