Best Senior developer interview questions Developer testing


But just the way “EVERY COIN HAS TWO FACES” the equation goes well with this position. Far more possibilities come with far more challenges. There is no shortcut and no magic but hard work and luck factor that governs the interview.

These interview questions are commonly asked by technical recruiters to assess your knowledge level, while also getting some useful insight into your attitude towards Android development. Likewise, instead of asking candidates to take a coding test like in a coding interview, it would be better to ask a potential senior developer how they would improve upon existing code. Do not ask senior developers to complete a test to explain a simple algorithm or data structure- most candidates for senior posts haven’t dealt with such matters in years. A job advert for a senior software developer is likely to expect candidates to have already developed high-quality software that was aligned with user needs and business goals.

Bundles are used to pass the required data to sub-folders. The current version of Android is 9.0, also called Android Pie, and it came out in August of 2018. senior android developer job Which brings up another interesting point; even if you’re not currently looking for an Android developer position, perhaps you should consider doing so!

essential Android developer interview questions with answers

Being able to communicate clearly is an important trait for a senior developer to have in their skill set, but so is the ability to look at the bigger picture. There will be times when, even as a team leader, you have to compromise in order to overcome certain challenges. Having the where with all to listen to the opinions of other team members and be able to accept constructive feedback, is what makes someone a better developer. Asking for help is not a bad thing, even as a senior. It shows you trust the opinions of the mid level developers or juniors working with you. Ask your candidates for instances when they asked for someone else’s feedback in order to sidestep challenges and proceed with a project.

senior android developer interview questions

It has been created to make possible construction of any lists with XML layouts as an item that can be customized vastly while improving the efficiency of ListViews and GridViews. This improvement is achieved by recycling the views which are out of the visibility of the user. For example, if a user scrolled down to a position where items 4 and 5 are visible; items 1, 2, and 3 would be cleared from the memory to reduce memory consumption. Gradle is a build system that is used to automate building, testing, deployment, etc. “Build.gradle” are scripts where one can automate the tasks. For example, the simple task to copy some files from one directory to another can be performed by Gradle build script before the actual build process happens.

What’s an intent in the context of Android? Describe the different types.

I have an interview and wanted to know the compensation plan and job. You will get information about company and can ask questions. I don’t think even FANNG company came this way for an inerview. Before interview HR was caiing for scheduling the inserview but after interview no calls no one even replying the mails. After 20 days again I took follow up and also asked for the feedback on my skills then HR responded you have been rejected.

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Glassdoor has 129 interview questions and reports from Android senior developer interviews. Glassdoor has 129 interview questions and reports from Senior android developer interview interviews. Remember to also tailorinterview questions to suit the specific technologies of your company. So for instance, ask a senior Java developer a specifically tailored Java interview question. Likewise, askAndroiddevelopers about the technologies they would use to create a new Android app. If your company uses a specific programminglanguage, it is good to know that your senior programmer candidate is experienced in that area.

What are the four essential states of an activity?

A Pending Intent is an action to require in the future. It allows you to pass a future Intent to a different application and permit that application to execute the Intent. The onTrimMemory is used when the operating system has determined that a process to trim unneeded memory from its subprocess.

ARMv7 is a RISC processor, with a Load/Store memory model. A Load/Store memory mode means memory access is restricted to specific instructions. An ARMV7 processor is a family of CPUs based on the RISC architecture developed by Advanced RISC Machines . The DVM is an abbreviation for Dalvik Virtual Machine which is used to run Android applications. We have listed below the best Android Interview Questions for Senior Developers.

senior android developer interview questions

Model — View — ViewModel is the industry-recognized software architecture pattern that overcomes all drawbacks of MVP and MVC design patterns. MVVM suggests separating the data presentation logic from the core business logic part of the application. This is a complex topic, so you’re only looking for a high-level overview of the steps involved. Serializableis a standard Java interface that’s easy to integrate into your app, as it doesn’t require any methods. Despite being easy to implement, Serializable uses the Java reflection API, which makes it a slow process that creates lots of temporary objects.

Explain fragment.

Gradlecreates a build variant for every possible combination of your project’s product flavors and build types. When you’re using one of the navigational methods that are closely linked to fragments, such as swipe views. Stopped – If an activity is completely obscured by another activity, it’s called as stopped. It still retains all states and the information of member components. Now, if you are looking for a job that is related to the Android developer then you need to prepare for the 2023 Android developer Interview Questions. Here, we have prepared the important Android developer Interview Questions and Answers which will help you get success in your interview.

senior android developer interview questions

So in order to interact they need to decompose their objects into primitives that the OS can understand and gather the objects across that boundary. The code to do that gathering is very complex to write, so Android handles it with AIDL. But is it easy to build your career in “Android Software Development”? What are the processes or steps to get into the Android Development World?

OnResume() – The function onResume() is called just before the user starts interacting with the application. OnCreate() – The function onCreate() is called When a user first opens an activity that acts the same as a constructor of a class. Multiple fragments can be combined in a single activity to build a multi-pane UI. Get these sure-fire tips to build your software developer portfolio with 5 top examples to inspire you. InterviewIt was pithy focused on the important aspects.

It’s a vast field with many opportunities and room for growth. Intents help to display the notification message to the user from within the Android device. It is not a part of the Android SDK. Its simplicity is its biggest beauty. Just by implementing this interface the POJO will be ready to jump from one particular activity to another.

MResult Senior Developer Interview Questions

These are the parts of a mobile app that a user sees and interacts with. It represents a Graphic User Interface , representing one Android screen. Like a window is created with the aim to display the output and to know about input in the form of a dialogue box. In the same manner, activities play its role, may not always in the form of a user interface.

It means the data will be lost if it has not been saved and restored properly from the activity which was destroyed. To avoid these issues, it is recommended to store all UI data in the ViewModel instead of an activity. DVM is a virtual machine to execute Android applications.

  • Note – The candidate must relate by citing real-life scenario and how this behavior has helped him/her in achieving the technical efficiency and boosted professionally.
  • In this COVID-19 pandemic, the world is moving from the “work from office” culture to the “work from home” culture.
  • After 20 days again I took follow up and also asked for the feedback on my skills then HR responded you have been rejected.
  • It is an indispensable way to enable data sharing between applications.
  • Continue ReadingInterview QuestionsOO Paradigm, OOP Concepts, Object methods (toString(), equals(), notify() & others), Basic Kotlin question etc.
  • JUnit is a “Unit Testing” framework for Java Applications which is already included by default in android studio.

The most important takeaway from this article is that senior developers are more than just programmers. Depending on how your company is set up, a senior developer may also focus on leading a team of developers or even selling your product’s vision externally. So it’s crucial for you to discuss the exact requirements of the team you’re recruiting for. ViewModel is one of the most critical classes of the Android Jetpack Architecture Component that support data for UI components.

What’s the difference between implicit and explicit intent?

InterviewI was referred by my friend through Employee referral programme so my Hackerrank test was skipped. My 2 rounds of interview were scheduled directly back to back in 2 hours. The weaknesses of Android stem from one of its strengths, namely that it is available everywhere and can run on a wide variety of devices. Packages are used to transfer the required data to subfolders. SQLite, a standalone open-source serverless database, is built into Android by default. Be polite while answering any questions or sharing any information.

First, re-evaluate your code and appearance for vulnerable spots and long-running operations. As the development and testing consume more time, the cost of the application may increase, depending on the application’s complexity and features. So the testing of the application becomes more difficult.

DI is a technique whereby one object supplies the dependencies of another object. Dagger 2 is the well know compile-time framework for dependency injection in Android. The onStart() method is called whenever the Activity becomes visible to the user, typically afteronCreate()oronRestart(). Implementthis interface, by extending the generated Binder interface and implementing the methods inherited from the .aidl file. Here, you’re checking that the Android eveloper understands that you need an additional component to connect an AdapterView , to an external data source. Start by making sure your Android application has the necessary read access permissions.

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