ValueLabs Senior Android Developer Interview Questions and Answers

Q1. What is Intent Lifecycle of Fragment
Ans. 
Intent is a messaging object used to request an action from another app component.
• Intent is used to start activities, services, and broadcast receivers in Android.

• It can also be used to pass data between components.

• There are two types of intents: explicit intents and implicit intents.
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Q2. Different Types of Intent
Ans. 
Different types of Intent in Android are explicit and implicit intents.
• Explicit Intent: Used to start a specific component within the same application.

• Implicit Intent: Used to request an action from another app component.

• Example: Explicit Intent - startActivity(new Intent(this, SecondActivity.class));

• Example: Implicit Intent - Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.example.com"));
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Q3. Service and Types of Service
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Services in Android are components that run in the background to perform long-running operations.
• There are two types of services in Android: Started Services and Bound Services.

• Started Services are used for tasks that need to run independently of an activity, such as playing music in the background.

• Bound Services are used to interact with other components in the application, such as activities or fragments.

• Services can...read more
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Kotlin Coding questions. How to add 2 Strings in kotlin,

Q1. Fragment, Activity, Manifest, Android basics, Service, Intent
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Q1. About project, Skills, Roles and Responsibilities
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Q1. Package discussion, Documentation
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Q1. Some basic Questions related to iOS concepts.
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Q2. Multithreading and multitasking.
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Q1. Advanced iOS Questions.
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Q2. API Calling, Json Parsing
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Q1. Android related question
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Q1. Self intro,swift basic to advance
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Q1. Self intro , coding and technical question
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Q1. Salary discussion from hr
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It was a leetcode interview process

Q1. Career questions
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Q2. Salary questions
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Q1. Solid principles, core java,kotlin
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Q2. Mvvm,mvp,mvc,flows
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Q3. State flow shared flow
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Q4. Builder pattern
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Q1. Technical scenarios
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Q2. Java coding,data structures
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Q3. Algo,complex views,compose
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Dispatchgroup
Delegate
Protocol

Q1. What is Dispatch Group ?
Ans. 
Dispatch Group is a mechanism in iOS for managing multiple tasks and synchronizing their completion.
• Dispatch Group allows you to monitor a group of tasks and be notified when they are all completed.

• You can use Dispatch Group to wait for multiple asynchronous tasks to finish before proceeding.

• Dispatch Group can be used to manage concurrent tasks and avoid race conditions.

• Example: Using Dispatch Group to download multipl...read more
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Q2. What are delegate write an example
Ans. 
Delegates are used in iOS development to allow one object to communicate with another object.
• Delegates are used to establish communication between objects in iOS development.

• Delegates are defined using protocols in Swift or Objective-C.

• An example of using delegates is implementing the UITableViewDelegate protocol to handle table view events.
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