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I applied via LinkedIn and was interviewed in Mar 2024. There were 4 interview rounds.
Leetcode medium question
3 board member group round for coding and system design
Top trending discussions
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There was 1 interview round.
Coding c++, dsa , c, programs etc.
I applied via Referral and was interviewed before Oct 2021. There were 3 interview rounds.
1. Reversing a linked list.
2. Find all substrings in a string.
Design an online food delivery platform
Identify target audience and their needs
Create a user-friendly interface for ordering food
Develop a robust backend system for managing orders and deliveries
Partner with local restaurants to offer a wide variety of cuisines
Implement a payment gateway for secure transactions
Provide real-time order tracking for customers
Ensure food safety and quality through proper packaging and deli...
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
Creating a new Android service
Define a class that extends Service class
Override onStartCommand() method to handle service logic
Register the service in AndroidManifest.xml file
Managing gralloc buffers involves allocating, locking, and freeing memory for graphics rendering in Android.
Allocate gralloc buffer using gralloc_alloc() function
Lock buffer for reading or writing using gralloc_lock() function
Free buffer using gralloc_free() function
Example: gralloc_alloc(usage, width, height, format, &handle)
Example: gralloc_lock(handle, usage, left, top, width, height, &vaddr)
HIDL stands for Hardware Interface Definition Language and is used for communication between HAL and framework. AIDL stands for Android Interface Definition Language and is used for inter-process communication in Android.
HIDL is used for communication between Hardware Abstraction Layer (HAL) and framework in Android
AIDL is used for inter-process communication in Android
HIDL is more efficient and faster than AIDL
Android buffers are passed from application to drivers through shared memory and buffer queues.
Android applications communicate with drivers through the HAL (Hardware Abstraction Layer)
Buffers are typically passed using shared memory regions
Buffer queues are used to manage the flow of data between application and driver
Example: Camera application passing image data to camera driver for processing
When LINUX faces a hardware interrupt, it stops executing the current code and jumps to a specific interrupt handler.
LINUX stops executing the current code and jumps to a specific interrupt handler
The interrupt handler processes the interrupt and resumes normal execution afterwards
Different hardware interrupts are handled by different interrupt handlers
The challenge while creating multiple services in Android is managing communication between services and ensuring proper synchronization.
Managing communication between services can be complex and error-prone.
Ensuring proper synchronization between services to avoid race conditions and data inconsistencies.
Handling dependencies between services and coordinating their interactions.
Testing and debugging multiple services ...
The Android boot up sequence involves several stages including power on, bootloader, kernel initialization, system server startup, and app launch.
Power on the device
Bootloader loads the Android OS kernel
Kernel initializes the system and drivers
System server starts up and launches essential services
Apps are launched and user interface becomes accessible
Permission files/SE Linux policy control access to resources based on rules set by administrators.
Permission files define who can access a file or directory and what actions they can perform.
SE Linux policy is a security mechanism that enforces rules on how processes interact with resources.
SE Linux policy is based on labels assigned to processes and resources, determining access permissions.
SE Linux policy can be cust...
A manifestation file is a configuration file used to define the properties and settings of a software application.
Manifestation files typically include information such as the application's name, version, dependencies, and permissions.
They are commonly used in software development to ensure that the application runs correctly and has access to necessary resources.
Examples of manifestation files include AndroidManifest....
I applied via Company Website and was interviewed before Mar 2023. There were 2 interview rounds.
C++, DSA, 3 hours should have good knowledge of data structure and algorithms
Find the max 3 items in an unsorted array of strings.
Sort the array in descending order.
Return the first 3 elements of the sorted array.
It was a graph coloring problem.
I was interviewed in Jan 2024.
based on 1 interview
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