Build a Compose Rating Card
Company: OpenAI
Role: Android Engineer
Category: Coding & Algorithms
Difficulty: medium
Interview Round: Technical Screen
Implement an Android rating card using Kotlin and Jetpack Compose.
Requirements:
- The card lets the user provide a star rating and a written comment.
- The submit button must be disabled until both a rating and a non-empty comment are provided.
- After a successful submission, show a success state or success message.
- Jetpack Compose does not provide a built-in rating bar for this exercise, so implement the rating component yourself.
- Prefer using a ViewModel to manage state.
- Prioritize clear, readable code that can be understood without extensive explanation.
You may assume a rating scale of 1 to 5 stars.
Quick Answer: This question evaluates a candidate's ability to implement Android UI components and manage form state using Kotlin and Jetpack Compose, including building a custom rating control, integrating ViewModel-based state handling, input validation, and submission feedback.