feat: added question comparing side-effect handlers (LaunchedEffect, SideEffect, DisposableEffect). #32
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…SideEffect, DisposableEffect).
WalkthroughUpdated README.md with expanded Jetpack Compose documentation that replaces generic questions with detailed comparisons of LaunchedEffect, SideEffect, and DisposableEffect, including their run timings, lifecycle relations, and example use cases. No code or API changes. Changes
Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes Poem
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✨ Finishing touches🧪 Generate unit tests (beta)
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This commit corrects the description to clarify that: - The effect block runs synchronously, not as a coroutine. - Its primary purpose is for non-suspending side effects that require explicit teardown logic (e.g., registering listeners). - It is distinct from LaunchedEffect, which is specifically for launching coroutines.
README.md
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| - `DisposableEffect` is similar to `LaunchedEffect` but provides a mandatory `onDispose` block for cleanup. The onDispose block is executed when the composable leaves the composition or when the `key` changes. | ||
| Use Case is to manage resources that require explicit cleanup, such as registering a `LifecycleObserver` and ensuring it's unregistered in the `onDispose` block to prevent memory leaks. |
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Why are we removing the older one?
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Hi @anandwana001
Because I was slightly mistaken about the explanation regarding DisposableEffect.
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Hi there!
This PR contributes a set of new Android interview questions as part of the Hacktoberfest initiative.
I added a crucial new interview question to the list, focusing on side-effect handlers in Jetpack Compose (LaunchedEffect, SideEffect, and DisposableEffect).
Changes Made
Added a new question: "Compare and contrast LaunchedEffect, SideEffect, and DisposableEffect. Provide a clear use case for each one."
Included a clear, structured answer highlighting the key differences in terms of lifecycle, use cases, and cleanup requirements.
Closes #28
This question is important as it tests a candidate's understanding of how to manage asynchronous logic and lifecycle interactions within the declarative paradigm of Compose. This is a fundamental concept and a common point of confusion for many developers.
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