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coil-compose

Guide Coil image loading in Jetpack Compose with AsyncImage composables.

Updated May 29, 2016
Search Tags:#ui#android#jetpack compose#compose#coil#image loading
One-click install
npx skills add https://github.com/AerisG222/maw-photos-android --skill coil-compose-aerisg222
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: coil-compose
Source: https://github.com/AerisG222/maw-photos-android/tree/main/.github/skills/coil-compose
Command: npx skills add https://github.com/AerisG222/maw-photos-android --skill coil-compose-aerisg222

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides expert guidance on efficiently loading and displaying images within Jetpack Compose applications, addressing common challenges like performance, state management, and visual presentation.

Core Features & Use Cases

  • AsyncImage Composable: The primary tool for seamless image loading from URLs, supporting placeholders, error states, and transformations.
  • rememberAsyncImagePainter: For scenarios requiring direct Painter access or manual state observation.
  • SubcomposeAsyncImage: Enables custom slot APIs for different loading states (loading, success, error).
  • Performance Optimization: Emphasizes singleton ImageLoader, main-thread safety, crossfade transitions, and appropriate sizing.
  • Use Case: Quickly implement an image gallery in your Compose app, ensuring smooth loading, placeholder display, and efficient memory usage.

Quick Start

Use the coil-compose skill to load an image from the URL 'https://example.com/image.jpg' into an AsyncImage composable with a crossfade effect.

Frequently Asked Questions about coil-compose

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I load images from a URL in Jetpack Compose?▼

To load images from a URL in Jetpack Compose, use the `AsyncImage` composable to handle network fetching, display placeholders, manage error states, and apply transformations automatically.

What is the difference between AsyncImage and SubcomposeAsyncImage in Coil?▼

AsyncImage provides standard image loading, while SubcomposeAsyncImage in Coil enables custom slot APIs for distinct loading, success, and error states within your Compose UI hierarchy.

How do I observe image loading state in Jetpack Compose?▼

To observe image loading state in Jetpack Compose, use `rememberAsyncImagePainter` for direct Painter access, allowing manual state observation and custom UI updates during the fetch process.

What is the best way to optimize image loading performance in Compose?▼

The best way to optimize image loading performance in Compose is using a singleton `ImageLoader`, ensuring main-thread safety, applying crossfade transitions, and sizing images appropriately to reduce memory usage.

Can I display custom loading placeholders for images in Compose?▼

Yes, you can display custom loading placeholders for images in Compose by utilizing `SubcomposeAsyncImage` to define specific slot API layouts for loading, success, and error visual states.

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