Migrate Xml Views To Jetpack ComposeSAFE

An agent skill published by android.

The instruction file, verbatim from the audited commit — this is the text the model reads, and the surface the audit's instruction layer examines. Quoted here so you can judge it without cloning anything.

---
name: migrate-xml-views-to-jetpack-compose
description: Provides a structured workflow for migrating an Android XML View to Jetpack
  Compose. This skill details the step-by-step process, from planning and dependency
  setup, to theming and layout migration, validation and XML cleanup. Use this skill
  when you need to migrate an XML View to Jetpack Compose in an Android project. It
  solves the problem of converting the UI of a legacy XML View into modern, declarative
  Compose components while maintaining interoperability.
license: Complete terms in LICENSE.txt
metadata:
  author: Google LLC
  last-updated: '2026-09-18'
  keywords:
  - Jetpack Compose
  - migration
  - XML
  - Views
  - interoperability
  - incremental adoption
  - UI development
---

This skill guides through the process of migrating an existing Android XML View
to Jetpack Compose. It performs a stable, safe and visually consistent
transition by following a structured, 10-step methodology. This skill migrates
UI (XML to Jetpack Compose) only.

## Objective

To systematically convert a single legacy XML layout into modern, declarative
Jetpack Compose UI while maintaining pixel-perfect visual parity and functional
integrity.

## Summary of the 10-step migration process

1. **Identify the optimal XML candidate for migration**
2. **Analyze the project and layout**
3. **Create a plan**
4. **Capture the XML View UI**
5. **Set up Compose dependencies and compiler**
6. **Set up Compose theming**
7. **Migrate the XML layout to Compose**
8. **Validate the migration**
9. **Replace usages**
10. **XML code removal**

## Detailed steps

### Step 1: Identify the optimal XML candidate for migration

If the user has explicitly specified a target XML layout, proceed to Step 2.
Otherwise, analyze the codebase to identify the best candidate for migration by
following the logic in [references/identify-optimal-xml-candidate.md](references/identify-optimal-xml-candidate.md).

### Step 2: Analyze the project and layout

Analyze the identified XML View's structure, hierarchy, and implementation
details.
Use [references/analysis-of-the-project-and-layout.md](references/analysis-of-the-project-and-layout.md) to
guide your technical audit of the layout and surrounding project context.

### Step 3: Create a plan

Using the outputs and analysis done in the Step 1 and 2, generate a
step-by-step plan for the migration. If you support user interaction, present
to the user and ask for approval before proceeding. If user interaction is not
supported, proceed to Step 4 following the generated plan.

### Step 4: Capture the XML View UI

**IF** you support user interaction, ask the user to upload a screenshot of the
XML View UI or provide an absolute path to a file. Use this image as a visual
reference for the layout migration in Step 7.
**ELSE IF** you are able to run an Android emulator, locate an existing
screenshot test for the XML candidate. If none exists, create one using the
existing project testing framework. If no framework exists,
use **UI Automator** or **Espresso** to create a screenshot test with minimum
required setup. Run the test and take a baseline screenshot of the XML UI.
**ELSE** proceed to Step 5.

### Step 5: Set up Compose dependencies and compiler

Check `build.gradle` or `libs.versions.toml` for Compose dependencies and
compiler setup. If missing, use
[Setup Compose Dependencies and Compiler](references/android/develop/ui/compose/setup-compose-dependencies-and-compiler.md).
Run a sync to ensure dependencies resolve without errors.

### Step 6: Set up Compose theming

If the project already has Compose theming set up, proceed to Step 7. If Compose
theming is missing, initialize it. For Material-based projects, follow
[Material 3 migration guidelines](references/android/develop/ui/compose/designsystems/migrate-xml-theme-to-compose.md).
For custom design systems, apply expert judgment to migrate XML theming and
match existing styles.
**Constraints:** Do not migrate the entire theme. Implement only the minimum
theming required for the specific XML candidate. Maintain original XML themes
for interoperability. Maintain existing project code conventions, patterns,
names and values.

### Step 7: Migrate the XML View to Compose

Convert the XML candidate to Jetpack Compose code, referencing
[references/xml-layout-migration.md](references/xml-layout-migration.md) and the image from Step 4.
You must include a **Compose Preview** for the newly created composable to
facilitate visual verification.

### Step 8: Replace usages

Replace the usages of the migrated XML layout to use the new Compose component.

- To add Compose in Views, use [Compose in Views](references/android/develop/ui/compose/migrate/interoperability-apis/compose-in-views.md).
- To add Views in Compose, use [Views in Compose](references/android/develop/ui/compose/migrate/interoperability-apis/views-in-compose.md).

### Step 9: Validate the migration

Compare the baseline screenshot image from Step 4 with the rendered Compose
Preview of the new composable. Ignore string content; focus on layout and
styling. Iterate on the Compose code until visual parity is achieved. Once
verified, write a Compose UI test for the new composable.

### Step 10: XML code removal

Delete the migrated XML file and its associated legacy tests. **Caution:** Only
remove code and resources that are not referenced by other parts of the project.

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

What the source does

Filesystem

none-observed

Network

none-observed

Shell

none-observed

Dependencies

pinned

Secrets in source

none-found

Findings (0)

No findings outside the package's declared scope.

Gates applied: no_behavioural_pass.

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