frankiesardo/icepick

Health v2 · maintenance only

Adoption not part of the score

3720 stars · 204 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Icepick is an Android library that eliminates boilerplate for saving and restoring instance state using annotation processing. Fields annotated with @State are automatically serialized to and restored from Bundles in Activities, Fragments, and custom Views.

Use cases

• save and restore Android activity state without boilerplate
• automatically persist fragment fields across configuration changes
• generate instance state code for custom views
• serialize custom types into Android bundles
• reduce onSaveInstanceState boilerplate in Android apps

When to choose

• you maintain a legacy Android Java project that still relies on Bundle-based instance state
• you want annotation-processed state persistence for Activities, Fragments, or custom Views
• you need custom serialization hooks via the Bundler interface

When to avoid

• you are starting a new Android project - use ViewModel with SavedStateHandle instead
• your project uses Kotlin - @Parcelize or SavedStateHandle are better supported
• you need actively maintained dependencies - the library has not been updated since 2021

Facets

library · maturity maintenance

serialization plugin-system mobile-development android-tools developer-tools jvm android instance-state annotation-processing bundle state-management boilerplate-elimination mobile

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