Blocker is a component controller for Android applications that currently supports using PackageManager and Intent Firewall to manage the state of components.

github.com/lihenggui/blocker
Blocker homepage screenshot

About Blocker

Blocker is a component controller for Android applications. It manages component states through PackageManager or Intent Firewall, and users can export and import application rules. Its stated aim is to reduce bloat from redundant components and save runtime resources.

Pricing is not clearly stated.

Key features

  • Manages component states with PackageManager or Intent Firewall
  • Switches between controller methods
  • Exports and imports application rules
  • Converts MyAndroidTools backup files to Intent Firewall rules
Best for: Android users who want to disable unnecessary components in bloated apps to save runtime resources.
Good for
  • Intent Firewall mode does not change component enabled status
Watch out for
  • pm command-line control requires root permission
  • Apps can catch an exception and re-enable components disabled through PackageManager

Blocker at a glance

Type
App
Pricing
Not confirmed. Check the site
Platforms
Android
Details verified
Oct 21, 2026 · Official source
Open source
Yes · Source code
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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