Summary: Pull Request resolved: https://github.com/facebook/flipper/pull/998 After this diff all the default plugins (which are distributed with Flipper) will be included into the main app bundle instead of bundling each of them separately and then loading from file system. This is done by auto-generating plugins index in build-time and importing it from Flipper app bundle, so Metro can follow these imports and bundle all the plugins to the app bundle. This provides several benefits: 1) reduced Flipper bundle size (~10% reduction of zipped Flipper archive), because Metro bundles each of re-used dependencies only once instead of bundling them for each plugin where such dependency used. 2) Faster Flipper startup because of reduced bundle and the fact that we don't need to load each plugin bundle from disk - just need to load the single bundle where everything is already included. 3) Metro dev server for plugins works in the same way as for Flipper app itself, e.g. simple refresh automatically recompiles bundled plugins too if there are changes. This also potentially should allow us to enable "fast refresh" for quicker iterations while developing plugins. 4) Faster build ("yarn build --mac" is 2 times faster on my machine after this change) Potential downsides: 1) Currently all the plugins are identically loaded from disk. After this change some of plugins will be bundled, and some of them (third-party) will be loaded from disk. 2) In future when it will be possible to publish new versions of default plugins separately, installing new version of such plugin (e.g. with some urgent fix) will mean the "default" pre-built version will still be bundled (we cannot "unbundle" it :)), but we'll skip it and instead load new version from disk. Changelog: Internals: include default plugins into the main bundle instead producing separate bundles for them. Reviewed By: passy Differential Revision: D20864002 fbshipit-source-id: 2968f3b786cdd1767d6223996090143d03894b92
Flipper

Flipper (formerly Sonar) is a platform for debugging mobile apps on iOS and Android. Visualize, inspect, and control your apps from a simple desktop interface. Use Flipper as is or extend it using the plugin API.
Table of Contents
- Mobile development
- Extending Flipper
- Contributing to Flipper
- In this repo
- Getting started
- Building from Source
- iOS SDK + Sample App
- Android SDK + Sample app
- Documentation
- Contributing
- License
Mobile development
Flipper aims to be your number one companion for mobile app development on iOS and Android. Therefore, we provide a bunch of useful tools, including a log viewer, interactive layout inspector, and network inspector.
Extending Flipper
Flipper is built as a platform. In addition to using the tools already included, you can create your own plugins to visualize and debug data from your mobile apps. Flipper takes care of sending data back and forth, calling functions, and listening for events on the mobile app.
Contributing to Flipper
Both Flipper's desktop app and native mobile SDKs are open-source and MIT licensed. This enables you to see and understand how we are building plugins, and of course, join the community and help improve Flipper. We are excited to see what you will build on this platform.
In this repo
This repository includes all parts of Flipper. This includes:
- Flipper's desktop app built using Electron (
/desktop) - native Flipper SDKs for iOS (
/iOS) - native Flipper SDKs for Android (
/android) - Plugins:
- Logs (
/desktop/src/device-plugins/logs) - Layout inspector (
/desktop/plugins/layout) - Network inspector (
/desktop/plugins/network) - Shared Preferences/NSUserDefaults inspector (
/desktop/plugins/shared_preferences)
- Logs (
- website and documentation (
/website//docs)
Getting started
Please refer to our Getting Started guide to set up Flipper.
Requirements
- node >= 8
- yarn >= 1.5
- iOS developer tools (for developing iOS plugins)
- Android SDK and adb
Building from Source
Desktop
Running from source
git clone https://github.com/facebook/flipper.git
cd flipper/desktop
yarn
yarn start
NOTE: If you're on Windows, you need to use Yarn 1.5.1 until this issue is resolved.
Building standalone application
Provide either --mac, --win, --linux or any combination of them
to yarn build to build a release zip file for the given platform(s). E.g.
yarn build --mac --version $buildNumber
You can find the resulting artifact in the dist/ folder.
iOS SDK + Sample App
cd iOS/Sample
rm -f Podfile.lock
pod install --repo-update
open Sample.xcworkspace
<Run app from xcode>
You can omit --repo-update to speed up the installation, but watch out as you may be building against outdated dependencies.
Android SDK + Sample app
Start up an android emulator and run the following in the project root:
./gradlew :sample:installDebug
React Native SDK + Sample app
cd react-native/ReactNativeFlipperExample
yarn
yarn android
Note that the first 2 steps need to be done only once.
Alternatively, the app can be started on iOS by running yarn ios.
Troubleshooting
Older yarn versions might show an error / hang with the message 'Waiting for the other yarn instance to finish'. If that happens, run the command yarn first separately in the directory react-native/react-native-flipper.
Documentation
Find the full documentation for this project at fbflipper.com.
Our documentation is built with Docusaurus. You can build it locally by running this:
cd website
yarn
yarn start
Contributing
See the CONTRIBUTING file for how to help out.
License
Flipper is MIT licensed, as found in the LICENSE file.
