mirror of
https://github.com/scratchfoundation/scratchjr.git
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96 lines
4.4 KiB
Markdown
96 lines
4.4 KiB
Markdown
## Overview
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This is the official git repository hosting the source code for the
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[ScratchJr](http://scratchjr.org/) project.
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ScratchJr can be built both for iOS and Android.
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A pure-web version is planned to follow at some point in the future.
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Platform | Status
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-------- | -------------
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iOS | Released in App Store
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Android | Released in Google Play
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## Architecture Overview
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The diagram below illustrates the architecture of ScratchJr and
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how the iOS (functional), Android (functional) and pure HTML5 (future)
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versions share a common client.
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## Directory Structure and Projects
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This repository has the following directory structure:
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* <tt>src/</tt> - Shared JavaScript code for iOS and Android common client. This is where most changes should be made for features, bug fixes, UI, etc.
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* <tt>editions/</tt> - Assembly directories for each "flavor" of ScratchJr. These symlink to src for common code, and could diverge in settings and assets.
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* <tt>free/</tt> - Free edition JavaScript, including all shared code for all releases
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* <tt>android/</tt> - Android port of Scratch Jr. (Java, Android Studio Projects)
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* <tt>ScratchJr/</tt> - Android Studio Project for ScratchJr Android Application
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* <tt>bin/</tt> - Build scripts and other executables
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* <tt>doc/</tt> - Developer Documentation
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* <tt>ios/</tt> - Xcode project for iOS build. (Make sure to open <tt>ScratchJr.xcworkspace</tt> not <tt>ScratchJr.xcodeproj</tt>)
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## Building ScratchJr
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### Initial setup
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Regardless of whether you are doing iOS development or Android development, you should do these steps.
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*These instructions assume you are building both versions on Mac OSX, with [Homebrew](http://brew.sh) installed.*
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1. Clone or update the code for this repo
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2. Ensure you have node and npm [installed](https://www.npmjs.com/get-npm).
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3. Run <tt>sudo easy_install pysvg</tt> to install python svg libraries
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4. Run <tt>brew install librsvg</tt> to install commandline `rsvg-convert`
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5. Run <tt>brew install imagemagick</tt> to install commandline `magick`
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6. In the top level of the scratchjr repo directory, install npm dependencies for bundling the JavaScript: <tt>npm install</tt>
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### Analytics
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ScratchJr uses the Firebase SDK to record analytics for the app. Scratch Team developers should look for
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the configuration files in the Scratch Devs Vault. If you're not on the Scratch Team, then you'll need to
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set up your own [app analytics](https://firebase.google.com/products/analytics) with Google Firebase. It's free. Firebase will generate the configuration files for you to download.
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1. Place the `google-services.json` file in `editions/free/android-resources`
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2. Place the `GoogleService-Info.plist` file in `editions/free/ios-resources`
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### iOS
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1. To build the iOS version, you need to have a Mac with Xcode
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2. Run <tt>brew install cocoapods</tt> to install CocoaPods
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3. Run <tt>pod install</tt> to install the Firebase Analytics dependencies
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4. Open Xcode
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5. In Xcode, open <tt>ios/ScratchJr.xcworkspace</tt>
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### Android
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1. Install or update Android Studio
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2. In Android Studio, open the project <tt>android/ScratchJr</tt>
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3. Choose the appropriate flavor/build variant in Android Studio
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*Note: you can still do Android development on Ubuntu. Instead of the install commands above, run:*
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1. <tt>sudo easy_install pysvg</tt> to install python svg libraries
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2. <tt>sudo apt-get install librsvg2-bin</tt> to install rsvg-convert
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3. <tt>sudo apt-get install imagemagick</tt> to install ImageMagick
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## Where and how to make changes
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All changes should be made in a fork. Before making a pull request, ensure all changes pass our linter:
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* <tt>npm run lint</tt>
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For more information, see [CONTRIBUTING.md](https://github.com/LLK/scratchjr/blob/develop/.github/CONTRIBUTING.md).
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## Code credits
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ScratchJr would not be possible without free and open source libraries, including:
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* [Snap.svg](https://github.com/adobe-webplatform/Snap.svg/)
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* [JSZip](https://github.com/Stuk/jszip)
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* [Intl.js](https://github.com/andyearnshaw/Intl.js)
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* [Yahoo intl-messageformat](https://github.com/yahoo/intl-messageformat)
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## Acknowledgments
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ScratchJr is a collaborative effort between:
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* [Tufts DevTech Research Group](http://ase.tufts.edu/devtech/)
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* [Lifelong Kindergarten group at MIT Media Lab](http://llk.media.mit.edu/)
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* [Playful Invention Company](http://www.playfulinvention.com/)
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* [Two Sigma Investments](http://twosigma.com)
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