The goal of the Firefox Reality project is to create a full-featured browser exclusively for standalone AR and VR headsets.
You can find us in #fxr:mozilla.org on the Matrix (Instructions for joining), Twitter @MozillaReality, and at [email protected].
Download developer APKs for Firefox Reality generated from latest main.
Firefox Reality supports Chinese (China), Chinese (Taiwan), English, French, German, Italian, Japanese, Russian, and Spanish for user interface, voice search, and text entry. Localization is provided by Mozilla's amazing community of volunteer localizers.
For more info on localization, how it works in the Firefox Reality project, and how to correctly edit localizable text in the application, please see the localization wiki page.
Clone FirefoxReality.
git clone [email protected]:MozillaReality/FirefoxReality.git
cd FirefoxRealityClone the third-party repo.
If you're developing for the Oculus, Snapdragon VR, or VIVE, you need to clone the repo with third-party SDK files.
git clone [email protected]:MozillaReality/FirefoxReality-android-third-party.git third_partyThis repo is only available to Mozilla employees. If you have access to the relevant SDK but not this repo, you can manually place them here:
third_party/ovr_mobile/for Oculus (should contain aVrApifolder)third_party/wavesdk/for Vive (should contain abuildfolder, among other things)
The repo in third_party can be updated like so:
pushd third_party && git fetch && git checkout main && git rebase origin/main && popdFetch Git submodules.
You may need to set up two-factor authentication for the command line.
git submodule update --init --recursiveYou can build for different devices:
oculusvr: Samsung Gear VR & Oculus Gowavevr: VIVE Focus
For testing on a non-VR device:
noapi: Runs on standard Android phones without a headset
Building for Oculus Mobile, and WaveVR requires access to their respective SDKs which are not included in this repo.
The command line version of gradlew requires JDK 8 from Oracle. If you see an error that Gradle doesn't understand your Java version, check which version of you're using by running java -showversion or java -version. You're probably using JDK 9 or 10, which won't work.
Open the project with Android Studio then build and run it. Depending on what you already have installed in Android Studio, the build may fail and then may prompt you to install dependencies. Just keep doing as it suggests. To select the device to build for, go to Tool Windows > Build Variants and select a build variant corresponding to your device.
If you want to build FirefoxReality for WaveVR SDK:
Download the VIVE Wave SDK from the VIVE Developer Resources, and unzip it. Then, from the top-level project directory, run:
mkdir -p third_party/wavesdk
cp /path/to/the/sdk/2.0.32/SDK/libs/wvr_client.aar third_party/wavesdk
cp ./extra/wavesdk/build.gradle ./third_party/wavesdkMake certain to set the build flavor to wavevrDebug in Android Studio before building the project.
You might be interested in building this project against local versions of some of the dependencies. This could be done either by using a local maven repository (quite cumbersome), or via Gradle's dependency substitutions (not at all cumbersome!).
Currently, the substitution flow is streamlined for some of the core dependencies via configuration flags in local.properties. You can build against a local checkout of the following dependencies by specifying their local paths:
- GeckoView, specifying its path via
dependencySubstitutions.geckoviewTopsrcdir=/path/to/mozilla-central(and, optionally,dependencySubstitutions.geckoviewTopobjdir=/path/to/topobjdir). See Bug 1533465.- This assumes that you have built, packaged, and published your local GeckoView -- but don't worry, the dependency substitution script has the latest instructions for doing that.
Do not forget to run a Gradle sync in Android Studio after changing local.properties. If you specified any substitutions, they will be reflected in the modules list, and you'll be able to modify them from a single Android Studio window.
You can enable a dev applicationID sufix to install both dev and production builds simultaneously. You just need to add this property to your user.properties file:
simultaneousDevProduction=trueLocal release builds can be useful to measure performance or debug issues only happening in release builds. Insead of dealing with release keys you can make the testing easier just adding this property to your user.properties file:
useDebugSigningOnRelease=trueNote: the release APKs generated with a debug keystore can't be used for production.
ETC2 compression is used to improve performance and memory usage. Raw assets are placed in the uncompressed_assets folder. You can generate the compressed textures using the compressor utility in tools/compressor. You need to set up etc2comp and make it available on your PATH before running the script. Run this command to generate the compressed assets:
cd tools/compressor
npm install
npm run compressYou can enable OpenXR API for Oculus by adding this property to your user.properties file:
openxr=trueEnable USB Remote Debugging on the device.
Restart FxR and close and re-open the WebIDE page.
- If you're not on the latest version, update Android Studio from
Android Studio > Check for Updates…. - Run
File > Sync Project with Gradle Files.
- When using the native debugger you can ignore the first SIGSEGV: address access protected stop in GV thread. It's not a crash; you can click Resume to continue debugging.
- On some platforms such as Oculus Go the native debugger stops on each input event. You can set this LLDB post-attach command in Android Studio to fix the problem:
pro hand -p true -s false SIGILL - You can use
adb shell am start -a android.intent.action.VIEW -d "https://aframe.io" org.mozilla.vrbrowser/org.mozilla.vrbrowser.VRBrowserActivityto load a URL from the command line - You can use
adb shell am start -a android.intent.action.VIEW -n org.mozilla.vrbrowser/org.mozilla.vrbrowser.VRBrowserActivity -e homepage "https://example.com"to override the homepage - You can use
adb shell setprop debug.oculus.enableVideoCapture 1to record a video on the Oculus Go. Remember to runadb shell setprop debug.oculus.enableVideoCapture 0to stop recording the video.- You can also record videos on the Oculus Go by exiting to the system library, and from the Oculus tray menu (toggle with the Oculus button on the controller):
Sharing > Record Video
- You can also record videos on the Oculus Go by exiting to the system library, and from the Oculus tray menu (toggle with the Oculus button on the controller):
- You can set
disableCrashRestart=truein the gradleuser.propertiesto disable app relaunch on crash.
To compile with Servo support, create a file called user.properties in the top-level project directory and add enableServo=1. Then to enable Servo in Firefox Reality, go the Developer Options panel in the Settings, and toggle the Servo option. Then a new button will be added to the navigation bar. Clicking that button will reload the current page with Servo.
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