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This article explains the different ways of setting up the Firefox OS Simulator on your desktop computer.

Running the Firefox OS Simulator can be very useful for developers, tinkerers, and curious minds wanting to get a feel for how the Firefox OS operates. {note}'''Note:''' The Firefox OS Simulator add-on for Firefox was formerly known as [https://hacks.mozilla.org/2012/10/r2d2b2g-an-experimental-prototype-firefox-os-test-environment/ r2d2b2g].{/note} __TOC__ =Using the Firefox OS Simulator add-on (recommended)= Running the Firefox OS add-on for the Firefox browser is the quickest and easiest way to get it working in under a minute, and it works on Windows, Mac, and Linux. ==Installing the Firefox OS Simulator== Please follow these easy steps to install and run the Firefox OS Simulator add-on for Firefox: # Open your Firefox browser. # Open [https://addons.mozilla.org/en-US/firefox/addon/firefox-os-simulator/ this link] to the Firefox OS Simulator add-on. # Click on the button {button + Add to Firefox}. Firefox will download the requested add-on and ask you to confirm that you want to install it. # Click on the button {button Install} – add-on will be installed. ==Running the Firefox OS Simulator== # {for win7,8}At the top of the Firefox window click {button Firefox} button,{/for}{for winxp}At the top of the Firefox window click {menu Tools} menu,{/for}{for linux}At the top of the Firefox window click {menu Tools} menu (in the Ubuntu on the menu bar click on {menu Tools}),{/for}{for mac}On the menu bar click on {menu Tools} menu,{/for} go over to the {menu Web Developer} menu, and click {menu Firefox OS Simulator}. # On the left side of the simulator window, click on the switch {button Stopped} so that it will turn to {button Running}.<br><br> #;[[Image:simulator-fxos]] ;The simulator will start and you may now start playing with Firefox OS!{note}'''Tip:''' Use the {button home}{for mac} or {button fn}+{button left arrow} buttons{/for} on your keyboard to simulate the home button on the device.{/note} {note}'''Note:''' For more detailed information, you can read about [https://developer.mozilla.org/en-US/docs/Mozilla/Boot_to_Gecko/Using_Firefox_OS_simulator Using the Firefox OS Simulator].{/note} {for not linux} If the Firefox OS Simulator add-on does not work for some reason, you may attempt to manually install the simulator following the steps below. =Manually installing the Firefox OS Simulator= Here's how to get Firefox OS running on your desktop computer by manually compiling and installing and compiling it. These instructions are based on those by Staś Małolepszy. For more info, see [http://informationisart.com/11/ his blog post]. For more up-to-date instructions, check the [https://developer.mozilla.org/en-US/docs/Mozilla/Firefox_OS/Building_and_installing_Firefox_OS Building and Installing Firefox OS] page on the Mozilla Developer Network pages. {for mac} ==Prepare your computer== ''If you don't have these things already installed, you'll need to do this before you can get Firefox OS running.'' #[http://itunes.apple.com/us/app/xcode/id497799835?mt=12 Install XCode from the Mac App store.] #Once it's "installed" from the App store, open the app to finish the installation. #Then, open the XCode preferences and install the Command Line Tools. #;[[Image:Command line tools]] #Finally, download and install Git from http://git-scm.com/downloads ==Get the Boot2Gecko app== #Download the latest nightly build from [http://ftp.mozilla.org/pub/mozilla.org/b2g/nightly/latest-mozilla-central/ ftp.mozilla.org]. You want the latest '''mac64.dmg''' file. #Double-click the .dmg file you just downloaded to open it and then drag the '''B2G.app''' to your {filepath Applications} folder. ==Get Gaia== #First, create a folder to hold everything. For these instructions, we'll create a "FirefoxOS" folder in your {filepath Documents} folder. #Open up the Terminal application. You automatically start in your {filepath Home} folder (username:~). #;[[Image:Terminal home]] #In the Terminal window, switch to the FirefoxOS folder you created in step 1 by typing, '''cd Documents/FirefoxOS''' and then hit {button return}. #;[[Image:Terminal FirefoxOS]] #Next, clone the Gaia repository (in English that means, download a copy to your computer) by typing, '''git clone https://github<!-- -->.com/mozilla-b2g/gaia gaia''' and then hit {button return}.{note}'''Tip:''' You can copy and paste commands from this article into your Terminal.{/note} #*A bunch of stuff will happen and you'll see a download progress. When everything is done and you have a prompt again (username:FirefoxOS username$), continue with the next step. #Now you need to create a profile by typing, '''DEBUG=1 make -C gaia profile''' and then hit {button return}. #*Again, a bunch of stuff will happen. When you have a prompt again you'll be done. ==Start Firefox OS== *To start Firefox OS, open the Terminal and type, '''/Applications/B2G.app/Contents/MacOS/b2g -profile ~/Documents/FirefoxOS/gaia/profile''' and hit {button return}.{note}'''Note:''' Use the {button home} or {button fn}+{button left arrow} buttons on your keyboard to simulate the home button on the device.{/note} ==Update== This desktop version doesn't auto-update. To update it manually: #Download and install the latest nightly build from [http://ftp.mozilla.org/pub/mozilla.org/b2g/nightly/latest-mozilla-central/ ftp.mozilla.org]. #Open the Terminal, navigate to the {filepath gaia} folder inside the {filepath FirefoxOS} folder by typing, '''cd ~/Documents/FirefoxOS/gaia''' #Then type, '''git pull''' {/for} {for win} ==Get the Boot2Gecko app== #Download the [http://www.microsoft.com/en-us/download/details.aspx?id=8328 Microsoft Visual C++ 2010 SP1 Redistributable Package (x86)]. #Start the installer and follow the instructions. #Download the [https://github.com/downloads/sihorton/b2g-desktop-profile-installer/b2g-gaia-desktop.exe pre-built installer for b2g-desktop with pre-compiled gaia]. #Start the installer and follow the instructions. Be sure to leave the two checkboxes checked. ==Start Firefox OS== Simply click the {menu b2g-gaia-desktop} application shortcut from the Windows Start menu to launch Firefox OS. {note}'''Note:''' Use the {button home} button on your keyboard to simulate the home button on the device.{/note} ==Auto update== This pre-built installer includes an automatic update feature. The second time you launch the app, it will check for updates and ask you if you want to upgrade. Simply click {button Yes} and follow the instructions. The installer will detect your previous install and ask to remove it before upgrading -- say {button Yes} to that too. {/for} {/for} [[Template:ShareArticle|link=http://mzl.la/12LDBFV]]