{ "name": "My App", "description": "My elevator pitch goes here", "launch_path": "/index.html", "icons": { "16": "/img/icon-16.png", … }, "developer": { "name": "Your name or organization", "url": "http://your-homepage-here.org" }, "default_locale": "ja"}

https://developer.mozilla.org/Apps/Design/Firefox_OS_building_blocks

https://github.com/mozilla-b2g/gaia/tree/v2.0/shared/style

https://developer.mozilla.org/docs/Tools/WebIDE

• 普通のFirefoxでも開発できますが、開発者が必要とする機能が充実しているため、こちらのほうが効率良く開発が行えます。

• https://mozilla.org/firefox/channel/ よりダウンロードできます

var sdcard = navigator.getDeviceStorage("sdcard");var file = new Blob(["This is a text file."], {type: "text/plain"});

var request = sdcard.addNamed(file, "my-file.txt");

request.onsuccess = function () { var name = this.result; console.log('File "' + name + '" successfully wrote on the sdcard storage area');}

// An error typically occur if a file with the same name already existrequest.onerror = function () { console.warn('Unable to write the file: ' + this.error);}

var name = navigator.mozCamera.getListOfCameras()[0];

var streamReady = function(stream){ var display = document.querySelector("video"); display.mozSrcObject = stream; display.play();};var success = function(camera){ camera.getPreviewStream(size, streamReady);};var fail = function(error){};

navigator.mozCameras.getCamera(name, {}, success, fail);

var req = new MozActivity({ name: "pick", data: { type: "audio/mpeg" }});req.onsuccess = success;

var success = function(){ var music = this.result;

// do something};

https://marketplace.firefox.com/