The document contains code snippets and instructions for setting up and configuring a B2G (Boot to Gecko) development environment. It includes commands to clone the B2G source code repository, configure the target device, sync and build the code, and flash the build to a device.

13.
Yes
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Yes
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14. {
"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"
}

21. {
"name": "My App",
"description": "My elevator pitch goes here",
"launch_path": "/index.html",
"icons": {
"16": "/img/icon-16.png",
…
},
"type": "privileged",
…
}

22. var manager = navigator.mozCameras;
var cameraList = manager.getListOfCameras();
manager.getCamera(cameraList[0], {}, function(camera){
camera.flashMode = "torch";
});

23. var storage = navigator.getDeviceStorage("music");
var req = storage.addNamed(blob, "new_music.mp3");
req.onsuccess = function(){
console.log("success");
};
req.onerror = function(){
console.log("error!");
};

24. var socket =
navigator.mozTCPSocket.open("localhost",
8080, {
binaryType: true
});
socket.ondata = function(event){
var receivedData = event.data;
// Uint8Array
}
socket.send(data);

25. var serverSocket = navigator.mozTCPSocket.listen(23451);
serverSocket.onconnect = function(socket){
console.log(socket);
socket.ondata = function(event){
var data = event.data;
console.log(data);
socket.send(data);
};
};

29. % git clone git://github.com/mozilla-b2g/B2G.git
% cd B2G
% ./config.sh target_device_name
（とっても待つ）
% git pull
% ./repo sync
% ./build.sh
（とっても、とっても待つ）
% ./flash.sh