Fix for cordova 3.6.3

icons_and_splash.js

#!/usr/bin/env node

var cordova_util = require('cordova-lib/src/cordova/util');
var projectRoot = cordova_util.isCordova(process.cwd());
var projectXml = cordova_util.projectConfig(projectRoot);
var ConfigParser = require('cordova-lib/src/ConfigParser/ConfigParser');
var projectConfig = new ConfigParser(projectXml);
projectConfig.name();

var fs = require ('fs');

var platformDir = {
  ios: {
    icon: "{$projectName}/Resources/icons",
    splash: "{$projectName}/Resources/splash",
    nameMap: {
      "icon-57.png": "icon.png",
      "icon-57-2x.png": "icon@2x.png",
      "icon-72-2x.png": "icon-72@2x.png",
      "screen-iphone-portrait.png": "Default~iphone.png",
      "screen-iphone-portrait-2x.png": "Default@2x~iphone.png",
      "screen-iphone-portrait-568h-2x.png": "Default-568h@2x~iphone.png"
    }
  },
  android: {
    icon:"res/drawable-{$density}",
    splash:"res/drawable-{$density}",
    nameMap: {
      "icon-36-ldpi.png": "icon.png",
      "icon-48-mdpi.png": "icon.png",
      "icon-72-hdpi.png": "icon.png",
      "icon-96-xhdpi.png": "icon.png",
      "screen-ldpi-portrait.png": "ic_launcher.png",
      "screen-mdpi-portrait.png": "ic_launcher.png",
      "screen-hdpi-portrait.png": "ic_launcher.png",
      "screen-xhdpi-portrait.png": "ic_launcher.png"
    }
  },
  blackberry10: {},
  wp7: {},
  wp8: {}
}

function copyAsset (scope, node) {
  var platform = node.attrib['gap:platform'];
  var density  = node.attrib['gap:density'];
  var assetDirTmpl = platformDir[platform] && platformDir[platform][scope];
  if (!assetDirTmpl)
    return;

  var dict = {
    projectName: projectConfig.name(),
    density: density
  };

  var assetDir = assetDirTmpl.replace (/{\$([^}]+)}/, function (match, p1) {
    return dict[p1];
  });


  var srcPath = 'www/'+node.attrib.src;
  var fileName = srcPath.match(/[^\/]+$/)[0];
  if (platformDir[platform] && platformDir[platform].nameMap && platformDir[platform].nameMap[fileName]) {
    fileName = platformDir[platform].nameMap[fileName];
  }
  var dstPath = 'platforms/'+platform+'/'+assetDir+'/'+fileName;

  console.log ('copying from '+srcPath+' to the '+dstPath);
  // so, here we start to copy asset
  fs.stat (srcPath, function (err, stats) {
    if (err) {
      return;
    }
    var r = fs.createReadStream(srcPath);
    r.on ('open', function () {
      r.pause();
      var w = fs.createWriteStream(dstPath);
      w.on ('open', function () {
        r.pipe(w);
        r.resume();
      });
      w.on ('error', function() {
        console.log('Cannot write file');
      })
    });
    r.on ('error', function() {
      console.log('Cannot read file');
    })
  })
}

projectConfig.doc.findall ('icon').map (function (node) {
  copyAsset ('icon', node);
});

projectConfig.doc.findall ('*').filter (function (node) {if (node.tag == 'gap:splash') return true;}).map (function (node) {
  copyAsset ('splash', node);
});



// echo "======================================================================================================="

// set

// echo $1

// platforms/ios/G20Summit2013/Resources/icons/

great help, thanks ! Just use your method to upgrade to the newest cordova.