This assums you are using npm, node and cordova-cli.

npm install cordova

Install

Copy resources_copier.js into the .cordova/hooks/before_prepare directory.

Assets directory

Create a config folder on the root of your cordova project. Place your assets (icons & splash screens) in that directory;

.cordova
config
`-- android
    |-- res
    |   |-- drawable
    |       |-- icon.png
    |       `-- splash.png
    |   |-- drawable-hdpi
    |       |-- icon.png
    |       `-- splash.png
    |   |-- drawable-land-hdpi
    |       |-- icon.png
    |       `-- splash.png
    |   |-- ...
platforms
www
...

Test

Type in the CLI cordova prepare android. It copies files into the Android platforms. To debug add -d; cordova prepare android -d

You may have to user sudo chmod -R a+rwx ./.cordova/hooks/before_prepare/resources_copier.js to update permissions to run the hook.

Usage and platform notes

Android splash screen

In order to take advantage of the splash screen in Android, add this two linees to the config.xml in your www folder

<preference name="SplashScreen" value="splash" />
<preference name="SplashScreenDelay" value="3000" />

Notes

As of cordova 3.3 and Android splash screen support; cordova assums you put landscape screens in folders where you append land to the name, like; drawable-land-xhdpi