Cordova hook for ringer volume controled Media on Android

cordova_stream_ring.js

#!/usr/bin/env node

// Changes your app to use STREAM_RING instead of STREAM_MEDIA
// v1.0
// Install mkdirp before using this hook. Run npm install mkdirp --save
// Place this file in hooks/after-prepare
// This hook will change AudioManager.STREAM_MUSIC to AudioManager.STREAM_RING

var fs = require('fs');
var path = require('path');
var mkdirp = require('mkdirp');
var rootdir = process.argv[2];
var androidCordovaMedia = [
	'src/org/apache/cordova/media/AudioHandler.java',
	'src/org/apache/cordova/media/AudioPlayer.java',
];

function androidStreamRing(codePath) {
	var javaCode = fs.readFileSync(codePath, 'utf8');

	javaCode = javaCode.replace(new RegExp('AudioManager.STREAM_MUSIC', 'g'), 'AudioManager.STREAM_RING');

	fs.writeFileSync(codePath, javaCode, 'utf8');
	process.stdout.write('Android Stream Ring changed to STREAM_RING\n');
}

function updateAndroidAudio() {
	for (var i = 0; i < androidCordovaMedia.length; i++) {
		var codePath = androidCordovaMedia[i];

		codePath = path.join('platforms/android', codePath);

		if (fs.existsSync(codePath)) {
			androidStreamRing(codePath);
		} else {
			throw 'Cordova Media implementation changed. Modify "' + path.basename(process.env.CORDOVA_HOOK) + '".';
		}
	}

}

if (rootdir) {
	var platforms = (process.env.CORDOVA_PLATFORMS ? process.env.CORDOVA_PLATFORMS.split(',') : []);

	for(var x = 0; x < platforms.length; x++) {
		try {
			var platform = platforms[x].trim().toLowerCase();

			if (platform == 'android') {
				updateAndroidAudio();
			}
		}
		catch (e) {
			process.stdout.write(e);
		}
	}
}