Cordova display all the installed apps on the users phone

code.js

// call this function first to check if the icons has been generated..
function appsIconCheck() {
    window.requestFileSystem(window.TEMPORARY, 1024 * 1024, function(fs) {
        fs.root.getDirectory('/data/data/com.awaa.applauncher/icons', {
            create: false
        }, function(dirEntry) {

            // icons generated lets get all the apps.
            window.installedapps.getApps({
                success: generateApps
            }); // onSuccess this runs the generateApps() function

        }, function() {
            console.log('Could Not Generate Apps');
        });
    }, null);
}

// this function generates the apps and appends to a div #apps
function generateApps(returnVal) {
    var appListArray = JSON.parse(returnVal.returnVal);
    appListArray.sort(compare); // sort by name

    for (var i = 0, len = appListArray.length; i < len; i++) {
        document.getElementById("apps").innerHTML += '<a onclick="launch(this);" data-package="' + this.package + '" data-activity="' + this.activity + '">' +
            '<img src="' + this.path + '"/>' + // app icon
            '<span>' + this.name + '</span>' + // app name
            '</a>';
    }
}


// this function launches the clicked app based on the package and the activity.
function launch(el) {
    var pkg = el.getAttribute("data-package");
    var act = el.getAttribute("data-activity");
    window.launch.app({
        package: pkg,
        activity: act
    });
}

// sort by name
function compare(a, b) {
    if (a.name < b.name)
        return -1;
    if (a.name > b.name)
        return 1;
    return 0;
}