Android - list all .mp4 file in list and on click open file in videoplayer

var mydir = Ti.Filesystem.getFile(Ti.Filesystem.externalStorageDirectory);

var sdcardDir = mydir.getParent();

var list = Ti.UI.createListView({

top:80
});

//var listitem = Ti.UI.createListSection();

//listitem.setItems(sdcardDir); var videoplayer = Ti.Media.createVideoPlayer({

url: 'Media/Movie1.mp4', autoplay:true, movieControlMode: Titanium.Media.VIDEO_CONTROL_DEFAULT, mediaControlStyle : Titanium.Media.VIDEO_CONTROL_DEFAULT, scalingMode : Titanium.Media.VIDEO_SCALING_ASPECT_FIT

});