FileTransfer Cordova

    var ft = new FileTransfer();
    var url_file = encodeURI('http://url/test.pdf');
    var dest_file = 'file:///sdcard/test.pdf';

    ft.download(
        url_file,
        dest_file,
        function(entry) {
            console.log("download complete: " + entry.toURL());
            cordova.plugins.disusered.open(dest_file, view_success, view_error);
            console.log("after open");

        },
        function(error) {
            console.log("download error source " + error.source);
            console.log("download error target " + error.target);
            console.log("download error code" + error.code);
            alert("download error source " + error.source);
            alert("download error target " + error.target);
            alert("download error code" + error.code);

        },
        true
    );