Posted in Mobile_Tips, Useful Apps

[App] JLT Free – Mobile app provide a huge of Japanese tests for learners



JLT – Japanese Language Test is a Mobile application which provide a lot of Test data for learner on N1, N2, N3, N4, N5 levels.

–          It is FREE

–          Easy to use, UI is very friendly.

–          It provice a lot of Japanese tests.

–          Test Result Analysis is clear.

–          Daily update.

How to download for Android ?

–          Way 1: Open “Google Play” on your mobile and search “JLT Free”, then install it.

–          Way 2: Get it from link:

Posted in Android Programming, Cordova/PhoneGap, iOS Programming, Mobile_Tips

[Cordova] Tips: How to delete a file


Actually, it is very easy and simple because you can use the cordova-plugin-file

You can download the file plugin with command:

cordova plugin add cordova-plugin-file

Demo code:

var path = "file:///storage/emulated/0";
var filename = "myfile.txt";

window.resolveLocalFileSystemURL(path, function(dir) {
	dir.getFile(filename, {create:false}, function(fileEntry) {
                  // The file has been removed succesfully
                  // Error deleting the file
                 // The file doesn't exist

Hope it is useful🙂