private void deleteDirectory(File file) {
if (file.isFile()) {
file.delete();
return;
} if(file.isDirectory()){
File[] childFiles = file.listFiles();
if (childFiles == null || childFiles.length == 0) {
file.delete();
return;
} for (int i = 0; i < childFiles.length; i++) {
deleteDirectory(childFiles[i]);
}
file.delete();
}
}