public static void deleteDir(File file, boolean isDeleteDir) {
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++) {
deleteDir(childFiles[i], true);
}
if (isDeleteDir){
file.delete();
}
}
}