Delete folder from internal storage in android?

Question

How to delete folder(contain some folder and file) from internal storage? Folder have some below tree.

folder
|_________  C2 (folder)
             |________1 (fo         


        

Answer 1

Check this out.

public void deleteRecursive(File fileOrDirectory) {

   if (fileOrDirectory.isDirectory()) {
       for (File child : fileOrDirectory.listFiles()) {
          deleteRecursive(child);
       }
   }

   fileOrDirectory.delete();
 }

for explaination How to delete a whole folder and content?