public static void deleteDirectoryQuickly(File dir) throws IOException {

        if (!dir.exists()) {
            return;
        }
        final File to = new File(dir.getAbsolutePath() + System.currentTimeMillis());
        dir.renameTo(to);
        if (!dir.exists()) {
            // rebuild
            dir.mkdirs();
        }

        // try to run "rm -r" to remove the whole directory
        if (to.exists()) {
            String deleteCmd = "rm -r " + to;
            Runtime runtime = Runtime.getRuntime();
            try {
                Process process = runtime.exec(deleteCmd);
                process.waitFor();
            } catch (IOException e) {

            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        if (!to.exists()) {
            return;
        }
        deleteDirectoryRecursively(to);
        if (to.exists()) {
            to.delete();
        }
    }
public static void deleteDirectoryQuickly(File dir) throws IOException {

        if (!dir.exists()) {
            return;
        }
        final File to = new File(dir.getAbsolutePath() + System.currentTimeMillis());
        dir.renameTo(to);
        if (!dir.exists()) {
            
            dir.mkdirs();
        }

        
        if (to.exists()) {
            String deleteCmd = "rm -r " + to;
            Runtime runtime = Runtime.getRuntime();
            try {
                Process process = runtime.exec(deleteCmd);
                process.waitFor();
            } catch (IOException e) {

            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        if (!to.exists()) {
            return;
        }
        deleteDirectoryRecursively(to);
        if (to.exists()) {
            to.delete();
        }
    }
public static void deleteDirectoryQuickly ( File dir ) throws IOException { if ( ! dir . exists ( ) ) { return ; } final File to = new File ( dir . getAbsolutePath ( ) + System . currentTimeMillis ( ) ) ; dir . renameTo ( to ) ; if ( ! dir . exists ( ) ) { // rebuild dir . mkdirs ( ) ; } // try to run "rm -r" to remove the whole directory if ( to . exists ( ) ) { String deleteCmd = "rm -r " + to ; Runtime runtime = Runtime . getRuntime ( ) ; try { Process process = runtime . exec ( deleteCmd ) ; process . waitFor ( ) ; } catch ( IOException e ) { } catch ( InterruptedException e ) { e . printStackTrace ( ) ; } } if ( ! to . exists ( ) ) { return ; } deleteDirectoryRecursively ( to ) ; if ( to . exists ( ) ) { to . delete ( ) ; } }
Try to delete directory in a fast way.
Try to delete directory in a fast way .