ChooseDirectoryDialog dialog =
ChooseDirectoryDialog.builder(MainActivity.this). // Context
titleText("Choose directory"). // The title will be shown
startDir(Environment.getExternalStorageDirectory().getAbsoluteFile()).// File from where to start
showNeverAskAgain(true). // Enable or disable 'Never ask again checkbox
neverAskAgainText("Never ask again"). // Text of never ask again check box(if enabled)
onPickListener(new ChooseDirectoryDialog.DirectoryChooseListener() {

 @Override

 public void onDirectoryPicked(ChooseDirectoryDialog.DialogResult result) {

  // Listener to users choice

  // result.getPath() - The path of the folder picked by user

  // result.isAskAgain()  - Did the user checked the 'Never ask again' Checkbox if true it means never ask again

  resultTV.setText("You picked \n " +

result.getPath() +

  "\n Never ask again = " +

  result.isAskAgain());

 
}

  @Override

 public void onCancel() {

  resultTV.setText("operation canceled");

 
}

}
).build();
 dialog.show();