@OnClick(R.id.iv_save_note)
 public void onSaveNoteClick() {
   addNotePresenter.onSaveNoteClick(
       etTitle.getText().toString(),
       etAuthor.getText().toString(),
       etContent.getText().toString());
 }
 @Override
 public void onBackPressed() {
   addNotePresenter.onBackPressed();
 }
 @OnClick(R.id.ic_draw_note)
 public void onDrawNoteClick() {
   addNotePresenter.onDrawTextClick();
 }