Listen to the Changes of Block Editing

You can use the following code to add the listener to listen to the changes of text editing status:

//Add the listener to listen the changes of text-editing status.
  editManager.addEditStatusChangeListener(new OnEditStatusChangeListener() {
    @Override
    public void onBegin(int type) {
      
    }
		@Override
    public void onUndo(int page, boolean canUndo) {
                
    }
    @Override
    public void onRedo(int page, boolean canRedo) {

    }
    @Override
    public void onExit() {
      
    }
  });