原文：https://blog.csdn.net/uyy203/article/details/54445267

//点击回车事件
        
mDescriContent.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                if(event.getKeyCode()==KeyEvent.KEYCODE_ENTER){
                    Toast.makeText(getContext(), "不可以换行哦", Toast.LENGTH_SHORT).show();
                    return true;
                }else{
                    return false;
                }
            }
        });