摘要: 1.返回键实现对话框弹出是否退出应用程序 public class MainActivity extends Activity { protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceSta 阅读全文
posted @ 2021-09-25 23:30 CYP-Bk 阅读(33) 评论(0) 推荐(0)