using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Runtime.InteropServices.WindowsRuntime; using Windows.Foundation; using Windows.Foundation.Collections; using Windows.UI.Xaml; using Windows.UI.Xaml.Cont
android 如何监听返回键点击事件,并创建一个退出对话框, 防止自己写的应用程序不小心点击退出键而直接退出.自己记录下这个简单的demo,备用. public class BackKeyTest extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedI