https://developer.xamarin.com/recipes/android/fundamentals/activity/pass_data_between_activity/ xamarin的官网实例 超实用
https://developer.xamarin.com/recipes/android/controls/webview/call_csharp_from_javascript/ xamarin的官网 JS调用服务 超实用
https://developer.xamarin.com/recipes/android/controls/webview/load_local_content/ xamarin的官网 手机嵌入网页开发 超实用
https://docs.microsoft.com/zh-cn/xamarin/android/app-fundamentals/broadcast-receivers 官网 广播器使用
https://developer.xamarin.com/api/type/Android.Content.BroadcastReceiver/ 官网 函数文档
https://docs.microsoft.com/zh-cn/xamarin/android/platform/android-manifest xamarin清单网址
apk打包，打包就是存档之后进行分布，存档和分布是特有名词，没有准确的文档，要参考下面两个网站，自己学习完成。
https://blog.csdn.net/xsfqh/article/details/76974580
http://blog.yn137.com/yi-dong-app-kai-fa/xamarin-for-android-%E6%89%93%E5%8C%85%E7%BC%96%E8%AF%91apk%E6%96%87%E4%BB%B6%E8%AF%A6%E7%BB%86%E5%9B%BE%E6%96%87%E6%95%99%E7%A8%8B.html
service长存设置，这边博客写的很好。
https://blog.csdn.net/mad1989/article/details/22492519
辅助网站
http://www.android-studio.org/ 安卓官网社区 没啥用
http://www.runoob.com/android/android-tutorial.html 安卓菜鸟教程 入门实用
添加View.IOnClickListener ，btn_search.SetOnClickListener(this);开启监听
OnClick(View v)里判断控件 if (v.Id == Resource.Id.btn_search)
[Activity(Label = "Main", MainLauncher = true, Icon = "@drawable/icon")]
public class MainActivity : Activity,IGongAnView,View.IOnClickListener
{
TextView txt_result;
Button btn_search;
EditText btn_sitedomain;
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.Main);
txt_result = FindViewById<TextView>(Resource.Id.txt_result);
btn_search = FindViewById<Button>(Resource.Id.btn_search);
btn_sitedomain = FindViewById<EditText>(Resource.Id.btn_sitedomain);
btn_search.SetOnClickListener(this);
}
public void OnClick(View v)
{
if (v.Id == Resource.Id.btn_search)
{
string sitedomain = btn_sitedomain.Text;
string pattern = @"^[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(\.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+$";
Regex reg = new Regex(pattern);
if (string.IsNullOrEmpty(sitedomain))
{
Toast.MakeText(this, "请输入域名", ToastLength.Short).Show();
}
else if (reg.IsMatch(sitedomain))
{
progressDialog.Show();
presenter.showResult(sitedomain);
}
else
{
Toast.MakeText(this, "域名错误，请重新输入", ToastLength.Short).Show();
}
}
}
}
