问Android仿真不需要任何权限

EN

using System;
using Android.App;
using Android.OS;
using Android.Support.V7.App;
using Android.Runtime;
using Android.Widget;
using Android.Content;
using AlertDialog = Android.App.AlertDialog;

namespace EmailSender
{
    [Activity(Label = "@string/app_name", Theme = "@style/AppTheme", MainLauncher = true)]
    public class MainActivity : AppCompatActivity
    {
        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);

            // Set our view from the "main" layout resource
            SetContentView(Resource.Layout.activity_main);

            var sendText = FindViewById<Button>(Resource.Id.sendSMSbutton);
            var displayMessage = FindViewById<Button>(Resource.Id.displayMessageButton);
            var recipient = FindViewById<EditText>(Resource.Id.email);
            var message = FindViewById<EditText>(Resource.Id.message);


            sendText.Click += (sender, args) =>
            {

                string url = string.Format("smsto:{0}", recipient.Text);
                var uri = Android.Net.Uri.Parse(url);
                var intent = new Intent(Intent.ActionSendto, uri);
                intent.PutExtra("sms_body", message.Text);
                StartActivity(intent);

            };

            displayMessage.Click += (sender, args) =>
            {
                var intent = new Intent(this, typeof(MessageDisplayActivity));
                intent.PutExtra("message", message.Text);
                StartActivity(intent);
            };
        }
    }
}