using Android.Widget;
using Android.App;
using Android.OS;
using Android.Views;
using Android.Telephony;
using Android.Content;
using System;
using Android.Support.V7.App;
using Android.Runtime;

namespace PhoneCall
{
    [Activity(Label = "PhoneCall", Theme = "@style/AppTheme", MainLauncher = true)]
    public class MainActivity : Activity, View.IOnClickListener
    {
        EditText userNum;
        Button callBtn;
        string no = "";

        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            // Set our view from the "main" layout resource
            SetContentView(Resource.Layout.activity_main);
            initialize();
        }

        public void initialize()
        {
            userNum = (EditText)FindViewById(Resource.Id.number);
            callBtn = (Button)FindViewById(Resource.Id.call);
            callBtn.SetOnClickListener(this);
        }

        public void OnClick(View v)
        {
            if(!userNum.Text.ToString().Equals(""))
            {
                no = userNum.Text.ToString();
                Intent callIntent = new Intent(Intent.ActionCall);
                callIntent.SetData(Android.Net.Uri.Parse("tel:" + no));

                callIntent.SetPackage("com.android.server.telecom");
                StartActivity(callIntent);
            }
        }
    }
}