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;
using SVTTR;

namespace SVTTR
{
[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();


        StateListener phoneStateListener = new StateListener(this);
        TelephonyManager telephonyManager = (TelephonyManager)GetSystemService(Context.TelephonyService);
        telephonyManager.Listen(phoneStateListener, PhoneStateListenerFlags.CallState);
    }
//тут я пытаюсь завершить звонок
    public void UpdateCallState(CallState state, string incomingNumber)
    {
        if(state== CallState.Offhook)
        {
            Finish();
        }
    }


    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);

    }
}
//хочу получить статус звонка
public class StateListener : PhoneStateListener
{
    private readonly MainActivity _activity;

    public StateListener(MainActivity activity)
    {
        _activity = activity;
    }


    public override void OnCallStateChanged(CallState state, string incomingNumber)
    {

            base.OnCallStateChanged(state, incomingNumber);
            _activity.UpdateCallState(state, incomingNumber);
        }
}
}}