package com.example.myapplication;

import android.Manifest;
import android.content.pm.PackageManager;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationManager;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.RequiresApi;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.widget.TextView;

import java.io.IOException;
import java.util.List;

public class MainActivity extends AppCompatActivity {
    TextView textView;
    Location location;
    double describeContents;
    List<Address> addresses;
    Geocoder geocoder;

    @RequiresApi(api = Build.VERSION_CODES.P)
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        textView = findViewById(R.id.text);
        LocationManager locationManager = (LocationManager) this.getSystemService(LOCATION_SERVICE);
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION}, 101);
        }
        location = locationManager
                .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);

        geocoder= new Geocoder(this);


    }

    @RequiresApi(api = Build.VERSION_CODES.O)
    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        switch (requestCode) {
            case 101:
                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                        return;
                    }

                    try {
                        addresses = geocoder.getFromLocation(location.getLatitude(), location.getLongitude(), 10);
                        Address address = addresses.get(0);
                        textView.setText("" + address.getSubAdminArea());
                    } catch (IOException e) {
                        e.printStackTrace();
                    }

                } else {
                    //not granted
                }
                break;
            default:
                super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        }
    }

    @RequiresApi(api = Build.VERSION_CODES.O)
    @Override
    protected void onResume() {
        super.onResume();
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            return;
        }
        try {
            addresses = geocoder.getFromLocation(location.getLatitude(), location.getLongitude(), 10);
            Address address = addresses.get(0);
            textView.setText("" + address.getSubAdminArea());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
