Getting a extended base adapter to work on main activity

public class MainActivity extends ListActivity {

    public static final String TAG = MainActivity.class.getSimpleName();

    private CurrentWeather[] mDays;




    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


       // mProgressBar.setVisibility(View.INVISIBLE);

        final double latitude = 37.8267;
        final double longitude = -122.423;

       // mRefreshImageView.setOnClickListener(new View.OnClickListener() {
            //@Override
           // public void onClick(View v) {
           //     getForecast(latitude, longitude);
           // }
      //  });
//
       getForecast(latitude, longitude);

        adaptting();
   }

    private void getForecast(double latitude, double longitude) {
        String apiKey = "27974c4bc33201748eaf542a6769c3b7";
        String forecastUrl = "https://api.forecast.io/forecast/" + apiKey +
                "/" + latitude + "," + longitude;

        if (isNetworkAvailable()) {
            //toggleRefresh();

            OkHttpClient client = new OkHttpClient();
            Request request = new Request.Builder()
                    .url(forecastUrl)
                    .build();

            Call call = client.newCall(request);
            call.enqueue(new Callback() {
                @Override
                public void onFailure(Request request, IOException e) {

                    alertUserAboutError();
                }

                @Override
                public void onResponse(Response response) throws IOException {
                    try {
                        String jsonData = response.body().string();
                        Log.v(TAG, jsonData);
                        if (response.isSuccessful()) {
                            mDays = getCurrentDetails(jsonData);
                        } else {
                            alertUserAboutError();
                        }
                    }
                    catch (IOException e) {
                        Log.e(TAG, "Exception caught: ", e);
                    }
                    catch (JSONException e) {
                        Log.e(TAG, "Exception caught: ", e);
                    }
                }
            });
        }
        else {
            Toast.makeText(this, getString(R.string.network_unavailable_message),
                    Toast.LENGTH_LONG).show();
        }
    }

    //private void toggleRefresh() {
       // if (mProgressBar.getVisibility() == View.INVISIBLE) {
        //    mProgressBar.setVisibility(View.VISIBLE);
         //   mRefreshImageView.setVisibility(View.INVISIBLE);
       // }
       // else {
        //    mProgressBar.setVisibility(View.INVISIBLE);
        //    mRefreshImageView.setVisibility(View.VISIBLE);
       // }
  //  }
//
    //private void updateDisplay() {
    //    mTemperatureLabel.setText(mDays.getTemperature() + "");
     //   mTimeLabel.setText("At " + mDays.getFormattedTime() + " it will be");
     //   mHumidityValue.setText(mDays.getHumidity() + "");
     //   mPrecipValue.setText(mDays.getPrecipChance() + "%");
     //   mSummaryLabel.setText(mDays.getSummary());

     //   Drawable drawable = getResources().getDrawable(mDays.getIconId());
    //    mIconImageView.setImageDrawable(drawable);
   // }

    private CurrentWeather[] getCurrentDetails(String jsonData) throws JSONException {


        JSONObject forecast = new JSONObject(jsonData);

        String timezone = forecast.getString("timezone");

        JSONObject hourly = forecast.getJSONObject("hourly");

        JSONArray  data = hourly.getJSONArray("data");

        CurrentWeather[] hours = new CurrentWeather[data.length()];


        for (int i= 0 ; i<data.length(); i++){
            JSONObject jsonHour = data.getJSONObject(i);
            CurrentWeather hour = new CurrentWeather();
            hour.setSummary(jsonHour.getString("summary"));
            hour.setTemperature(jsonHour.getDouble("temperature"));
            hour.setIcon(jsonHour.getString("icon"));
            hour.setTime(jsonHour.getLong("time"));
            hour.setTimeZone(timezone);

            hours[i] = hour;
        }

    return hours;

    }


    public void adaptting(){
         DayAdapter adapt = new DayAdapter(this,mDays);
        setListAdapter(adapt);
    }



    private boolean isNetworkAvailable() {
        ConnectivityManager manager = (ConnectivityManager)
                getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = manager.getActiveNetworkInfo();
        boolean isAvailable = false;
        if (networkInfo != null && networkInfo.isConnected()) {
            isAvailable = true;
        }

        return isAvailable;
    }

    private void alertUserAboutError() {
        AlertDialogFragment dialog = new AlertDialogFragment();
        dialog.show(getFragmentManager(), "error_dialog");
    }
}

public class DayAdapter extends BaseAdapter {

    private Context mContext;
    private CurrentWeather[] mDays;

    public DayAdapter(Context context, CurrentWeather[] days) {
        mContext = context;
        mDays = days;
    }

    @Override
    public int getCount() {
        return mDays.length;
    }

    @Override
    public Object getItem(int position) {
        return mDays[position];
    }

    @Override
    public long getItemId(int position) {
        return 0; // we aren't going to use this. Tag items for easy reference
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;

        if (convertView == null) {
            // brand new
            convertView = LayoutInflater.from(mContext).inflate(R.layout.daily_list_item, null);
            holder = new ViewHolder();

            holder.temperatureLabel = (TextView) convertView.findViewById(R.id.tepraturelabel);
            holder.dayLabel = (TextView) convertView.findViewById(R.id.daynamelabel);

            convertView.setTag(holder);
        }
        else {
            holder = (ViewHolder) convertView.getTag();
        }

        CurrentWeather day = mDays[position];

        holder.temperatureLabel.setText(day.getTemperature() + "");


        return convertView;
    }

    private static class ViewHolder {
        ImageView iconImageView; // public by default
        TextView temperatureLabel;
        TextView dayLabel;
    }
}