Help! My app doesn't want to run after runOnUiThred(..)

   private void updateDisplay() {
        mTemperatureLabel.setText(mCurrentWeather.getTemperature() + "");

    }

 public void onResponse(Call call, Response response) throws IOException {
                    try {
                        String jsonData = response.body().string();
                        Log.v(TAG, jsonData);
                        if (response.isSuccessful()) {
                            mCurrentWeather = getCurrentDetails(jsonData);
                            runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    updateDisplay();
                                }
                            });

                        } else {
                            alterUserAboutError();
                        }
                    } catch (IOException e) {
                        Log.e(TAG, "Exception caught: ", e);
                    } catch (JSONException e) {
                        Log.e(TAG, "Exception caught: ", e);
                    }

                }
            });

 public double getTemperature() {
        return mTemperature;
    }

package com.treehouse.stormy;

import ...


public class MainActivity extends AppCompatActivity {

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

    private CurrentWeather mCurrentWeather;

    @BindView(R.id.timeLabel)
    TextView mTimeLabel;
    @BindView(R.id.temperatureLabel)
    TextView mTemperatureLabel;
    @BindView(R.id.humidityValue)
    TextView mHumidityValue;
    @BindView(R.id.precipValue)
    TextView mPrecipValue;
    @BindView(R.id.summaryLabel)
    TextView mSummaryLabel;
    @BindView(R.id.iconImageView)
    ImageView mIconImageView;

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


        String apiKey = "8dee957bc90d6604dceb3ac2b2d02895";
        double latitude = 37.8267;
        double longitude = -122.423;
        String forecastURL = "https://api.forecast.io/forecast/" + apiKey + "/" + latitude + "," + longitude;

        if (isNetworkAvailable()) {

            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(Call call, IOException e) {

                }

                @Override
                public void onResponse(Call call, Response response) throws IOException {
                    try {
                        String jsonData = response.body().string();
                        Log.v(TAG, jsonData);
                        if (response.isSuccessful()) {
                            mCurrentWeather = getCurrentDetails(jsonData);
                            runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    updateDisplay();
                                }
                            });

                        } else {
                            alterUserAboutError();
                        }
                    } 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();
        }

        Log.d(TAG, "Main YI code is running!");

    }

    private void updateDisplay() {
        mTemperatureLabel.setText(mCurrentWeather.getTemperature() + "");

    }

    private CurrentWeather getCurrentDetails(String jsonData) throws JSONException { //jag tror för att omformattera till json koder??
        JSONObject forecast = new JSONObject(jsonData);
        String timezone = forecast.getString("timezone");
        Log.i(TAG, "From JSON: " + timezone);

        JSONObject currently = forecast.getJSONObject("currently");
        CurrentWeather currentWeather = new CurrentWeather();
        currentWeather.setHumidity(currently.getDouble("humidity"));
        currentWeather.setTime(currently.getLong("time"));
        currentWeather.setIcon(currently.getString("icon"));
        currentWeather.setPrecipChance(currently.getDouble("precipProbability"));
        currentWeather.setSummary(currently.getString("summary"));
        currentWeather.setTemperature(currently.getDouble("temperature"));
        currentWeather.setTimeZone(timezone);

        Log.d(TAG, currentWeather.getFormattedTime());

        return currentWeather; // man kan också ropa null, denna betyder att man skapar nytt tomt object


    }

    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 alterUserAboutError() {
        AlterDialogFragment dialog = new AlterDialogFragment();
        dialog.show(getFragmentManager(), "error_dialog");

    }
}

public class CurrentWeather {
    private String mIcon;
    private long mTime;
    private double mTemperature;
    private double mHumidity;
    private double mPrecipChance;

    public String getTimeZone() {
        return mTimeZone;
    }

    public void setTimeZone(String timeZone) {
        mTimeZone = timeZone;
    }

    private String mTimeZone;

    public String getSummary() {
        return mSummary;
    }

    public void setSummary(String summary) {
        mSummary = summary;
    }

    private String mSummary;

    public String getIcon() {
        return mIcon;
    }

    public void setIcon(String icon) {
        mIcon = icon;
    }

    public int getIconId() {
        //clear-day, clear night...
        int iconId = R.drawable.clear_day;

        if (mIcon.equals("clear-day")) {
            iconId = R.drawable.clear_day;
        } else if (mIcon.equals("clear-night")) {
            iconId = R.drawable.clear_night;
        } else if (mIcon.equals("rain")) {
            iconId = R.drawable.rain;
        } else if (mIcon.equals("snow")) {
            iconId = R.drawable.snow;
        } else if (mIcon.equals("sleet")) {
            iconId = R.drawable.sleet;
        } else if (mIcon.equals("wind")) {
            iconId = R.drawable.wind;
        } else if (mIcon.equals("fog")) {
            iconId = R.drawable.fog;
        } else if (mIcon.equals("cloudy")) {
            iconId = R.drawable.cloudy;
        } else if (mIcon.equals("partly-cloudy-day")) {
            iconId = R.drawable.partly_cloudy;
        } else if (mIcon.equals("partly-cloudy-night")) {
            iconId = R.drawable.cloudy_night;
        }
        return iconId;
    }

    public long getTime() {
        return mTime;
    }

    public String getFormattedTime() {
        SimpleDateFormat formatter = new SimpleDateFormat("h:mm a");
        formatter.setTimeZone(TimeZone.getTimeZone(getTimeZone()));
        Date dateTime = new Date(getTime() * 1000);
        String timeString = formatter.format(dateTime);
        return timeString;
    }

    public void setTime(long time) {
        mTime = time;
    }

    public int getTemperature() {
        double celsius = (mTemperature - 32.0) * 0.5555;
        return (int) Math.round(celsius);
    }

    public void setTemperature(double temperature) {
        mTemperature = temperature;
    }

    public double getHumidity() {
        return mHumidity;
    }

    public void setHumidity(double humidity) {
        mHumidity = humidity;
    }

    public double getPrecipChance() {
        return mPrecipChance;
    }

    public void setPrecipChance(double precipChance) {
        mPrecipChance = precipChance;
    }


}

/** DENNA KLASSEN HANDLAR OM NÄR ANDRIOD FÅR ERROR SÅ DET KOMMER UPP EN RUTA, KOLLA TREEHOUSE Configuering the Alert Dialog**/
public class AlterDialogFragment extends DialogFragment {
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        Context context = getActivity();
        AlertDialog.Builder builder = new AlertDialog.Builder(context)
                .setTitle(context.getString(R.string.error_title))
                .setMessage(context.getString(R.string.error_message))
                .setPositiveButton(context.getString(R.string.error_ok_button_text), null); //null för att det ska inte hända nåt låt appen rulla typ

        AlertDialog dialog = builder.create();
        return  dialog;
    }

}