// this is model class

package ali.arshad.soomro.openweathermap.androidsdk;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import com.google.gson.annotations.SerializedName;

public class WeatherForecastInfo implements Serializable {

    /**
     *
     */
    private static final long serialVersionUID = 1L;
    private String cod;
    private Double message;
    private City city;
    private Integer cnt;
    private ListItem listItem;
    private List<ListItem> list = new ArrayList<ListItem>();

    /**
     * @return the listItem
     */
    public ListItem getListItem() {
        return listItem;
    }

    /**
     * @param listItem the listItem to set
     */
    public void setListItem(ListItem listItem) {
        this.listItem = listItem;
    }


    public String getCod() {
        return cod;
    }

    public void setCod(String cod) {
        this.cod = cod;
    }

    public Double getMessage() {
        return message;
    }

    public void setMessage(Double message) {
        this.message = message;
    }

    public City getCity() {
        return city;
    }

    public void setCity(City city) {
        this.city = city;
    }

    public Integer getCnt() {
        return cnt;
    }

    public void setCnt(Integer cnt) {
        this.cnt = cnt;
    }

    public List<ListItem> getList() {
        return list;
    }

    public void setList(List<ListItem> list) {
        this.list = list;
    }

    public class City implements Serializable {
        /**
         *
         */
        private static final long serialVersionUID = 1L;
        private Integer id;
        private String name;
        @SerializedName("coord")
        private Coordinates coordinates;
        private String country;
        private Integer population;
        private Sys sys;

        public Integer getId() {
            return id;
        }

        public void setId(Integer id) {
            this.id = id;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public Coordinates getCoordinates() {
            return coordinates;
        }

        public void setCoordinates(Coordinates coordinates) {
            this.coordinates = coordinates;
        }

        public String getCountry() {
            return country;
        }

        public void setCountry(String country) {
            this.country = country;
        }

        public Integer getPopulation() {
            return population;
        }

        public void setPopulation(Integer population) {
            this.population = population;
        }

        public Sys getSys() {
            return sys;
        }

        public void setSys(Sys sys) {
            this.sys = sys;
        }

        public class Coordinates implements Serializable {
            /**
             *
             */
            private static final long serialVersionUID = 1L;
            @SerializedName("lon")
            private Double longitude;
            @SerializedName("lat")
            private Double latitude;

            public Double getLongitude() {
                return longitude;
            }

            public void setLongitude(Double longitude) {
                this.longitude = longitude;
            }

            public Double getLatitude() {
                return latitude;
            }

            public void setLatitude(Double latitude) {
                this.latitude = latitude;
            }
        }

        public class Sys implements Serializable {
            /**
             *
             */
            private static final long serialVersionUID = 1L;
            private Integer population;

            public Integer getPopulation() {
                return population;
            }

            public void setPopulation(Integer population) {
                this.population = population;
            }
        }
    }

    public class ListItem implements Serializable {
        /**
         *
         */
        private static final long serialVersionUID = 1L;
        @SerializedName("dt")
        private Long dateTime;
        @SerializedName("temp")
        private Temperature temperature;
        private Double pressure;
        private Integer humidity;
        private List<Weather> weather = new ArrayList<Weather>();
        private Double speed;
        @SerializedName("deg")
        private Integer degree;
        private Integer clouds;

        public Long getDateTime() {
            return dateTime;
        }

        public void setDateTime(Long dateTime) {
            this.dateTime = dateTime;
        }

        public Temperature getTemperature() {
            return temperature;
        }

        public void setTemperature(Temperature temperature) {
            this.temperature = temperature;
        }

        public Double getPressure() {
            return pressure;
        }

        public void setPressure(Double pressure) {
            this.pressure = pressure;
        }

        public Integer getHumidity() {
            return humidity;
        }

        public void setHumidity(Integer humidity) {
            this.humidity = humidity;
        }

        public List<Weather> getWeather() {
            return weather;
        }

        public void setWeather(List<Weather> weather) {
            this.weather = weather;
        }

        public Double getSpeed() {
            return speed;
        }

        public void setSpeed(Double speed) {
            this.speed = speed;
        }

        public Integer getDegree() {
            return degree;
        }

        public void setDegree(Integer degree) {
            this.degree = degree;
        }

        public Integer getClouds() {
            return clouds;
        }

        public void setClouds(Integer clouds) {
            this.clouds = clouds;
        }

        public class Temperature implements Serializable {
            /**
             *
             */
            private static final long serialVersionUID = 1L;
            private Double day;
            private Double min;
            private Double max;
            private Double night;
            @SerializedName("eve")
            private Double evening;
            @SerializedName("morn")
            private Double morning;

            public Double getDay() {
                return day;
            }

            public void setDay(Double day) {
                this.day = day;
            }

            public Double getMin() {
                return min;
            }

            public void setMin(Double min) {
                this.min = min;
            }

            public Double getMax() {
                return max;
            }

            public void setMax(Double max) {
                this.max = max;
            }

            public Double getNight() {
                return night;
            }

            public void setNight(Double night) {
                this.night = night;
            }

            public Double getEvening() {
                return evening;
            }

            public void setEvening(Double evening) {
                this.evening = evening;
            }

            public Double getMorning() {
                return morning;
            }

            public void setMorning(Double morning) {
                this.morning = morning;
            }
        }

        public class Weather implements Serializable {
            /**
             *
             */
            private static final long serialVersionUID = 1L;
            private Integer id;
            private String main;
            private String description;
            private String icon;

            public Integer getId() {
                return id;
            }

            public void setId(Integer id) {
                this.id = id;
            }

            public String getMain() {
                return main;
            }

            public void setMain(String main) {
                this.main = main;
            }

            public String getDescription() {
                return description;
            }

            public void setDescription(String description) {
                this.description = description;
            }

            public String getIcon() {
                return icon;
            }

            public void setIcon(String icon) {
                this.icon = icon;
            }
        }
    }
}

// and in my DemoActivity class


protected List<WeatherForecastInfo.ListItem.Weather> list = null;
protected ArrayAdapter<WeatherForecastInfo.ListItem.Weather> adapter = null;

//and in onCreate I have

mapUtil = WeatherUtil.newInstance();
        button.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                new AsyncTask<String, Void, WeatherForecastInfo>() {
                    @Override
                    protected void onPreExecute() {
                        progressDialog = new ProgressDialog(DemoActivity.this);
                        progressDialog.setTitle("Wait...");
                        progressDialog.setMessage("Data is being loaded...");
                        progressDialog.show();
                    }

                    @Override
                    protected WeatherForecastInfo doInBackground(
                            String... params) {

                        return mapUtil.getForecastByCityName(DemoActivity.this, editText.getText().toString(), 2);
                    }
                    @Override
                    protected void onPostExecute(WeatherForecastInfo result) {

                        textView.setText(result.getCity().getName()+ " " + result.getCity().getCountry());
                        list = result.getListItem().getWeather(); // Here Im getting NPE why???
                        adapter = new ArrayAdapter<WeatherForecastInfo.ListItem.Weather>(DemoActivity.this, android.R.layout.simple_list_item_1, list);
                        listView.setAdapter(adapter);
                        progressDialog.dismiss();
                    }
                }.execute(null, null, null);

            }
        });