package com.elcodedocle.jsontest;

public class App {
	
	protected static Integer count = 1;
	protected Integer id;
	protected String category;
	protected String title;
	protected String description;
	protected String developer;
	protected String packageName;
	protected String iconImageUrl;
	protected String bgImageUrl;
    
    public static void incCount(){
    	count++;
    }
    
    public static Integer getCount(){
    	return count;
    }
    
	public Integer getId() {
		return id;
	}
	public void setId(Integer id) {
		this.id = id;
	}
	public String getCategory() {
		return category;
	}
	public void setCategory(String category) {
		this.category = category;
	}
	public String getTitle() {
		return title;
	}
	public void setTitle(String title) {
		this.title = title;
	}
	public String getDescription() {
		return description;
	}
	public void setDescription(String description) {
		this.description = description;
	}
	public String getDeveloper() {
		return developer;
	}
	public void setDeveloper(String developer) {
		this.developer = developer;
	}
	public String getPackageName() {
		return packageName;
	}
	public void setPackageName(String packageName) {
		this.packageName = packageName;
	}
	public String getIconImageUrl() {
		return iconImageUrl;
	}
	public void setIconImageUrl(String iconImageUrl) {
		this.iconImageUrl = iconImageUrl;
	}
	public String getBgImageUrl() {
		return bgImageUrl;
	}
	public void setBgImageUrl(String bgImageUrl) {
		this.bgImageUrl = bgImageUrl;
	}
    
}

package com.elcodedocle.jsontest;

public class App {
	
	private static Integer count = 1;
	private Integer id;
	private String category;
	private String title;
	private String description;
	private String developer;
	private String packageName;
	private String iconImageUrl;
	private String bgImageUrl;
	
	public static void incCount(){
		count++;
	}
	
	public static Integer getCount(){
		return count;
	}
	
	public Integer getId() {
		return id;
	}
	public void setId(Integer id) {
		this.id = id;
	}
	public String getCategory() {
		return category;
	}
	public void setCategory(String category) {
		this.category = category;
	}
	public String getTitle() {
		return title;
	}
	public void setTitle(String title) {
		this.title = title;
	}
	public String getDescription() {
		return description;
	}
	public void setDescription(String description) {
		this.description = description;
	}
	public String getDeveloper() {
		return developer;
	}
	public void setDeveloper(String developer) {
		this.developer = developer;
	}
	public String getPackageName() {
		return packageName;
	}
	public void setPackageName(String packageName) {
		this.packageName = packageName;
	}
	public String getIconImageUrl() {
		return iconImageUrl;
	}
	public void setIconImageUrl(String iconImageUrl) {
		this.iconImageUrl = iconImageUrl;
	}
	public String getBgImageUrl() {
		return bgImageUrl;
	}
	public void setBgImageUrl(String bgImageUrl) {
		this.bgImageUrl = bgImageUrl;
	}
    
}

Update App.java