QuoteViewModel.java

public class QuoteViewModel extends ViewModel {
private LiveData<Quote> quote; //pojo object
private String category; //quote category
private int count; //number of quotes
private QuoteRepository quoteRepository; //data fetching object

public void init(String category, int count){
	//make sure quote object should be created only once
	if(this.quote!=null){
		return ;
	}
		this.category = category;
		this.count=count;
		quoteRepository=new QuoteRepository();
		quote = quoteRepository.getQuote(category, count);
	}

	public LiveData<Quote> getQuote(){
		return quote;
	}

	//will be used when user manually wants to load new quote
	public void refreshData(){
		quote = quoteRepository.getQuote(category, count);
	}
}