ViewPagerAdapter.java

package com.android.iway.codersinc;

/**
 * Created by IWAY on 17-09-2016.
 */
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;

import com.android.iway.codersinc.Contests.CollegeContests;
import com.android.iway.codersinc.Contests.CurrentContests;
import com.android.iway.codersinc.Contests.UpcommingContests;


public class ViewPagerAdapter extends FragmentStatePagerAdapter {

    CharSequence Titles[]; // This will Store the Titles of the Tabs which are Going to be passed when ViewPagerAdapter is created
    int NumbOfTabs; // Store the number of tabs, this will also be passed when the ViewPagerAdapter is created


    // Build a Constructor and assign the passed Values to appropriate values in the class
    public ViewPagerAdapter(FragmentManager fm,CharSequence mTitles[], int mNumbOfTabsumb) {
        super(fm);

        this.Titles = mTitles;
        this.NumbOfTabs = mNumbOfTabsumb;

    }

    //This method return the fragment for the every position in the View Pager
    @Override
    public Fragment getItem(int position) {

        if(position == 0) // if the position is 0 we are returning the First tab
        {
            CurrentContests tab1 = new CurrentContests();
            return tab1;
        }
        else if(position==1)
        {
            UpcommingContests tab2 = new UpcommingContests();
            return tab2;
        }
        else
        {
            CollegeContests tab3=new CollegeContests();
            return tab3;
        }



    }


    // This method return the titles for the Tabs in the Tab Strip

    @Override
    public CharSequence getPageTitle(int position) {
        return Titles[position];
    }

    // This method return the Number of tabs for the tabs Strip

    @Override
    public int getCount() {
        return NumbOfTabs;
    }
}