package com.nicolasmccurdy.randomize;

import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.support.v13.app.FragmentPagerAdapter;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

public class MainActivity extends Activity implements ActionBar.TabListener {

    /**
     * The {@link android.support.v4.view.PagerAdapter} that will provide
     * fragments for each of the sections. We use a
     * {@link FragmentPagerAdapter} derivative, which will keep every
     * loaded fragment in memory. If this becomes too memory intensive, it
     * may be best to switch to a
     * {@link android.support.v13.app.FragmentStatePagerAdapter}.
     */
    private SectionsPagerAdapter mSectionsPagerAdapter;

    /**
     * The {@link ViewPager} that will host the section contents.
     */
    private ViewPager mViewPager;

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

        // Set up the action bar.
        final ActionBar actionBar = getActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        // Create the adapter that will return a fragment for each of the three
        // primary sections of the activity.
        mSectionsPagerAdapter = new SectionsPagerAdapter(getFragmentManager());

        // Set up the ViewPager with the sections adapter.
        mViewPager = (ViewPager) findViewById(R.id.pager);
        mViewPager.setAdapter(mSectionsPagerAdapter);

        // When swiping between different sections, select the corresponding
        // tab. We can also use ActionBar.Tab#select() to do this if we have
        // a reference to the Tab.
        mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
            @Override
            public void onPageSelected(int position) {
                actionBar.setSelectedNavigationItem(position);
            }
        });

        // For each of the sections in the app, add a tab to the action bar.
        for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
            // Create a tab with text corresponding to the page title defined by
            // the adapter. Also specify this Activity object, which implements
            // the TabListener interface, as the callback (listener) for when
            // this tab is selected.
            actionBar.addTab(
                    actionBar.newTab()
                            .setText(mSectionsPagerAdapter.getPageTitle(i))
                            .setTabListener(this));
        }
    }


    @Override
    public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
        // When the given tab is selected, switch to the corresponding page in
        // the ViewPager.
        mViewPager.setCurrentItem(tab.getPosition());
    }

    @Override
    public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
    }

    @Override
    public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
    }

    /**
     * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
     * one of the sections/tabs/pages.
     */
    public class SectionsPagerAdapter extends FragmentPagerAdapter {

        final String[] tabNames = getResources().getStringArray(R.array.tab_names);

        public SectionsPagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            // getItem is called to instantiate the fragment for the given page.
            // Return a DummySectionFragment (defined as a static inner class
            // below) with the page number as its lone argument.
            Fragment fragment = new DummySectionFragment();
            Bundle args = new Bundle();
            args.putInt(DummySectionFragment.ARG_SECTION_NUMBER, position + 1);
            fragment.setArguments(args);
            return fragment;
        }

        @Override
        public int getCount() {
            return tabNames.length;
        }

        @Override
        public CharSequence getPageTitle(int position) {
            try {
                return tabNames[position];
            } catch (ArrayIndexOutOfBoundsException _) {
                return null;
            }
        }
    }

    /**
     * A dummy fragment representing a section of the app, but that simply displays dummy text.
     * This would be replaced with your application's content.
     */
    public static class DummySectionFragment extends Fragment {
        /**
         * The fragment argument representing the section number for this
         * fragment.
         */
        private static final String ARG_SECTION_NUMBER = "section_number";

        public DummySectionFragment() {
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                 Bundle savedInstanceState) {
            View rootView = inflater.inflate(R.layout.fragment_main, container, false);
            TextView dummyTextView = (TextView) rootView.findViewById(R.id.results);
            dummyTextView.setText(Integer.toString(getArguments().getInt(ARG_SECTION_NUMBER)));
            return rootView;
        }
    }

}

@@ -3909,1234 +3909,477 @@
     
-// R
+r
 eturn 
-a DummySectionFragment (defined as a static inner class%0A            // below) with the page number as its lone argument.%0A            Fragment fragment = new DummySectionFragment();%0A            Bundle args = new Bundle();%0A            args.putInt(DummySectionFragment.ARG_SECTION_NUMBER, position + 1);%0A            fragment.setArguments(args);%0A            return fragment;%0A        %7D%0A%0A        @Override%0A        public int getCount() %7B%0A            return tabNames.length;%0A        %7D%0A%0A        @Override%0A        public CharSequence getPageTitle(int position) %7B%0A            try %7B%0A                return tabNames%5Bposition%5D;%0A            %7D catch (ArrayIndexOutOfBoundsException _) %7B%0A                return null;%0A            %7D%0A        %7D%0A    %7D%0A%0A    /**%0A     * A dummy fragment representing a section of the app, but that simply displays dummy text.%0A     * This would be replaced with your application's content.%0A     */%0A    public static class DummySectionFragment extends Fragment %7B%0A        /**%0A         * The fragment argument representing the section number for this%0A         * fragment.%0A         */%0A        private static final String ARG_SECTION_NUMBER = %22section_number%22;%0A%0A        public DummySectionFragment() %7B%0A        %7D%0A
+new HelloWorldSectionFragment();%0A        %7D%0A%0A        @Override%0A        public int getCount() %7B%0A            return tabNames.length;%0A        %7D%0A%0A        @Override%0A        public CharSequence getPageTitle(int position) %7B%0A            try %7B%0A                return tabNames%5Bposition%5D;%0A            %7D catch (ArrayIndexOutOfBoundsException _) %7B%0A                return null;%0A            %7D%0A        %7D%0A    %7D%0A%0A    public static class HelloWorldSectionFragment extends Fragment %7B
 %0A   
@@ -4745,67 +4745,23 @@
 ext(
-Integer.toString(getArguments().getInt(ARG_SECTION_NUMBER))
+%22Hello, world!%22
 );%0A 

Replace the DummySectionFragment with a hello world