public class EventsActivity extends SherlockFragmentActivity {


	ViewPager mViewPager;
	TabsAdapter mTabsAdapter;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		requestWindowFeature(com.actionbarsherlock.view.Window.FEATURE_NO_TITLE);
		super.onCreate(savedInstanceState);


		mViewPager = new ViewPager(this);
		mViewPager.setId(R.id.pager);

		setContentView(mViewPager);
		setTitle("Events");


		ActionBar bar = getSupportActionBar();
		bar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

		mTabsAdapter = new TabsAdapter(this, mViewPager);

		mTabsAdapter.addTab(bar.newTab().setText("Featured"),
				EventsFeatured.class, null);
		mTabsAdapter.addTab(bar.newTab().setText("All"), EventsAll.class, null);
		mTabsAdapter.addTab(bar.newTab().setText("Nearby"), EventsNearBy.class,
				null);

	}

	public static class TabsAdapter extends FragmentPagerAdapter implements
			ActionBar.TabListener, ViewPager.OnPageChangeListener {
		private final Context mContext;
		private final ActionBar mActionBar;
		private final ViewPager mViewPager;
		private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();

		static final class TabInfo {
			private final Class<?> clss;
			private final Bundle args;

			TabInfo(Class<?> _class, Bundle _args) {
				clss = _class;
				args = _args;
			}
		}

		public TabsAdapter(SherlockFragmentActivity activity, ViewPager pager) {
			super(activity.getSupportFragmentManager());
			mContext = activity;
			mActionBar = activity.getSupportActionBar();
			mViewPager = pager;
			mViewPager.setAdapter(this);
			mViewPager.setOnPageChangeListener(this);

		}

		public void addTab(ActionBar.Tab tab, Class<?> clss, Bundle args) {
			TabInfo info = new TabInfo(clss, args);
			tab.setTag(info);
			tab.setTabListener(this);
			mTabs.add(info);
			mActionBar.addTab(tab);
			notifyDataSetChanged();
		}

		@Override
		public int getCount() {
			return mTabs.size();
		}

		@Override
		public Fragment getItem(int position) {
			TabInfo info = mTabs.get(position);
			return Fragment.instantiate(mContext, info.clss.getName(),
					info.args);
		}

		public void onPageScrolled(int position, float positionOffset,
				int positionOffsetPixels) {
		}

		public void onPageSelected(int position) {
			mActionBar.setSelectedNavigationItem(position);
		}

		public void onPageScrollStateChanged(int state) {
		}

		public void onTabSelected(Tab tab, FragmentTransaction ft) {
			Object tag = tab.getTag();
			for (int i = 0; i < mTabs.size(); i++) {
				if (mTabs.get(i) == tag) {
					mViewPager.setCurrentItem(i);
				}
			}
		}

		public void onTabUnselected(Tab tab, FragmentTransaction ft) {
		}

		public void onTabReselected(Tab tab, FragmentTransaction ft) {
		}
	}
EVENTS FEATURED CLASS:
public class EventsFeatured extends SherlockFragment {
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		View view = inflater
				.inflate(R.layout.events_featured, container, false);
		Button b = (Button) view.findViewById(R.id.buttonA);
		b.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				Toast.makeText(getSherlockActivity(), "Button Clicked", 0)
				.show();
			}
		});
		return view;
	}
}
EVENTS ALL CLASS:
public class EventsAll extends SherlockFragment {
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		View view = inflater.inflate(R.layout.events_all, container, false);
		Button b = (Button) view.findViewById(R.id.buttonA);
		b.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				Toast.makeText(getSherlockActivity(), "Button Clicked", 0)
				.show();
			}
		});
		return view;
}
}
EVENTS NEARBY CLASS:
public class EventsNearBy extends SherlockFragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
		Bundle savedInstanceState) {
	View view = inflater.inflate(R.layout.events_nearby, container, false);
	return view;
}
}
events.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical" >

    <android.support.v4.view.ViewPager
        android:id="@+id/pager"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >
    </android.support.v4.view.ViewPager>


</LinearLayout>
events_featured.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <ScrollView
        android:id="@+id/scrollView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true" >

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical" >

            <TextView
                android:id="@+id/textView1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerHorizontal="true"
                android:layout_centerVertical="true"
                android:text="Featured"
                android:textAppearance="?android:attr/textAppearanceLarge" />

            <ProgressBar
                android:id="@+id/progressBar1"
                style="?android:attr/progressBarStyleLarge"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignLeft="@+id/textView1"
                android:layout_below="@+id/textView1"
                android:layout_marginLeft="26dp"
                android:layout_marginTop="42dp" />

            <Button
                android:id="@+id/buttonA"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_above="@+id/textView1"
                android:layout_alignLeft="@+id/textView1"
                android:layout_marginBottom="59dp"
                android:text="Button" />

        </LinearLayout>
    </ScrollView>

</RelativeLayout>
events_all.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:text="Featured All"
        android:textAppearance="?android:attr/textAppearanceLarge" />

    <Button
        android:id="@+id/buttonA"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_above="@+id/textView1"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="21dp"
        android:text="Two" />

</RelativeLayout>

events_nearby.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:text="Near By"
        android:textAppearance="?android:attr/textAppearanceLarge" />

</RelativeLayout>