@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mViewPager = (ViewPager) this.findViewById(R.id.view_pager);
final ActionBar bar = this.getSupportActionBar();
bar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
LineFragment lineFrag = new LineFragment();
BarFragment barFrag = new BarFragment();
PieFragment pieFrag = new PieFragment();
mTabsAdapter = new TabsAdapter(this, mViewPager);
mTabsAdapter.addTab(bar.newTab().setText("Line"), LineFragment.class, null, lineFrag);
mTabsAdapter.addTab(bar.newTab().setText("Bar"), BarFragment.class, null, barFrag);
mTabsAdapter.addTab(bar.newTab().setText("Pie"), PieFragment.class, null, pieFrag);
mViewPager.setOffscreenPageLimit(mTabsAdapter.getCount() - 1);
}
