Android Studio default "Tabbed Activity", how to swipe through fragments?

Question

Complete beginner here..

I have used the "Tabbed Activity" default from the New Project Wizard.

I am trying to get it to swipe through 3 different fragments, however I simply cant see where to tell the program to do it. Do I load them in as an array, if yes where should I do it and how do I instantiate the different fragments?

Any pointers and/or solutions is very appreciated.

Answer 1

you can create a pager adapter from where you can call fragments based on tabs.

public class TabsPagerAdapter extends FragmentPagerAdapter {

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

@Override
public Fragment getItem(int index) {

    switch (index) {
    case 0:
        // Top Rated fragment activity
        return new TopRatedFragment();
    case 1:
        // Games fragment activity
        return new GamesFragment();
    case 2:
        // Movies fragment activity
        return new MoviesFragment();
    }

    return null;
}

@Override
public int getCount() {
    // get item count - equal to number of tabs
    return 3;
}

}

and initialize the tabs values in onCreate method of main activity to get tabs working

private String[] tabs = { "Top Rated", "Games", "Movies" };
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    // Initilization
    viewPager = (ViewPager) findViewById(R.id.pager);
    actionBar = getActionBar();
    mAdapter = new TabsPagerAdapter(getSupportFragmentManager());

    viewPager.setAdapter(mAdapter);
    actionBar.setHomeButtonEnabled(false);
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);        

    // Adding Tabs
    for (String tab_name : tabs) {
        actionBar.addTab(actionBar.newTab().setText(tab_name)
                .setTabListener(this));
    }

}