Example usage for android.support.v4.view ViewPager.SimpleOnPageChangeListener ViewPager.SimpleOnPageChangeListener

Introduction

In this page you can find the example usage for android.support.v4.view ViewPager.SimpleOnPageChangeListener ViewPager.SimpleOnPageChangeListener.

Prototype

ViewPager.SimpleOnPageChangeListener

Source Link

Usage

From source file:com.denel.facepatrol.MainActivity.java

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mycontext = getApplicationContext();

    // Create the adapter that will return a fragment for each of the three primary sections
    // of the app.
    mAppSectionsPagerAdapter = new AppSectionsPagerAdapter(getSupportFragmentManager());

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

    // Specify that the Home/Up button should not be enabled, since there is no hierarchical
    // parent.//from   ww  w.  j  a va 2 s .com
    actionBar.setHomeButtonEnabled(false);

    // Specify that we will be displaying tabs in the action bar.
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

    // Set up the ViewPager, attaching the adapter and setting up a listener for when the
    // user swipes between sections.
    mViewPager = (ViewPager) findViewById(R.id.pager);
    mViewPager.setAdapter(mAppSectionsPagerAdapter);
    mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
        @Override
        public void onPageSelected(int position) {
            // When swiping between different app sections, select the corresponding tab.
            // We can also use ActionBar.Tab#select() to do this if we have a reference to the
            // Tab.
            actionBar.setSelectedNavigationItem(position);
        }
    });

    // For each of the sections in the app, add a tab to the action bar.
    for (int i = 0; i < mAppSectionsPagerAdapter.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
        // listener for when this tab is selected.
        actionBar.addTab(
                actionBar.newTab().setText(mAppSectionsPagerAdapter.getPageTitle(i)).setTabListener(this));
    }
}

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From source file:app.screen.MyActivity.java

/**
 * For more info on using view pager and tabs and action bar, <a href="http://goo.gl/7CsM9">checkout this article</a>
 * in the Android developer site's "Training" section.
 * <p/>// www .jav a  2 s  .co m
 * For more info on ViewPager, <a href="http://goo.gl/NgCUO">read this article</a>.
 */
private void _setupFragments() {
    // set up the action bar
    final ActionBar actionBar = getActionBar();
    actionBar.setHomeButtonEnabled(false);
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

    // create the FragmentPagerAdapter
    FragmentPagerAdapter fragmentPagerAdapter = new FragmentPagerAdapter(getSupportFragmentManager()) {
        @Override
        public Fragment getItem(int position) {
            try {
                return Fragments.values()[position].aClass.getConstructor(MyActivity.class)
                        .newInstance(MyActivity.this);
            } catch (Exception e) {
                AndroidUtils.logErr(IconPaths.MyApp, "MyActivity - problem creating fragments", e);
                // something has gone wrong - this shouldn't happen
                return new Fragment() {
                    /** make a fragment to house {@link R.layout#error_fragment} */
                    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                            Bundle savedInstanceState) {
                        return super.onCreateView(inflater, container, savedInstanceState);
                    }
                };
            }
        }

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

        public CharSequence getPageTitle(int position) {
            try {
                return Fragments.values()[position].title;
            } catch (Exception e) {
                return "N/A";
            }
        }
    };

    // Set up the ViewPager, attaching the adapter and setting up a listener for when the
    // user swipes between sections.
    final ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
    viewPager.setOffscreenPageLimit(Fragments.values().length); // keep all the pages in memory
    viewPager.setAdapter(fragmentPagerAdapter);
    viewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
        /**
         * When swiping between different app sections, select the corresponding tab.
         * We can also use ActionBar.Tab#select() to do this if we have a reference to the Tab.
         */
        @Override
        public void onPageSelected(int position) {
            super.onPageSelected(position);
            actionBar.setSelectedNavigationItem(position);
        }
    });
    // create TabListener
    ActionBar.TabListener tabListener = new

    ActionBar.TabListener() {
        @Override
        public void onTabSelected(ActionBar.Tab tab, FragmentTransaction transaction) {
            viewPager.setCurrentItem(tab.getPosition());
        }

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

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

    // setup tabs
    for (int i = 0; i < fragmentPagerAdapter.getCount(); i++) {
        actionBar.addTab(
                actionBar.newTab().setText(fragmentPagerAdapter.getPageTitle(i)).setTabListener(tabListener));
    }

}

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