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

Introduction

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

Prototype

public void setOnPageChangeListener(OnPageChangeListener listener)

Source Link

Document

Set a listener that will be invoked whenever the page changes or is incrementally scrolled.

Usage

From source file:info.schnatterer.nusic.android.activities.MainActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // Set underlying layout (view pager that captures swipes)
    setContentView(R.layout.activity_main);

    /* Init tab fragments */
    final ActionBar actionBar = getSupportActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

    // Capture page swipes
    ViewPager pager = (ViewPager) findViewById(R.id.mainPager);
    ViewPager.SimpleOnPageChangeListener ViewPagerListener = new ViewPager.SimpleOnPageChangeListener() {
        @Override/*from ww w . j  a va 2 s  . c  o m*/
        public void onPageSelected(int position) {
            super.onPageSelected(position);
            // Find the ViewPager Position
            actionBar.setSelectedNavigationItem(position);
        }
    };
    pager.setOnPageChangeListener(ViewPagerListener);
    // Set adapter that handles fragment (i.e. tab creation)
    TabFragmentPagerAdapter tabAdapter = new TabFragmentPagerAdapter(getSupportFragmentManager());
    pager.setAdapter(tabAdapter);

    if (getIntent().hasExtra(EXTRA_ACTIVE_TAB)) {
        currentTab = ((TabDefinition) getIntent().getExtras().get(EXTRA_ACTIVE_TAB));
    }
    // Create all tabs as defined in adapter
    TabListener tabListener = new TabListener(pager);
    for (TabDefinition tab : TabDefinition.values()) {
        actionBar.addTab(actionBar.newTab().setText(tab.titleId).setTabListener(tabListener), tab.position,
                isTabSelected(tab));
    }

    // Handle first app start, if necessary
    if (!onCreateCalled) {
        onCreateCalled = true;
        switch (NusicApplication.getAppStart()) {
        case FIRST:
            showWelcomeDialog(TextUtil.loadTextFromAsset(this, "welcomeDialog.html", true));
            /*
             * The initialization is finished once the user dismisses the
             * dialog in order to avoid overlapping dialogs.
             */
            return;
        case UPGRADE:
            showWelcomeDialog(TextUtil.loadTextFromAsset(this, "CHANGELOG.html"));
            /*
             * The initialization is finished once the user dismisses the
             * dialog in order to avoid overlapping dialogs.
             */
            return;
        default:
            break;
        }
    }
    // Finish initialization, because no dialog was opened
    registerListenersAndStartLoading(false);
}

From source file:com.android.settings.widget.DotsPageIndicator.java

public void setViewPager(ViewPager viewPager) {
    this.viewPager = viewPager;
    viewPager.setOnPageChangeListener(this);
    setPageCount(viewPager.getAdapter().getCount());
    viewPager.getAdapter().registerDataSetObserver(new DataSetObserver() {
        @Override//from w  w w  .j  a v  a  2s.c  o m
        public void onChanged() {
            setPageCount(DotsPageIndicator.this.viewPager.getAdapter().getCount());
        }
    });
    setCurrentPageImmediate();
}

From source file:com.malus.pushshow.widget.TabPageIndicator.java

@Override
public void setViewPager(ViewPager view) {
    if (view == null) {
        return;/*from   w  ww . j  a v  a2 s . c o m*/
    }
    if (mViewPager == view && (mViewPager != null && mViewPager.getAdapter() == view.getAdapter())) {
        return;
    }
    if (mViewPager != null) {
        mViewPager.setOnPageChangeListener(null);
    }
    final PagerAdapter adapter = view.getAdapter();
    if (adapter == null) {
        throw new IllegalStateException("ViewPager does not have adapter instance.");
    }
    mViewPager = view;
    view.setOnPageChangeListener(this);
    notifyDataSetChanged();
}

From source file:y.q.PageIndicator.TabPageIndicator.java

@Override
public void setViewPager(ViewPager view) {
    if (mViewPager == view) {
        return;//  w w w  .j  a  v  a2s .c om
    }
    tabTitleAdapter = null;
    if (mViewPager != null) {
        mViewPager.setOnPageChangeListener(null);
    }

    final PagerAdapter adapter = view.getAdapter();
    if (adapter == null) {
        throw new IllegalStateException("ViewPager does not have adapter instance.");
    } else {
        if (adapter instanceof TabTitleAdapter) {
            tabTitleAdapter = (TabTitleAdapter) view.getAdapter();
        } else {
            throw new IllegalArgumentException("ViewPager's Adapter must  instanceof TabTitleAdapter");
        }
    }
    mViewPager = view;
    view.setOnPageChangeListener(this);
    notifyDataSetChanged();
}

From source file:com.cloud.widget.viewpager.PagerSlidingTabStrip.java

public void setViewPager(ViewPager pager, float[] indicatorNum, int screenWidth, boolean hasIndicator,
        boolean hasNum) {
    this.pager = pager;
    if (pager.getAdapter() == null) {
        throw new IllegalStateException("ViewPager does not have adapter instance.");
    }//from  w w w . j  a v a 2s  .  c  o  m
    this.screenWidth = screenWidth;
    pager.setOnPageChangeListener(pageListener);

    notifyDataSetChanged(indicatorNum, hasIndicator, hasNum);
}

From source file:com.example.fragmentdemo.views.PagerSlidingTabStrip.java

public void setViewPager(ViewPager pager) {
    this.pager = pager;

    if (pager.getAdapter() == null) {
        throw new IllegalStateException("ViewPager does not have adapter instance.");
    }/*w w  w  .ja v a2 s.  c  o m*/

    pager.setOnPageChangeListener(this);

    notifyDataSetChanged();
}

From source file:play.wm.ljb.com.wmiplay.view.PagerSlidingTabStrip.java

public void setViewPager(ViewPager pager) {
    this.pager = pager;

    if (pager.getAdapter() == null) {
        throw new IllegalStateException("ViewPager does not have adapter instance.");
    }//ww w .j  a v a2 s  . co m

    if (pager.getClass() == MorePageListenerViewPager.class) {
        ((MorePageListenerViewPager) pager).setOnMorePageChangeListeners(pageListener);
    } else {
        pager.setOnPageChangeListener(pageListener);
    }
    notifyDataSetChanged();
}

From source file:com.tutor.fragment.ViewPageFragment.java

public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    applicationData = (ApplicationData) getActivity().getApplication();
    View mView = inflater.inflate(R.layout.tabmain, null);
    ViewPager vp = (ViewPager) mView.findViewById(R.id.vp_banner);
    ArrayList<View> listViews = new ArrayList<View>();
    View view1 = inflater.inflate(R.layout.layout_banner1, null);
    initialUserInfoPart1(view1);/*from  w  w  w .ja  v  a  2  s.  c  o m*/
    listViews.add(view1);
    View view2 = inflater.inflate(R.layout.layout_banner2, null);
    initialUserInfoPart2(view2);
    listViews.add(view2);
    vp.setOnPageChangeListener(new PageViewOnChangeListener());
    vp.setAdapter(new PageViewAdapter(listViews));

    this.inflater = inflater;
    // initialUserInfo(mView);
    showLeft = (ImageView) mView.findViewById(R.id.show_left);
    return mView;
}

From source file:com.mugu.mp3prayer.utils.PagerSlidingTabStrip.java

/**
 * ViewPager//w w  w. j a  v  a  2s .  c  o m
 * 
 * @param pager
 * @param setupListener
 *            ?OnPageChangeListener
 * */
public void setViewPager(ViewPager pager, boolean setupListener) {
    this.pager = pager;

    if (pager.getAdapter() == null) {
        throw new IllegalStateException("ViewPager does not have adapter instance.");
    }
    if (setupListener) {
        pager.setOnPageChangeListener(new OnPageChangeListener() {

            @Override
            public void onPageSelected(int position) {
                PagerSlidingTabStrip.this.onPageSelected(position);
            }

            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
                PagerSlidingTabStrip.this.onPageScrolled(position, positionOffset, positionOffsetPixels);
            }

            @Override
            public void onPageScrollStateChanged(int state) {
                PagerSlidingTabStrip.this.onPageScrollStateChanged(state);
            }
        });
    }
    notifyDataSetChanged();
}

From source file:com.jhk.whysoformal.activity.main.WhySoFormalActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    ViewPager viewPager = new ViewPager(this);
    viewPager.setId(R.id.mainViewPager);
    setContentView(viewPager);//w  w  w.ja va 2s  . co m

    FragmentManager fragmentManager = getSupportFragmentManager();
    viewPager.setAdapter(new FragmentStatePagerAdapter(fragmentManager) {

        @Override
        public Fragment getItem(int position) {

            Fragment fragment;

            switch (position) {
            case MUSIC_LIST_FRAGMENT:
                fragment = MusicListFragment.newInstance();
                break;
            //case MOVE_MOVE_FRAGMENT: fragment = MoveMoveFragment.newInstance(); break;
            default:
                fragment = null;
            }

            return fragment;
        }

        @Override
        public int getCount() {
            return 1;
        }

    });

    viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {

        @Override
        public void onPageSelected(int state) {
        }

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

        @Override
        public void onPageScrollStateChanged(int position) {
        }
    });
}