android.support.v4.view.ViewPager Java Examples

@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
    mCurrentPage = position;
    mPositionOffset = positionOffset;
    if (mFades) {
        if (positionOffsetPixels > 0) {
            removeCallbacks(mFadeRunnable);
            mPaint.setAlpha(0xFF);
        } else if (mScrollState != ViewPager.SCROLL_STATE_DRAGGING) {
            postDelayed(mFadeRunnable, mFadeDelay);
        }
    }
    invalidate();

    if (mListener != null) {
        mListener.onPageScrolled(position, positionOffset, positionOffsetPixels);
    }
}
 

@Override
protected void onFinishInflate() {
    super.onFinishInflate();
    addView(LayoutInflater.from(getContext()).inflate(R.layout.holly_view_pager, this, false));

    viewPager = (ViewPager) findViewById(R.id.bfp_viewPager);
    headerScroll = (HorizontalScrollView) findViewById(R.id.bfp_headerScroll);
    headerLayout = (ViewGroup) findViewById(R.id.bfp_headerLayout);

    {
        ViewGroup.LayoutParams layoutParams = headerLayout.getLayoutParams();
        layoutParams.height = this.settings.headerHeightPx;
        headerLayout.setLayoutParams(layoutParams);
    }

    animator = new HollyViewPagerAnimator(this);
}
 

public TrackViewHolder(View view) {
    super(view);

    index = (CircularProgressButton) view.findViewById(R.id.cell_index);
    artist = (TextView) view.findViewById(R.id.cell_artist);
    title = (TextView) view.findViewById(R.id.cell_title);
    duration = (TextView) view.findViewById(R.id.cell_duration);
    textSearchAuthor = (TextView) view.findViewById(R.id.textSearchAuthor);
    actionSetRingtone = view.findViewById(R.id.actionSetRingtone);
    actionShare = view.findViewById(R.id.actionShare);
    actionSearchArtist = view.findViewById(R.id.actionSearchAuthor);
    actionDownload = view.findViewById(R.id.actionDownload);
    actionToPlaylist = view.findViewById(R.id.actionToPlaylist);
    actionFromPlaylist = view.findViewById(R.id.actionFromPlaylist);
    artwork = (ImageView) view.findViewById(R.id.cell_artwork);
    downloadProgress = (CircularProgressButton) view.findViewById(R.id.track_cell_progress_download);

    viewPager = (ViewPager) view.findViewById(R.id.viewPager);
    mainView = viewPager.findViewById(R.id.item_page_0);
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                Bundle savedInstanceState) {
    init(container, savedInstanceState);
    setHasOptionsMenu(true);
    setActionBarTitle(getString(R.string.Aboutus_fragment_title));
    final View view = inflater
                    .inflate(R.layout.fragment_aboutus_pager, container, false);
    mTitles= new ArrayList<String>(Arrays.asList(getResources().getStringArray(R.array.aboutus_fragment_titles)));

    mAboutUsPager = (ViewPager) view.findViewById(R.id.pager_aboutus);

    mAdapter = new AboutUsPageAdapter(getChildFragmentManager(), mTitles);

    mAboutUsPager.setAdapter(mAdapter);

    mIndicator = (TitlePageIndicator) view
                    .findViewById(R.id.aboutUsTitlesIndicator);
    mIndicator.setOnPageChangeListener(this);
    mIndicator.setViewPager(mAboutUsPager);
    onPageSelected(0);
    return view;
}
 

@Override
public void setViewPager(ViewPager viewPager) {
    if (mViewPager == viewPager) {
        return;
    }
    if (mViewPager != null) {
        //Clear us from the old pager.
        mViewPager.setOnPageChangeListener(null);
    }
    if (viewPager.getAdapter() == null) {
        throw new IllegalStateException("ViewPager does not have adapter instance.");
    }
    mViewPager = viewPager;
    mViewPager.setOnPageChangeListener(this);
    invalidate();
    post(new Runnable() {
        @Override public void run() {
            if (mFades) {
                post(mFadeRunnable);
            }
        }
    });
}
 

public CommentsTimeLinePagerAdapter(CommentsTimeLineFragment fragment, ViewPager viewPager, FragmentManager fm,
                                    SparseArray<Fragment> fragmentList) {
    super(fm);
    this.fragmentList = fragmentList;
    fragmentList.append(CommentsTimeLineFragment.COMMENTS_TO_ME_CHILD_POSITION,
            fragment.getCommentsToMeTimeLineFragment());
    fragmentList.append(CommentsTimeLineFragment.COMMENTS_BY_ME_CHILD_POSITION,
            fragment.getCommentsByMeTimeLineFragment());
    FragmentTransaction transaction = fragment.getChildFragmentManager().beginTransaction();
    if (!fragmentList.get(CommentsTimeLineFragment.COMMENTS_TO_ME_CHILD_POSITION).isAdded())
        transaction.add(viewPager.getId(), fragmentList.get(CommentsTimeLineFragment.COMMENTS_TO_ME_CHILD_POSITION),
                CommentsToMeTimeLineFragment.class.getName());
    if (!fragmentList.get(CommentsTimeLineFragment.COMMENTS_BY_ME_CHILD_POSITION).isAdded())
        transaction.add(viewPager.getId(), fragmentList.get(CommentsTimeLineFragment.COMMENTS_BY_ME_CHILD_POSITION),
                CommentsByMeTimeLineFragment.class.getName());
    if (!transaction.isEmpty()) {
        transaction.commit();
        fragment.getChildFragmentManager().executePendingTransactions();
    }
}
 

@Override
public void setViewPager(ViewPager vp, int realCount) {
    if (isValid(vp)) {
        this.vp = vp;
        this.count = realCount;
        vp.removeOnPageChangeListener(this);
        vp.addOnPageChangeListener(this);

        unselectDrawables.clear();
        unselectRects.clear();
        for (int i = 0; i < count; i++) {
            unselectDrawables.add(new GradientDrawable());
            unselectRects.add(new Rect());
        }

        invalidate();
    }
}
 

private float getXVelocity() {
    float xVelocity = 0;
    Class viewpagerClass = ViewPager.class;
    try {
        Field velocityTrackerField = viewpagerClass.getDeclaredField("mVelocityTracker");
        velocityTrackerField.setAccessible(true);
        VelocityTracker velocityTracker = (VelocityTracker) velocityTrackerField.get(this);

        Field activePointerIdField = viewpagerClass.getDeclaredField("mActivePointerId");
        activePointerIdField.setAccessible(true);

        Field maximumVelocityField = viewpagerClass.getDeclaredField("mMaximumVelocity");
        maximumVelocityField.setAccessible(true);
        int maximumVelocity = maximumVelocityField.getInt(this);

        velocityTracker.computeCurrentVelocity(1000, maximumVelocity);
        xVelocity = VelocityTrackerCompat.getXVelocity(velocityTracker, activePointerIdField.getInt(this));
    } catch (Exception ignored) {
    }
    return xVelocity;
}
 

@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
    mCurrentPage = position;
    mPositionOffset = positionOffset;
    if (mFades) {
        if (positionOffsetPixels > 0) {
            removeCallbacks(mFadeRunnable);
            mPaint.setAlpha(0xFF);
        } else if (mScrollState != ViewPager.SCROLL_STATE_DRAGGING) {
            postDelayed(mFadeRunnable, mFadeDelay);
        }
    }
    invalidate();

    if (mListener != null) {
        mListener.onPageScrolled(position, positionOffset, positionOffsetPixels);
    }
}
 

private void setViewPager(ViewPager viewPager) {
        removeAllViews();
        mViewPager = viewPager;
        if (viewPager != null && viewPager.getAdapter() != null) {
            viewPager.setOnPageChangeListener(new InternalViewPagerListener());
            initTabLayout();
            viewPager.setCurrentItem(0);

//            for (int i : justBottonPosition) {
//                tabItemsNoJustButtonPosition.remove(i);
//                viewPagerAllPosition.add(i, i);
//            }
            for (int i = 0; i < justBottonPosition.size(); i++) {
                int j = justBottonPosition.get(i);
                tabItemsNoJustButtonPosition.remove(j - i);
                viewPagerAllPosition.add(j, j);
            }
        }
    }
 

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

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

    final ActionBar bar = getActionBar();
    bar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
    bar.setDisplayOptions(0, ActionBar.DISPLAY_SHOW_TITLE);

    mTabsAdapter = new TabsAdapter(this, mViewPager);
    mTabsAdapter.addTab(bar.newTab().setText("Simple"),
            CountingFragment.class, null);
    mTabsAdapter.addTab(bar.newTab().setText("List"),
            FragmentPagerSupport.ArrayListFragment.class, null);
    mTabsAdapter.addTab(bar.newTab().setText("Cursor"),
            CursorFragment.class, null);

    if (savedInstanceState != null) {
        bar.setSelectedNavigationItem(savedInstanceState.getInt("tab", 0));
    }
}
 

private void findView() {
    this.myViewPager = (ViewPager) this.mRootView.findViewById(R.id.channel_detail_viewpager);
    this.mTabPageIndicator = (ChannelTabPageIndicator) this.mRootView.findViewById(R.id.channel_detail_indicator);
    this.mChannelWallIcon = (RelativeLayout) this.mRootView.findViewById(R.id.channel_wall_icon);
    this.mViewshadow = this.mRootView.findViewById(R.id.channel_wall_shadow);
    this.mChannelWallIcon.setOnClickListener(new OnClickListener(this) {
        final /* synthetic */ HomeFragment this$0;

        {
            if (HotFix.PREVENT_VERIFY) {
                System.out.println(VerifyLoad.class);
            }
            this.this$0 = this$0;
        }

        public void onClick(View v) {
            this.this$0.startChannelWallActivity();
        }
    });
    this.myViewPager.setOnTouchListener(this.onTouchListener);
    this.mRootView.setOnTouchListener(this.onTouchListener);
    this.mRootView.loading(false);
    this.mViewshadow.bringToFront();
}
 

@Override
public void onPageSelected(int position) {
    if (mScrollState == ViewPager.SCROLL_STATE_IDLE) {
        mTabStrip.onViewPagerPageChanged(position, 0f);
        scrollToTab(position, 0);
    }

    if (mViewPagerPageChangeListener != null) {
        mViewPagerPageChangeListener.onPageSelected(position);
    }
    if(mSelectPosition != position)
        mSelectPosition = position;
}
 

@Override
public void onPageSelected(int position) {
    if (mSnap || mScrollState == ViewPager.SCROLL_STATE_IDLE) {
        mCurrentPage = position;
        mSnapPage = position;
        invalidate();
    }

    if (mListener != null) {
        mListener.onPageSelected(position);
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    this.requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.activity_main);
    viewPager = (ViewPager) findViewById(R.id.ViewPager_main);
    radioGroup = (RadioGroup) findViewById(R.id.RadioGroup_main);
    application = (MyApplication)getApplication();

    //viewPage
    List<Fragment> fragmentList = new ArrayList<>();
    HomeFragment homeFragment = new HomeFragment();
    SearchFragment searchFragment = new SearchFragment();
    ClassifyFragment classifyFragment = new ClassifyFragment();
    ShoppingCarFragment shoppingCarFragment = new ShoppingCarFragment();
    OrderFragment orderFragment = new OrderFragment();
    MyFragment myFragment = new MyFragment();
    fragmentList.add(homeFragment);
    fragmentList.add(searchFragment);
    fragmentList.add(classifyFragment);
    fragmentList.add(shoppingCarFragment);
    fragmentList.add(orderFragment);
    fragmentList.add(myFragment);
    application.setViewPager(viewPager);
    viewPager.setAdapter(new MyFragmentPagerAdapter(getSupportFragmentManager(),fragmentList));
    viewPager.setCurrentItem(0);
    viewPager.setOnPageChangeListener(new MyPageLister());

    //
    radioGroup.setOnCheckedChangeListener(new MyRadionGroupListen());
    radioGroup.check(R.id.radioButton_main_home);
    //
}
 

@Override
public void onPageScrollStateChanged(int state) {
    switch (state) {
        case ViewPager.SCROLL_STATE_DRAGGING:
            isAutoScrolled = false;
            break;
        case ViewPager.SCROLL_STATE_SETTLING:
            isAutoScrolled = false;
            break;
        case ViewPager.SCROLL_STATE_IDLE:
            isAutoScrolled = true;
            break;
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_feeds);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    ViewPager viewPager = (ViewPager) findViewById(R.id.feeds_view_pager);
    FeedsPagerAdapter adapter = new FeedsPagerAdapter(getSupportFragmentManager());
    adapter.addFragment(PostsFragment.newInstance(PostsFragment.TYPE_HOME), "HOME");
    adapter.addFragment(PostsFragment.newInstance(PostsFragment.TYPE_FEED), "FEED");
    viewPager.setAdapter(adapter);
    viewPager.setCurrentItem(1);
    TabLayout tabLayout = (TabLayout) findViewById(R.id.feeds_tab_layout);
    tabLayout.setupWithViewPager(viewPager);

    mFab = (FloatingActionButton) findViewById(R.id.fab);
    mFab.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
            if (user == null || user.isAnonymous()) {
                Toast.makeText(FeedsActivity.this, "You must sign-in to post.", Toast.LENGTH_SHORT).show();
                return;
            }
            Intent newPostIntent = new Intent(FeedsActivity.this, NewPostActivity.class);
            startActivity(newPostIntent);
        }
    });
}
 

private void initView() {
    tbtnHDAccount = (ToggleButton) findViewById(R.id.tbtn_hd_account);
    tbtnOther = (ToggleButton) findViewById(R.id.tbtn_other);
    pager = (ViewPager) findViewById(R.id.pager);
    ibtnCancel = (ImageButton) findViewById(R.id.ibtn_cancel);
    tbtnHDAccount.setOnClickListener(new IndicatorClick(0));
    tbtnOther.setOnClickListener(new IndicatorClick(1));
    ibtnCancel.setOnClickListener(cancelClick);
    pager.setAdapter(adapter);
    pager.setOnPageChangeListener(pageChange);
    pager.setCurrentItem(0);
    tbtnHDAccount.setChecked(true);
}
 

@Override
protected void onCreate(Bundle savedInstanceState)
  {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  final ViewPager viewPager=(ViewPager)findViewById(R.id.viewPager);
  final ViewPager viewPager2=(ViewPager)findViewById(R.id.viewPager2);
  viewPager.setAdapter(new MyPagerAdapter());
  viewPager2.setAdapter(new MyPagerAdapter());
  /**the current master viewPager*/
  AtomicReference<ViewPager> masterRef=new AtomicReference<>();
  viewPager.addOnPageChangeListener(new ParallaxOnPageChangeListener(viewPager,viewPager2,masterRef));
  viewPager2.addOnPageChangeListener(new ParallaxOnPageChangeListener(viewPager2,viewPager,masterRef));
  }
 

private void initUI(ParsedModel parsed) {
    m_Title = parsed.getTitle();
    setTitle(m_Title);
    App.getInstance().getTabByTag(getTag()).setTitle(m_Title);
    getMainActivity().notifyTabAdapter();
    viewPager = (ViewPager) findViewById(R.id.devDbViewPager);
    adapter = new DevDbViewPagerAdapter(getMainActivity(), getChildFragmentManager(), parsed);
    viewPager.setAdapter(adapter);
    viewPager.setOnPageChangeListener(mChangeListener);

    tabLayout.removeAllTabs();
    tabLayout.setupWithViewPager(viewPager);
    showTabs(m_Position);
}
 

/**
 * Set ViewPager
 * @param viewPager ViewPager
 */
public void setViewPager(ViewPager viewPager) {
    if (viewPager.getAdapter() == null) {
        throw new IllegalStateException("ViewPager has to have adapter");
    }

    if (!(viewPager.getAdapter() instanceof TabPagerAdapter)) {
        throw new IllegalStateException("Adapter has to implement TabPagerAdapter interface");
    }

    mViewPager = viewPager;
    mViewPager.setOnPageChangeListener(new InternalPageChangeListener());

    refreshData(0);
}
 

public void setViewPager(ViewPager pager) {
    this.pager = pager;
    if (pager.getAdapter() == null) {
        throw new IllegalStateException("ViewPager does not have adapter instance.");
    }
    pager.setOnPageChangeListener(pageListener);
    notifyDataSetChanged();
}
 

@Override
public void onPageSelected(int position) {
    if (mScrollState == ViewPager.SCROLL_STATE_IDLE) {
        mTabStrip.onViewPagerPageChanged(position, 0f);
        scrollToTab(position, 0);
    }

    if (mViewPagerPageChangeListener != null) {
        mViewPagerPageChangeListener.onPageSelected(position);
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_pager_tabs);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    ViewPager pager = (ViewPager) findViewById(R.id.pager);
    PagerTitleAdapter pagerAdapter = new PagerTitleAdapter(this);
    pager.setAdapter(pagerAdapter);
    TabLayout pagerTabs = (TabLayout) findViewById(R.id.pager_tabs);
    pagerTabs.setupWithViewPager(pager);
}
 

@Override
public void onPageSelected(int position) {
    if (mScrollState == ViewPager.SCROLL_STATE_IDLE) {
        mTabStrip.onViewPagerPageChanged(position, 0f);
        scrollToTab(position, 0);
    }

    if (mViewPagerPageChangeListener != null) {
        mViewPagerPageChangeListener.onPageSelected(position);
    }
}
 

public TabsAdapter(MainActivity context, ViewPager viewPager) {
    super(context.getSupportFragmentManager());
    mContext = context;
    mViewPager = viewPager;
    mActionBar=context.getSupportActionBar();
    mViewPager.setAdapter(this);
    mViewPager.setOnPageChangeListener(this);
}
 

@Override
public void onPageSelected(int position) {
    if (mSnap || mScrollState == ViewPager.SCROLL_STATE_IDLE) {
        mCurrentPage = position;
        mSnapPage = position;
        invalidate();
    }

    if (mListener != null) {
        mListener.onPageSelected(position);
    }
}
 

private void setupViewPager(ViewPager viewPager) {
    ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
    adapter.addFragment(new MainFragment(), "CONNECTION");
    adapter.addFragment(new ContactActivityFragment2(), "NEED HELP?");
    adapter.addFragment(new IpDetailsFragment(), "MY IP");
    viewPager.setAdapter(adapter);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    //Initialize VIewPager
    ViewPager mViewPager = (ViewPager) findViewById(R.id.viewPager_Home);
    TabLayout mTabLayout = (TabLayout) findViewById(R.id.tabLayout_Home);
    MyViewPagerAdapter myViewPagerAdapter = new MyViewPagerAdapter(getSupportFragmentManager());
    mViewPager.setAdapter(myViewPagerAdapter);
    //Sync TabLayout with ViewPager.
    mTabLayout.setupWithViewPager(mViewPager);
}
 

@Override
public void onPageSelected(int position) {
    if (mScrollState == ViewPager.SCROLL_STATE_IDLE) {
        mTabStrip.onViewPagerPageChanged(position, 0f);
        scrollToTab(position, 0);
    }
    for (int i = 0; i < mTabStrip.getChildCount(); i++) {
        mTabStrip.getChildAt(i).setSelected(position == i);
    }
    if (mViewPagerPageChangeListener != null) {
        mViewPagerPageChangeListener.onPageSelected(position);
    }
}