Java Code Examples for androidx.viewpager2.widget.ViewPager2#setAdapter()

The following examples show how to use androidx.viewpager2.widget.ViewPager2#setAdapter() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ViewPager2Fragment.java    From CircleIndicator with Apache License 2.0 6 votes vote down vote up 
@Override public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
    mAdapter = new SampleRecyclerAdapter(5);

    ViewPager2 viewpager = view.findViewById(R.id.viewpager);
    viewpager.setAdapter(mAdapter);

    // CircleIndicator3 for RecyclerView
    CircleIndicator3 indicator = view.findViewById(R.id.indicator);
    indicator.setViewPager(viewpager);

    // CurrentItem
    viewpager.setCurrentItem(2,false);

    // Observe Data Change
    mAdapter.registerAdapterDataObserver(indicator.getAdapterDataObserver());
    view.findViewById(R.id.add).setOnClickListener(new View.OnClickListener() {
        @Override public void onClick(View v) {
            mAdapter.add();
        }
    });
    view.findViewById(R.id.remove).setOnClickListener(v -> {
        mAdapter.remove();
    });
}
Example 2
Source File: ViewPagerFragment.java    From AndroidNavigation with MIT License 5 votes vote down vote up 
private void initView(View view) {

        toolbar = view.findViewById(R.id.toolbar);

        AppBarLayout appBarLayout = view.findViewById(R.id.appbar_layout);

        // important
        if (isStatusBarTranslucent()) {
            appendStatusBarPadding(appBarLayout);
        }

        TabLayout tabLayout = view.findViewById(R.id.tab_layout);
        ViewPager2 viewPager = view.findViewById(R.id.view_pager);

        tabLayout.addTab(tabLayout.newTab().setText("Android"));
        tabLayout.addTab(tabLayout.newTab().setText("Awesome"));
        tabLayout.addTab(tabLayout.newTab().setText("Navigation"));

        viewPager.setAdapter(new ViewPagerAdapter(this));

        new TabLayoutMediator(tabLayout, viewPager, (tab, position) -> {
            String[] titles = new String[]{"Android", "Awesome", "Navigation"};
            tab.setText(titles[position]);
            viewPager.setCurrentItem(position);
        }).attach();

        viewPager.setCurrentItem(0);

    }
Example 3
Source File: TutorialFragment.java    From geopackage-mapcache-android with MIT License 5 votes vote down vote up 
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    tutorialView = inflater.inflate(R.layout.fragment_tutorial, container, false);
    ViewPager2 viewPager = tutorialView.findViewById(R.id.view_pager);
    List<String> pages = new ArrayList<>();
    pages.add("first");
    pages.add("Second");
    pages.add("third");
    TutorialAdapter tutorialAdapter = new TutorialAdapter(getContext(), pages);
    viewPager.setAdapter(tutorialAdapter);
    return tutorialView;
}
Example 4
Source File: MainActivity.java    From ScrollingPagerIndicator with Apache License 2.0 4 votes vote down vote up 
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    int screenWidth = getScreenWidth();

    // Setup ViewPager with indicator
    ViewPager pager = findViewById(R.id.pager);
    DemoPagerAdapter pagerAdapter = new DemoPagerAdapter(8);
    pager.setAdapter(pagerAdapter);

    ScrollingPagerIndicator pagerIndicator = findViewById(R.id.pager_indicator);
    pagerIndicator.attachToPager(pager);

    // Setup ViewPager2 with indicator
    ViewPager2 pager2 = findViewById(R.id.pager2);
    DemoRecyclerViewAdapter pagerAdapter2 = new DemoRecyclerViewAdapter(8, ViewGroup.LayoutParams.MATCH_PARENT);
    pager2.setAdapter(pagerAdapter2);

    ScrollingPagerIndicator pagerIndicator2 = findViewById(R.id.pager_indicator2);
    pagerIndicator2.attachToPager(pager2);

    // Setup RecyclerView with indicator
    // One page will occupy 1/3 of screen width
    RecyclerView recyclerView = findViewById(R.id.recycler);
    recyclerView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
    DemoRecyclerViewAdapter recyclerAdapter = new DemoRecyclerViewAdapter(8, screenWidth / 3);
    recyclerView.setAdapter(recyclerAdapter);

    recyclerView.setPadding(screenWidth / 3, 0, screenWidth / 3, 0);

    ScrollingPagerIndicator recyclerIndicator = findViewById(R.id.recycler_indicator);
    // Consider page in the middle current
    recyclerIndicator.attachToRecyclerView(recyclerView);

    SnapHelper snapHelper = new PagerSnapHelper();
    snapHelper.attachToRecyclerView(recyclerView);

    // Some controls
    NumberPicker pageCountPicker = findViewById(R.id.page_number_picker);
    pageCountPicker.setMaxValue(99);
    pageCountPicker.setMinValue(0);
    pageCountPicker.setValue(pagerAdapter.getCount());

    NumberPicker visibleDotCountPicker = findViewById(R.id.visible_dot_number_picker);
    visibleDotCountPicker.setMinValue(3);
    visibleDotCountPicker.setMaxValue(11);
    visibleDotCountPicker.setValue(pagerIndicator.getVisibleDotCount());

    visibleDotCountPicker.setOnValueChangedListener((picker, oldVal, newVal) -> {
        if (newVal % 2 == 0) {
            Toast.makeText(this, "Visible dot count must be odd number", Toast.LENGTH_SHORT).show();
            return;
        }
        pagerIndicator.setVisibleDotCount(newVal);
        recyclerIndicator.setVisibleDotCount(newVal);
    });

    pageCountPicker.setOnValueChangedListener((picker, oldVal, newVal) -> {
        if (pager.getCurrentItem() >= newVal - 1) {
            pager.setCurrentItem(newVal - 1, false);
        }
        pagerAdapter.setCount(newVal);
        recyclerAdapter.setCount(newVal);
    });
}