Examples with PagerAdapter androidx.viewpager.widget.PagerAdapter used on opensource projects

Example 6 with PagerAdapter

use of androidx.viewpager.widget.PagerAdapter in project Android-SpinKit by ybq.

the class DetailActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_detail);
    ViewPager viewPager = (ViewPager) findViewById(R.id.view_pager);
    viewPager.setOffscreenPageLimit(0);
    viewPager.setAdapter(new PagerAdapter() {

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

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return view == object;
        }

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            @SuppressLint("InflateParams") View view = LayoutInflater.from(container.getContext()).inflate(R.layout.item_pager, null);
            SpinKitView spinKitView = (SpinKitView) view.findViewById(R.id.spin_kit);
            TextView name = (TextView) view.findViewById(R.id.name);
            Style style = Style.values()[position];
            name.setText(style.name().toLowerCase());
            Sprite drawable = SpriteFactory.create(style);
            spinKitView.setIndeterminateDrawable(drawable);
            container.addView(view);
            return view;
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            container.removeView((View) object);
        }
    });
    viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {

        @Override
        public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
            int color = (int) ArgbEvaluator.getInstance().evaluate(positionOffset, colors[position % colors.length], colors[(position + 1) % colors.length]);
            getWindow().getDecorView().setBackgroundColor(color);
        }

        @Override
        public void onPageSelected(int position) {
            getWindow().getDecorView().setBackgroundColor(colors[position % colors.length]);
        }

        @Override
        public void onPageScrollStateChanged(int state) {
        }
    });
    viewPager.setCurrentItem(getIntent().getIntExtra("position", 0));
}

Example 7 with PagerAdapter

use of androidx.viewpager.widget.PagerAdapter in project Resurrection_packages_apps_Settings by ResurrectionRemix.

the class SlidingTabLayout method populateTabStrip.

private void populateTabStrip() {
    final PagerAdapter adapter = mViewPager.getAdapter();
    for (int i = 0; i < adapter.getCount(); i++) {
        final TextView tabTitleView = (TextView) mLayoutInflater.inflate(R.layout.sliding_tab_title_view, mTitleView, false);
        tabTitleView.setText(adapter.getPageTitle(i));
        tabTitleView.setOnClickListener(this);
        mTitleView.addView(tabTitleView);
        tabTitleView.setSelected(i == mViewPager.getCurrentItem());
    }
}

Example 8 with PagerAdapter

use of androidx.viewpager.widget.PagerAdapter in project Carbon by ZieIony.

the class TabLayout method setViewPager.

public void setViewPager(final ViewPager viewPager) {
    if (viewPager != null)
        viewPager.removeOnPageChangeListener(pageChangeListener);
    this.viewPager = viewPager;
    if (viewPager != null) {
        viewPager.addOnPageChangeListener(pageChangeListener);
        PagerAdapter adapter = viewPager.getAdapter();
        if (adapter != null && items == null)
            items = Stream.range(0, adapter.getCount()).map(it -> new Item(adapter.getPageTitle(it))).toArray(Item[]::new);
    }
    initTabs();
}

Example 9 with PagerAdapter

use of androidx.viewpager.widget.PagerAdapter in project Carbon by ZieIony.

the class TabsActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    initToolbar();
    ViewPager pager = findViewById(R.id.pager);
    pager.setAdapter(new PagerAdapter() {

        @Override
        public CharSequence getPageTitle(int position) {
            return "Page " + position;
        }

        View getView(int position, ViewPager pager) {
            return new RelativeLayout(pager.getContext(), null, R.attr.carbon_cardViewStyle);
        }

        @Override
        public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
            return view == object;
        }

        @Override
        public int getCount() {
            return 7;
        }

        @NonNull
        @Override
        public Object instantiateItem(@NonNull ViewGroup container, int position) {
            ViewPager pager = (ViewPager) container;
            View view = getView(position, pager);
            pager.addView(view);
            return view;
        }

        @Override
        public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object view) {
            container.removeView((View) view);
        }
    });
    TabLayout tabs = findViewById(R.id.tabs);
    tabs.setViewPager(pager);
    ViewPagerIndicator indicator = findViewById(R.id.indicator);
    indicator.setViewPager(pager);
}

Example 10 with PagerAdapter

use of androidx.viewpager.widget.PagerAdapter in project BGARefreshLayout-Android by bingoogolapple.

the class BGAStickyNavLayout method regetNestedContentView.

/**
 * 重新获取嵌套的内容视图
 */
private void regetNestedContentView() {
    int currentItem = mDirectViewPager.getCurrentItem();
    PagerAdapter adapter = mDirectViewPager.getAdapter();
    if (adapter instanceof FragmentPagerAdapter || adapter instanceof FragmentStatePagerAdapter) {
        Fragment item = (Fragment) adapter.instantiateItem(mDirectViewPager, currentItem);
        mNestedContentView = item.getView();
        // 清空之前的
        mNestedNormalView = null;
        mNestedAbsListView = null;
        mNestedRecyclerView = null;
        mNestedScrollView = null;
        mNestedWebView = null;
        if (mNestedContentView instanceof AbsListView) {
            mNestedAbsListView = (AbsListView) mNestedContentView;
            mNestedAbsListView.setOnScrollListener(mLvOnScrollListener);
            if (!isHeaderViewCompleteInvisible()) {
                mNestedAbsListView.setSelection(0);
            }
        } else if (mNestedContentView instanceof RecyclerView) {
            mNestedRecyclerView = (RecyclerView) mNestedContentView;
            mNestedRecyclerView.removeOnScrollListener(mRvOnScrollListener);
            mNestedRecyclerView.addOnScrollListener(mRvOnScrollListener);
            if (!isHeaderViewCompleteInvisible()) {
                mNestedRecyclerView.scrollToPosition(0);
            }
        } else if (mNestedContentView instanceof ScrollView) {
            mNestedScrollView = (ScrollView) mNestedContentView;
            if (!isHeaderViewCompleteInvisible()) {
                mNestedScrollView.scrollTo(mNestedScrollView.getScrollX(), 0);
            }
        } else if (mNestedContentView instanceof WebView) {
            mNestedWebView = (WebView) mNestedContentView;
            if (!isHeaderViewCompleteInvisible()) {
                mNestedWebView.scrollTo(mNestedWebView.getScrollX(), 0);
            }
        } else {
            mNestedNormalView = mNestedContentView;
        }
    } else {
        throw new IllegalStateException(BGAStickyNavLayout.class.getSimpleName() + "的第三个子控件为ViewPager时，其adapter必须是FragmentPagerAdapter或者FragmentStatePagerAdapter");
    }
}