ShopCategoryActivity.java 文件源码

private void initViewPager(ShopList shopList) {
    if (shopList != null) {
        if (!TextUtils.isEmpty(shopList.name)) {
            setTitle(shopList.name);
        }
        List<Label> labels = shopList.sub_labels;
        if (labels != null && labels.size() > 0) {
            final BaseFragmentPagerAdapter fragmentAdapter = new BaseFragmentPagerAdapter
                    (getSupportFragmentManager());
            for (int i = 0; i < labels.size(); i++) {
                Label label = (Label) labels.get(i);
                if (i == 0) {
                    fragmentAdapter.addFragment(ShopCategoryFragment.newInstance(this
                            .labelId, label.id, shopList), label.name);
                } else {
                    fragmentAdapter.addFragment(ShopCategoryFragment.newInstance(this
                            .labelId, label.id), label.name);
                }
            }
            this.mViewPager.setAdapter(fragmentAdapter);
            this.mViewPager.setOffscreenPageLimit(labels.size());
            this.mSlidingTab.setViewPager(this.mViewPager);
            if (labels != null && labels.size() <= 1) {
                this.mSlidingTab.setVisibility(8);
            } else if (labels != null && labels.size() > 1) {
                this.mSlidingTab.setVisibility(0);
            }
            this.mSlidingTab.setOnPageChangeListener(new SimpleOnPageChangeListener() {
                public void onPageSelected(int position) {
                    ShopCategoryFragment shopLabelFragment = (ShopCategoryFragment)
                            fragmentAdapter.getItem(position);
                    if (position == 0 && shopLabelFragment.isFirstLoad) {
                        shopLabelFragment.loadAll();
                    } else if (shopLabelFragment.isFirstLoad) {
                        shopLabelFragment.loadFirst();
                    }
                }
            });
        }
    }
}