TouTiao开源项目 分析笔记3

@Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_news_tab, container, false);
        initView(view);
        initData();
        return view;
    }

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/windowBackground"
    android:orientation="vertical"
    app:layout_behavior="@string/appbar_scrolling_view_behavior">

    <android.support.v4.widget.SwipeRefreshLayout
        android:id="@+id/refresh_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <android.support.v7.widget.RecyclerView
            android:id="@+id/recycler_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:fadeScrollbars="true"
            android:scrollbarFadeDuration="1"
            android:scrollbars="vertical"
            app:layoutManager="LinearLayoutManager">
        </android.support.v7.widget.RecyclerView>

    </android.support.v4.widget.SwipeRefreshLayout>

</LinearLayout>

android:minHeight="?attr/actionBarSize"

　　 <style name="TabLayout" parent="Base.Widget.Design.TabLayout">
        <item name="tabMaxWidth">@dimen/design_tab_max_width</item>
        <item name="tabIndicatorColor">#FFFFFF</item>
        <item name="tabIndicatorHeight">2dp</item>
        <item name="tabPaddingStart">12dp</item>
        <item name="tabPaddingEnd">12dp</item>
        <item name="tabBackground">?attr/selectableItemBackground</item>
        <item name="tabTextAppearance">@style/TextAppearance.Design.Tab</item>
        <item name="tabSelectedTextColor">?android:textColorPrimary</item>
    </style>

 <android.support.v4.view.ViewPager
        android:id="@+id/view_pager_news"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"
        tools:layout="@layout/fragment_list">
    </android.support.v4.view.ViewPager>

<string name="appbar_scrolling_view_behavior" translatable="false">android.support.design.widget.AppBarLayout$ScrollingViewBehavior</string>

android:scrollbarFadeDuration="1" 

 android:fadeScrollbars="true"

tab_layout.setupWithViewPager(viewPager);

MODE_SCROLLABLE：可滚动tabs，显示一部分tabs，
在这个模式下能包含长标签和大量的tabs，最好用于用户不需要直接比较tabs。