android-如何一起实现导航抽屉和SlidingTabLayout？

概述我已经实现了导航抽屉.这是activity_nav_drawer：<android.support.v4.widget.DrawerLayoutxmlns:android="http://schemas.android.com/apkes/android"xmlns:tools="http://schemas.android.comools"android:id="@+id/drawer_layout"andro

我已经实现了导航抽屉.这是activity_nav_drawer：

    <androID.support.v4.Widget.DrawerLayout xmlns:androID="http://schemas.androID.com/apk/res/androID"xmlns:tools="http://schemas.androID.com/tools" androID:ID="@+ID/drawer_layout"androID:layout_wIDth="match_parent" androID:layout_height="match_parent"tools:context="com.example.jyot.advanceparking.NavDrawer"><FrameLayout androID:ID="@+ID/container" androID:layout_wIDth="match_parent"    androID:layout_height="match_parent" /><fragment androID:ID="@+ID/navigation_drawer"    androID:layout_wIDth="@dimen/navigation_drawer_wIDth" androID:layout_height="match_parent"    androID:layout_gravity="start"    androID:name="com.example.jyot.advanceparking.NavigationDrawerFragment"    tools:layout="@layout/fragment_navigation_drawer" />

这是NavDrawer.java：

    public class NavDrawer extends ActionBaractivity    implements NavigationDrawerFragment.NavigationDrawerCallbacks {/** * Fragment managing the behaviors, interactions and presentation of the navigation drawer. */private NavigationDrawerFragment mNavigationDrawerFragment;/** * Used to store the last screen Title. For use in {@link #restoreActionbar()}. */private CharSequence mTitle;@OverrIDeprotected voID onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentVIEw(R.layout.activity_nav_drawer);    mNavigationDrawerFragment = (NavigationDrawerFragment)            getSupportFragmentManager().findFragmentByID(R.ID.navigation_drawer);    mTitle = getTitle();    // Set up the drawer.    mNavigationDrawerFragment.setUp(            R.ID.navigation_drawer,            (DrawerLayout) findVIEwByID(R.ID.drawer_layout));}@OverrIDepublic voID onNavigationDrawerItemSelected(int position) {    Fragment objFragment = null;    switch(position){        case 0:            objFragment = new Menu1_Fragment();            break;        case 1:            objFragment = new Menu2_Fragment();            break;        case 2:            objFragment = new Menu3_Fragment();            break;    }    // update the main content by replacing fragments    FragmentManager fragmentManager = getSupportFragmentManager();    fragmentManager.beginTransaction()            .replace(R.ID.container, objFragment)            .commit();}public voID onSectionAttached(int number) {    switch (number) {        case 1:            mTitle = getString(R.string.Title_section1);            break;        case 2:            mTitle = getString(R.string.Title_section2);            break;        case 3:            mTitle = getString(R.string.Title_section3);            break;    }}public voID restoreActionbar() {    Actionbar actionbar = getSupportActionbar();    actionbar.setNavigationMode(Actionbar.NAVIGATION_MODE_STANDARD);    actionbar.setdisplayShowTitleEnabled(true);    actionbar.setTitle(mTitle);}@OverrIDepublic boolean onCreateOptionsMenu(Menu menu) {    if (!mNavigationDrawerFragment.isDraweropen()) {        // Only show items in the action bar relevant to this screen        // if the drawer is not showing. Otherwise, let the drawer        // decIDe what to show in the action bar.        getMenuInflater().inflate(R.menu.nav_drawer, menu);        restoreActionbar();        return true;    }    return super.onCreateOptionsMenu(menu);}@OverrIDepublic boolean onoptionsItemSelected(MenuItem item) {    // Handle action bar item clicks here. The action bar will    // automatically handle clicks on the Home/Up button, so long    // as you specify a parent activity in AndroIDManifest.xml.    int ID = item.getItemID();    //noinspection SimplifiableIfStatement    if (ID == R.ID.action_settings) {        return true;    }    return super.onoptionsItemSelected(item);}/** * A placeholder fragment containing a simple vIEw. */public static class PlaceholderFragment extends Fragment {    /**     * The fragment argument representing the section number for this     * fragment.     */    private static final String ARG_SECTION_NUMBER = "section_number";    /**     * Returns a new instance of this fragment for the given section     * number.     */    public static PlaceholderFragment newInstance(int sectionNumber) {        PlaceholderFragment fragment = new PlaceholderFragment();        Bundle args = new Bundle();        args.putInt(ARG_SECTION_NUMBER, sectionNumber);        fragment.setArguments(args);        return fragment;    }    public PlaceholderFragment() {    }    @OverrIDe    public VIEw onCreateVIEw(LayoutInflater inflater, VIEwGroup container,                             Bundle savedInstanceState) {        VIEw rootVIEw = inflater.inflate(R.layout.fragment_nav_drawer, container, false);        return rootVIEw;    }    @OverrIDe    public voID onAttach(Activity activity) {        super.onAttach(activity);        ((NavDrawer) activity).onSectionAttached(                getArguments().getInt(ARG_SECTION_NUMBER));    }}

}

我的导航抽屉中的每个项目都对应一个片段,即Menu1_Fragment,Menu2_Fragment,Menu3_Fragment,每个项目都有自己的布局文件.

现在,我想仅在导航抽屉的第一项即Menu1_Fragment中实现SlIDingTabLayout.

我该怎么做呢？我看了很多教程,但是所有这些教程都是在单独的Activity中实现SlIDingTabLayout的,但是我想在Navigation Drawer的Fragment中实现它. (或者也许可以在“导航抽屉活动”中仅针对第一个片段实现该功能,我不知道).

我已经复制了SlIDingTabLayout.java和SlIDingTabStrip.java的Java源文件.请建议我如何进行此 *** 作.

解决方法:

弄清楚了.遵循了本教程：

http://www.android4devs.com/2015/01/how-to-make-material-design-sliding-tabs.html

我在片段而不是活动上实现了本教程.该片段是我的导航抽屉的第一部分或片段.唯一的区别是,我在Fragment的布局和Java文件中而不是在NavDrawer Activity的文件中编写了代码. Java代码需要用onCreateVIEw()而不是onCreate()编写,因为它是片段.其次,在Fragment的Java代码中,我们需要在VIEwPagerAdapter的构造函数调用中传递参数getChildFragmentManager而不是getSupportFragmentManager.

这是Java代码：

    package com.example.jyot.advanceparking;    public class Menu1_Fragment extends Fragment {VIEwPager pager;VIEwPagerAdapter adapter;SlIDingTabLayout tabs;CharSequence Titles[]={"Home","Events"};int Numboftabs =2;VIEw rootVIEw;@OverrIDepublic VIEw onCreateVIEw(LayoutInflater inflater, @Nullable VIEwGroup container, @Nullable Bundle savedInstanceState) {    rootVIEw = inflater.inflate(R.layout.menu1_layout, container, false);    // Creating The VIEwPagerAdapter and Passing Fragment Manager, Titles fot the Tabs and Number Of Tabs.    adapter =  new VIEwPagerAdapter(getChildFragmentManager(), Titles, Numboftabs);    // Assigning VIEwPager VIEw and setting the adapter    pager = (VIEwPager) rootVIEw.findVIEwByID(R.ID.pager);    pager.setAdapter(adapter);    // Assiging the SlIDing Tab Layout VIEw    tabs = (SlIDingTabLayout) rootVIEw.findVIEwByID(R.ID.tabs);    tabs.setdistributeEvenly(true); // To make the Tabs Fixed set this true, This makes the tabs Space Evenly in Available wIDth    // Setting the VIEwPager For the SlIDingTabsLayout    tabs.setVIEwPager(pager);    return rootVIEw;}

}

之后,只需按照本教程进行 *** 作即可.

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