Android 在表格布局中导航时，键盘打开

我正在使用一个简单的表格来显示我的应用程序中由RecycleServiceAdapter组成的三个不同列表，如下所示：

问题是，每次加载此活动或更改选项卡时，键盘都会自动显示

以下是我的不同文件：

MainActivity.java

private DrawerLayout mDrawerLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);

    setContentView(R.layout.activity_main);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    final ActionBar ab = getSupportActionBar();
    if (ab != null) {
        ab.setHomeAsUpIndicator(R.drawable.ic_menu);
        ab.setDisplayHomeAsUpEnabled(true);
    }

    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);

    NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
    if (navigationView != null) {
        setupDrawerContent(navigationView);
    }

    ViewPager viewPager = (ViewPager) findViewById(R.id.viewpager);
    if (viewPager != null) {
        setupViewPager(viewPager);
    }

    TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);
    if (tabLayout != null){
        tabLayout.setupWithViewPager(viewPager);
    }

    //Initializing NavigationView
    navigationView = (NavigationView) findViewById(R.id.nav_view);

    //Setting Navigation View Item Selected Listener to handle the item click of the navigation menu
    if (navigationView != null) {
        navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {

            // This method will trigger on item Click of navigation menu
            @Override
            public boolean onNavigationItemSelected(MenuItem menuItem) {

            //Checking if the item is in checked state or not, if not make it in checked state
            if (menuItem.isChecked()) menuItem.setChecked(false);
            else menuItem.setChecked(true);

            //Closing drawer on item click
            mDrawerLayout.closeDrawers();

            switch (menuItem.getItemId()) {
                // Drawer options
            }
        });
    }
}


/*
@Override
public boolean onCreateOptionsMenu(Menu item) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.options_menu, item);

    SearchManager searchManager =
            (SearchManager) getSystemService(Context.SEARCH_SERVICE);
    SearchView searchView =
            (SearchView) item.findItem(R.id.action_search).getActionView();
    searchView.setSearchableInfo(
            searchManager.getSearchableInfo(getComponentName()));
    return true;
}*/


@Override
public boolean onCreateOptionsMenu(final Menu menu) {
    getMenuInflater().inflate(R.menu.options_menu, menu);

    final MenuItem searchItem = menu.findItem(R.id.action_search);
    SearchView searchView = (android.widget.SearchView) searchItem.getActionView();

    final MenuItem filterItem = menu.findItem(R.id.action_filter);

    searchView.setQueryHint(getString(R.string.search_hint));
    searchView.setIconified(false);
    searchView.onActionViewExpanded();

    return super.onCreateOptionsMenu(menu);
}



@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case android.R.id.home:
            mDrawerLayout.openDrawer(GravityCompat.START);
            return true;
    }
    return super.onOptionsItemSelected(item);
}


private void setupViewPager(ViewPager viewPager) {
    Adapter adapter = new Adapter(getSupportFragmentManager());
    adapter.addFragment(new ListFragment(), "1");
    adapter.addFragment(new ListFragment(), "2");
    adapter.addFragment(new ListFragment(), "3");
    viewPager.setAdapter(adapter);
}

private void setupDrawerContent(NavigationView navigationView) {
    navigationView.setNavigationItemSelectedListener(
            new NavigationView.OnNavigationItemSelectedListener() {
                @Override
                public boolean onNavigationItemSelected(MenuItem menuItem) {
                    menuItem.setChecked(true);
                    mDrawerLayout.closeDrawers();
                    return true;
                }
            });
}

static class Adapter extends FragmentPagerAdapter {
    private final List<Fragment> mFragments = new ArrayList<>();
    private final List<String> mFragmentTitles = new ArrayList<>();

    public Adapter(FragmentManager fm) {
        super(fm);
    }

    public void addFragment(Fragment fragment, String title) {
        mFragments.add(fragment);
        mFragmentTitles.add(title);
    }

    @Override
    public Fragment getItem(int position) {
        return mFragments.get(position);
    }

    @Override
    public int getCount() {
        return mFragments.size();
    }

    @Override
    public CharSequence getPageTitle(int position) {
        return mFragmentTitles.get(position);
    }
}

private RecyclerView mRecyclerView;

private PostAdapter mAdapter;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setHasOptionsMenu(true);
    getActivity().invalidateOptionsMenu();

}

public int getViewID() {
    return R.layout.fragment_post_list;
}

public void bindViews(View v) {
    mRecyclerView = (RecyclerView) v.findViewById(R.id.recyclerview);
    loadUpdates();
}

@Override
public void onAttach(Activity activity){
    super.onAttach(activity);
    if (mRecyclerView == null){
        return;
    }

}


private void loadUpdates() {
    showListView(false);

    //Gets information from the server and call setAdapter()

}

private void setAdapter() {

    if ( ((MainActivity)getActivity()).getPostList() == null) {
        Log.i(MainActivity.TAG, "not ready to set Adapter");
        return;
    }

    showListView(true);

    mAdapter = new PostAdapter(((MainActivity)getActivity()).getPostList(),this.getContext());
    mRecyclerView.setAdapter(mAdapter);

}


private void showListView(boolean show) {
    mRecyclerView.setVisibility(show ? View.VISIBLE : View.GONE);
}

@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    RecyclerView rv = (RecyclerView) inflater.inflate(
            R.layout.fragment_post_list, container, false);

    setupRecyclerView(rv);
    mRecyclerView = rv;
    loadUpdates();
    return rv;
}

private void setupRecyclerView(RecyclerView recyclerView) {
    recyclerView.setLayoutManager(new LinearLayoutManager(recyclerView.getContext()));

}


public static class SimpleStringRecyclerViewAdapter
        extends RecyclerView.Adapter<SimpleStringRecyclerViewAdapter.ViewHolder> {

    private final TypedValue mTypedValue = new TypedValue();
    private int mBackground;
    private List<String> mValues;

    public static class ViewHolder extends RecyclerView.ViewHolder {
        public String mBoundString;

        public final View mView;
        public final TextView mTextView;

        public ViewHolder(View view) {
            super(view);
            mView = view;
            mTextView = (TextView) view.findViewById(R.id.post_name);
        }

        @Override
        public String toString() {
            return super.toString() + " '" + mTextView.getText();
        }
    }

    public String getValueAt(int position) {
        return mValues.get(position);
    }

    public SimpleStringRecyclerViewAdapter(Context context, List<String> items) {
        context.getTheme().resolveAttribute(R.attr.selectableItemBackground, mTypedValue, true);
        mBackground = mTypedValue.resourceId;
        mValues = items;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.list_item, parent, false);
        view.setBackgroundResource(mBackground);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(final ViewHolder holder, int position) {
        holder.mBoundString = mValues.get(position);
        holder.mTextView.setText(mValues.get(position));
    }

    @Override
    public int getItemCount() {
        return mValues.size();
    }
}

私人抽屉布局mDrawerLayout；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
this.getWindow（）.setSoftInputMode（WindowManager.LayoutParams.SOFT\u输入\状态\始终\隐藏）；
setContentView（R.layout.activity_main）；
Toolbar Toolbar=（Toolbar）findViewById（R.id.Toolbar）；
设置支持操作栏（工具栏）；
最终ActionBar ab=getSupportActionBar（）；
如果（ab！=null）{
ab.setHomeAsUpIndicator（R.drawable.ic_菜单）；
ab.setDisplayHomeAsUpEnabled（真）；
}
mDrawerLayout=（抽屉布局）findViewById（R.id.抽屉布局）；
NavigationView NavigationView=（NavigationView）findViewById（R.id.nav_视图）；
if（navigationView！=null）{
setupDrawerContent（导航视图）；
}
ViewPager ViewPager=（ViewPager）findViewById（R.id.ViewPager）；
if（viewPager！=null）{
设置viewPager（viewPager）；
}
TabLayout TabLayout=（TabLayout）findViewById（R.id.tabs）；
if（tabLayout！=null）{
tabLayout.setupWithViewPager（viewPager）；
}
//初始化NavigationView
navigationView=（navigationView）findViewById（R.id.nav_视图）；
//设置导航视图项Selected Listener以处理导航菜单中的项单击
if（navigationView！=null）{
navigationView.setNavigationItemSelectedListener（新建navigationView.OnNavigationItemSelectedListener（））{
//此方法将在单击导航菜单项时触发
@凌驾
公共布尔值onNavigationItemSelected（MenuItem MenuItem）{
//检查项目是否处于选中状态，如果未处于选中状态，则使其处于选中状态
如果（menuItem.isChecked（））menuItem.setChecked（false）；
else menuItem.setChecked（true）；
//按项目关闭抽屉
mDrawerLayout.closeDrawers（）；
开关（menuItem.getItemId（））{
//抽屉选项
}
});
}
}
/*
@凌驾
公共布尔onCreateOptions菜单（菜单项）{
MenuInflater充气机=getMenuInflater（）；
充气机。充气（右菜单。选项菜单，项目）；
搜索管理器搜索管理器=
（SearchManager）getSystemService（Context.SEARCH\u服务）；
搜索视图搜索视图=
（SearchView）item.findItem（R.id.action_search）.getActionView（）；
searchView.setSearchableInfo(
getSearchableInfo（getComponentName（））；
返回true；
}*/
@凌驾
公共布尔onCreateOptions菜单（最终菜单）{
getMenuInflater（）.充气（R.menu.options\u菜单，菜单）；
final MenuItem searchItem=menu.findItem（R.id.action\u search）；
SearchView SearchView=（android.widget.SearchView）searchItem.getActionView（）；
final MenuItem filterItem=menu.findItem（R.id.action\u filter）；
setQueryHint（getString（R.string.search_hint））；
searchView.setIconified（false）；
searchView.onActionViewExpanded（）；
返回super.onCreateOptions菜单（菜单）；
}
@凌驾
公共布尔值onOptionsItemSelected（菜单项项）{
开关（item.getItemId（））{
案例android.R.id.home：
mDrawerLayout.openDrawer（重力compat.START）；
返回true；
}
返回super.onOptionsItemSelected（项目）；
}
专用无效设置ViewPager（ViewPager ViewPager）{
适配器适配器=新适配器（getSupportFragmentManager（））；
addFragment（新的ListFragment（），“1”）；
addFragment（新的ListFragment（），“2”）；
addFragment（新的ListFragment（），“3”）；
viewPager.setAdapter（适配器）；
}
私有void setupDrawerContent（导航视图导航视图）{
navigationView.setNavigationItemSelectedListener(
新建NavigationView.OnNavigationItemSelectedListener（）{
@凌驾
公共布尔值onNavigationItemSelected（MenuItem MenuItem）{
menuItem.setChecked（true）；
mDrawerLayout.closeDrawers（）；
返回true；
}
});
}
静态类适配器扩展FragmentPagerAdapter{
私有最终列表MFFragments=new ArrayList（）；
私有最终列表MFFragmentTitles=new ArrayList（）；
公共适配器（FragmentManager fm）{
超级（fm）；
}
public void addFragment（片段片段，字符串标题）{
添加（片段）；
MFFragmentTitles.add（标题）；
}
@凌驾
公共片段getItem（int位置）{
返回mFragments.get（位置）；
}
@凌驾
public int getCount（）{
返回mffragments.size（）；
}
@凌驾
公共字符序列getPageTitle（int位置）{
返回MFFragmentTitles.get（位置）；
}
}

ListFragment.java

private DrawerLayout mDrawerLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);

    setContentView(R.layout.activity_main);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    final ActionBar ab = getSupportActionBar();
    if (ab != null) {
        ab.setHomeAsUpIndicator(R.drawable.ic_menu);
        ab.setDisplayHomeAsUpEnabled(true);
    }

    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);

    NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
    if (navigationView != null) {
        setupDrawerContent(navigationView);
    }

    ViewPager viewPager = (ViewPager) findViewById(R.id.viewpager);
    if (viewPager != null) {
        setupViewPager(viewPager);
    }

    TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);
    if (tabLayout != null){
        tabLayout.setupWithViewPager(viewPager);
    }

    //Initializing NavigationView
    navigationView = (NavigationView) findViewById(R.id.nav_view);

    //Setting Navigation View Item Selected Listener to handle the item click of the navigation menu
    if (navigationView != null) {
        navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {

            // This method will trigger on item Click of navigation menu
            @Override
            public boolean onNavigationItemSelected(MenuItem menuItem) {

            //Checking if the item is in checked state or not, if not make it in checked state
            if (menuItem.isChecked()) menuItem.setChecked(false);
            else menuItem.setChecked(true);

            //Closing drawer on item click
            mDrawerLayout.closeDrawers();

            switch (menuItem.getItemId()) {
                // Drawer options
            }
        });
    }
}


/*
@Override
public boolean onCreateOptionsMenu(Menu item) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.options_menu, item);

    SearchManager searchManager =
            (SearchManager) getSystemService(Context.SEARCH_SERVICE);
    SearchView searchView =
            (SearchView) item.findItem(R.id.action_search).getActionView();
    searchView.setSearchableInfo(
            searchManager.getSearchableInfo(getComponentName()));
    return true;
}*/


@Override
public boolean onCreateOptionsMenu(final Menu menu) {
    getMenuInflater().inflate(R.menu.options_menu, menu);

    final MenuItem searchItem = menu.findItem(R.id.action_search);
    SearchView searchView = (android.widget.SearchView) searchItem.getActionView();

    final MenuItem filterItem = menu.findItem(R.id.action_filter);

    searchView.setQueryHint(getString(R.string.search_hint));
    searchView.setIconified(false);
    searchView.onActionViewExpanded();

    return super.onCreateOptionsMenu(menu);
}



@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case android.R.id.home:
            mDrawerLayout.openDrawer(GravityCompat.START);
            return true;
    }
    return super.onOptionsItemSelected(item);
}


private void setupViewPager(ViewPager viewPager) {
    Adapter adapter = new Adapter(getSupportFragmentManager());
    adapter.addFragment(new ListFragment(), "1");
    adapter.addFragment(new ListFragment(), "2");
    adapter.addFragment(new ListFragment(), "3");
    viewPager.setAdapter(adapter);
}

private void setupDrawerContent(NavigationView navigationView) {
    navigationView.setNavigationItemSelectedListener(
            new NavigationView.OnNavigationItemSelectedListener() {
                @Override
                public boolean onNavigationItemSelected(MenuItem menuItem) {
                    menuItem.setChecked(true);
                    mDrawerLayout.closeDrawers();
                    return true;
                }
            });
}

static class Adapter extends FragmentPagerAdapter {
    private final List<Fragment> mFragments = new ArrayList<>();
    private final List<String> mFragmentTitles = new ArrayList<>();

    public Adapter(FragmentManager fm) {
        super(fm);
    }

    public void addFragment(Fragment fragment, String title) {
        mFragments.add(fragment);
        mFragmentTitles.add(title);
    }

    @Override
    public Fragment getItem(int position) {
        return mFragments.get(position);
    }

    @Override
    public int getCount() {
        return mFragments.size();
    }

    @Override
    public CharSequence getPageTitle(int position) {
        return mFragmentTitles.get(position);
    }
}

private RecyclerView mRecyclerView;

private PostAdapter mAdapter;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setHasOptionsMenu(true);
    getActivity().invalidateOptionsMenu();

}

public int getViewID() {
    return R.layout.fragment_post_list;
}

public void bindViews(View v) {
    mRecyclerView = (RecyclerView) v.findViewById(R.id.recyclerview);
    loadUpdates();
}

@Override
public void onAttach(Activity activity){
    super.onAttach(activity);
    if (mRecyclerView == null){
        return;
    }

}


private void loadUpdates() {
    showListView(false);

    //Gets information from the server and call setAdapter()

}

private void setAdapter() {

    if ( ((MainActivity)getActivity()).getPostList() == null) {
        Log.i(MainActivity.TAG, "not ready to set Adapter");
        return;
    }

    showListView(true);

    mAdapter = new PostAdapter(((MainActivity)getActivity()).getPostList(),this.getContext());
    mRecyclerView.setAdapter(mAdapter);

}


private void showListView(boolean show) {
    mRecyclerView.setVisibility(show ? View.VISIBLE : View.GONE);
}

@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    RecyclerView rv = (RecyclerView) inflater.inflate(
            R.layout.fragment_post_list, container, false);

    setupRecyclerView(rv);
    mRecyclerView = rv;
    loadUpdates();
    return rv;
}

private void setupRecyclerView(RecyclerView recyclerView) {
    recyclerView.setLayoutManager(new LinearLayoutManager(recyclerView.getContext()));

}


public static class SimpleStringRecyclerViewAdapter
        extends RecyclerView.Adapter<SimpleStringRecyclerViewAdapter.ViewHolder> {

    private final TypedValue mTypedValue = new TypedValue();
    private int mBackground;
    private List<String> mValues;

    public static class ViewHolder extends RecyclerView.ViewHolder {
        public String mBoundString;

        public final View mView;
        public final TextView mTextView;

        public ViewHolder(View view) {
            super(view);
            mView = view;
            mTextView = (TextView) view.findViewById(R.id.post_name);
        }

        @Override
        public String toString() {
            return super.toString() + " '" + mTextView.getText();
        }
    }

    public String getValueAt(int position) {
        return mValues.get(position);
    }

    public SimpleStringRecyclerViewAdapter(Context context, List<String> items) {
        context.getTheme().resolveAttribute(R.attr.selectableItemBackground, mTypedValue, true);
        mBackground = mTypedValue.resourceId;
        mValues = items;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.list_item, parent, false);
        view.setBackgroundResource(mBackground);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(final ViewHolder holder, int position) {
        holder.mBoundString = mValues.get(position);
        holder.mTextView.setText(mValues.get(position));
    }

    @Override
    public int getItemCount() {
        return mValues.size();
    }
}

private RecyclerView mRecyclerView；
私人邮政适配器；
@凌驾
创建时的公共void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
设置选项菜单（真）；
getActivity（）.InvalidateOptions菜单（）；
}
public int getViewID（）{
返回R.layout.fragment\u post\u列表；
}
公共视图（视图v）{
mRecyclerView=（RecyclerView）v.findViewById（R.id.RecyclerView）；
loadUpdates（）；
}
@凌驾
公共事务主任（活动）{
超级转速计（活动）；
if（mRecyclerView==null）{
返回；
}
}
私有void loadUpdates（）{
showListView（假）；
//从服务器获取信息并调用setAdapter（）
}
私有void setAdapter（）{
if（（（MainActivity）getActivity（））.getPostList（）==null）{
Log.i（MainActivity.TAG，“未准备好设置适配器”）；
返回；
}
showListView（真）
            InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
            if (inputMethodManager != null)
                inputMethodManager.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(), 0);