如何在單個活動中添加操作欄和工具欄？

我想用navigationDrawer，TabHost和ViewPager製作應用程序。我想從API 8支持。我加入了迄今爲止取得的成就。取消註釋主要活動中的註釋語句時會出現錯誤。我該如何解決這個問題？有沒有其他方法可以做到這一點？如何在單個活動中添加操作欄和工具欄？

MainActivity.java

import android.os.Bundle; 
import android.support.design.widget.NavigationView; 
import android.support.v4.app.Fragment; 
import android.support.v4.app.FragmentManager; 
import android.support.v4.app.FragmentPagerAdapter; 
import android.support.v4.app.FragmentTransaction; 
import android.support.v4.view.GravityCompat; 
import android.support.v4.view.ViewPager; 
import android.support.v4.widget.DrawerLayout; 
import android.support.v7.app.ActionBarDrawerToggle; 
import android.support.v7.app.AppCompatActivity; 
import android.support.v7.widget.Toolbar; 
import android.view.MenuItem; 

public class MainActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener,android.support.v7.app.ActionBar.TabListener { 
    ViewPager viewPager; 
    private android.support.v7.app.ActionBar actionBar; 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 
     Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); 
     setSupportActionBar(toolbar); 
     DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); 
     ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
       this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close); 
     drawer.setDrawerListener(toggle); 
     toggle.syncState(); 
     NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); 
     navigationView.setNavigationItemSelectedListener(this); 
     viewPager = (ViewPager) findViewById(R.id.pager); 
     FragmentManager fragmnetManager = getSupportFragmentManager(); 
     viewPager.setAdapter(new MyAdapter(fragmnetManager)); 
     viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() { 
      @Override 
      public void onPageSelected(int pos) { 
       actionBar.setSelectedNavigationItem(pos); 
      } 
      @Override 
      public void onPageScrolled(int arg0, float arg1, int arg2) { 
      } 
      @Override 
      public void onPageScrollStateChanged(int arg0) { 
      } 
     }); 
//  actionBar = getSupportActionBar(); 
//  actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); 
//  android.support.v7.app.ActionBar.Tab tab1 = actionBar.newTab(); 
//  tab1.setText("TABONE"); 
//  tab1.setTabListener(this); 
//  android.support.v7.app.ActionBar.Tab tab2 = actionBar.newTab(); 
//  tab2.setText("TABTWO"); 
//  tab2.setTabListener(this); 
//  actionBar.addTab(tab1); 
//  actionBar.addTab(tab2); 
    } 
    @Override 
    public void onTabReselected(android.support.v7.app.ActionBar.Tab arg0, FragmentTransaction arg1) { 
    } 
    @Override 
    public void onTabSelected(android.support.v7.app.ActionBar.Tab tab, FragmentTransaction arg1) { 
     viewPager.setCurrentItem(tab.getPosition()); 
    } 
    @Override 
    public void onTabUnselected(android.support.v7.app.ActionBar.Tab arg0, FragmentTransaction arg1) { 
    } 
    @Override 
    public void onBackPressed() { 
     DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); 
     if (drawer.isDrawerOpen(GravityCompat.START)) { 
      drawer.closeDrawer(GravityCompat.START); 
     } else { 
      super.onBackPressed(); 
     } 
    } 
    @SuppressWarnings("StatementWithEmptyBody") 
    @Override 
    public boolean onNavigationItemSelected(MenuItem item) { 
     int id = item.getItemId(); 

     if (id == R.id.nav_camara) { 
     } else if (id == R.id.nav_gallery) { 
     } else if (id == R.id.nav_slideshow) { 
     } else if (id == R.id.nav_manage) { 
     } else if (id == R.id.nav_share) { 
     } else if (id == R.id.nav_send) { 
     } 
     DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); 
     drawer.closeDrawer(GravityCompat.START); 
     return true; 
    } 
} 
class MyAdapter extends FragmentPagerAdapter { 
    public MyAdapter(FragmentManager fm) { 
     super(fm); 
    } 
    @Override 
    public Fragment getItem(int i) { 
     Fragment fragment = null; 
     if (i == 0) { 
      fragment = new FragmentOne(); 
     } 
     if (i == 1) { 
      fragment = new FragmentTwo(); 
     } 
     return fragment; 
    } 
    @Override 
    public int getCount() { 
     return 2; 
    } 
}

FragmentOne.java

import android.os.Bundle; 
import android.support.v4.app.Fragment; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.Button; 

public class FragmentOne extends Fragment {  
    public FragmentOne() { 
    } 

    @Override 
    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
    } 

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

}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?> 
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:app="http://schemas.android.com/apk/res-auto" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:id="@+id/drawer_layout" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:fitsSystemWindows="true" 
    tools:openDrawer="start"> 

    <include 
     layout="@layout/app_bar_main" 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" /> 

    <android.support.design.widget.NavigationView 
     android:id="@+id/nav_view" 
     android:layout_width="wrap_content" 
     android:layout_height="match_parent" 
     android:layout_gravity="start" 
     android:fitsSystemWindows="true" 
     app:headerLayout="@layout/nav_header_main" 
     app:menu="@menu/activity_main_drawer" /> 

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

app_bar_main.xml

<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:app="http://schemas.android.com/apk/res-auto" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:fitsSystemWindows="true" 
    tools:context=".MainActivity"> 

    <android.support.design.widget.AppBarLayout 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:theme="@style/AppTheme.AppBarOverlay"> 

     <android.support.v7.widget.Toolbar 
      android:id="@+id/toolbar" 
      android:layout_width="match_parent" 
      android:layout_height="?attr/actionBarSize" 
      android:background="?attr/colorPrimary" 
      app:popupTheme="@style/AppTheme.PopupOverlay" /> 

    </android.support.design.widget.AppBarLayout> 

    <include layout="@layout/content_main" /> 

</android.support.design.widget.CoordinatorLayout>

content_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:app="http://schemas.android.com/apk/res-auto" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    app:layout_behavior="@string/appbar_scrolling_view_behavior" 
    tools:context=".MainActivity" 
    tools:showIn="@layout/app_bar_main"> 

    <android.support.v4.view.ViewPager 
     android:id="@+id/pager" 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" /> 
</RelativeLayout>

當我取消註釋的語句，則導致強制關閉。錯誤是這個標籤配置不能應用，我想這是因爲，在同一活動中使用操作欄和工具欄。我該如何解決這個問題？有沒有其他的方法來完成這件事？

來源

2015-10-12 Sam Alexander