public class MainActivity extends ActionBarActivity implements 
OnItemClickListener{
    private DrawerLayout drawerLayout;
    private ActionBarDrawerToggle toggle;
    private ListView navList;
    private FragmentManager fm;
    private List<Fragment> fragments;
    private ArrayAdapter<String> adapter;
    
 
private ActionBar actionBar;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        drawerLayout=(DrawerLayout)super.findViewById(R.id.drawer_layout);
        navList=(ListView)super
 
.findViewById(R.id.left_drawer);
        navList.setOnItemClickListener(this);
        fragments=new ArrayList<Fragment>();
        fm=super.getSupportFragmentManager();
        initListView();
        initActionBar();
        initDrawerLayout();
        initFragments();
    }
            
 
private String[] tabs=new String[]{"新聞","閱讀 ","視聽","發現","我的設定 "};
        /**
    初始化drawer的item列表。這要根據你的app內容來處理，但是一個navigation drawer通常由一個ListView組成，所以列表應該通過一個Adapter填入。
*/
    private void initListView(){
        adapter=new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,
                tabs);
        navList.setAdapter(adapter);
    }
    private void initFragments(){
        NewsFragment newsFragment=new NewsFragment();
        fragments.add(newsFragment);
        ReadFragment readFragment=new ReadFragment();
        fragments.add(readFragment);
        VideoFragment videoFragment=new VideoFragment();
        fragments.add(videoFragment);
        FoundFragment foundFragment=new FoundFragment();
        fragments.add(foundFragment);
        OwnerFragment ownerFragment=new OwnerFragment();
        fragments.add(ownerFragment);
        setFragments(0);
    }
    private void setFragments(int position){
        fm.beginTransaction().replace(R.id.content_frame, 
                fragments.get(position),"t"+position).commit();
    }
    private void initActionBar(){
        actionBar=super.getSupportActionBar();
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setIcon(new ColorDrawable(0));
        actionBar.setTitle(tabs[0]);    
    }
    private void initDrawerLayout(){
        toggle=new ActionBarDrawerToggle(this, drawerLayout, 
                R.drawable.com_btn, R.string.drawer_open,
                R.string.drawer_closed){
                    /** 當drawer處於完全關閉的狀態時呼叫 */
                    @Override
                    public void onDrawerClosed(View drawerView) {
                        super.onDrawerClosed(drawerView);
                    }
                       /** 當drawer處於完全開啟的狀態時呼叫 */
                    @Override
                    public void onDrawerOpened(View drawerView) {
                        super.onDrawerOpened(drawerView);
                    }
            
        };
        // 設定drawer觸發器為DrawerListener
        drawerLayout.setDrawerListener(toggle);
    }
    private void toggleNav(){
        if(drawerLayout.isDrawerOpen(Gravity.START)){
            drawerLayout.closeDrawer(Gravity.START);
        }else{
            drawerLayout.openDrawer(Gravity.START);
        }
        
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
                getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
  @Override
   public boolean onOptionsItemSelected(MenuItem item){
      switch(item.getItemId()){
          case android.R.id.home:
          toggleNav();
          break;
      }
      return true;
  }