5.侧边栏逻辑

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#000" >//背景黑色
    <ListView
        android:id="@+id/lv_list"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
//没有点击时的那个效果，变成透明的了，写@null也行
        android:listSelector="@android:color/transparent"
//分割条透明
        android:divider="@android:color/transparent"
//上边远点，要不然不好看
        android:layout_marginTop="40dp" />
</RelativeLayout>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:padding="10dp" >
    <TextView
        android:id="@+id/tv_title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:drawableLeft="@drawable/btn_menu_selector"
        android:drawablePadding="5dp"
        android:enabled="false"
        android:text="新闻"
        android:textColor="@drawable/text_menu_selector"
        android:textSize="25sp" />
</LinearLayout>

<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_enabled="true" android:drawable="@drawable/menu_arr_select"/>
    <item android:drawable="@drawable/menu_arr_normal"/>
</selector>

public class LeftMenuFragment extends BaseFragment {
	@ViewInject(R.id.lv_list)//注解的使用
	private ListView lvList;
	private ArrayList<NewsMenuData> mMenuList;//这在分装JSON数据的分装类中
	private int mCurrentPos;// 当前被点击的菜单项
	private MenuAdapter mAdapter;
	@Override
	public View initViews() {
		View view = View.inflate(mActivity, R.layout.fragment_left_menu, null);
		ViewUtils.inject(this, view);
		return view;
	}
	@Override
	public void initData() {
		lvList.setOnItemClickListener(new OnItemClickListener() {
			@Override
			public void onItemClick(AdapterView<?> parent, View view,
					int position, long id) {
				mCurrentPos = position;
				mAdapter.notifyDataSetChanged();//刷新，然后会调用adapter的GetView方法
				setCurrentMenuDetailPager(position);// 设置当前菜单详情页
				toggleSlidingMenu();// 隐藏
			}
		});
	}
	/**
	 * 切换SlidingMenu的状态
	 * 
	 * @param b
	 */
	protected void toggleSlidingMenu() {
		MainActivity mainUi = (MainActivity) mActivity;//拿到mainactivity
		SlidingMenu slidingMenu = mainUi.getSlidingMenu();//拿到slidingmenu对象
		slidingMenu.toggle();// 切换状态, 显示时隐藏, 隐藏时显示
	}
	/**
	 * 设置当前菜单详情页
	 * 
	 * @param position
	 */
	protected void setCurrentMenuDetailPager(int position) {
		MainActivity mainUi = (MainActivity) mActivity;
		ContentFragment fragment = mainUi.getContentFragment();// 获取主页面fragment，所以main需要这个方法

// 获取侧边栏fragment
	public LeftMenuFragment getLeftMenuFragment() {
		FragmentManager fm = getSupportFragmentManager();
		LeftMenuFragment fragment = (LeftMenuFragment) fm
				.findFragmentByTag(FRAGMENT_LEFT_MENU);
		return fragment;
	}
	// 获取主页面fragment
	public ContentFragment getContentFragment() {
		FragmentManager fm = getSupportFragmentManager();
		ContentFragment fragment = (ContentFragment) fm
				.findFragmentByTag(FRAGMENT_CONTENT);
		return fragment;
	}


		NewsCenterPager pager = fragment.getNewsCenterPager();// 获取新闻中心页面，所以在contentFargment也需要这个方法，这样一步一步的就拿个了NewsCenterPager 的方法
	 // 获取新闻中心页面
	public NewsCenterPager getNewsCenterPager() {
		return (NewsCenterPager) mPagerList.get(1);
	}

		pager.setCurrentMenuDetailPager(position);// 设置当前菜单详情页
	}
	// 设置网络数据
	public void setMenuData(NewsData data) {
		// System.out.println("侧边栏拿到数据啦:" + data);
		mMenuList = data.data;//这个方法在新闻中心调用了，给侧便栏设置页面
		mAdapter = new MenuAdapter();
		lvList.setAdapter(mAdapter);
	}
	/**
	 * 侧边栏数据适配器
	 */
	class MenuAdapter extends BaseAdapter {
		@Override
		public int getCount() {
			return mMenuList.size();
		}
		@Override
		public NewsMenuData getItem(int position) {
			return mMenuList.get(position);
		}
		@Override
		public long getItemId(int position) {
			return position;
		}
		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
			View view = View.inflate(mActivity, R.layout.list_menu_item, null);
			TextView tvTitle = (TextView) view.findViewById(R.id.tv_title);
//下面可以这样写，不过前提是让getItem方法返回NewsMenuData，也可以正常的写mMenuList.get(position)
			NewsMenuData newsMenuData = getItem(position);
			tvTitle.setText(newsMenuData.title);
			if (mCurrentPos == position) {// 判断当前绘制的view是否被选中
				// 显示红色
				tvTitle.setEnabled(true);
			} else {
				// 显示白色
				tvTitle.setEnabled(false);
			}
			return view;
		}
	}
}