Android Fragment+FragmentTabHost组件实现常见主页面（仿微信新浪）

采取的方法是Fragment+FragmentTabHost组件来实现这种常见的app主页面的效果

首先给出main.xml文件

  <?xml version="1.0" encoding="utf-8"?>
  <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical" android:layout_width="match_parent"
  android:layout_height="match_parent">
  <FrameLayout
   android:id="@+id/realtabcontent"
   android:layout_width="fill_parent"
   android:layout_height="0dip"
   android:layout_weight="1"
   android:background="@color/white" />

  <LinearLayout
   android:layout_width="match_parent"
  android:layout_height="wrap_content"
   android:layout_gravity="bottom"
   android:orientation="vertical">

   <View
    android:layout_width="match_parent"
    android:layout_height="1px"
    android:background="@color/color_home_tab_line" />

   <android.support.v4.app.FragmentTabHost
    android:id="@android:id/tabhost"
  android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:background="@color/et_divider_disable">

    <FrameLayout
     android:id="@android:id/tabcontent"
    android:layout_width="0dp"
     android:layout_height="0dp"
     android:layout_weight="0" />
   </android.support.v4.app.FragmentTabHost>

   </LinearLayout>  </LinearLayout>

主代码：

 public class MainActivity
 { @ViewInject(android.R.id.tabhost)
   private FragmentTabHost mTabHost;
 private LayoutInflater layoutInflater;

 private int mImageViewArray[] = {R.drawable.home_tab1, R.drawable.home_tab2, R.drawable.home_tab3, R.drawable.home_tab4};
   private String mTextviewArray[] = {"首页", "圈子", "资讯","个人中心"};
   private Class fragmentArray[] = {Fragment1.class, Fragment2.class, Fragment3.class,Fragment4.class};

 protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     init()；
   }

 @Override
   protected void init() {
 //    list=new JSONArray();
     layoutInflater=LayoutInflater.from(this);
     initTabHost();//初始化底部菜单
 }

 /**
   * 初始化底部工具栏
   */
   private void initTabHost() {
     mTabHost = (FragmentTabHost) findViewById(android.R.id.tabhost);
     mTabHost.setup(this, getSupportFragmentManager(), R.id.realtabcontent);
     int count = fragmentArray.length;
     for (int i = 0; i < count; i++) {
       TabHost.TabSpec tabSpec = mTabHost.newTabSpec(mTextviewArray[i])
           .setIndicator(getTabItemView(i));
       mTabHost.addTab(tabSpec, fragmentArray[i], null);
       mTabHost.getTabWidget().getChildAt(i)
           .setBackgroundResource(R.color.white);
     }
     mTabHost.setCurrentTabByTag(mTextviewArray[0]);
     mTabHost.getTabWidget().setDividerDrawable(null);
 }

  /**
   * 项的样式
   * @param index 第几个
   * @return 每一个Tab样式
   */
   private View getTabItemView(int index) {
     View view = layoutInflater.inflate(R.layout.tab_home_item, null);
     ImageView imageView = (ImageView) view.findViewById(R.id.icon);
     imageView.setImageResource(mImageViewArray[index]);
     TextView textView = (TextView) view.findViewById(R.id.name);
     textView.setText(mTextviewArray[index]);
     return view;
   }

 }

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