主要布局以下：
<LinearLayout 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:orientation="vertical" >
<android.support.v4.app.FragmentTabHost
android:id="@android:id/tabhost"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
<FrameLayout
android:id="@android:id/tabcontent"
android:layout_width="match_parent"
android:layout_height="0dip"
android:layout_weight="1" />
</android.support.v4.app.FragmentTabHost>
<!--决定tab在上还是在底部-->
<FrameLayout
android:id="@+id/tabcontainer"
android:layout_width="match_parent"
android:layout_height="0dip"
android:layout_weight="1" />
</LinearLayout>
主要代码以下：
package com.example.testtab;
import android.app.Activity;
import android.os.Bundle;
import android.provider.SyncStateContract.Constants;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentTabHost;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TabHost;
import android.widget.TabWidget;
import android.widget.TabHost.TabSpec;
import android.widget.Toast;
public class MainActivity extends FragmentActivity {
private FragmentTabHost tabHost;
private TabWidget tabWidget;
private TabSpec tabSpec;
private View view;
private View view2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tabHost = (FragmentTabHost)findViewById(android.R.id.tabhost);
tabHost.setup(this, getSupportFragmentManager(),R.id.tabcontainer);
tabHost.getTabWidget().setDividerDrawable(null);
view = getLayoutInflater().inflate(R.layout.view,null);
tabHost.addTab(tabHost.newTabSpec("home").setIndicator(view),HomeFragment.class,null);
view2 = getLayoutInflater().inflate(R.layout.view2,null);
tabHost.addTab(tabHost.newTabSpec("find").setIndicator(view2),FindFragment.class,null);
}
}