ViewPageer用PagerTabStrip实现导航

<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.support.v4.view.ViewPager            android:id="@+id/vp"            android:layout_width="match_parent"            android:layout_height="match_parent">            <android.support.v4.view.PagerTabStrip                android:id="@+id/pts"                   android:layout_width="wrap_content"            android:layout_height="wrap_content"/>        </android.support.v4.view.ViewPager></RelativeLayout>

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package com.kk.viewpager;
/**
* ViewPager用PagerTabStrip导航
*/
import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.PagerTabStrip;
import android.support.v4.view.ViewPager;
import android.view.View;
import android.view.ViewGroup;

public class MainActivity extends Activity {

private PagerTabStrip pt;private ViewPager vp;private List<View> l;private List<String> l_pt;@SuppressWarnings("unused")@Overrideprotected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    pt=(PagerTabStrip)findViewById(R.id.pts);    vp=(ViewPager)findViewById(R.id.vp);    l=new ArrayList<View>();    l_pt=new ArrayList<String>();    View v1=getLayoutInflater().inflate(R.layout.v1, null);    View v2=getLayoutInflater().inflate(R.layout.v2, null);    View v3=getLayoutInflater().inflate(R.layout.v3, null);    l.add(v1);    l.add(v2);    l.add(v3);    l_pt.add("第一页");    l_pt.add("第二页");    l_pt.add("第三页");    pt.setTabIndicatorColor(Color.BLUE);//设置 导航条背景色    pt.setBackgroundColor(Color.RED);//设置背景颜色    pt.setDrawFullUnderline(false);//设置下面的黑线不可见    vp.setAdapter(new MyAdapter());}class MyAdapter extends PagerAdapter{    @Override    public int getCount() {        return l.size();    }    @Override    public boolean isViewFromObject(View arg0, Object arg1) {        return arg0==arg1;    }    @Override    public Object instantiateItem(ViewGroup container, int position) {        container.addView(l.get(position));        return l.get(position);    }    @Override    public void destroyItem(ViewGroup container, int position, Object object) {                 container.removeView(l.get(position));    }    @Override    public CharSequence getPageTitle(int position) {        return l_pt.get(position);    }}

}