viewpager和PagerTabStrip

布局文件

<?xml version="1.0" encoding="utf-8"?>
<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="wrap_content"
        android:orientation="vertical">
       
        <!-- 插入viewpager-->
        <android.support.v4.view.ViewPager
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/oo"
            android:layout_gravity="center">
            <android.support.v4.view.PagerTabStrip
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="top"
                android:id="@+id/pagertab"
                android:background="@color/anhong"
                >
            </android.support.v4.view.PagerTabStrip>
        </android.support.v4.view.ViewPager>
</LinearLayout>

程序文件

package com.fuyiwen.a;

import android.content.Intent;
import android.graphics.Color;
import android.graphics.drawable.AnimationDrawable;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.PagerTabStrip;
import android.support.v4.view.ViewPager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.style.ForegroundColorSpan;
import android.text.style.RelativeSizeSpan;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.support.v7.widget.Toolbar;
import android.support.v7.app.ActionBarDrawerToggle;

import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class MainActivity extends AppCompatActivity {
    private  View view1,view2,view3;
    private ViewPager viewPager;
    private List<View> viewList;
    private  List<String> titleList;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
viewPager=(ViewPager) findViewById(R.id.oo);
 LayoutInflater inflater=getLayoutInflater();
view1=inflater.inflate(R.layout.layout1,null);
 view2=inflater.inflate(R.layout.layout2,null);
 view3=inflater.inflate(R.layout.layout3,null); 
viewList=new ArrayList<View>();
 viewList.add(view1);
viewList.add(view2);
 viewList.add(view3);
 titleList=new ArrayList<String>();
 titleList.add("应用实例1");
 titleList.add("应用实例2");
 titleList.add("应用实例3");
 PagerAdapter pagerAdapter=new PagerAdapter() { 
@Override public int getCount() { return viewList.size(); }
 @Override public boolean isViewFromObject(View arg0, Object arg1) { return arg0==arg1; }
 @Override public void destroyItem(ViewGroup container, int position,Object object){ container.removeView(viewList.get(position)); }
 @Override public Object instantiateItem(ViewGroup container,int position){ container.addView(viewList.get(position)); 
return viewList.get(position); }
 @Override public CharSequence getPageTitle(int position){ SpannableStringBuilder ssb=new SpannableStringBuilder(titleList.get(position));
 ForegroundColorSpan fcs=new ForegroundColorSpan(Color.GRAY); 
ssb.setSpan(fcs,0,ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 ssb.setSpan(new RelativeSizeSpan(1.2f),0,ssb.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); return ssb; } 
};
 viewPager.setAdapter(pagerAdapter);
 PagerTabStrip pagerTabStrip; 
pagerTabStrip=(PagerTabStrip)findViewById(R.id.pagertab);
pagerTabStrip.setTabIndicatorColorResource(R.color.white); 
}
}