class MainActivity

package org.androidtown.mypager;

import android.content.Context;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    ViewPager pager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        pager =(ViewPager)findViewById(R.id.pager);


        //어댑터 설정
        MyAdapter adapter=new MyAdapter(this);
        pager.setAdapter(adapter);

    }

    public void onClick(View v){
        //두번째 화면으로 이동
        pager.setCurrentItem(1);
    }



    class MyAdapter extends PagerAdapter {

        String[] names={"소녀시대", "걸스데이", "씨스타"} ;
        int[] mLayout={R.layout.first, R.layout.second, R.layout.third};

        private LayoutInflater mInflater;

        public  MyAdapter(Context c){
            super();
            mInflater=LayoutInflater.from(c);
        }

        @Override
        public int getCount() {
            return names.length;
        }

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return view.equals(object);
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            container.removeView((View)object);
        }

/*
        // 인덱스가 개수에 따라 화면 만들기
        // layout 을 inflate 를 해서 화면 자체를 변환
        @Override
        public Object instantiateItem(ViewGroup container, int position) {

            View v = null;
            if(position==0){
                v = mInflater.inflate(mLayout[0], null);
            }
            else if(position==1){
                v = mInflater.inflate(mLayout[1], null);
            }else{
                v = mInflater.inflate(mLayout[2], null);
            }

            ((ViewPager)pager).addView(v, 0);

            return v;

        }*/


        // 인덱스가 개수에 따라 화면 만들기
        // 일반적인 레이아웃 생성 텍스트만 전환
        @Override
        public Object instantiateItem(ViewGroup container, int position) {

            LinearLayout layout=new LinearLayout(getApplicationContext());
            layout.setOrientation(LinearLayout.VERTICAL);

            TextView view =new TextView(getApplicationContext());
            view.setText(names[position]);
            view.setTextSize(40.0f);

            layout.addView(view);

            container.addView(layout);

            return layout;
        }

    }






}

 

R.layout.activity_main

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >


    <Button
        android:text="특정페이지로 이동 2페잊"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:id="@+id/button"
        android:onClick="onClick"
        />


    <android.support.v4.view.ViewPager
        android:id="@+id/pager"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />




</LinearLayout>

 

 

first.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:id="@+id/first"
    android:background="@color/colorAccent"
    >

</LinearLayout>

 

second.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:id="@+id/second"
    android:background="@android:color/holo_orange_light"
    >

</LinearLayout>

 

 

 

third.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:id="@+id/third"
    android:background="@android:color/holo_green_light"
    >

</LinearLayout>