ViewpagetExample

1)create LayoutOne.java
==================
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class LayoutOne extends Fragment {


    public static Fragment newInstance(Context context) {
        LayoutOne f = new LayoutOne();   
       
        return f;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
        ViewGroup root = (ViewGroup) inflater.inflate(R.layout.layout_one, null);       
        return root;
    }
   
}
2)LayoutTwo.java
===========
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class LayoutTwo extends Fragment {


    public static Fragment newInstance(Context context) {
        LayoutTwo f = new LayoutTwo();   
       
        return f;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
        ViewGroup root = (ViewGroup) inflater.inflate(R.layout.layout_two, null);       
        return root;
    }
   
}
3)ViewPagerAdapter.java
================

import android.content.Context;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;

public class ViewPagerAdapter extends FragmentPagerAdapter {
    private Context _context;
    public static int totalPage=2;
    public ViewPagerAdapter(Context context, FragmentManager fm) {
        super(fm);   
        _context=context;
       
        }
    @Override
    public Fragment getItem(int position) {
        Fragment f = new Fragment();
        switch(position){
        case 0:
            f=LayoutOne.newInstance(_context);   
            break;
        case 1:
            f=LayoutTwo.newInstance(_context);   
            break;
        }
        return f;
    }
    @Override
    public int getCount() {
        return totalPage;
    }

}
4)ViewPagerStyle1Activity.java
===============
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.widget.Button;

public class ViewPagerStyle1Activity extends FragmentActivity {
    private ViewPager _mViewPager;
    private ViewPagerAdapter _adapter;
    private Button _btn1,_btn2;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        setUpView();
        setTab();
    }
    private void setUpView(){       
        _mViewPager = (ViewPager) findViewById(R.id.viewPager);
     _adapter = new ViewPagerAdapter(getApplicationContext(),getSupportFragmentManager());
     _mViewPager.setAdapter(_adapter);
     _mViewPager.setCurrentItem(0);
     initButton();
    }
    private void setTab(){
            _mViewPager.setOnPageChangeListener(new OnPageChangeListener(){
                       
                        @Override
                        public void onPageScrollStateChanged(int position) {}
                        @Override
                        public void onPageScrolled(int arg0, float arg1, int arg2) {}
                        @Override
                        public void onPageSelected(int position) {
                            // TODO Auto-generated method stub
                            btnAction(position);
                        }
                       
                    });

    }
    private void btnAction(int action){
        switch(action){
          case 0: setButton(_btn1,"1",40,40); setButton(_btn2,"",20,20);break;
         
          case 1: setButton(_btn2,"2",40,40); setButton(_btn1,"",20,20); break;
        }
    }
    private void initButton(){
        _btn1=(Button)findViewById(R.id.btn1);
        _btn2=(Button)findViewById(R.id.btn2);
        setButton(_btn1,"1",40,40);
        setButton(_btn2,"",20,20);
    }
    private void setButton(Button btn,String text,int h, int w){
        btn.setWidth(w);
        btn.setHeight(h);
        btn.setText(text);
    }
}
5)footer.xml
==========
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:padding="15dip"
    android:background="@color/d_blue"
    android:layout_gravity="bottom"
    android:orientation="vertical" >
   
    <Button android:layout_height="wrap_content" android:layout_width="wrap_content"
    android:id="@+id/btn1"
    android:layout_centerHorizontal="true"
    android:layout_centerVertical="true"
   
    android:background="@drawable/rounded_celll" />
       
     <Button android:layout_height="wrap_content" android:layout_width="wrap_content"
    android:id="@+id/btn2"
    android:layout_toRightOf="@id/btn1"
    android:layout_marginLeft="5dip"
    android:layout_centerHorizontal="true"
    android:layout_centerVertical="true"
    android:background="@drawable/rounded_celll" />

</RelativeLayout>
6)layout1.xml
===========
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@color/white"
    android:gravity="center|center"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="First Layout" />

</LinearLayout>
7)layout2.xml
=============
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@color/white"
    android:gravity="center|center"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Second Layout" />

</LinearLayout>
8)main.xml
=======
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@color/white"
    android:orientation="vertical" >
    <!-- ViewPager -->
    <android.support.v4.view.ViewPager
    android:layout_width="fill_parent" android:layout_height="fill_parent"
    android:id="@+id/viewPager" />
  <!-- Footer -->
  <include layout="@layout/footer"  />
</FrameLayout>

8)declate .ViewPagerStyle1Activity in android manifest.xml
6)