切换浏览示意图

一：布局

<?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:orientation="vertical" >  

    <android.support.v4.view.ViewPager
        android:id="@+id/whatsnew_viewpager"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center" > 
        
        
        <android.support.v4.view.PagerTitleStrip
            android:id="@+id/pagertitle"
            android:layout_width="wrap_content"
            android:layout_height="0dp"
            android:layout_gravity="bottom"
            android:background="#0000"
            android:textColor="#ffff" />
    </android.support.v4.view.ViewPager>  
    
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="horizontal"
        > 
        
         <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom"
            android:layout_marginBottom="30dp" 
            android:gravity="center_horizontal"     >
            
            <ImageView
                android:id="@+id/page0"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"                     
                android:scaleType="matrix"
                android:src="@drawable/page_now" />
            <ImageView
                android:id="@+id/page1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="10dp"                     
                android:scaleType="matrix"
                android:src="@drawable/page" />
            <ImageView
                android:id="@+id/page2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="10dp"                        
                android:scaleType="matrix"
                android:src="@drawable/page" />
            <ImageView
                android:id="@+id/page3"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content" 
                android:layout_marginLeft="10dp"                       
                android:scaleType="matrix"
                android:src="@drawable/page" />
            <ImageView
                android:id="@+id/page4"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content" 
                android:layout_marginLeft="10dp"                       
                android:scaleType="matrix"
                android:src="@drawable/page" />
            <ImageView
                android:id="@+id/page5"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content" 
                android:layout_marginLeft="10dp"                       
                android:scaleType="matrix"
                android:src="@drawable/page" />           
            
        </LinearLayout>
        
       
    </LinearLayout>
    
       
</FrameLayout>

二：Activity

public class Whatsnew extends Activity {
    private ViewPager mViewPager;    
    private ImageView mPage0;
    private ImageView mPage1;
    private ImageView mPage2;
    private ImageView mPage3;
    private ImageView mPage4;
    private ImageView mPage5;
        
    private int currIndex = 0;
    private Context mCon;
    private PagerAdapter adapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.whatsnew_viewpager);
        mCon = Whatsnew.this;
        initView();
        initData();
        registerListener();
    }
    
    private void initView(){
        mViewPager = (ViewPager) findViewById(R.id.whatsnew_viewpager);
        
        mPage0 = (ImageView)findViewById(R.id.page0);
        mPage1 = (ImageView)findViewById(R.id.page1);
        mPage2 = (ImageView)findViewById(R.id.page2);
        mPage3 = (ImageView)findViewById(R.id.page3);
        mPage4 = (ImageView)findViewById(R.id.page4);
        mPage5 = (ImageView)findViewById(R.id.page5);
        
        
        
       
    }
    
    private void initData(){
         final ArrayList<View> list = new ArrayList<View>();
        //通过布局加载器获取到布局
            LayoutInflater mLi = LayoutInflater.from(mCon);
            View view1 = mLi.inflate(R.layout.whats1, null);
            View view2 = mLi.inflate(R.layout.whats2, null);
            View view3 = mLi.inflate(R.layout.whats3, null);
            View view4 = mLi.inflate(R.layout.whats4, null);
            View view5 = mLi.inflate(R.layout.whats5, null);
            View view6 = mLi.inflate(R.layout.whats6, null);
            list.add(view1);
            list.add(view2);
            list.add(view3);
            list.add(view4);
            list.add(view5);
            list.add(view6);
            
            adapter = new PagerAdapter() {
                
                @Override
                public boolean isViewFromObject(View arg0, Object arg1) {
                    return arg0 == arg1;
                }
                
                @Override
                public int getCount() {
                    return list.size();
                }
                
                @Override
                public void destroyItem(View container, int position, Object object) {
                    ((ViewPager)container).removeView(list.get(position));
                }
                
                @Override
                public Object instantiateItem(View container, int position) {

                    ((ViewPager)container).addView(list.get(position));
                    return list.get(position);
                }

                @Override
                public void finishUpdate(View arg0) {
                    // TODO Auto-generated method stub
                    
                }

                @Override
                public void restoreState(Parcelable arg0, ClassLoader arg1) {
                    // TODO Auto-generated method stub
                    
                }

                @Override
                public Parcelable saveState() {
                    // TODO Auto-generated method stub
                    return null;
                }

                @Override
                public void startUpdate(View arg0) {
                    // TODO Auto-generated method stub
                    
                }
            };
    }
    
    private void registerListener(){
        mViewPager.setOnPageChangeListener(new MyOnPageChangeListener());
        mViewPager.setAdapter(adapter);
    }
    
    
    
    public class MyOnPageChangeListener implements OnPageChangeListener{

        @Override
        public void onPageScrollStateChanged(int arg0) {
            
        }

        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2) {
            
        }

        @Override
        public void onPageSelected(int arg0) {
            switch (arg0) {
            case 0:                
                mPage0.setImageDrawable(getResources().getDrawable(R.drawable.page_now));
                mPage1.setImageDrawable(getResources().getDrawable(R.drawable.page));
                break;
            case 1:
                mPage1.setImageDrawable(getResources().getDrawable(R.drawable.page_now));
                mPage0.setImageDrawable(getResources().getDrawable(R.drawable.page));
                mPage2.setImageDrawable(getResources().getDrawable(R.drawable.page));
                break;
            case 2:
                mPage2.setImageDrawable(getResources().getDrawable(R.drawable.page_now));
                mPage1.setImageDrawable(getResources().getDrawable(R.drawable.page));
                mPage3.setImageDrawable(getResources().getDrawable(R.drawable.page));
                break;
            case 3:
                mPage3.setImageDrawable(getResources().getDrawable(R.drawable.page_now));
                mPage4.setImageDrawable(getResources().getDrawable(R.drawable.page));
                mPage2.setImageDrawable(getResources().getDrawable(R.drawable.page));
                break;
            case 4:
                mPage4.setImageDrawable(getResources().getDrawable(R.drawable.page_now));
                mPage3.setImageDrawable(getResources().getDrawable(R.drawable.page));
                mPage5.setImageDrawable(getResources().getDrawable(R.drawable.page));
                break;
            case 5:
                mPage5.setImageDrawable(getResources().getDrawable(R.drawable.page_now));
                mPage4.setImageDrawable(getResources().getDrawable(R.drawable.page));
                break;
            }
            currIndex = arg0;
        }    
    }
    
    
    
    public void startbutton(View v) {  
          Intent intent = new Intent();
        intent.setClass(Whatsnew.this,WhatsnewDoor.class);
        startActivity(intent);
        this.finish();
      }
}