ViewPager实现引导页

废话就不多说了，直接上效果图和代码

fry.Activity01

package fry;
 
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
 import java.util.ListIterator;
 
 import com.example.viewPager.R;
 
 import android.app.Activity;
 import android.os.Bundle;
 import android.support.v4.view.ViewPager;
 import android.support.v4.view.ViewPager.OnPageChangeListener;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup.LayoutParams;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 
 public class Activity01 extends Activity implements OnPageChangeListener,OnClickListener{
     private ViewPager viewPager;
     private List<View> views;//用来存放放进ViewPager里面的ImageView
     private int[] imageID;//
     private ImagePagerAdapter adapter;//适配器
     private LinearLayout linearLayout;
     private int currentPoint;//当前被选中中页面的下标
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         // TODO Auto-generated method stub
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity01);
         initData();
         initView();
         
     }
     //初始化view
     void initView(){
         adapter=new ImagePagerAdapter(views);
         viewPager=(ViewPager) findViewById(R.id.viewPager);
         viewPager.setAdapter(adapter);
         linearLayout=(LinearLayout) findViewById(R.id.linearLayout);
         initPoint();
         viewPager.setOnPageChangeListener(this);
     }
     
     //初始化数据
     void initData(){
         //将图片的id全部放到imageID集合中
         imageID=new int[]{R.drawable.guide1,R.drawable.guide2,R.drawable.guide3,R.drawable.guide4};
         views=new ArrayList<View>();
         //给iamgeView设置LayoutParams参数
         LayoutParams layoutParams=new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
         for(int i:imageID){
             //不确定1
             ImageView imageView=new ImageView(this);
             imageView.setImageResource(i);
             imageView.setLayoutParams(layoutParams);
             views.add(imageView);
         }
         
         
     }
     
     /*
      * 初始化页面下方的点
      */
     private void initPoint(){
         ImageView[] imageView=new ImageView[imageID.length]; 
         for(int i=0;i<linearLayout.getChildCount();i++){
             imageView[i]=(ImageView) linearLayout.getChildAt(i);
             imageView[i].setImageResource(R.drawable.point_normal);
             imageView[i].setOnClickListener(this);
             imageView[i].setTag(i);
         }
         currentPoint=0;
         imageView[currentPoint].setImageResource(R.drawable.point_select);
     }
     /*
      * 将页面下方的点全部置为未选中状态
      */
     private ImageView[] clearPoint(){
         ImageView[] imageView=new ImageView[imageID.length]; 
         for(int i=0;i<linearLayout.getChildCount();i++){
             imageView[i]=(ImageView) linearLayout.getChildAt(i);
             imageView[i].setImageResource(R.drawable.point_normal);
         }
         return imageView;
     }
 
     @Override
     public void onPageScrollStateChanged(int arg0) {
         // TODO Auto-generated method stub
         
     }
 
     @Override
     public void onPageScrolled(int arg0, float arg1, int arg2) {
         // TODO Auto-generated method stub
         
     }
 
     /*
      * 页面被选中时候执行的方法
      * (non-Javadoc)
      * @see android.support.v4.view.ViewPager.OnPageChangeListener#onPageSelected(int)
      */
     @Override
     public void onPageSelected(int position) {
         // TODO Auto-generated method stub
         ImageView[] imageView= clearPoint();
         imageView[position].setImageResource(R.drawable.point_select);
     }
     
     //小圆点点击事件
     @Override
     public void onClick(View v) {
         // TODO Auto-generated method stub
         int i=(Integer) v.getTag();
         viewPager.setCurrentItem(i);
     }
     
 }

fry.ImagePagerAdapter

package fry;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.view.View;
 import android.view.ViewGroup;
 
 public class ImagePagerAdapter extends PagerAdapter{
 
     private List<View> views;
     
     
     
     public ImagePagerAdapter(List<View> views) {
         this.views=views;
     }
 
     @Override
     public int getCount() {
         // TODO Auto-generated method stub
         return this.views.size();
     }
     /**
      * position是在viewPager中显示图片的位置
      * 我对应的图片放到对应的位置就好了
      * instantiateItem和destroyItem是对应的
      * 一个是创建item，一个是销毁item
      */
     @Override
     public Object instantiateItem(ViewGroup container, int position) {
         ((ViewPager)container).addView(views.get(position));
         return views.get(position);
     }
 
     @Override
     public boolean isViewFromObject(View arg0, Object arg1) {
         // TODO Auto-generated method stub
         return arg0==arg1;
     }
 
     @Override
     public void destroyItem(ViewGroup container, int position, Object object) {
         ((ViewPager)container).removeView(views.get(position));
     }
 
 }

/viewPager/res/layout/activity01.xml

<?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical" >
 
     <android.support.v4.view.ViewPager
         android:id="@+id/viewPager"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         >
         
     </android.support.v4.view.ViewPager>
     
     <LinearLayout 
         android:id="@+id/linearLayout"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:orientation="horizontal"
         android:layout_gravity="bottom|center"
         >
         <ImageView 
             android:id="@+id/point1"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:src="@drawable/point_select"
             android:padding="25dip"
             />
         <ImageView 
             android:id="@+id/point2"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:src="@drawable/point_normal"
             android:padding="25dip"
             />
         <ImageView 
             android:id="@+id/point3"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:src="@drawable/point_normal"
             android:padding="25dip"
             />
         <ImageView 
             android:id="@+id/point4"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:src="@drawable/point_normal"
             android:padding="25dip"
             />
         
     </LinearLayout>
 
 </FrameLayout>

1、多个控件（这里指小圆点）可以用List来一起访问

2、可用动态的控件设置tag来区分控件