ViewPager实现引导页

废话就不多说了，直接上效果图和代码

fry.Activity01

1 package fry;  2   3 import java.util.ArrayList;  4 import java.util.Collection;  5 import java.util.Iterator;  6 import java.util.List;  7 import java.util.ListIterator;  8   9 import com.example.viewPager.R; 10  11 import android.app.Activity; 12 import android.os.Bundle; 13 import android.support.v4.view.ViewPager; 14 import android.support.v4.view.ViewPager.OnPageChangeListener; 15 import android.view.View; 16 import android.view.View.OnClickListener; 17 import android.view.ViewGroup.LayoutParams; 18 import android.widget.ImageView; 19 import android.widget.LinearLayout; 20  21 public class Activity01 extends Activity implements OnPageChangeListener,OnClickListener{ 22     private ViewPager viewPager; 23     private List
     
       views;//用来存放放进ViewPager里面的ImageView 24     private int[] imageID;// 25     private ImagePagerAdapter adapter;//适配器 26     private LinearLayout linearLayout; 27     private int currentPoint;//当前被选中中页面的下标 28     @Override 29     protected void onCreate(Bundle savedInstanceState) { 30         // TODO Auto-generated method stub 31         super.onCreate(savedInstanceState); 32         setContentView(R.layout.activity01); 33         initData(); 34         initView(); 35          36     } 37     //初始化view 38     void initView(){ 39         adapter=new ImagePagerAdapter(views); 40         viewPager=(ViewPager) findViewById(R.id.viewPager); 41         viewPager.setAdapter(adapter); 42         linearLayout=(LinearLayout) findViewById(R.id.linearLayout); 43         initPoint(); 44         viewPager.setOnPageChangeListener(this); 45     } 46      47     //初始化数据 48     void initData(){ 49         //将图片的id全部放到imageID集合中 50         imageID=new int[]{R.drawable.guide1,R.drawable.guide2,R.drawable.guide3,R.drawable.guide4}; 51         views=new ArrayList
      
       (); 52         //给iamgeView设置LayoutParams参数 53         LayoutParams layoutParams=new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 54         for(int i:imageID){ 55             //不确定1 56             ImageView imageView=new ImageView(this); 57             imageView.setImageResource(i); 58             imageView.setLayoutParams(layoutParams); 59             views.add(imageView); 60         } 61          62          63     } 64      65     /* 66      * 初始化页面下方的点 67      */ 68     private void initPoint(){ 69         ImageView[] imageView=new ImageView[imageID.length];  70         for(int i=0;i
      
     

 

fry.ImagePagerAdapter

1 package fry; 2  3 import java.util.ArrayList; 4 import java.util.List; 5  6 import android.support.v4.view.PagerAdapter; 7 import android.support.v4.view.ViewPager; 8 import android.view.View; 9 import android.view.ViewGroup;10 11 public class ImagePagerAdapter extends PagerAdapter{12 13     private List
     
       views;14     15     16     17     public ImagePagerAdapter(List
      
        views) {18         this.views=views;19     }20 21     @Override22     public int getCount() {23         // TODO Auto-generated method stub24         return this.views.size();25     }26     /**27      * position是在viewPager中显示图片的位置28      * 我对应的图片放到对应的位置就好了29      * instantiateItem和destroyItem是对应的30      * 一个是创建item，一个是销毁item31      */32     @Override33     public Object instantiateItem(ViewGroup container, int position) {34         ((ViewPager)container).addView(views.get(position));35         return views.get(position);36     }37 38     @Override39     public boolean isViewFromObject(View arg0, Object arg1) {40         // TODO Auto-generated method stub41         return arg0==arg1;42     }43 44     @Override45     public void destroyItem(ViewGroup container, int position, Object object) {46         ((ViewPager)container).removeView(views.get(position));47     }48 49 }
      
     

/viewPager/res/layout/activity01.xml

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       6  7     
      
       12         13     
      14     15     
      
       22         
       29         
       36         
       43         
       50         51     
      52 53 
     

 

 

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