ViewPager滑动特效实现

ewPager最常用于结合Fragment,这是一个方便的方式来供应和管理每个页面的生命周期。

MainAcitivity的代码

import java.util.ArrayList; 
import java.util.List; 
import android.os.Bundle; 
import android.app.Activity; 
import android.support.v4.view.PagerAdapter; 
import android.support.v4.view.PagerTabStrip; 
import android.support.v4.view.ViewPager; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.ViewGroup; 
    
public class MainActivity extends Activity { 
    
    private View view1, view2, view3;// 需要滑动的页卡 
    private ViewPager viewPager; 
    private PagerTabStrip pagerTabStrip; 
    private List<View> viewList;// 把需要滑动的页卡添加到这个list中 
    private List<String> titleList;// viewpager的标题 
    
    @Override 
    public void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        setContentView(R.layout.activity_main); 
        // 像普通控件一样先初始化 
        viewPager = (ViewPager) findViewById(R.id.viewpager); 
        pagerTabStrip = (PagerTabStrip) findViewById(R.id.pagertab); 
        pagerTabStrip.setDrawFullUnderline(false);//设置下划线不整页显示 
        pagerTabStrip.setTextSpacing(1000);//设置标题之间的距离 
        initView(); 
        MyAdapter pagerAdapter = new MyAdapter(); 
        viewPager.setAdapter(pagerAdapter); 
    } 
    //填充布局，设置每一页的标题 
    private void initView() { 
        view1 = findViewById(R.layout.layout1); 
        view2 = findViewById(R.layout.layout2); 
        view3 = findViewById(R.layout.layout3); 
        viewList = new ArrayList<View>();// 将要分页显示的View装入数组中 
        viewList.add(view1); 
        viewList.add(view2); 
        viewList.add(view3); 
        titleList = new ArrayList<String>();// 每个页面的Title数据 
        titleList.add("第一个页面"); 
        titleList.add("第二个页面"); 
        titleList.add("第三个页面"); 
    } 
    
    public class MyAdapter extends PagerAdapter { 
        @Override 
        public boolean isViewFromObject(View arg0, Object arg1) { 
    
            return arg0 == arg1; 
        } 
    
        @Override 
        public int getCount() { 
    
            return viewList.size(); 
        } 
    
        @Override 
        public void destroyItem(ViewGroup container, int position, Object object) { 
            container.removeView(viewList.get(position)); 
    
        } 
    
        @Override 
        public int getItemPosition(Object object) { 
    
            return super.getItemPosition(object); 
        } 
    
        @Override 
        public CharSequence getPageTitle(int position) { 
    
            return titleList.get(position); 
    
        } 
    
        // 将每一页的布局填充如ViewGroup容器中 
        @Override 
        public Object instantiateItem(ViewGroup container, int position) { 
            container.addView(viewList.get(position)); 
    
            return viewList.get(position); 
        } 
    
    }; 
    
}

main.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:orientation="vertical" >   
      
   <android.support.v4.view.ViewPager   
        android:id="@+id/viewpager"   
        android:layout_width="wrap_content"   
        android:layout_height="wrap_content"   
        android:layout_gravity="center" >   
                    
        <android.support.v4.view.PagerTabStrip     
            android:id="@+id/pagertab"     
            android:layout_width="wrap_content"     
            android:layout_height="wrap_content"     
            android:layout_gravity="top"/>    
           
                    
                 
         
               
    </android.support.v4.view.ViewPager>   
      
</LinearLayout>