图片无限轮播



fnoml.xml

<shape xmlns:android="http://schemas.android.com/apk/res/android" 
    android:shape="rectangle">
    <corners android:radius="9dp"/>
    <solid android:color="#88000000"/>

</shape>

noml.xml

<shape xmlns:android="http://schemas.android.com/apk/res/android" 
    android:shape="rectangle">
    <corners android:radius="9dp"/>
    <solid android:color="#FFF"/>

</shape>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.administrator.ceshi.MainActivity">

    <android.support.v4.view.ViewPager
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:id="@+id/vp"/>
    <LinearLayout
        android:layout_alignBottom="@+id/vp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginRight="20dp"
        android:layout_alignParentRight="true"
        android:gravity="center_horizontal"
        android:id="@+id/ll"
        android:orientation="horizontal"></LinearLayout>

</RelativeLayout>

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import java.util.ArrayList;
import android.os.Handler;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
public class MainActivity extends AppCompatActivity {

    private ViewPager vp;
    private int[] strimage = new int[] { R.mipmap.icon1, R.mipmap.icon2,
            R.mipmap.icon3, R.mipmap.icon4, R.mipmap.icon5 };
    private LinearLayout ll;
    private ArrayList<ImageView> listImage;
    private Handler handler = new Handler() {
        public void handleMessage(android.os.Message msg) {
            switch (msg.what) {
                case 0:
                    int currentItem = vp.getCurrentItem();
                    currentItem++;
                    vp.setCurrentItem(currentItem);
                    handler.sendEmptyMessageDelayed(0, 1000);
                    break;
                default:
                    break;
            }
        };
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        vp = (ViewPager) findViewById(R.id.vp);
        ll = (LinearLayout) findViewById(R.id.ll);
        info();
        vp.setAdapter(new PagerAdapter() {

            @Override
            public boolean isViewFromObject(View arg0, Object arg1) {
                return arg0 == arg1;
            }

            @Override
            public int getCount() {
                return Integer.MAX_VALUE;
            }

            @Override
            public Object instantiateItem(ViewGroup container, int position) {
                ImageView iv = new ImageView(MainActivity.this);
                iv.setImageResource(strimage[position % strimage.length]);
                container.addView(iv);
                return iv;
            }
            @Override
            public void destroyItem(ViewGroup container, int position,
                                    Object object) {
                container.removeView((View) object);
            }
        });
        vp.setCurrentItem(strimage.length * 5000);
        vp.setOnPageChangeListener(new OnPageChangeListener() {
            @Override
            public void onPageSelected(int arg0) {
                // TODO Auto-generated method stub
                for (int i = 0; i < listImage.size(); i++) {
                    if (i == arg0 % strimage.length) {
                        listImage.get(i).setImageResource(R.drawable.noml);
                    } else {
                        listImage.get(i).setImageResource(R.drawable.fnoml);
                    }
                }
            }
            @Override
            public void onPageScrolled(int arg0, float arg1, int arg2) {
                // TODO Auto-generated method stub
            }
            @Override
            public void onPageScrollStateChanged(int arg0) {
                // TODO Auto-generated method stub
            }
        });
        handler.sendEmptyMessageDelayed(0, 1000);
    }
    private void info() {
        listImage = new ArrayList<ImageView>();
        listImage.clear();
        for (int i = 0; i < strimage.length; i++) {
            ImageView iv = new ImageView(MainActivity.this);
            if (i == 0) {
                iv.setImageResource(R.drawable.noml);
            } else {
                iv.setImageResource(R.drawable.fnoml);
            }
            LayoutParams param = new LayoutParams(10, 10);
            param.setMargins(5, 0, 5, 5);
            listImage.add(iv);
            ll.addView(iv, param);
        }
    }
}