直接代码：后面附上压缩文件：

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package cn.kevin.test.matrixtest;

import android.app.Activity;

import android.os.Bundle;

import android.support.v4.view.PagerAdapter;

import android.support.v4.view.ViewPager;

import android.support.v4.view.ViewPager.OnPageChangeListener;

import android.view.Gravity;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ImageView;

import android.widget.LinearLayout;

public class MainActivity extends Activity implements OnPageChangeListener {

private ViewPager viewPager;

private int[] idArray;// 图片

private ImageView[] tips;// 点点的图片

private ImageView[] mImages;// 放图片的数组

private LinearLayout radio;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

viewPager = (ViewPager) findViewById(R.id.viewPager);

radio = (LinearLayout) findViewById(R.id.radio);

idArray = new int[] { R.drawable.a1, R.drawable.a2, R.drawable.a3,

R.drawable.a4, R.drawable.a5 };

tips = new ImageView[idArray.length];

for (int i = 0; i < tips.length; i++) {

ImageView p_w_picpath = new ImageView(MainActivity.this);

tips[i] = p_w_picpath;

if (i == 0) {

tips[i].setBackgroundResource(R.drawable.p_w_picpath_select);

} else {

tips[i].setBackgroundResource(R.drawable.p_w_picpath);

}

radio.addView(p_w_picpath);

p_w_picpath.setPadding(10, 10, 10, 10);

radio.setGravity(Gravity.CENTER);

radio.setOrientation(0);

}

mImages = new ImageView[tips.length];

for (int i = 0; i < mImages.length; i++) {

ImageView mImage = new ImageView(MainActivity.this);

mImages[i] = mImage;

mImage.setBackgroundResource(idArray[i]);

}

viewPager.setAdapter(new MyAdapter());

viewPager.setOnPageChangeListener(this);

// 设置ViewPager的默认项, 设置为长度的100倍，这样子开始就能往左滑动

// viewPager.setCurrentItem((mImages.length) * 100);

}

public class MyAdapter extends PagerAdapter {

@Override

public int getCount() {

return Integer.MAX_VALUE;

}

@Override

public boolean isViewFromObject(View arg0, Object arg1) {

return arg0 == arg1;

}

@Override

public void destroyItem(ViewGroup container, int position, Object object) {

container.removeView(mImages[position % mImages.length]);

}

@Override

public Object instantiateItem(View container, int position) {

((ViewPager) container).addView(mImages[position % mImages.length],

0);

return mImages[position % mImages.length];

}

}

@Override

public void onPageScrollStateChanged(int arg0) {

}

@Override

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

}

@Override

public void onPageSelected(int arg0) {

setImageBackGround(arg0 % mImages.length);

}

public void setImageBackGround(int selectItem) {

for (int i = 0; i < tips.length; i++) {

if (i == selectItem) {

tips[i].setBackgroundResource(R.drawable.p_w_picpath_select);

} else {

tips[i].setBackgroundResource(R.drawable.p_w_picpath);

}

}

}

}

网站栏目：ViewPager左右滑动
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