Android 使用viewpager 做滚图广告

MainActivity.java

package com.eyeandroid.viewpager;import java.util.ArrayList;import java.util.List;import java.util.concurrent.atomic.AtomicInteger;import android.app.Activity;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.os.Parcelable;import android.support.v4.view.PagerAdapter;import android.support.v4.view.ViewPager;import android.support.v4.view.ViewPager.OnPageChangeListener;import android.view.MotionEvent;import android.view.View;import android.view.View.OnTouchListener;import android.view.ViewGroup;import android.view.ViewGroup.LayoutParams;import android.widget.ImageView;import android.widget.TextView;public class MainActivity extends Activity {private ImageView[] imageViews = null;private ImageView imageView = null;private ViewPager advPager = null;private AtomicInteger what = new AtomicInteger(0);private boolean isContinue = true;private String[] titles;// 图片标题private TextView tv_title;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);initViewPager();}private void initViewPager() {advPager = (ViewPager) findViewById(R.id.adv_pager);ViewGroup group = (ViewGroup) findViewById(R.id.viewGroup);List<View> advPics = new ArrayList<View>();ImageView img1 = new ImageView(this);img1.setBackgroundResource(R.drawable.a);advPics.add(img1);ImageView img2 = new ImageView(this);img2.setBackgroundResource(R.drawable.b);advPics.add(img2);ImageView img3 = new ImageView(this);img3.setBackgroundResource(R.drawable.c);advPics.add(img3);ImageView img4 = new ImageView(this);img4.setBackgroundResource(R.drawable.d);advPics.add(img4);ImageView img5 = new ImageView(this);img5.setBackgroundResource(R.drawable.e);advPics.add(img5);imageViews = new ImageView[advPics.size()];titles = new String[] { "图片1标题", "图片2标题", "图片3标题", "图片4标题","图片5标题" };tv_title = (TextView) findViewById(R.id.title);tv_title.setText(titles[0]);for (int i = 0; i < advPics.size(); i++) {imageView = new ImageView(this);imageView.setLayoutParams(new LayoutParams(20, 20));imageView.setPadding(5, 5, 5, 5);imageViews[i] = imageView;if (i == 0) {imageViews[i].setBackgroundResource(R.drawable.banner_dian_focus);} else {imageViews[i].setBackgroundResource(R.drawable.banner_dian_blur);}group.addView(imageViews[i]);}advPager.setAdapter(new AdvAdapter(advPics));advPager.setOnPageChangeListener(new GuidePageChangeListener());advPager.setOnTouchListener(new OnTouchListener() {@Overridepublic boolean onTouch(View v, MotionEvent event) {switch (event.getAction()) {case MotionEvent.ACTION_DOWN:case MotionEvent.ACTION_MOVE:isContinue = false;break;case MotionEvent.ACTION_UP:isContinue = true;break;default:isContinue = true;break;}return false;}});new Thread(new Runnable() {@Overridepublic void run() {while (true) {if (isContinue) {viewHandler.sendEmptyMessage(what.get());whatOption();}}}}).start();}private void whatOption() {what.incrementAndGet();if (what.get() > imageViews.length - 1) {what.getAndAdd(-5);}try {Thread.sleep(2500);} catch (InterruptedException e) {}}private final Handler viewHandler = new Handler() {@Overridepublic void handleMessage(Message msg) {advPager.setCurrentItem(msg.what);super.handleMessage(msg);}};private final class GuidePageChangeListener implements OnPageChangeListener {@Overridepublic void onPageScrollStateChanged(int arg0) {}@Overridepublic void onPageScrolled(int arg0, float arg1, int arg2) {}@Overridepublic void onPageSelected(int arg0) {what.getAndSet(arg0);for (int i = 0; i < imageViews.length; i++) {imageViews[arg0].setBackgroundResource(R.drawable.banner_dian_focus);if (arg0 != i) {imageViews[i].setBackgroundResource(R.drawable.banner_dian_blur);}tv_title.setText(titles[arg0]);}}}private final class AdvAdapter extends PagerAdapter {private List<View> views = null;public AdvAdapter(List<View> views) {this.views = views;}@Overridepublic void destroyItem(View arg0, int arg1, Object arg2) {((ViewPager) arg0).removeView(views.get(arg1));}@Overridepublic void finishUpdate(View arg0) {}@Overridepublic int getCount() {return views.size();}@Overridepublic Object instantiateItem(View arg0, int arg1) {((ViewPager) arg0).addView(views.get(arg1), 0);return views.get(arg1);}@Overridepublic boolean isViewFromObject(View arg0, Object arg1) {return arg0 == arg1;}@Overridepublic void restoreState(Parcelable arg0, ClassLoader arg1) {}@Overridepublic Parcelable saveState() {return null;}@Overridepublic void startUpdate(View arg0) {}}}

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" >    <FrameLayout     android:layout_width="fill_parent"android:layout_height="150dp">        <android.support.v4.view.ViewPager            android:id="@+id/adv_pager"            android:layout_width="fill_parent"            android:layout_height="160dp" >                    </android.support.v4.view.ViewPager>        <LinearLayout            android:id="@+id/viewGroup"            android:layout_gravity="bottom"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:layout_marginTop="-25px"            android:gravity="right"            android:orientation="horizontal" >        </LinearLayout>        <LinearLayout         android:layout_width="fill_parent"        android:layout_height="35dip"        android:orientation="vertical"        android:layout_gravity="bottom"        android:gravity="center"        android:background="#33000000">        <TextView             android:id="@+id/title"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="图片标题"            android:textColor="@android:color/white" />            </LinearLayout>    </FrameLayout></LinearLayout>

效果图

源码下载

http://download.csdn.net/detail/xzr1526/7170391