自动轮播条（基于android-auto-scroll-view-pager-master）

package com.example.testautoscrollviewpager; import android.app.Activity; import android.os.Bundle; import android.support.v4.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.util.Log; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import java.util.ArrayList; import java.util.List; import cn.trinea.android.view.autoscrollviewpager.AutoScrollViewPager; public class MainActivity extends Activity { private AutoScrollViewPager auto_view_pager; private List<ImageView> images; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); auto_view_pager = (AutoScrollViewPager) findViewById(R.id.auto_view_pager); //添加图片的集合 images = new ArrayList<>(); ImageView imageView = new ImageView(this); imageView.setScaleType(ImageView.ScaleType.FIT_XY); imageView.setImageResource(R.drawable.pic11); images.add(imageView); imageView = new ImageView(this); imageView.setScaleType(ImageView.ScaleType.FIT_XY); imageView.setImageResource(R.drawable.pic22); images.add(imageView); imageView = new ImageView(this); imageView.setScaleType(ImageView.ScaleType.FIT_XY); imageView.setImageResource(R.drawable.pic33); images.add(imageView); imageView = new ImageView(this); imageView.setScaleType(ImageView.ScaleType.FIT_XY); imageView.setImageResource(R.drawable.pic44); images.add(imageView); auto_view_pager.setAdapter(new MyAdapter()); //设置延时时间 auto_view_pager.setInterval(2000); //设置轮播的方向 AutoScrollViewPager.RIGHT/AutoScrollViewPager.LEFT auto_view_pager.setDirection(AutoScrollViewPager.RIGHT); //设置是否自动循环轮播，默认为true //注意：一旦设为true，则不能和ViewPagerIndicator一起使用 auto_view_pager.setCycle(true); //设置切换动画的时长 auto_view_pager.setScrollDurationFactor(10); //设置当滑动到最后一个或者第一个时，如何切换下一张 /** * SLIDE_BORDER_MODE_NONE：不能再滑动 * SLIDE_BORDER_MODE_TO_PARENT：移动父视图的Pager * SLIDE_BORDER_MODE_CYCLE：循环 * 默认为SLIDE_BORDER_MODE_NONE */ auto_view_pager.setSlideBorderMode(AutoScrollViewPager.SLIDE_BORDER_MODE_CYCLE); //当滑动到最后一张或第一张时是否开启动画，默认为true auto_view_pager.setBorderAnimation(true); //当触摸的时候，停止轮播 auto_view_pager.setStopScrollWhenTouch(true); auto_view_pager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() { @Override public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { } @Override public void onPageSelected(int position) { Log.e("TAG", "position" + position); } @Override public void onPageScrollStateChanged(int state) { } }); //解决最后一个跳转到第一个闪动问题 auto_view_pager.setCurrentItem((Integer.MAX_VALUE / 2 - Integer.MAX_VALUE / 2 % images.size())); } @Override protected void onResume() { super.onResume(); //开启自动轮播，延时时间为getInterval() auto_view_pager.startAutoScroll(); //开启自动轮播，并设置延时 // auto_view_pager.startAutoScroll(delayTime); } @Override protected void onPause() { super.onPause(); //停止轮播 auto_view_pager.stopAutoScroll(); } class MyAdapter extends PagerAdapter { @Override public int getCount() { return Integer.MAX_VALUE; } @Override public boolean isViewFromObject(View view, Object object) { return view == object; } @Override public Object instantiateItem(ViewGroup container, int position) { container.addView(images.get(position % images.size())); return images.get(position % images.size()); } @Override public void destroyItem(ViewGroup container, int position, Object object) { container.removeView((View) object); } } }