借助UltraViewPager搭建一个轮播图

UltraViewPager

UltraViewPager是一个封装多种特性的ViewPager，主要是为多页面切换场景提供统一解决方案。
github地址
- 横向滑动
- 纵向滑动
- 支持一屏内显示多页
- 支持循环滚动
- 支持定时滚动，计时器使用Handler实现
- setRatio按比例显示UltraviewPager
- 内置indicator，只需简单设置几个属性就可以完成展示，支持圆点和Icon；
- 内置两种页面切换动效
- 以上特性支持同时使用；

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展示一种比较独特的

<com.qw.dp.qwapplication.view.ultraviewpager.UltraViewPager        android:id="@+id/ultra_viewpager_DepthTransformer_Demo"        android:layout_width="match_parent"        android:layout_height="160dp"        android:background="@android:color/white" />private UltraViewPager ultra_viewpager_DepthTransformer_Demo;ultra_viewpager_DepthTransformer_Demo = (UltraViewPager) findViewById(R.id.ultra_viewpager_DepthTransformer_Demo);private void initDepthTransformer_Demo() {        ultra_viewpager_DepthTransformer_Demo.setScrollMode(UltraViewPager.ScrollMode.HORIZONTAL);        adapter = new UltraPagerAdapter(ViewPagerActivity.this);        ultra_viewpager_DepthTransformer_Demo.setAdapter(adapter);        ultra_viewpager_DepthTransformer_Demo.setMultiScreen(0.6f);        ultra_viewpager_DepthTransformer_Demo.setPageTransformer(false, new UltraDepthScaleTransformer());        //内置indicator初始化        ultra_viewpager_DepthTransformer_Demo.initIndicator();        //设置indicator样式        ultra_viewpager_DepthTransformer_Demo.getIndicator()                .setOrientation(UltraViewPager.Orientation.HORIZONTAL)                .setFocusColor(Color.GREEN)                .setNormalColor(Color.WHITE)                .setRadius((int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 5, getResources().getDisplayMetrics()));        //设置indicator对齐方式        ultra_viewpager_DepthTransformer_Demo.getIndicator().setGravity(Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM);        ultra_viewpager_DepthTransformer_Demo.getIndicator().setMargin(0,0,0,20);        //构造indicator,绑定到UltraViewPager        ultra_viewpager_DepthTransformer_Demo.getIndicator().build();        ultra_viewpager_DepthTransformer_Demo.setInfiniteLoop(true);        //设定页面自动切换  间隔2秒        ultra_viewpager_DepthTransformer_Demo.setAutoScroll(2000);    }public class UltraPagerAdapter extends PagerAdapter {    private Context context;    public UltraPagerAdapter(Context context) {        this.context = context;    }    @Override    public int getCount() {        return 5;    }    @Override    public boolean isViewFromObject(View view, Object object) {        return view == object;    }    @Override    public Object instantiateItem(ViewGroup container, int position) {        LinearLayout linearLayout = (LinearLayout) LayoutInflater.from(container.getContext()).inflate(R.layout.layout_child, null);        ImageView iv = (ImageView) linearLayout.findViewById(R.id.iv);        linearLayout.setId(R.id.item_id);        iv.setId(R.id.item_id);        switch (position) {            case 0://                linearLayout.setBackgroundColor(Color.parseColor("#2196F3"));//Glide.with(context).load("http://img.taodiantong.cn/v55183/infoimg/2013-07/130720115322ky.jpg").into(iv);                Glide.with(context).load(R.drawable.home_banner_1).into(iv);                break;            case 1://Glide.with(context).load("http://pic30.nipic.com/20130626/8174275_085522448172_2.jpg").into(iv);                Glide.with(context).load(R.drawable.home_banner_1).into(iv);//                linearLayout.setBackgroundColor(Color.parseColor("#673AB7"));                break;            case 2:             //Glide.with(context).load("http://pic18.nipic.com/20111215/577405_080531548148_2.jpg").into(iv);                Glide.with(context).load(R.drawable.home_banner_1).into(iv);//                linearLayout.setBackgroundColor(Color.parseColor("#009688"));                break;            case 3:                //Glide.with(context).load("http://pic15.nipic.com/20110722/2912365_092519919000_2.jpg").into(iv);                Glide.with(context).load(R.drawable.home_banner_1).into(iv);//                linearLayout.setBackgroundColor(Color.parseColor("#607D8B"));                break;            case 4:                //Glide.with(context).load("http://pic.58pic.com/58pic/12/64/27/55U58PICrdX.jpg").into(iv);                Glide.with(context).load(R.drawable.home_banner_1).into(iv);//                linearLayout.setBackgroundColor(Color.parseColor("#F44336"));                break;        }        container.addView(linearLayout);        return linearLayout;    }    @Override    public void destroyItem(ViewGroup container, int position, Object object) {        LinearLayout view = (LinearLayout) object;        container.removeView(view);    }}

练手结束，上面是demo上的一些效果展示，down下代码好好研究吧，总有一款适合你的。