android-auto-scroll-view-pager (无限广告轮播图)

github 地址： https://github.com/Trinea/android-auto-scroll-view-pager

Gradle:

compile ('cn.trinea.android.view.autoscrollviewpager:android-auto-scroll-view-pager:1.1.2') {

    exclude module: 'support-v4'

}

-keep class cn.trinea.android.** { *; }

-keepclassmembers class cn.trinea.android.** { *; }

-dontwarn cn.trinea.android.**

布局文件

         <cn.trinea.android.view.autoscrollviewpager.AutoScrollViewPager

                 android:id="@+id/auto_view_pager"

                 android:layout_width="match_parent"

                 android:layout_height="320dp" />

             <LinearLayout

                 android:id="@+id/point_group"

                 android:layout_width="match_parent"

                 android:layout_height="wrap_content"

                 android:layout_gravity="center_horizontal"

                 android:gravity="center"

                 android:layout_alignParentBottom="true"

                 android:orientation="horizontal"

                 android:paddingBottom="5dp"

                 >

代码设置：

        if(imageList.size()==1){

         auto_view_pager.stopAutoScroll();

        }

        auto_view_pager.setAdapter(new MyAdapter(imageList));

//

        //设置延时时间

        auto_view_pager.setInterval(5000);

        //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(5);

        //设置当滑动到最后一个或者第一个时，如何切换下一张

        //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);

//

//        //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 % imageList.size()));

        auto_view_pager.setCurrentItem(imageList.size()*10);

        final LinearLayout point_group = (LinearLayout)

                 findViewById(R.id.point_group);

        point_group.removeAllViews();

        for (int i = 0; i < imageList.size(); i++) {

            // 添加指示点

            ImageView point = new ImageView(DetailActivity.this);

            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(

                    ViewGroup.LayoutParams.WRAP_CONTENT,

                    ViewGroup.LayoutParams.WRAP_CONTENT);

            params.rightMargin = 10;

            point.setLayoutParams(params);

            point.setBackgroundResource(R.drawable.point_bg);

            if (i == 0) {

                point.setEnabled(true);

            } else {

                point.setEnabled(false);

            }

            point_group.addView(point);

        }

//

         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);

                    // 改变指示点的状态

                    // 把当前点enbale 为true

                    try {

                        point_group.getChildAt(position % imageList.size()).setEnabled(true);

                        // 把上一个点设为false

                        point_group.getChildAt(lastPosition).setEnabled(false);

                        lastPosition = position % imageList.size();

                    } catch (Exception e) {

                    }

                }

                @Override

                public void onPageScrollStateChanged(int state) {

                }

            });

adapter

    class MyAdapter extends PagerAdapter {

         List<String> mSimpleDraweeViewList;

        public MyAdapter(List<String> mSimpleDraweeViewList) {

            this.mSimpleDraweeViewList=mSimpleDraweeViewList;

        }

        @Override

        public int getCount() {

            return Integer.MAX_VALUE;

        }

        @Override

        public boolean isViewFromObject(View view, Object object) {

            return view == object;

        }

        @Override

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

            container.removeView((View) object);

        }

        @Override

        public Object instantiateItem(ViewGroup container, int position) {

            Uri uri = Uri.parse(HttpBase.HOST_STRING +"/"+ mSimpleDraweeViewList.get(position % mSimpleDraweeViewList.size()));

//            SimpleDraweeView draweeView = new SimpleDraweeView(DetailActivity.this);

            SimpleDraweeView draweeView = (SimpleDraweeView)View.inflate(DetailActivity.this,R.layout.layout_image,null).findViewById(R.id.image1);

            draweeView.setScaleType( ImageView.ScaleType.FIT_XY);

            ViewGroup.LayoutParams imagebtn_params = new ViewGroup.LayoutParams(

                    AutoUtils.getDisplayWidthValue(720), AutoUtils.getDisplayHeightValue(640));

            draweeView.setLayoutParams(imagebtn_params);

            draweeView.setImageURI(uri);

//            ImageView im= new ImageView(DetailActivity.this);

//            Picasso.with(DetailActivity.this).load(HttpBase.HOST_STRING +"/"+ mSimpleDraweeViewList.get(position % mSimpleDraweeViewList.size())).into(im);

            ViewParent parent = draweeView.getParent();

            // remove掉View之前已经加到一个父控件中，否则报异常

            if (parent != null) {

                ViewGroup group = (ViewGroup) parent;

                group.removeView(draweeView);

            }

            container.addView(draweeView);

            return draweeView;

//            container.addView(images.get(position % images.size()));

//            return images.get(position % images.size());

//            container.addView(draweeView);

//          return draweeView;

        }

    }

    @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();

    }

point_bg.xml

<?xml version="1.0" encoding="utf-8"?>

<selector xmlns:android="http://schemas.android.com/apk/res/android" >

    <item android:drawable="@drawable/point_nomal"  android:state_enabled="true"/>

    <item android:drawable="@drawable/point_focured"  android:state_enabled="false"/>

</selector>

point_focured.xml

<?xml version="1.0" encoding="utf-8"?>

<shape xmlns:android="http://schemas.android.com/apk/res/android"

    android:shape="oval" >

    <size  android:width="5dp" android:height="5dp"/>

    <solid android:color="#33000000"/>

</shape>

point_nomal.xml

<?xml version="1.0" encoding="utf-8"?>

<shape xmlns:android="http://schemas.android.com/apk/res/android"

    android:shape="oval" >

    <size  android:width="5dp" android:height="5dp"/>

    <solid android:color="#aaFFFFFF"/>

</shape>

巴特西

android-auto-scroll-view-pager (无限广告轮播图)

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