Android implements ViewPager infinite loop effect (II)

package ;

import ;
import .;
import ;
import ;
import ;

import ;
import .LoopViewPagerAdapter2;
import ;

import ;
import ;

/**
 * Created by XiaoMai on 2016/10/9 17:44.
 * 
 */
public class LoopViewPagerDemo2Activity extends BaseActivity {

  /**
    * Time to update the picture
    */
  private static final int UPDATE_TIME = 3 * 1000;

  private ViewPager mViewPager;

  private LoopViewPagerAdapter2 mAdapter;

  /**
    * Instruction Point
    */
  private LinearLayout mLinearLayoutPonits;

  /**
    * Image resource collection
    */
  private int[] mImageIds;

  /**
    * Picture collection
    */
  private List<ImageView> mImageList;

  /**
    * The index of the current ad
    */
  private int mCurrentPageIndex;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    (savedInstanceState);

  }

  @Override
  protected void initVariables() {
    ();
    /**
      * Initialize the resource id of the image
      */
    mImageIds = new int[]{
        .ic_launcher,
        .ic_launcher,
        .ic_launcher,
        .ic_launcher,
        .my_toast,
        .my_toast,
        .my_toast,
        .my_toast};
    /**
      * Add ImageView
      */
    mImageList = new ArrayList<>();
    //Add two additional pictures     layoutParams =
        new (
            .MATCH_PARENT,
            .WRAP_CONTENT);
    for (int i = 0; i < ; i++) {
      ImageView imageView = new ImageView(mContext);
      (layoutParams);
      (imageView);
    }
  }

  @Override
  protected void initViews() {
    mLinearLayoutPonits = (LinearLayout) findViewById(.activity_ll_container);
    mViewPager = (ViewPager) findViewById(.activity_loop_viewpager);
    mAdapter = new LoopViewPagerAdapter2(mImageList, mImageIds);
    (mAdapter);
    int middle = () / 2;
    (middle - middle % ());
  }

  @Override
  protected int getContentLayout() {
    return .act_loopviewpager;
  }
}

package ;

import .;
import ;
import ;
import ;

import ;

/**
 * Created by XiaoMai on 2016/10/9 17:53.
 */
public class LoopViewPagerAdapter2 extends PagerAdapter {

  private List<ImageView> mImageList;

  private int[] mImageIds;

  public LoopViewPagerAdapter2(List<ImageView> mImageList, int[] mImageIds) {
     = mImageList;
     = mImageIds;
  }

  @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) {
    ImageView imageView = (position % ());
    (mImageIds[position % ]);
    (imageView);
    return (position % ());
  }

  @Override
  public void destroyItem(ViewGroup container, int position, Object object) {
    ((position % ()));
  }
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:andro
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:orientation="vertical">

  <include
    android:
    layout="@layout/my_app_bar" />

  <.
    android:
    android:layout_width="match_parent"
    android:layout_height="200dp"
    android:layout_below="@id/titleBar" />

  <LinearLayout
    android:
    android:layout_width="match_parent"
    android:orientation="horizontal"
    android:gravity="center"
    android:background="@color/toast"
    android:layout_alignBottom="@id/activity_loop_viewpager"
    android:visibility="gone"
    android:layout_height="40dp"/>
</RelativeLayout>