Android uses RollViewPager to implement carousel diagrams

implementation ':rollviewpager:1.2.9'

<
    android:
    android:layout_width="match_parent"
    android:layout_height="180dp"
    app:rollviewpager_play_delay="3000" />

import ;

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public class MainActivity extends AppCompatActivity {

    private RollPagerView mRollPagerView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        (savedInstanceState);
        setContentView(.activity_main);

        mRollPagerView=findViewById(.roll_view_pager);

        //Set playback time interval        (3000);

        //Set transparency        (500);

        //Set the adapter        (new TestNormalAdapter());
        
        //Set the dot indicator color        (new ColorPointHintView(this, ,));
    }

    //Custom adapter    private class TestNormalAdapter extends StaticPagerAdapter{
        //Photoes required for carousel  private int[] imgs={
                ,
                .daxuesheng2,
        };
        @Override
        public View getView(ViewGroup container, int position) {
            ImageView view=new ImageView(());
            (imgs[position]);
            (.CENTER_CROP);
            (new (.MATCH_PARENT,.MATCH_PARENT));
            return view;
        }

        @Override
        public int getCount() {
            return ;
        }
    };
}