<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ImageView
        android:id="@+id/image_view"
        android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:scaleType="centerCrop"
        />

    <TextView
        android:id="@+id/myImageViewText"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/image_view"
        android:layout_alignTop="@+id/image_view"
        android:layout_alignRight="@+id/image_view"
        android:layout_alignBottom="@+id/image_view"
        android:layout_margin="1dp"
        android:gravity="bottom"
        android:textSize="30dp"
        android:text="Welcome to DriftFan"
        android:textStyle="bold"
        android:textAllCaps="true"
        android:textColor="@color/colorPrimary"/>
</RelativeLayout>

<android.support.v4.view.ViewPager
        android:id="@+id/view_pager"
        android:layout_width="fill_parent"
        android:layout_height="204dp"
        android:scaleType="centerCrop"
        ></android.support.v4.view.ViewPager>

public class myTimerTask extends TimerTask {

        @Override
        public void run() {

            if (getActivity()== null) {
                return;

            }
            getActivity().runOnUiThread(new Runnable() {
                @Override
                public void run() {


                        if (viewPager.getCurrentItem() == 0) {
                            viewPager.setCurrentItem(1);
                        } else if (viewPager.getCurrentItem() == 1) {
                            viewPager.setCurrentItem(2);
                        } else if (viewPager.getCurrentItem() == 2) {
                            viewPager.setCurrentItem(3);

                        }


                }


            });
        }
    }
}

public class ViewPagerAdapter extends PagerAdapter {

    private Context context;
    private LayoutInflater layoutInflater;
    private Integer[] images = {R.drawable.img1, R.drawable.img2, R.drawable.img3, R.drawable.img4};

    public ViewPagerAdapter(Context context) {
        this.context = context;
    }

    @Override
    public int getCount() {
        return images.length;
    }

    @Override
    public boolean isViewFromObject(View view, Object object) {
        return view == object;
    }

    @Override
    public Object instantiateItem(ViewGroup container, int position) {

        layoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View view = layoutInflater.inflate(R.layout.custom_layout, null);
        ImageView imageView = (ImageView) view.findViewById(R.id.image_view);
        imageView.setImageResource(images[position]);

        ViewPager vp = (ViewPager) container;
        vp.addView(view, 0);
        return view;
    }

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

        ViewPager vp = (ViewPager)container;
        View view = (View) object;
        vp.removeView(view);



    }
}