A ViewPager support height is WRAP_CONTENT

WrapContentViewPager.java

/**
 * A ViewPager support height is {@code WRAP_CONTENT}.
 */
public class WrapContentViewPager extends ViewPager {

    public WrapContentViewPager(Context context) {
        super(context, null);
    }

    public WrapContentViewPager(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);

        int mode = MeasureSpec.getMode(heightMeasureSpec);
        int size = MeasureSpec.getSize(heightMeasureSpec);
        if (mode == MeasureSpec.UNSPECIFIED || mode == MeasureSpec.AT_MOST) {
            int maxChildHeight = 0;
            for (int i = 0; i < getChildCount(); i++) {
                View child = getChildAt(i);
                child.measure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
                int childHeight = child.getMeasuredHeight();
                if (childHeight > maxChildHeight) {
                    maxChildHeight = childHeight;
                }
            }

            // The target height must equal or smaller than the height which from parent given.
            // Otherwise, viewpager will can't scroll to end.
            int targetHeight = Math.min(size, maxChildHeight);
            setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec), targetHeight);
        }
    }
}