重新计算ViewPager高度

public class MyViewPager extends ViewPager{    public MyViewPager(Context context) {        super(context);    }    public MyViewPager(Context context, AttributeSet attrs) {        super(context, attrs);    }    @Override    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {        int height = 0;        for (int i = 0; i < getChildCount(); i++) {            View child = getChildAt(i);            child.measure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));            int h = child.getMeasuredHeight();            if (h > height)height = h;        }        heightMeasureSpec = MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY);        super.onMeasure(widthMeasureSpec, heightMeasureSpec);    }}