Android自定义viewpager且高度自适应

import android.content.Context;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;

/**
 * 滑动页面工具类
 *
 * Created by XiaobingLiu on 2016/10/21.
 */
public class ViewPagerUtil extends ViewPager {

    private boolean scrollble = true;   //是否可滑动

    public ViewPagerUtil(Context context) {
        super(context);
    }

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


    @Override
    public boolean onTouchEvent(MotionEvent ev) {
        if (!scrollble) {
            return true;
        }
        return super.onTouchEvent(ev);
    }


    public boolean isScrollble() {
        return scrollble;
    }

    /**
     * 外部接口控制页面的滑动
     * @param scrollble
     */
    public void setScrollble(boolean scrollble) {
        this.scrollble = scrollble;
    }


    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec)
    {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        int childSize = getChildCount();
        int maxHeight = 0;
        for (int i = 0; i < childSize; i++)
        {
            View child = getChildAt(i);
            child.measure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
            if (child.getMeasuredHeight() > maxHeight)
            {
                maxHeight = child.getMeasuredHeight();
            }
        }

        if (maxHeight > 0)
        {
            setMeasuredDimension(getMeasuredWidth(), maxHeight);
        }

    }