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);        }    }
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