探探左滑右滑的区别 android水平滑动左滑加载更多

2020-10-10知识11

android onpagescrolled 为什么往左滑和往右滑 position显示不一样 packagecom.meityitian.app.views；import android.content.Context；import android.support.v4.view.ViewPager；import android.util.AttributeSet；import android.util.Log；importcom.meityitian.app.utils.Debug；重写，添加了判定滑动方向的方法author zxypublic class meityitianViewPager extends ViewPager {private boolean left=false；private boolean right=false；private boolean isScrolling=false；private int lastValue=-1；private ChangeViewCallback changeViewCallback=null；public meityitianViewPager(Context context，AttributeSet attrs){super(context，attrs)；init()；}public meityitianViewPager(Context context){super(context)；init()；}init method.private void init(){setOnPageChangeListener(listener)；}listener，to get move direction.public OnPageChangeListener listener=new OnPageChangeListener(){Overridepublic void onPageScrollStateChanged(int arg0){if(arg0=1){isScrolling=true；} else {isScrolling=false；}Debug.infoByTag(\"meityitianViewPager\"，meityitianViewPager onPageScrollStateChanged：。