(创建于2016/11/17)

import java.lang.reflect.Field;            import android.content.Context;      import android.support.v4.view.ViewPager;      import android.view.animation.Interpolator;      import android.widget.Scroller;            /**      * ViewPager 滚动速度设置      *       * @author lyy      *      */      public class ViewPagerScroller extends Scroller {          private int mScrollDuration = 2000; // 滑动速度                /**          * 设置速度速度          *           * @param duration          */          public void setScrollDuration(int duration) {              this.mScrollDuration = duration;          }                public ViewPagerScroller(Context context) {              super(context);          }                public ViewPagerScroller(Context context, Interpolator interpolator) {              super(context, interpolator);          }                public ViewPagerScroller(Context context, Interpolator interpolator,                  boolean flywheel) {              super(context, interpolator, flywheel);          }                @Override          public void startScroll(int startX, int startY, int dx, int dy, int duration) {              super.startScroll(startX, startY, dx, dy, mScrollDuration);          }                @Override          public void startScroll(int startX, int startY, int dx, int dy) {              super.startScroll(startX, startY, dx, dy, mScrollDuration);          }                public void initViewPagerScroll(ViewPager viewPager) {              try {                  Field mScroller = ViewPager.class.getDeclaredField("mScroller");                  mScroller.setAccessible(true);                  mScroller.set(viewPager, this);              } catch (Exception e) {                  e.printStackTrace();              }          }      }

调用

ViewPagerScroller pagerScroller = new ViewPagerScroller(getActivity());pagerScroller.setScrollDuration(1000);//设置时间，时间越长，速度越慢pagerScroller.initViewPagerScroll(mViewPager);