主要用于广告幻灯片viewpager循环滚动
try { //设置滚动切换的动画时间 Field field = ViewPager.class.getDeclaredField("mScroller"); field.setAccessible(true); FixedSpeedScroller scroller = new FixedSpeedScroller(gg_vp.getContext(), new AccelerateInterpolator()); field.set(gg_vp, scroller); scroller.setmDuration(400); } catch (Exception e) { e.printStackTrace(); }
import android.content.Context; import android.view.animation.Interpolator; import android.widget.Scroller; public class FixedSpeedScroller extends Scroller { private int mDuration = 1500; public FixedSpeedScroller(Context context) { super(context); } public FixedSpeedScroller(Context context, Interpolator interpolator) { super(context, interpolator); } @Override public void startScroll(int startX, int startY, int dx, int dy, int duration) { // Ignore received duration, use fixed one instead super.startScroll(startX, startY, dx, dy, mDuration); } @Override public void startScroll(int startX, int startY, int dx, int dy) { // Ignore received duration, use fixed one instead super.startScroll(startX, startY, dx, dy, mDuration); } public int getmDuration() { return mDuration; } public void setmDuration(int time) { mDuration = time; } }