一、自定义一个Scroll类,用于控制ViewPager滑动速度:
public class FixedSpeedScroller extends Scroller { private int mDuration = 1000; 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) { super.startScroll(startX, startY, dx, dy, mDuration); } @Override public void startScroll(int startX, int startY, int dx, int dy) { super.startScroll(startX, startY, dx, dy, mDuration); } public void setmDuration(int time) { mDuration = time; } public int getmDuration() { return mDuration; } }
二.初始化ViewPager
/** * 设置ViewPager切换速度 */ private void setViewPagerScrollSpeed() { try { Field mScroller = null; mScroller = ViewPager.class.getDeclaredField("mScroller"); mScroller.setAccessible(true); FixedSpeedScroller scroller = new FixedSpeedScroller(mViewPager.getContext()); mScroller.set(mViewPager, scroller); } catch (NoSuchFieldException e) { } catch (IllegalArgumentException e) { } catch (IllegalAccessException e) { } }