private final void smoothScrollTo(
int newScrollValue,
long duration,
long delayMillis,
OnSmoothScrollFinishedListener listener) {
if (null != mCurrentSmoothScrollRunnable) {
mCurrentSmoothScrollRunnable.stop();
}
final int oldScrollValue;
switch (getPullToRefreshScrollDirection()) {
case HORIZONTAL:
oldScrollValue = getScrollX();
break;
case VERTICAL:
default:
oldScrollValue = getScrollY();
break;
}
if (oldScrollValue != newScrollValue) {
if (null == mScrollAnimationInterpolator) {
// Default interpolator is a Decelerate Interpolator
mScrollAnimationInterpolator = new DecelerateInterpolator();
}
mCurrentSmoothScrollRunnable =
new SmoothScrollRunnable(oldScrollValue, newScrollValue, duration, listener);
if (delayMillis > 0) {
postDelayed(mCurrentSmoothScrollRunnable, delayMillis);
} else {
post(mCurrentSmoothScrollRunnable);
}
}
}
/**
* 平滑滚动
*
* @param newScrollValue 滚动的值
* @param duration 滚动时候
* @param delayMillis 延迟时间，0代表不延迟
*/
private void smoothScrollTo(int newScrollValue, long duration, long delayMillis) {
if (null != mSmoothScrollRunnable) {
System.out.println("!!!!!!!!!!!!!");
mSmoothScrollRunnable.stop();
}
int oldScrollValue = this.getScrollYValue();
boolean post = (oldScrollValue != newScrollValue);
if (post) {
System.out.println(
"oldScrollValue=="
+ oldScrollValue
+ "||newScrollValue=="
+ newScrollValue
+ "||duration=="
+ duration);
mSmoothScrollRunnable = new SmoothScrollRunnable(oldScrollValue, newScrollValue, duration);
}
if (post) {
if (delayMillis > 0) {
postDelayed(mSmoothScrollRunnable, delayMillis);
} else {
post(mSmoothScrollRunnable);
}
}
}
protected final void smoothScrollTo(int y) {
if (null != mCurrentSmoothScrollRunnable) {
mCurrentSmoothScrollRunnable.stop();
}
if (getScrollY() != y) {
mCurrentSmoothScrollRunnable = new SmoothScrollRunnable(getScrollY(), y);
post(mCurrentSmoothScrollRunnable);
}
}
/**
* Smooth Scroll to Y position using the specific duration
*
* @param y - Y position to scroll to
* @param duration - Duration of animation in milliseconds
*/
protected final void smoothScrollTo(int y, long duration) {
if (null != mCurrentSmoothScrollRunnable) {
mCurrentSmoothScrollRunnable.stop();
}
if (getScrollY() != y) {
if (null == mScrollAnimationInterpolator) {
// Default interpolator is a Decelerate Interpolator
mScrollAnimationInterpolator = new DecelerateInterpolator();
}
mCurrentSmoothScrollRunnable = new SmoothScrollRunnable(getScrollY(), y, duration);
post(mCurrentSmoothScrollRunnable);
}
}
/**
* 平滑滚动
*
* @param newScrollValue 滚动的值
* @param duration 滚动时候
* @param delayMillis 延迟时间，0代表不延迟
*/
private void smoothScrollTo(int newScrollValue, long duration, long delayMillis) {
if (null != mSmoothScrollRunnable) {
mSmoothScrollRunnable.stop();
}
int oldScrollValue = this.getScrollYValue();
boolean post = (oldScrollValue != newScrollValue);
if (post) {
mSmoothScrollRunnable = new SmoothScrollRunnable(oldScrollValue, newScrollValue, duration);
}
if (post) {
if (delayMillis > 0) {
postDelayed(mSmoothScrollRunnable, delayMillis);
} else {
post(mSmoothScrollRunnable);
}
}
}