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修改滚动触发和暂停位置, 只有当view要现实在窗口时才滚动,当view从窗口渲染中取消时暂停滚动 #28

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修改滚动触发和暂停位置, 只有当view要现实在窗口时才滚动,当view从窗口渲染中取消时暂停滚动 #28

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eb607a6
修改滚动触发和暂停位置, 只有当view要现实在窗口时才滚动,当view从窗口渲染中取消时暂停滚动
Apr 19, 2016
ecab323
DetachedFromWindow时,滚动状态BUG修复
Apr 22, 2016
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36 changes: 32 additions & 4 deletions src/cn/trinea/android/view/autoscrollviewpager/AutoScrollViewPager.java
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,9 @@ public class AutoScrollViewPager extends ViewPager {
/** scroll factor for swipe scroll animation, default is 1.0 **/
private double swipeScrollFactor = 1.0;

/** first scroll delay time */
private long delayTimeInMills;

private Handler handler;
private boolean isAutoScroll = false;
private boolean isStopByTouch = false;
Expand Down Expand Up @@ -91,7 +94,7 @@ private void init() {
*/
public void startAutoScroll() {
isAutoScroll = true;
sendScrollMessage((long)(interval + scroller.getDuration() / autoScrollFactor * swipeScrollFactor));
this.delayTimeInMills = (long)(interval + scroller.getDuration() / autoScrollFactor * swipeScrollFactor);
}

/**
Expand All @@ -101,15 +104,40 @@ public void startAutoScroll() {
*/
public void startAutoScroll(int delayTimeInMills) {
isAutoScroll = true;
sendScrollMessage(delayTimeInMills);
this.delayTimeInMills = delayTimeInMills;
}

/**
* start scroll when view attached
*/
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
if(isAutoScroll){
sendScrollMessage(delayTimeInMills);
}
}

/**
* stop scroll when view detached
*/
@Override
protected void onDetachedFromWindow() {
if(isAutoScroll){
handler.removeMessages(SCROLL_WHAT);
}
super.onDetachedFromWindow();
}


/**
* stop auto scroll
*/
public void stopAutoScroll() {
isAutoScroll = false;
handler.removeMessages(SCROLL_WHAT);
if(isAutoScroll){
isAutoScroll = false;
handler.removeMessages(SCROLL_WHAT);
}
}

/**
Expand Down