public void setToScreen(int whichScreen) {
whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1));
mCurScreen = whichScreen;
scrollTo(whichScreen * getWidth(), 0);
if (mOnViewChangeListener != null) {
mOnViewChangeListener.OnViewChange(mCurScreen);
}
}
public void scrollToScreen(int whichScreen) {
// get the valid layout page
whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1));
if (getScrollX() != (whichScreen * getWidth())) {
final int delta = whichScreen * getWidth() - getScrollX();
mScroller.startScroll(getScrollX(), 0, delta, 0, Math.abs(delta) * 1); // 持续滚动时间 以毫秒为单位
mCurScreen = whichScreen;
invalidate(); // Redraw the layout
if (mOnViewChangeListener != null) {
mOnViewChangeListener.OnViewChange(mCurScreen);
}
}
}
// 滑动到屏幕
public void snapToScreen(int whichScreen) {
// 获得有效的页面
whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1));
if (getScrollX() != (whichScreen * getWidth())) {
final int delta = whichScreen * getWidth() - getScrollX();
mScroller.startScroll(getScrollX(), 0, delta, 0, Math.abs(delta) * 2);
mCurScreen = whichScreen;
invalidate(); // 重绘布局
if (mOnViewChangeListener != null) {
mOnViewChangeListener.OnViewChange(mCurScreen);
}
}
}
