public static interface ViewPager.OnPageChangeListener
Modifier and Type | Method and Description |
---|---|
void |
onPageScrolled(int position,
float positionOffset,
int positionOffsetPixels)
This method will be invoked when the current page is scrolled, either as part
of a programmatically initiated smooth scroll or a user initiated touch scroll.
|
void |
onPageScrollStateChanged(int state)
Called when the scroll state changes.
|
void |
onPageSelected(int position)
This method will be invoked when a new page becomes selected.
|
void onPageScrolled(int position, float positionOffset, int positionOffsetPixels)
position
- Position index of the first page currently being displayed.
Page position+1 will be visible if positionOffset is nonzero.positionOffset
- Value from [0, 1) indicating the offset from the page at position.positionOffsetPixels
- Value in pixels indicating the offset from position.void onPageSelected(int position)
position
- Position index of the new selected page.void onPageScrollStateChanged(int state)
state
- The new scroll state.ViewPager.SCROLL_STATE_IDLE
,
ViewPager.SCROLL_STATE_DRAGGING
,
ViewPager.SCROLL_STATE_SETTLING