android.support.v4.view.ViewPager.OnPageChangeListener |
Known Indirect Subclasses |
Callback interface for responding to changing state of the selected page.
Public Methods | |||||||||||
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Called when the scroll state changes.
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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.
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This method will be invoked when a new page becomes selected.
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Called when the scroll state changes. Useful for discovering when the user begins dragging, when the pager is automatically settling to the current page, or when it is fully stopped/idle.
state | The new scroll state. |
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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.
position | Position index of the first page currently being displayed. Page position+1 will be visible if positionOffset is nonzero. |
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positionOffset | Value from [0, 1) indicating the offset from the page at position. |
positionOffsetPixels | Value in pixels indicating the offset from position. |
This method will be invoked when a new page becomes selected. Animation is not necessarily complete.
position | Position index of the new selected page. |
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