TabLayout.TabLayoutOnPageChangeListener

Class Overview

A ViewPager.OnPageChangeListener class which contains the necessary calls back to the provided TabLayout so that the tab position is kept in sync.

This class stores the provided TabLayout weakly, meaning that you can use addOnPageChangeListener(OnPageChangeListener) without removing the listener and not cause a leak.

Summary

Public Constructors
	TabLayout.TabLayoutOnPageChangeListener(TabLayout tabLayout)

Public Constructors

TabLayout.TabLayoutOnPageChangeListener(TabLayout tabLayout)

Public Methods
void	onPageScrollStateChanged(int state) Called when the scroll state changes.
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	onPageSelected(int position) This method will be invoked when a new page becomes selected.

Public Methods

void

onPageScrollStateChanged(int state)

Called when the scroll state changes.

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

onPageSelected(int position)

This method will be invoked when a new page becomes selected.

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Inherited Methods

From class java.lang.Object

Object	clone() Creates and returns a copy of this `Object`.
boolean	equals(Object o) Compares this instance with the specified object and indicates if they are equal.
void	finalize() Invoked when the garbage collector has detected that this instance is no longer reachable.
final Class<?>	getClass() Returns the unique instance of `Class` that represents this object's class.
int	hashCode() Returns an integer hash code for this object.
final void	notify() Causes a thread which is waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
final void	notifyAll() Causes all threads which are waiting on this object's monitor (by means of calling one of the `wait()` methods) to be woken up.
String	toString() Returns a string containing a concise, human-readable description of this object.
final void	wait() Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object.
final void	wait(long millis, int nanos) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.
final void	wait(long millis) Causes the calling thread to wait until another thread calls the `notify()` or `notifyAll()` method of this object or until the specified timeout expires.

From interface android.support.v4.view.ViewPager.OnPageChangeListener

Public Methods

public void onPageScrollStateChanged (int state)

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.

Parameters

state	The new scroll state.

public 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.

Parameters

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.

public void onPageSelected (int position)

This method will be invoked when a new page becomes selected. Animation is not necessarily complete.

Parameters

position	Position index of the new selected page.

Results

Annotations

Interfaces

Classes

Class Overview

Summary

Public Constructors

public TabLayout.TabLayoutOnPageChangeListener (TabLayout tabLayout)

Public Methods

public void onPageScrollStateChanged (int state)

Parameters

public void onPageScrolled (int position, float positionOffset, int positionOffsetPixels)

Parameters

public void onPageSelected (int position)

Parameters

java.lang.Object
↳	android.support.design.widget.TabLayout.TabLayoutOnPageChangeListener