DrawerLayout.DrawerListener

Added in 1.0.0

Kotlin |Java

interface DrawerLayout.DrawerListener

Known direct subclasses

`ActionBarDrawerToggle`	This class provides a handy way to tie together the functionality of `DrawerLayout` and the framework `ActionBar` to implement the recommended design for navigation drawers.
`DrawerLayout.SimpleDrawerListener`	Stub/no-op implementations of all methods of `DrawerListener`.

Listener for monitoring events about drawers.

Summary

Public functions
`Unit`	`onDrawerClosed(drawerView: View)` Called when a drawer has settled in a completely closed state.
`Unit`	`onDrawerOpened(drawerView: View)` Called when a drawer has settled in a completely open state.
`Unit`	`onDrawerSlide(drawerView: View, slideOffset: Float)` Called when a drawer's position changes.
`Unit`	`onDrawerStateChanged(newState: Int)` Called when the drawer motion state changes.

Added in 1.0.0

fun onDrawerClosed(drawerView: View): Unit

Called when a drawer has settled in a completely closed state.

Parameters
`drawerView: View`	Drawer view that is now closed

Added in 1.0.0

fun onDrawerOpened(drawerView: View): Unit

Called when a drawer has settled in a completely open state. The drawer is interactive at this point.

Parameters
`drawerView: View`	Drawer view that is now open

Added in 1.0.0

fun onDrawerSlide(drawerView: View, slideOffset: Float): Unit

Called when a drawer's position changes.

Parameters
`drawerView: View`	The child view that was moved
`slideOffset: Float`	The new offset of this drawer within its range, from 0-1

Added in 1.0.0

fun onDrawerStateChanged(newState: Int): Unit

Called when the drawer motion state changes. The new state will be one of STATE_IDLE, STATE_DRAGGING or STATE_SETTLING.

Parameters
`newState: Int`	The new drawer motion state