TabListener
interfaceTabListener
| androidx.appcompat.app.ActionBar.TabListener |
Callback interface invoked when a tab is focused, unfocused, added, or removed.
Summary
Public methods |
|
|---|---|
| abstract Unit |
onTabReselected(tab: ActionBar.Tab!, ft: FragmentTransaction!)Called when a tab that is already selected is chosen again by the user. |
| abstract Unit |
onTabSelected(tab: ActionBar.Tab!, ft: FragmentTransaction!)Called when a tab enters the selected state. |
| abstract Unit |
onTabUnselected(tab: ActionBar.Tab!, ft: FragmentTransaction!)Called when a tab exits the selected state. |
Public methods
onTabReselected
abstract fun onTabReselected(tab: ActionBar.Tab!, ft: FragmentTransaction!): Unit
Called when a tab that is already selected is chosen again by the user. Some applications may use this action to return to the top level of a category.
| Parameters | |
|---|---|
tab |
ActionBar.Tab!: The tab that was reselected. |
ft |
ActionBar.Tab!: A FragmentTransaction for queuing fragment operations to execute once this method returns. This FragmentTransaction does not support being added to the back stack. |
onTabSelected
abstract fun onTabSelected(tab: ActionBar.Tab!, ft: FragmentTransaction!): Unit
Called when a tab enters the selected state.
| Parameters | |
|---|---|
tab |
ActionBar.Tab!: The tab that was selected |
ft |
ActionBar.Tab!: A FragmentTransaction for queuing fragment operations to execute during a tab switch. The previous tab's unselect and this tab's select will be executed in a single transaction. This FragmentTransaction does not support being added to the back stack. |
onTabUnselected
abstract fun onTabUnselected(tab: ActionBar.Tab!, ft: FragmentTransaction!): Unit
Called when a tab exits the selected state.
| Parameters | |
|---|---|
tab |
ActionBar.Tab!: The tab that was unselected |
ft |
ActionBar.Tab!: A FragmentTransaction for queuing fragment operations to execute during a tab switch. This tab's unselect and the newly selected tab's select will be executed in a single transaction. This FragmentTransaction does not support being added to the back stack. |