setHomeAsUpIndicator
Set an alternate drawable to display next to the icon/logo/title when DISPLAY_HOME_AS_UP is enabled. This can be useful if you are using this mode to display an alternate selection for up navigation, such as a sliding drawer.
If you pass null to this method, the default drawable from the theme will be used.
If you implement alternate or intermediate behavior around Up, you should also call setHomeActionContentDescription() to provide a correct description of the action for accessibility support.
Parameters
A drawable to use for the up indicator, or null to use the theme's default
See also
Set an alternate drawable to display next to the icon/logo/title when DISPLAY_HOME_AS_UP is enabled. This can be useful if you are using this mode to display an alternate selection for up navigation, such as a sliding drawer.
If you pass 0 to this method, the default drawable from the theme will be used.
If you implement alternate or intermediate behavior around Up, you should also call setHomeActionContentDescription() to provide a correct description of the action for accessibility support.
Parameters
Resource ID of a drawable to use for the up indicator, or null to use the theme's default