setIcon
Set the resource id of the Drawable to be used in the title.
Takes precedence over values set using setIcon.
Return
This Builder object to allow for chaining of calls to set methods
Set the Drawable to be used in the title.
Note: To ensure consistent styling, the drawable should be inflated or constructed using the alert dialog's themed context obtained via getContext.
Return
this Builder object to allow for chaining of calls to set methods