Android : Get view Reference to a Menu Item

Question

I plan to use quick actions UI pattern in my application. Android Quick Actions UI Pattern . The quick action window needs a pivot view to stick to.

    qui         


        

Answer 1

Universal code which also works on Android 10

/**
* pass toolbar and menu item id, i.e. R.id.menu_refresh
*/
@Nullable
@Throws(
    IllegalAccessException::class,
    NoSuchFieldException::class
)
fun getMenuItemView(toolbar: Toolbar?, @IdRes menuItemId: Int): View? {
    val mMenuView: Field = Toolbar::class.java.getDeclaredField("mMenuView")
    mMenuView.setAccessible(true)
    val menuView: Any? = mMenuView.get(toolbar)
    (menuView as ViewGroup).children.forEach {
        if(it.id == menuItemId) {
            return it
        }
    }
    return null
}