By default, the overflow menu does not support dividers between items. To show dividers on the overflow menu, add the following code:
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override fun onCreateOptionsMenu(menu: Menu?): Boolean {
val inflater = menuInflater
inflater.inflate(R.menu.map_options, menu)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
menu?.setGroupDividerEnabled(true)
}
MenuCompat.setGroupDividerEnabled(menu, true)
return true
}
Lines 2~3 inflate the menu, while:
- 5️⃣ - If SDK version supports the divider, enable the .setGroupDividerEnabled
- 9️⃣ - Load MenuCompat to enable compatibility with lower versions of Android
The end result:
