ShareChooserAction.kt

val sendIntent = Intent(Intent.ACTION_SEND)
    .setType("text/plain")
    .putExtra(Intent.EXTRA_TEXT, text)
val shareIntent = Intent.createChooser(sendIntent, null)
val customActions = arrayOf(
    ChooserAction.Builder(
        Icon.createWithResource(context, R.drawable.ic_send_to_devices),
        "Send to your devices",
        PendingIntent.getBroadcast(
            context,
            1,
            sendIntent,
            PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_CANCEL_CURRENT
        )
    ).build()
)
shareIntent.putExtra(Intent.EXTRA_CHOOSER_CUSTOM_ACTIONS, customActions)
context.startActivity(shareIntent)