Open E-mail intent Android

Email.kt

    fun tryVerifyMail() {
        try {
            val intents: List<Intent> = (packageManager.queryIntentActivities(Intent(
                Intent.ACTION_SENDTO, Uri.fromParts(
                    "mailto", "[email protected]", null
                )
            ), 0) + packageManager.queryIntentActivities(Intent(Intent.ACTION_VIEW).also {
                it.type = "message/rfc822"
            }, 0)).mapNotNull {
                it.activityInfo.packageName
            }.toSet().mapNotNull {
                packageManager.getLaunchIntentForPackage(it)
            }

            if(intents.size > 0) {
                startActivityForResult(Intent.createChooser(intents.first(), getString(R.string.verify_mail)).also {
                    if(intents.size > 1) {
                        it.putExtra(Intent.EXTRA_INITIAL_INTENTS, intents.subList(1, intents.size - 1).toTypedArray())
                    }
                }, OPEN_MAIL_REQUEST_CODE)
            } else {
                Toast.makeText(this, "Verify your e-mail by clicking the link in your e-mail inbox.", Toast.LENGTH_LONG).show()
            }


        } catch (e: ActivityNotFoundException) {
            // Show error message
            e.printStackTrace()
        }
    }