Extension function, which helps to forget about `ActivityNotFoundException` in your Android apps.

Extentsions.kt

// It is better to use dialogs with detailed description of error, but for clarity of this gist I decided to use Toasts here
fun Context.startIntentOrShowError(intent: Intent,
                                   errorDialogDescription: String,
                                   errorDialogTitle: String = "No app found!") {
        if (intent.resolveActivity(this.packageManager) != null) {
            when (intent.resolveActivityInfo(this.packageManager, intent.flags).exported) {
                true -> startActivity(intent)
                else -> Toast.makeText(this, errorDialogTitle, Toast.LENGHT_SHORT).show()
            }
        } else {
            Toast.makeText(this, errorDialogTitle, Toast.LENGHT_SHORT).show()
        }
    }