isAlreadyRegisteredMimeType

/**
 * Check if contact is already registered with mimetype
 *
 * @param resolver content resolver
 * @param id user id
 * @return boolean
 */
 
private fun isAlreadyRegisteredMimeType(resolver: ContentResolver, id: String, mimeType: String): Boolean {

    var isRegistered = false

    val projection = arrayOf(ContactsContract.Data.CONTACT_ID)

    val selection = ContactsContract.Data.MIMETYPE + " =? and " + RawContacts.ACCOUNT_TYPE +  "=? and " + RawContacts.CONTACT_ID + "=?"
    val selectionArgs = arrayOf(
            mimeType,
            Constants.ACCOUNT_TYPE,
            id)

    val c = resolver.query(
            ContactsContract.Data.CONTENT_URI,
            projection,
            selection,
            selectionArgs,
            null)

    if (c != null && c?.count > 0) {
        isRegistered = true
    }

    c!!.close()

    return isRegistered

}