TobiAlbert

/**
 * Definition for singly-linked list.
 * function ListNode(val, next) {
 *     this.val = (val===undefined ? 0 : val)
 *     this.next = (next===undefined ? null : next)
 * }
 */
/**
 * @param {ListNode} head
 * @return {boolean}

TobiAlbert

override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        super.onActivityResult(requestCode, resultCode, data)
        when (requestCode) {
            REQUEST_SMS_CONSENT -> {
                if (resultCode == Activity.RESULT_OK) {
                    data?.let {
                        val message = it.getStringExtra(SmsRetriever.EXTRA_SMS_MESSAGE)
                        parseMessageForOtp(message)
                    }
                }

TobiAlbert

val hintRequest = HintRequest.Builder()
            .setPhoneNumberIdentifierSupported(true)
            .build()
        val credentialsClient = Credentials.getClient(this)
        val intent = credentialsClient.getHintPickerIntent(hintRequest)
        try {
            startIntentSenderForResult(
                intent.intentSender,
                CREDENTIAL_PICKER_REQUEST,
                null, 0, 0, 0

TobiAlbert

val task = SmsRetriever.getClient(this).startSmsUserConsent(null)
task.addOnCompleteListener {
    task?.exception?.let {
        // handle possible exception
        Log.e(TAG, "Task Exception: $it")
        return@addOnCompleteListener
    }

    if (task.isSuccessful) {
        val intentFilter = IntentFilter(SmsRetriever.SMS_RETRIEVED_ACTION)

TobiAlbert

class SmsBroadcastReceiver : BroadcastReceiver() {
    companion object {
        const val TAG = "SmsBroadcastReceiver"
        const val REQUEST_SMS_CONSENT = 1001
    }
    override fun onReceive(context: Context?, intent: Intent?) {
        if (SmsRetriever.SMS_RETRIEVED_ACTION == intent?.action) {
            val extras = intent.extras
            val smsRetrieverStatus = extras?.get(SmsRetriever.EXTRA_STATUS) as Status

TobiAlbert

private val telephonyManager by lazy {
  context.getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager } 

// requires Android v26
// requries CALL_PHONE permission
private fun requestAirtimeBalance(){
   when (telephonyManager.simState) {
      Telephony.SIM_STATE_READY -> dialUssdCode()
      else -> Unit
   }

TobiAlbert

class RoomActivity: AppCompatActivity() {
  
  private lateinit var mAdapter: RoomAdapter
  private val userManager: UserManager by inject() // koin user injection
  
  override fun onCreate(savedInstance: Bundle?) {
    super.onCreate(savedInstance)
    
    mAdapter = RoomAdapter(userManager.currentUser.id)
    

TobiAlbert

class RoomAdapter(val championId: String) : RecyclerView.Adapter<RoomViewHolder>() {

    private var messages = mutableListOf<Message>()

    fun addMessage(message: Message) {
        messages.add(message)
        notifyItemChanged(messages.size - 1)
    }

    override fun onCreateViewHolder(parent: ViewGroup, layoutResource: Int): RoomViewHolder =

TobiAlbert

class RoomViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {

    fun bind(message: Message, championId: String) {

        val layoutParams = itemView.message_root_view.layoutParams as LinearLayoutCompat.LayoutParams

        if (message.sender.id == championId) {
            layoutParams.gravity = Gravity.END
            itemView.message_root_view.layoutParams = layoutParams
        } else {

TobiAlbert

public class BottomNavigationViewHelper {
    public static void disableShiftMode(BottomNavigationView view) {
        BottomNavigationMenuView menuView = (BottomNavigationMenuView) view.getChildAt(0);
        try {
            Field shiftingMode = menuView.getClass().getDeclaredField("mShiftingMode");
            shiftingMode.setAccessible(true);
            shiftingMode.setBoolean(menuView, false);
            shiftingMode.setAccessible(false);
            for (int i = 0; i < menuView.getChildCount(); i++) {
                BottomNavigationItemView item = (BottomNavigationItemView) menuView.getChildAt(i);