Sendbird uikit channel message list rendering delay

Sendbird Chat UIKit
, ,
1

[Problem/Question]
I am using uikit android. I am populating channel fragment in my activity. When i open this, it cause delay in rendering messages only. Channel header and input pannel is visible but there is 2 second delay in rendering my message list.

// If problem, please fill out the below. If question, please delete.
[UIKit Version]
3.17.0

[Reproduction Steps]
@AndroidEntryPoint
class CustomChannelActivity : AppCompatActivity() {
private var channelUrl: String = EMPTY_STRING

@Inject
lateinit var internalLinkManager: Lazy<InternalLinkManager>

private lateinit var channelViewModel: CustomChannelViewModel

private val viewModel: SendbirdUiKitViewModel by viewModels()

private lateinit var customMessageListAdapter: CustomMessageListAdapter

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_sendbird_uikit_chat)
    viewModel.loadChannel()
    // To set customChannelViewmodel and its provider
    ViewModelProviders.channel = ChannelViewModelProvider { owner, channelUrl, _, _ ->
        channelViewModel = ViewModelProvider(
            owner,
            CustomChannelViewModelFactory(channelUrl,viewModel)
        )[channelUrl, CustomChannelViewModel::class.java]
        channelViewModel
    }
    channelUrl = intent.getStringExtra(CHANNEL_URL) ?: EMPTY_STRING

    // To set custom message view for other user
    SendbirdUIKit.setCustomParamsHandler(object : CustomParamsHandler {
        override fun onBeforeSendUserMessage(params: UserMessageCreateParams) {
            params.customType = CUSTOM_VIEW_TYPE_USER_MESSAGE_OTHER.toString()
        }
    })

    // To set Custom message list adapter
    AdapterProviders.messageList = MessageListAdapterProvider { channel, uiParams ->
        customMessageListAdapter = CustomMessageListAdapter(channelViewModel.hasNext(), channel, uiParams) { deeplink ->
            internalLinkManager.get().getIntentByUrl(deeplink)?.let {
                if (deeplink.contains(PAYMENT)) {
                    it.putExtra(INSTANT_PARAM, true)
                }
                startActivity(it)
            }
        }
        customMessageListAdapter
    }

    // To set custom channel header
    setCustomChannelHeaderInputFooter(this ,viewModel.isTyping) {
        hideSoftKeyboard()
        onBackPressedDispatcher.onBackPressed()
    }
    handleIntent(intent)
    setObserver()
}

private fun setObserver() {
    viewModel.notifyMessageSend.observe(this) { value ->
        if (value) {
            customMessageListAdapter.refreshView()
        }
    }
}

override fun onNewIntent(intent: Intent?) {
    super.onNewIntent(intent)
    intent?.let {
        viewModel.resetData()
        handleIntent(it)
    }
}

private fun handleIntent(intent: Intent) {
    val states = arrayOf(
        intArrayOf(-android.R.attr.state_enabled),
        intArrayOf()
    )
    val colors = intArrayOf(
        ContextCompat.getColor(this, R.color.cool_grey),
        ContextCompat.getColor(this, R.color.azure_2)
    )
    channelUrl = intent.getStringExtra(CHANNEL_URL) ?: EMPTY_STRING
    val channelFragment = ChannelFragment.Builder(channelUrl)
        .setUseInputLeftButton(false)
        .setInputRightButtonIcon(R.drawable.icon_send, ColorStateList(states, colors))
        .build()
    supportFragmentManager.beginTransaction()
        .add(R.id.fragment_container, channelFragment)
        .commit()
}

override fun onDestroy() {
    super.onDestroy()
    SendbirdUIKit.disconnect {
        AdapterProviders.resetToDefault()
        FragmentProviders.resetToDefault()
        ModuleProviders.resetToDefault()
        ViewModelProviders.resetToDefault()
    }
}

}

[Frequency]
every time i open channel