// 用户登录
LoginStore.shared.login(context, SDKAPPID, userID, userSig,
    object : CompletionHandler {
        override fun onSuccess() {
              // 登录成功，可跳转聊天或会话页
        }
        override fun onFailure(code: Int, desc: String) {
              // 登录失败，可弹框报错
        }
    })

@Composable
fun ConversationsPage(
    onConversationClick: (ConversationInfo) -> Unit = {},
    editContent: @Composable () -> Unit = {},
) {
    val colors = LocalTheme.current.colors
    Column(
        modifier = Modifier
            .fillMaxSize()
            .background(Colors.Transparent)
    ) {

        PageHeader(stringResource(R.string.chat_uikit_chat)) {
            editContent()
        }

        Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
            ConversationList(modifier = Modifier.navigationBarsPadding(), onConversationClick = onConversationClick)
        }
    }
}

@Composable
fun ChatPage(
    conversationID: String,
    locateMessage: MessageInfo? = null,
    onUserClick: (String) -> Unit,
    onChatHeaderClick: (String) -> Unit,
    onBackClick: () -> Unit,
) {
    ...

    val avatarUrl = conversationState.value?.avatarURL
    val displayName = conversationState.value?.title
    val colors = LocalTheme.current.colors
    Scaffold(
        modifier = Modifier
            .background(color = colors.bgColorOperate)
            .fillMaxSize()
            .wrapContentHeight(), topBar = {
            Box(
                modifier = Modifier
                    .background(color = colors.bgColorOperate)
                    .fillMaxWidth()
                    .statusBarsPadding()
            ) {
                ChatHeader(
                    avatarUrl = avatarUrl,
                    name = displayName ?: "",
                    onBackClick = onBackClick,
                    onAvatarClick = {
                        onChatHeaderClick(conversationID)
                    }
                )
            }
        },
        bottomBar = {
            Box(
                modifier = Modifier
                    .fillMaxWidth()
                    .background(color = colors.bgColorOperate)
            ) {
                MessageInput(modifier = Modifier.navigationBarsPadding(), conversationID = conversationID)
            }

        }) { padding ->
        Box(
            modifier = Modifier
                .padding(padding)
        ) {
            MessageList(conversationID = conversationID, locateMessage = locateMessage) {
                onUserClick(it)
            }
        }
    }
}

@Composable
fun ContactsPage(
    onContactClick: (ContactInfo) -> Unit = {},
    onGroupClick: (ContactInfo) -> Unit = {},
    editContent: @Composable () -> Unit = {},
) {

    val colors = LocalTheme.current.colors
    Column(
        modifier = Modifier
            .fillMaxSize()
            .background(Colors.Transparent)
    ) {
        PageHeader(stringResource(R.string.chat_uikit_contacts)) {
            editContent()
        }

        Box(
            modifier = Modifier
                .fillMaxSize()
                .navigationBarsPadding(), contentAlignment = Alignment.Center
        ) {
            ContactList(onGroupClick = onGroupClick, onContactClick = onContactClick)
        }
    }
}

// chat/demo/app/src/main/java/io/trtc/tuikit/chat/MainActivity.kt

// 点击会话列表 cell 跳转
ConversationsPage(onConversationClick = {
    activity?.startActivity(
        Intent(activity, ChatActivity::class.java).apply {
            putExtra("conversationID", it.conversationID)
        }
    )
})

// 点击联系人页面跳转
ContactsPage(onGroupClick = {
    ChatSettingActivity.start(context, "", it.contactID, true)
}, onContactClick = {
    ChatSettingActivity.start(context, it.contactID, "", true)
})

// chat/demo/app/src/main/java/io/trtc/tuikit/chat/chat/ChatActivity.kt

// 点击聊天页面跳转
ChatPage(
   conversationID = conversationID,
   locateMessage = message,
   onUserClick = {
       handleChatSettingNavigation(it)
   }, onChatHeaderClick = {
       val userID = getUserID(conversationID)
       val groupID = getGroupID(conversationID)
       handleChatSettingNavigation(userID, groupID)
   }, onBackClick = { finish() })