Improve UI

Signed-off-by: denis0001-dev <denis0001.dev@ya.ru>

.idea/inspectionProfiles/Project_Default.xml

@@ -29,6 +29,7 @@
     <inspection_tool class="GlancePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
     </inspection_tool>
+    <inspection_tool class="NestedLambdaShadowedImplicitParameter" enabled="false" level="WEAK WARNING" enabled_by_default="false" />
     <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
       <option name="previewFile" value="true" />

app/build.gradle.kts

@@ -13,7 +13,7 @@ plugins {
 kotlin {
     compilerOptions {
         jvmTarget.set(JvmTarget.JVM_11)
-        freeCompilerArgs.add("-Xsuppress-warning=NOTHING_TO_INLINE")
+        freeCompilerArgs.add("-Xwarning-level=NOTHING_TO_INLINE:disabled")
     }
 }
 

app/src/main/java/ru/fromchat/api/WebSocketManager.kt

@@ -31,8 +31,7 @@ object WebSocketManager {
     private val _messages = MutableSharedFlow<WebSocketMessage>(replay = 0, extraBufferCapacity = 64)
     val messages = _messages.asSharedFlow()
 
-    @Volatile
+    private val globalHandlers = mutableListOf<((WebSocketMessage) -> Unit)>()
-    private var globalHandlers = mutableListOf<((WebSocketMessage) -> Unit)>()
 
     fun addGlobalMessageHandler(handler: ((WebSocketMessage) -> Unit)) {
         globalHandlers += handler

app/src/main/java/ru/fromchat/ui/PublicChatScreen.kt

@@ -1,6 +1,9 @@
 package ru.fromchat.ui
 
 import android.util.Log
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.EnterTransition
+import androidx.compose.animation.fadeOut
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
@@ -10,6 +13,7 @@ import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.WindowInsetsSides
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.safeDrawing
@@ -29,8 +33,10 @@ import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material.icons.automirrored.filled.Send
 import androidx.compose.material.icons.filled.DoneAll
 import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
+import androidx.compose.material3.LoadingIndicator
 import androidx.compose.material3.LocalTextStyle
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
@@ -51,11 +57,15 @@ import androidx.compose.ui.graphics.SolidColor
 import androidx.compose.ui.layout.onSizeChanged
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import kotlinx.datetime.TimeZone
 import kotlinx.datetime.format
 import kotlinx.datetime.toLocalDateTime
@@ -76,7 +86,7 @@ import ru.fromchat.utils.exclude
 import kotlin.time.ExperimentalTime
 import kotlin.time.Instant
 
-@OptIn(ExperimentalMaterial3Api::class, ExperimentalTime::class)
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalTime::class, ExperimentalMaterial3ExpressiveApi::class)
 @Composable
 fun PublicChatScreen() {
     val navController = LocalNavController.current
@@ -84,8 +94,12 @@ fun PublicChatScreen() {
     val scrollState = rememberScrollState()
 
     val messages = remember { mutableStateListOf<Message>() }
+    var loading by remember { mutableStateOf(true) }
 
     LaunchedEffect(Unit) {
+        val coroutineContext = coroutineContext
+
+        CoroutineScope(Dispatchers.IO).launch {
             apiRequest {
                 ApiClient.getMessages()
             }.onSuccess {
@@ -109,7 +123,11 @@ fun PublicChatScreen() {
             }
 
             delay(500)
-        scrollState.animateScrollTo(scrollState.maxValue)
+            withContext(coroutineContext) {
+                scrollState.scrollTo(scrollState.maxValue)
+            }
+            loading = false
+        }.join()
     }
 
     Scaffold(
@@ -205,6 +223,7 @@ fun PublicChatScreen() {
             }
         }
     ) { innerPadding ->
+        Box(Modifier.fillMaxSize()) {
             Column(
                 Modifier
                     .padding(innerPadding)
@@ -215,7 +234,8 @@ fun PublicChatScreen() {
                     text: String,
                     isAuthor: Boolean,
                     isRead: Boolean,
-                timestamp: String
+                    timestamp: String,
+                    username: String
                 ) {
                     var rowWidth by remember { mutableStateOf(0.dp) }
                     val density = LocalDensity.current
@@ -251,6 +271,14 @@ fun PublicChatScreen() {
                                 .width(IntrinsicSize.Max)
                                 .widthIn(max = rowWidth * 0.80f)
                         ) {
+                            if (!isAuthor) {
+                                Text(
+                                    text = username,
+                                    fontWeight = FontWeight.W600,
+                                    maxLines = 1,
+                                    overflow = TextOverflow.Ellipsis
+                                )
+                            }
                             Text(text)
                             Row(
                                 verticalAlignment = Alignment.CenterVertically,
@@ -282,9 +310,26 @@ fun PublicChatScreen() {
                         timestamp = Instant
                             .parse(it.utcTimestamp)
                             .toLocalDateTime(TimeZone.currentSystemDefault())
-                        .format(DATETIME_FORMAT)
+                            .format(DATETIME_FORMAT),
+                        username = it.username
                     )
                 }
             }
+
+            AnimatedVisibility(
+                visible = loading,
+                enter = EnterTransition.None,
+                exit = fadeOut()
+            ) {
+                Box(
+                    Modifier
+                        .background(MaterialTheme.colorScheme.surface)
+                        .fillMaxSize(),
+                    contentAlignment = Alignment.Center
+                ) {
+                    LoadingIndicator(Modifier.size(70.dp))
+                }
+            }
+        }
     }
 }

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 agp = "8.12.3"
-kotlin = "2.2.10"
+kotlin = "2.2.20"
 coreKtx = "1.17.0"
 junit = "4.13.2"
 junitVersion = "1.3.0"
@@ -11,8 +11,10 @@ activityCompose = "1.11.0"
 composeBom = "2025.09.00"
 materialIconsExtended = "1.7.8"
 navigationCompose = "2.9.4"
-ktor = "3.2.3"
+ktor = "3.3.0"
 kotlinxSerializationJson = "1.9.0"
+compose = "1.9.1"
+material3 = "1.5.0-alpha04"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -23,13 +25,13 @@ androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-co
 androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
 androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
 androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
-androidx-ui = { group = "androidx.compose.ui", name = "ui" }
+androidx-ui = { group = "androidx.compose.ui", name = "ui", version.ref = "compose" }
-androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
+androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics", version.ref = "compose" }
-androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
+androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling", version.ref = "compose" }
-androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
+androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview", version.ref = "compose" }
-androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
+androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest", version.ref = "compose" }
-androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
+androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4", version.ref = "compose" }
-androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+androidx-material3 = { group = "androidx.compose.material3", name = "material3", version.ref = "material3" }
 androidx-navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version.ref = "navigationCompose" }
 kotlinx-datetime = { module = "org.jetbrains.kotlinx:kotlinx-datetime", version.ref = "kotlinxDatetime" }
 ktor-client-core = { group = "io.ktor", name = "ktor-client-core", version.ref = "ktor" }