ref: open Login from MainActivity, not vice versa

app/src/main/AndroidManifest.xml

@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-  ~ Created by sweetbread on 22.02.2025, 15:45
+  ~ Created by sweetbread
   ~ Copyright (c) 2025. All rights reserved.
-  ~ Last modified 22.02.2025, 14:00
   -->
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
@@ -21,7 +20,7 @@
         android:theme="@style/Theme.PixelDragon"
         tools:targetApi="31">
         <activity
-            android:name=".ui.activity.Login"
+            android:name=".ui.activity.MainActivity"
             android:exported="true"
             android:theme="@style/Theme.PixelDragon">
             <intent-filter>
@@ -32,7 +31,7 @@
         </activity>
 
         <activity
-            android:name=".ui.activity.MainActivity"
+            android:name=".ui.activity.Login"
             android:exported="false"
             android:theme="@style/Theme.PixelDragon" />
     </application>

app/src/main/java/ru/risdeveau/pixeldragon/ui/activity/Login.kt

@@ -1,7 +1,6 @@
 /*
  * Created by sweetbread
  * Copyright (c) 2025. All rights reserved.
- * Last modified 03.03.2025, 16:08
  */
 
 package ru.risdeveau.pixeldragon.ui.activity
@@ -36,11 +35,9 @@ import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.unit.dp
 import kotlinx.coroutines.DelicateCoroutinesApi
-import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 import ru.risdeveau.pixeldragon.api.getHomeserver
 import ru.risdeveau.pixeldragon.api.login
-import ru.risdeveau.pixeldragon.initCheck
 import ru.risdeveau.pixeldragon.ui.theme.PixelDragonTheme
 import splitties.activities.start
 
@@ -49,14 +46,6 @@ class Login : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-
-        GlobalScope.launch {
-            if (initCheck()) {
-                start<MainActivity>()
-                finish()
-            }
-        }
-
         enableEdgeToEdge()
         setContent {
             PixelDragonTheme {
@@ -75,7 +64,10 @@ class Login : ComponentActivity() {
                                 .padding(innerPadding)) {
                             LoginField(
                                 Modifier.align(Alignment.Center),
-                                { start<MainActivity>() },
+                                {
+                                    start<MainActivity>()
+                                    finish()
+                                },
                                 {
                                     scope.launch {
                                         snackbarHostState

app/src/main/java/ru/risdeveau/pixeldragon/ui/activity/MainActivity.kt

@@ -28,9 +28,11 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import ru.risdeveau.pixeldragon.api.Me
 import ru.risdeveau.pixeldragon.api.getMe
+import ru.risdeveau.pixeldragon.initCheck
 import ru.risdeveau.pixeldragon.ui.layout.Room
 import ru.risdeveau.pixeldragon.ui.layout.RoomList
 import ru.risdeveau.pixeldragon.ui.theme.PixelDragonTheme
+import splitties.activities.start
 
 var ME: Me? = null
 
@@ -59,18 +61,30 @@ class MainActivity : ComponentActivity() {
                     val navController = rememberNavController()
 
                     LaunchedEffect(Unit) {
-                        withContext(Dispatchers.IO) {
-                            ME = getMe()
+                        if (initCheck()) {
+                            ME = withContext(Dispatchers.IO) { getMe() }
+                            if (ME != null) {
+                                navController.navigate("rooms")
+                            } else {
+                                start<Login>()
+                                finish()
+                            }
+                        } else {
+                            start<Login>()
+                            finish()
                         }
                     }
 
-                    NavHost(navController = navController, startDestination = "rooms") {
+                    NavHost(navController = navController, startDestination = "none") {
+                        composable("none") {  }
                         composable("rooms") { RoomList(Modifier.padding(innerPadding), navController) }
                         composable(
                             "room/{rid}",
                             arguments = listOf(navArgument("rid") { type = NavType.StringType })
                         ) { navBackStackEntry ->
-                            Room(Modifier.padding(innerPadding).fillMaxSize(), navBackStackEntry.arguments!!.getString("rid")!!)
+                            Room(Modifier
+                                .padding(innerPadding)
+                                .fillMaxSize(), navBackStackEntry.arguments!!.getString("rid")!!)
                         }
                         composable(
                             "space/{rid}",