android: fix system insets for status and nav bars

android/CHANGELOG.md

@@ -156,3 +156,9 @@
 - Extended message DAO tests with attachment relation verification.
 - Added Android smoke and baseline document (`docs/android-smoke.md`) with test matrix and performance targets.
 - Updated Android checklist quality section with initial performance baseline completion.
+
+### Step 25 - UI safe insets fix
+- Enabled edge-to-edge mode in `MainActivity` via `enableEdgeToEdge()`.
+- Added safe area insets handling (`WindowInsets.safeDrawing`) for login, chat list, session-check and chat screens.
+- Added bottom composer protection in chat screen with `navigationBarsPadding()` and `imePadding()`.
+- Fixed UI overlap with status bar and navigation bar on modern Android devices.

android/app/src/main/java/ru/daemonlord/messenger/MainActivity.kt

@@ -2,6 +2,7 @@ package ru.daemonlord.messenger
 
 import android.os.Bundle
 import androidx.activity.ComponentActivity
+import androidx.activity.enableEdgeToEdge
 import androidx.activity.compose.setContent
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
@@ -15,6 +16,7 @@ import ru.daemonlord.messenger.ui.navigation.MessengerNavHost
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
         setContent {
             MaterialTheme {
                 Surface(modifier = Modifier.fillMaxSize()) {

android/app/src/main/java/ru/daemonlord/messenger/ui/auth/LoginScreen.kt

@@ -4,7 +4,10 @@ import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.safeDrawing
 import androidx.compose.material3.Button
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.MaterialTheme
@@ -27,6 +30,7 @@ fun LoginScreen(
     Column(
         modifier = Modifier
             .fillMaxSize()
+            .windowInsetsPadding(WindowInsets.safeDrawing)
             .padding(horizontal = 24.dp),
         verticalArrangement = Arrangement.Center,
         horizontalAlignment = Alignment.CenterHorizontally,

android/app/src/main/java/ru/daemonlord/messenger/ui/chat/ChatScreen.kt

@@ -19,8 +19,10 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.imePadding
+import androidx.compose.foundation.layout.navigationBarsPadding
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.material3.Button
@@ -41,6 +43,8 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.unit.dp
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.safeDrawing
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import coil.compose.AsyncImage
@@ -103,7 +107,9 @@ fun ChatScreen(
 ) {
     var viewerImageUrl by remember { mutableStateOf<String?>(null) }
     Column(
-        modifier = Modifier.fillMaxSize(),
+        modifier = Modifier
+            .fillMaxSize()
+            .windowInsetsPadding(WindowInsets.safeDrawing),
     ) {
         Row(
             modifier = Modifier
@@ -227,6 +233,8 @@ fun ChatScreen(
         Row(
             modifier = Modifier
                 .fillMaxWidth()
+                .navigationBarsPadding()
+                .imePadding()
                 .padding(horizontal = 12.dp, vertical = 8.dp),
             verticalAlignment = Alignment.CenterVertically,
             horizontalArrangement = Arrangement.spacedBy(8.dp),

android/app/src/main/java/ru/daemonlord/messenger/ui/chats/ChatListScreen.kt

@@ -7,7 +7,10 @@ import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.safeDrawing
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.material3.AssistChip
@@ -66,7 +69,9 @@ fun ChatListScreen(
     onOpenChat: (Long) -> Unit,
 ) {
     Column(
-        modifier = Modifier.fillMaxSize(),
+        modifier = Modifier
+            .fillMaxSize()
+            .windowInsetsPadding(WindowInsets.safeDrawing),
     ) {
         TabRow(
             selectedTabIndex = if (state.selectedTab == ChatTab.ALL) 0 else 1,

android/app/src/main/java/ru/daemonlord/messenger/ui/navigation/AppNavGraph.kt

@@ -2,7 +2,10 @@ package ru.daemonlord.messenger.ui.navigation
 
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.safeDrawing
+import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
@@ -105,7 +108,9 @@ fun MessengerNavHost(
 @Composable
 private fun SessionCheckingScreen() {
     Column(
-        modifier = Modifier.fillMaxSize(),
+        modifier = Modifier
+            .fillMaxSize()
+            .windowInsetsPadding(WindowInsets.safeDrawing),
         verticalArrangement = Arrangement.Center,
         horizontalAlignment = Alignment.CenterHorizontally,
     ) {