fix: system bar

composeApp/src/commonMain/kotlin/com/whitefish/app/ui/components/SystemBarsDemo.kt

@@ -1,74 +0,0 @@
-package com.whitefish.app.ui.components
-
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.*
-import androidx.compose.material3.*
-import androidx.compose.runtime.*
-import androidx.compose.ui.Alignment
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import com.whitefish.app.getStatusBarHeight
-import com.whitefish.app.getNavigationBarHeight
-
-/**
- * 系统栏演示组件
- * 用于展示状态栏和导航栏高度的获取效果
- */
-@Composable
-fun SystemBarsDemo(modifier: Modifier = Modifier) {
-    val statusBarHeight = getStatusBarHeight()
-    val navigationBarHeight = getNavigationBarHeight()
-    
-    Column(
-        modifier = modifier
-            .fillMaxSize()
-            .background(Color(0xFF1A1A1A))
-            .systemBarsPadding(),
-        horizontalAlignment = Alignment.CenterHorizontally,
-        verticalArrangement = Arrangement.Center
-    ) {
-        Card(
-            modifier = Modifier.padding(16.dp),
-            colors = CardDefaults.cardColors(containerColor = Color(0xFF2A2A2A))
-        ) {
-            Column(
-                modifier = Modifier.padding(24.dp),
-                horizontalAlignment = Alignment.CenterHorizontally
-            ) {
-                Text(
-                    text = "系统栏高度信息",
-                    fontSize = 20.sp,
-                    fontWeight = FontWeight.Bold,
-                    color = Color.White
-                )
-                
-                Spacer(modifier = Modifier.height(16.dp))
-                
-                Text(
-                    text = "状态栏高度: ${statusBarHeight}",
-                    fontSize = 16.sp,
-                    color = Color(0xFFE0E0E0)
-                )
-                
-                Spacer(modifier = Modifier.height(8.dp))
-                
-                Text(
-                    text = "导航栏高度: ${navigationBarHeight}",
-                    fontSize = 16.sp,
-                    color = Color(0xFFE0E0E0)
-                )
-                
-                Spacer(modifier = Modifier.height(16.dp))
-                
-                Text(
-                    text = "此内容区域已添加系统栏内边距",
-                    fontSize = 14.sp,
-                    color = Color(0xFFB0B0B0)
-                )
-            }
-        }
-    }
-} 

composeApp/src/commonMain/kotlin/com/whitefish/app/ui/components/SystemBarsPadding.kt

@@ -14,11 +14,9 @@ import com.whitefish.app.getNavigationBarHeight
 @Composable
 fun Modifier.systemBarsPadding(): Modifier {
     val statusBarHeight: Dp = getStatusBarHeight()
-    val navigationBarHeight: Dp = getNavigationBarHeight()
-    
+
     return this.padding(
         top = statusBarHeight,
-        bottom = navigationBarHeight
     )
 }
 

composeApp/src/commonMain/kotlin/com/whitefish/app/ui/home/HomeScreen.kt

@@ -17,6 +17,8 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.lifecycle.viewmodel.compose.viewModel
+import com.whitefish.app.getNavigationBarHeight
+import com.whitefish.app.getStatusBarHeight
 import org.jetbrains.compose.resources.painterResource
 import org.jetbrains.compose.ui.tooling.preview.Preview
 import ringappkmp.composeapp.generated.resources.Res
@@ -54,7 +56,7 @@ fun HomeScreen(
         Column(
             modifier = Modifier
                 .fillMaxSize()
-                .systemBarsPadding() // 添加状态栏和导航栏的内边距
+                .padding(top = getStatusBarHeight()) // 添加状态栏和导航栏的内边距
         ) {
             // 主内容区域
             Box(
@@ -93,7 +95,7 @@ private fun BottomNavigationBar(
         modifier = Modifier
             .fillMaxWidth()
             .background(Color(0xFFE8E0E6))
-            .padding(top = 24.dp),
+            .padding(top = 24.dp, bottom = getNavigationBarHeight()),
         horizontalArrangement = Arrangement.SpaceEvenly
     ) {
         HomeTab.entries.forEach { tab ->