pref: 过度绘制

app/src/main/java/com/huanchengfly/tieba/post/MainActivityV2.kt

@@ -7,6 +7,8 @@ import android.content.BroadcastReceiver
 import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
+import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
 import android.os.Build
 import android.os.Bundle
 import android.os.Handler
@@ -163,6 +165,8 @@ class MainActivityV2 : BaseComposeActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         installSplashScreen()
         super.onCreate(savedInstanceState)
+        window.decorView.setBackgroundColor(Color.TRANSPARENT)
+        window.setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT))
     }
 
     override fun onCreateContent(systemUiController: SystemUiController) {

app/src/main/java/com/huanchengfly/tieba/post/ui/page/forum/ForumPage.kt

@@ -648,7 +648,7 @@ fun ForumPage(
                                 )
                             },
                             divider = {},
-                            backgroundColor = ExtendedTheme.colors.topBar,
+                            backgroundColor = Color.Transparent,
                             contentColor = ExtendedTheme.colors.accent,
                             modifier = Modifier
                                 .width(tabWidth.dp)

app/src/main/java/com/huanchengfly/tieba/post/ui/page/history/HistoryPage.kt

@@ -15,6 +15,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
@@ -57,6 +58,7 @@ fun HistoryPage(
     val eventFlow = remember { MutableSharedFlow<HistoryListUiEvent>() }
 
     MyScaffold(
+        backgroundColor = Color.Transparent,
         scaffoldState = scaffoldState,
         topBar = {
             TitleCentredToolbar(
@@ -95,7 +97,7 @@ fun HistoryPage(
                         )
                     },
                     divider = {},
-                    backgroundColor = ExtendedTheme.colors.topBar,
+                    backgroundColor = Color.Transparent,
                     contentColor = ExtendedTheme.colors.accent,
                     modifier = Modifier
                         .width(100.dp * 2)

app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/explore/ExplorePage.kt

@@ -74,7 +74,7 @@ fun ExplorePage() {
                         )
                     },
                     divider = {},
-                    backgroundColor = ExtendedTheme.colors.topBar,
+                    backgroundColor = Color.Transparent,
                     contentColor = ExtendedTheme.colors.onTopBar,
                     modifier = Modifier
                         .align(Alignment.CenterHorizontally)

app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/notifications/NotificationsPage.kt

@@ -67,7 +67,7 @@ fun NotificationsPage() {
                         )
                     },
                     divider = {},
-                    backgroundColor = ExtendedTheme.colors.topBar,
+                    backgroundColor = Color.Transparent,
                     contentColor = ExtendedTheme.colors.onTopBar,
                 ) {
                     pages.forEachIndexed { index, pair -> 

app/src/main/java/com/huanchengfly/tieba/post/ui/page/settings/block/BlockSettingsPage.kt

@@ -125,7 +125,7 @@ fun BlockSettingsPage(
                         )
                     },
                     divider = {},
-                    backgroundColor = ExtendedTheme.colors.topBar,
+                    backgroundColor = Color.Transparent,
                     contentColor = ExtendedTheme.colors.onTopBar,
                     modifier = Modifier
                         .align(Alignment.CenterHorizontally)

app/src/main/java/com/huanchengfly/tieba/post/ui/page/threadstore/ThreadStorePage.kt

@@ -23,6 +23,7 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.AnnotatedString
@@ -119,6 +120,7 @@ fun ThreadStorePage(
         }
     }
     MyScaffold(
+        backgroundColor = Color.Transparent,
         scaffoldState = scaffoldState,
         topBar = {
             TitleCentredToolbar(