聊天自定义背景实现

2025-10-31 16:41:39 +08:00
parent d7f87c7c55
commit 4a684886fa
7 changed files with 92 additions and 26 deletions
--- a/app/src/main/java/com/aiosman/ravenow/AppState.kt
+++ b/app/src/main/java/com/aiosman/ravenow/AppState.kt
@@ -46,6 +46,7 @@ object AppState {
    var enableGoogleLogin: Boolean = false
    var enableChat = false
    var agentCreatedSuccess by mutableStateOf(false)
+    var chatBackgroundUrl by mutableStateOf<String?>(null)
    suspend fun initWithAccount(scope: CoroutineScope, context: Context) {
        // 如果是游客模式，使用简化的初始化流程
        if (AppStore.isGuest) {
--- a/app/src/main/java/com/aiosman/ravenow/store.kt
+++ b/app/src/main/java/com/aiosman/ravenow/store.kt
@@ -29,6 +29,12 @@ object AppStore {
            AppState.darkMode = true
            AppState.appTheme = DarkThemeColors()
        }
+        
+        // load chat background
+        val savedBgUrl = sharedPreferences.getString("chatBackgroundUrl", null)
+        if (savedBgUrl != null) {
+            AppState.chatBackgroundUrl = savedBgUrl
+        }

    }

@@ -54,5 +60,15 @@ object AppStore {
        }.apply()
    }

+    fun saveChatBackgroundUrl(url: String?) {
+        sharedPreferences.edit().apply {
+            if (url != null) {
+                putString("chatBackgroundUrl", url)
+            } else {
+                remove("chatBackgroundUrl")
+            }
+        }.apply()
+        AppState.chatBackgroundUrl = url
+    }

 }
--- a/app/src/main/java/com/aiosman/ravenow/ui/chat/ChatAiScreen.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/chat/ChatAiScreen.kt
@@ -83,6 +83,8 @@ import com.aiosman.ravenow.ui.composables.StatusBarSpacer
 import com.aiosman.ravenow.ui.modifiers.noRippleClickable
 import com.aiosman.ravenow.utils.NetworkUtils
 import com.aiosman.ravenow.ui.NavigationRoute
+import com.aiosman.ravenow.AppState
+import androidx.compose.ui.layout.ContentScale
 import io.openim.android.sdk.enums.MessageType
 import kotlinx.coroutines.launch
 import java.util.UUID
@@ -93,6 +95,7 @@ fun ChatAiScreen(userId: String) {
    val navController = LocalNavController.current
    val context = LocalNavController.current.context
    val AppColors = LocalAppTheme.current
+    val chatBackgroundUrl = AppState.chatBackgroundUrl
    var goToNewCount by remember { mutableStateOf(0) }
    val viewModel = viewModel<ChatAiViewModel>(
        key = "ChatAiViewModel_$userId",
@@ -156,14 +159,25 @@ fun ChatAiScreen(userId: String) {
    }


-    Scaffold(
-        modifier = Modifier
-            .fillMaxSize(),
-        topBar = {
+    Box(modifier = Modifier.fillMaxSize()) {
+        if (chatBackgroundUrl != null && chatBackgroundUrl.isNotEmpty()) {
+            CustomAsyncImage(
+                imageUrl = chatBackgroundUrl,
+                modifier = Modifier.fillMaxSize(),
+                contentDescription = "chat_background",
+                contentScale = ContentScale.Crop
+            )
+        }
+
+        Scaffold(
+            modifier = Modifier
+                .fillMaxSize(),
+            backgroundColor = Color.Transparent,
+            topBar = {
            Column(
                modifier = Modifier
                    .fillMaxWidth()
-                    .background(AppColors.background)
+                    .background(Color.Transparent)
            ) {
                StatusBarSpacer()
                Row(
@@ -222,18 +236,21 @@ fun ChatAiScreen(userId: String) {
            }
        },
        bottomBar = {
+            val hasChatBackground = AppState.chatBackgroundUrl != null && AppState.chatBackgroundUrl!!.isNotEmpty()
            Column(
                modifier = Modifier
                    .fillMaxWidth()
                    .imePadding()
            ) {
-                Box(
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .height(1.dp)
-                        .background(
-                            AppColors.decentBackground)
-                )
+                if (!hasChatBackground) {
+                    Box(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .height(1.dp)
+                            .background(
+                                AppColors.decentBackground)
+                    )
+                }
                Spacer(modifier = Modifier.height(8.dp))
                ChatAiInput(
                    onSendImage = {
@@ -254,7 +271,7 @@ fun ChatAiScreen(userId: String) {
        Box(
            modifier = Modifier
                .fillMaxSize()
-                .background(Color.White)
+                .background(Color.Transparent)
                .padding(paddingValues)
        ) {
            LazyColumn(
@@ -317,8 +334,7 @@ fun ChatAiScreen(userId: String) {
                }
            }
        }
-
-
+        }
    }
 }

@@ -542,7 +558,8 @@ fun ChatAiInput(
    }
    Box( modifier = Modifier
        .fillMaxWidth()
-        .padding(start = 16.dp, end = 16.dp, bottom = 12.dp),){
+        .background(Color.Transparent)
+        .padding(start = 16.dp, end = 16.dp, bottom = 45.dp),){

        Row(
            modifier = Modifier
--- a/app/src/main/java/com/aiosman/ravenow/ui/chat/ChatScreen.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/chat/ChatScreen.kt
@@ -64,6 +64,7 @@ import androidx.compose.ui.platform.LocalFocusManager
 import androidx.compose.ui.platform.LocalSoftwareKeyboardController
 import androidx.compose.ui.platform.SoftwareKeyboardController
 import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.style.TextAlign
@@ -74,6 +75,7 @@ import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.viewModelScope
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.aiosman.ravenow.LocalAppTheme
+import com.aiosman.ravenow.AppState
 import com.aiosman.ravenow.LocalNavController
 import com.aiosman.ravenow.R
 import com.aiosman.ravenow.entity.ChatItem
@@ -158,14 +160,37 @@ fun ChatScreen(userId: String) {
    }


-    Scaffold(
+    Box(
        modifier = Modifier
-            .fillMaxSize(),
+            .fillMaxSize()
+    ) {
+        // 背景图层
+        val bgUrl = AppState.chatBackgroundUrl
+        if (bgUrl != null) {
+            CustomAsyncImage(
+                imageUrl = bgUrl,
+                modifier = Modifier.fillMaxSize(),
+                contentDescription = "chat_background",
+                contentScale = ContentScale.Crop
+            )
+        } else {
+            // 无背景时使用主题背景色
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .background(AppColors.background)
+            )
+        }
+
+        Scaffold(
+            modifier = Modifier
+                .fillMaxSize(),
+            backgroundColor = Color.Transparent,
        topBar = {
            Column(
                modifier = Modifier
                    .fillMaxWidth()
-                    .background(AppColors.background)
+                    .background(Color.Transparent)
            ) {
                StatusBarSpacer()
                Row(
@@ -252,11 +277,11 @@ fun ChatScreen(userId: String) {
                }
            }
        }
-    ) { paddingValues ->
+        ) { paddingValues ->
        Box(
            modifier = Modifier
                .fillMaxSize()
-                .background(AppColors.background)
+                .background(Color.Transparent)
                .padding(paddingValues)
        ) {
            LazyColumn(
@@ -320,6 +345,7 @@ fun ChatScreen(userId: String) {
        }


+    }
    }
 }

@@ -545,7 +571,7 @@ fun ChatInput(
    }
    Box( modifier = Modifier
        .fillMaxWidth()
-        .padding(start = 16.dp, end = 16.dp, bottom = 12.dp),){
+        .padding(start = 16.dp, end = 16.dp, bottom = 45.dp),){

        Row(
            modifier = Modifier
--- a/app/src/main/java/com/aiosman/ravenow/ui/chat/ChatSettingScreen.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/chat/ChatSettingScreen.kt
@@ -147,7 +147,7 @@ private fun ThemePickerSheet(onClose: () -> Unit) {
                    color = appColors.text,
                    fontSize = 16.sp,
                    fontWeight = FontWeight.W600,
-                    modifier = Modifier.weight(1f).padding(start = 100.dp),
+                    modifier = Modifier.weight(1f).padding(start = 90.dp),
                )
                IconButton(onClick = onClose) {
                    Icon(
@@ -338,7 +338,13 @@ private fun ThemePickerSheet(onClose: () -> Unit) {
                                                )
                                            )
                                        )
-                                        .clickable { }
+                                        .clickable {
+                                            previewUrl?.let { url ->
+                                                com.aiosman.ravenow.AppStore.saveChatBackgroundUrl(url)
+                                                previewUrl = null
+                                                onClose()
+                                            }
+                                        }
                                        .padding(vertical = 12.dp),
                                    contentAlignment = Alignment.Center
                                ) {
--- a/app/src/main/java/com/aiosman/ravenow/ui/index/Index.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/index/Index.kt
@@ -276,7 +276,7 @@ fun IndexScreen() {
                    bottomBar = {
                        NavigationBar(
                            modifier = Modifier.height(58.dp + navigationBarHeight),
-                            containerColor = AppColors.secondaryBackground
+                            containerColor = AppColors.tabUnselectedBackground
                        ) {
                            item.forEachIndexed { idx, it ->
                                val isSelected = model.tabIndex == idx
--- a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/ai/Agent.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/ai/Agent.kt
@@ -891,7 +891,7 @@ fun ChatRoomCard(
    Box(
        modifier = modifier
            .size(cardSize)
-            .background(AppColors.secondaryBackground, RoundedCornerShape(12.dp))
+            .background(AppColors.tabUnselectedBackground, RoundedCornerShape(12.dp))
            .clickable(enabled = !viewModel.isJoiningRoom) {
                if (!viewModel.isJoiningRoom && DebounceUtils.simpleDebounceClick(lastClickTime, 500L) {
                        // 加入群聊房间