限制帖子图片数量为9张

app/src/main/java/com/aiosman/ravenow/ui/post/NewPost.kt

@@ -435,7 +435,22 @@ fun AddImageGrid() {
     ) { uris ->
         if (uris.isNotEmpty()) {
             scope.launch {
-                for (uri in uris) {
+                val currentCount = model.imageList.size
+                val remainingSlots = 9 - currentCount
+                
+                if (remainingSlots <= 0) {
+                    Toast.makeText(context, "最多只能选择9张图片", Toast.LENGTH_SHORT).show()
+                    return@launch
+                }
+                
+                val urisToProcess = if (uris.size > remainingSlots) {
+                    Toast.makeText(context, "已选择${uris.size}张图片，但只能添加前${remainingSlots}张", Toast.LENGTH_SHORT).show()
+                    uris.take(remainingSlots)
+                } else {
+                    uris
+                }
+                
+                for (uri in urisToProcess) {
                     ImageItem.fromUri(context, uri.toString())?.let {
                         model.imageList += it
                     }
@@ -449,10 +464,14 @@ fun AddImageGrid() {
     ) { success ->
         if (success) {
             scope.launch {
+                if (model.imageList.size >= 9) {
+                    Toast.makeText(context, "最多只能选择9张图片", Toast.LENGTH_SHORT).show()
+                    return@launch
+                }
+                
                 ImageItem.fromUri(context, model.currentPhotoUri.toString())?.let {
                     model.imageList += it
                 }
-
             }
         }
     }
@@ -502,6 +521,8 @@ fun AddImageGrid() {
             }
         }
     }
+    val canAddMoreImages = model.imageList.size < 9
+    
     LazyVerticalGrid(
         columns = GridCells.Fixed(5),
         contentPadding = PaddingValues(8.dp),
@@ -511,54 +532,64 @@ fun AddImageGrid() {
         horizontalArrangement = Arrangement.spacedBy(8.dp),
         verticalArrangement = Arrangement.spacedBy(8.dp)
     ) {
-        item {
+        if (canAddMoreImages) {
-            Box(
+            item {
-                modifier = Modifier
+                Box(
-                    .fillMaxWidth()
-                    .aspectRatio(1f)
-                    .clip(RoundedCornerShape(16.dp)) // 设置圆角
-                    .background(AppColors.basicMain) // 设置背景色
-                    .noRippleClickable {
-                        pickImagesLauncher.launch("image/*")
-                    },
-            ) {
-                Icon(
-                    painter = painterResource(id = R.drawable.rider_pro_new_post_add_pic),
-                    contentDescription = "Add Image",
                     modifier = Modifier
-                        .size(24.dp)
+                        .fillMaxWidth()
-                        .align(Alignment.Center),
+                        .aspectRatio(1f)
-                    tint = AppColors.nonActiveText
+                        .clip(RoundedCornerShape(16.dp)) // 设置圆角
+                        .background(AppColors.basicMain) // 设置背景色
+                        .noRippleClickable {
+                            if (model.imageList.size < 9) {
+                                pickImagesLauncher.launch("image/*")
+                            } else {
+                                Toast.makeText(context, "最多只能选择9张图片", Toast.LENGTH_SHORT).show()
+                            }
+                        },
+                ) {
+                    Icon(
+                        painter = painterResource(id = R.drawable.rider_pro_new_post_add_pic),
+                        contentDescription = "Add Image",
+                        modifier = Modifier
+                            .size(24.dp)
+                            .align(Alignment.Center),
+                        tint = AppColors.nonActiveText
 
-                )
+                    )
+                }
             }
-        }
+            item {
-        item {
+                Box(
-            Box(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .aspectRatio(1f)
-                    .clip(RoundedCornerShape(16.dp)) // 设置圆角
-                    .background(AppColors.basicMain) // 设置背景色
-                    .noRippleClickable {
-                        val photoFile = File(context.cacheDir, "photo.jpg")
-                        val photoUri: Uri = FileProvider.getUriForFile(
-                            context,
-                            "${context.packageName}.fileprovider",
-                            photoFile
-                        )
-                        model.currentPhotoUri = photoUri
-                        takePictureLauncher.launch(photoUri)
-                    },
-            ) {
-                Icon(
-                    painter = painterResource(id = R.drawable.rider_pro_camera),
-                    contentDescription = "Take Photo",
                     modifier = Modifier
-                        .size(24.dp)
+                        .fillMaxWidth()
-                        .align(Alignment.Center),
+                        .aspectRatio(1f)
-                    tint = AppColors.nonActiveText
+                        .clip(RoundedCornerShape(16.dp)) // 设置圆角
-                )
+                        .background(AppColors.basicMain) // 设置背景色
+                        .noRippleClickable {
+                            if (model.imageList.size < 9) {
+                                val photoFile = File(context.cacheDir, "photo.jpg")
+                                val photoUri: Uri = FileProvider.getUriForFile(
+                                    context,
+                                    "${context.packageName}.fileprovider",
+                                    photoFile
+                                )
+                                model.currentPhotoUri = photoUri
+                                takePictureLauncher.launch(photoUri)
+                            } else {
+                                Toast.makeText(context, "最多只能选择9张图片", Toast.LENGTH_SHORT).show()
+                            }
+                        },
+                ) {
+                    Icon(
+                        painter = painterResource(id = R.drawable.rider_pro_camera),
+                        contentDescription = "Take Photo",
+                        modifier = Modifier
+                            .size(24.dp)
+                            .align(Alignment.Center),
+                        tint = AppColors.nonActiveText
+                    )
+                }
             }
         }
     }