refactor(viewmodel): 将回调方式统一改为 StateFlow + UiState，消除竞态问题

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/src/main/java/com/shuwei/dish/match/ui/HomeActivity.kt

@@ -142,19 +142,18 @@ class HomeActivity : BaseActivity() {
                 finish()
                 return@launch
             }
-            appViewModel.countCookFood(cookMode = 1) { count ->
-                if (count > 0) {
-                    // 有烹饪中数据，打开采样历史列表页面
-                    startActivity<SamplingListActivity>()
-                    finish()
-                    return@countCookFood
-                }
-                // 无烹饪数据，打开新增采样页面
-                startActivity<PrepareCookActivity> {
-                    putExtra(PrepareCookActivity.PAGE_FROM, PrepareCookActivity.HOME)
-                }
+            val count = appViewModel.countCookFood(cookMode = 1)
+            if (count > 0) {
+                // 有烹饪中数据，打开采样历史列表页面
+                startActivity<SamplingListActivity>()
                 finish()
+                return@launch
             }
+            // 无烹饪数据，打开新增采样页面
+            startActivity<PrepareCookActivity> {
+                putExtra(PrepareCookActivity.PAGE_FROM, PrepareCookActivity.HOME)
+            }
+            finish()
         }
     }
 

app/src/main/java/com/shuwei/dish/match/ui/InitActivity.kt

@@ -95,16 +95,15 @@ class InitActivity : BaseActivity() {
                 startActivity<SamplingListActivity>()
                 return@launch
             }
-            appViewModel.countCookFood(cookMode = 1) { count ->
-                if (count > 0) {
-                    // 有烹饪中数据，打开采样历史列表页面
-                    startActivity<SamplingListActivity>()
-                    return@countCookFood
-                }
-                // 无烹饪数据，打开新增采样页面
-                startActivity<PrepareCookActivity> {
-                    putExtra(PrepareCookActivity.PAGE_FROM, PrepareCookActivity.HOME)
-                }
+            val count = appViewModel.countCookFood(cookMode = 1)
+            if (count > 0) {
+                // 有烹饪中数据，打开采样历史列表页面
+                startActivity<SamplingListActivity>()
+                return@launch
+            }
+            // 无烹饪数据，打开新增采样页面
+            startActivity<PrepareCookActivity> {
+                putExtra(PrepareCookActivity.PAGE_FROM, PrepareCookActivity.HOME)
             }
         }
     }

app/src/main/java/com/shuwei/dish/match/ui/PrepareCookActivity.kt

@@ -8,7 +8,9 @@ import android.util.Log
 import android.view.View
 import android.view.ViewGroup
 import androidx.activity.addCallback
+import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
 import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.shuwei.dish.match.R
@@ -20,6 +22,7 @@ import com.shuwei.dish.match.dialog.CommonDialog
 import com.shuwei.dish.match.entity.CookFoodEntity
 import com.shuwei.dish.match.entity.CookFoodGoodsEntity
 import com.shuwei.dish.match.entity.FoodRecord
+import com.shuwei.dish.match.net.UiState
 import com.shuwei.dish.match.objbox.FoodModule
 import com.shuwei.dish.match.utils.AddressUtil
 import com.shuwei.dish.match.utils.CameraUtils
@@ -36,6 +39,7 @@ import com.shuwei.dish.match.utils.ext.toJsonString
 import com.shuwei.dish.match.utils.ext.toast
 import com.shuwei.dish.match.utils.ext.visible
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.io.Serializable
@@ -110,6 +114,7 @@ class PrepareCookActivity : BaseActivity() {
         addBackKeyListener()
         initCamera(binding.flCameraContainer)
         initRecyclerView()
+        initObserver()
 
         if (!isSamplingMode) {
             getDishDetail()
@@ -267,6 +272,28 @@ class PrepareCookActivity : BaseActivity() {
     }
 
 
+    private fun initObserver() {
+        lifecycleScope.launch {
+            repeatOnLifecycle(Lifecycle.State.STARTED) {
+                netViewModel.foodDetailState.collect { state ->
+                    when (state) {
+                        is UiState.Success -> {
+                            val detail = state.data
+                            if (detail == null) {
+                                toast("查询菜品信息为空")
+                                return@collect
+                            }
+                            loadDishDetail(detail)
+                        }
+
+                        is UiState.Error -> toast(state.msg)
+                        else -> {}
+                    }
+                }
+            }
+        }
+    }
+
     private fun getDishDetail() {
 //        //649
 //        val url = "${UrlConfig.DISH_DETAIL}?foodId=${food?.foodId}"
@@ -285,17 +312,7 @@ class PrepareCookActivity : BaseActivity() {
 //            toast(msg)
 //        }
 
-        netViewModel.getFoodDetail(
-            food?.foodId ?: "",
-            onSuccess = { detail ->
-                if (detail == null) {
-                    toast("查询菜品信息为空")
-                    return@getFoodDetail
-                }
-                loadDishDetail(detail)
-            }, onFailure = { code, msg ->
-                toast(msg)
-            })
+        netViewModel.getFoodDetail(food?.foodId ?: "")
     }