refactor(activity): 统一使用 onBackPressedDispatcher.addCallback 替代 onBackPressed

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

app/src/main/java/com/shuwei/dish/match/dialog/FoodRecognizeDialog.kt

@@ -15,10 +15,12 @@ import com.shuwei.dish.match.entity.CookFoodGoodsEntity
 /**
  * 菜品识别结果弹窗，继承 BottomSheetDialog 确保只初始化一次
  * @param activity 宿主 Activity
+ * @param onDismiss 弹窗关闭时的额外回调（可选）
  * @param onItemSelected 用户点击某一菜品时的回调
  */
 class FoodRecognizeDialog(
     private val activity: BaseActivity,
+    private val onDismiss: (() -> Unit)? = null,
     private val onItemSelected: (item: CookFoodGoodsEntity) -> Unit
 ) : BottomSheetDialog(activity, R.style.BottomSheet) {
 
@@ -39,7 +41,7 @@ class FoodRecognizeDialog(
         setContentView(binding.root)
         setCancelable(true)
         behavior.skipCollapsed = false
-        setOnDismissListener { activity.hideStatusBar() }
+        setOnDismissListener { activity.hideStatusBar(); onDismiss?.invoke() }
         binding.recyclerView.run {
             layoutManager = GridLayoutManager(activity, 2, GridLayoutManager.VERTICAL, false)
             adapter = this@FoodRecognizeDialog.adapter

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

@@ -5,6 +5,7 @@ import android.content.Intent
 import android.os.Bundle
 import android.util.Log
 import android.view.View
+import androidx.activity.addCallback
 import androidx.activity.viewModels
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.ItemTouchHelper
@@ -75,6 +76,7 @@ class DishSamplingActivity : BaseActivity() {
                     binding.tvDishPartWeight.text = "${weight}"
                 }
             })
+        addBackKeyListener()
     }
 
     private fun setTitleBar() {
@@ -91,7 +93,7 @@ class DishSamplingActivity : BaseActivity() {
         }, backAction = {
             it.visible()
             it.setOnClickListener {
-                onBackPressed()
+                onBackPressedDispatcher.onBackPressed()
             }
         })
     }
@@ -110,19 +112,21 @@ class DishSamplingActivity : BaseActivity() {
         appViewModel.getCookFoodList(cookMode = 1) { action(it) }
     }
 
-    @Suppress("DEPRECATION")
+    /**
-    @SuppressLint("GestureBackNavigation")
+     * 监听返回键
-    @Deprecated("Deprecated in Java")
+     */
-    override fun onBackPressed() {
+    fun addBackKeyListener() {
+        onBackPressedDispatcher.addCallback(this) {
             if (list.isEmpty().not()) {
                 //说明有新增的食材
                 saveDataRemindDialog()
-            return
+                return@addCallback
             }
             if (pageFrom == HOME) {
                 startActivity<SamplingListActivity>()
             }
-        super.onBackPressed()
+            onBackPressedDispatcher.onBackPressed()
+        }
     }
 
     private fun saveDataRemindDialog() {

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

@@ -2,6 +2,7 @@ package com.shuwei.dish.match.ui
 
 import android.annotation.SuppressLint
 import android.os.Bundle
+import androidx.activity.addCallback
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.shuwei.dish.match.R
@@ -48,6 +49,7 @@ class HomeActivity : BaseActivity() {
                 BaseApp.canteenId = "0"
             }
         }
+        onBackPressedDispatcher.addCallback(this) {}
 //        binding.radioGroup.check(R.id.radioZk)
         initRecyclerView()
 //        HttpUtil.getAppToken()
@@ -164,12 +166,4 @@ class HomeActivity : BaseActivity() {
         }
     }
 
-    @Deprecated("Deprecated in Java")
-    @SuppressLint("GestureBackNavigation", "MissingSuperCall")
-    override fun onBackPressed() {
-        //super.onBackPressed()
-        //当前页面不允许返回
-        //dialog = toast("不允许返回操作")
-    }
-
 }

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

@@ -7,7 +7,7 @@ import android.os.Bundle
 import android.os.SystemClock
 import android.view.KeyEvent
 import android.view.animation.RotateAnimation
-import androidx.activity.OnBackPressedCallback
+import androidx.activity.addCallback
 import androidx.core.graphics.toColorInt
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
@@ -247,11 +247,9 @@ class InitActivity : BaseActivity() {
     }
 
     private fun addBackKeyListener() {
-        onBackPressedDispatcher.addCallback(this, object : OnBackPressedCallback(true) {
+        onBackPressedDispatcher.addCallback(this) {
-            override fun handleOnBackPressed() {
             // 禁用返回键，不执行任何操作
         }
-        })
     }
 
 }

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

@@ -19,6 +19,7 @@ import com.shuwei.dish.match.entity.CookFoodEntity
 import com.shuwei.dish.match.entity.CookFoodGoodsEntity
 import com.shuwei.dish.match.entity.FoodRecord
 import android.view.ViewGroup
+import androidx.activity.addCallback
 import androidx.lifecycle.lifecycleScope
 import com.shuwei.dish.match.databinding.LayoutCameraPreviewBinding
 import com.shuwei.dish.match.objbox.FoodModule
@@ -77,12 +78,13 @@ class PrepareCookActivity : BaseActivity() {
             }
         }, backAction = {
             it.setOnClickListener {
-                onBackPressed()
+                onBackPressedDispatcher.onBackPressed()
             }
         })
         food = intent.extras?.getSerializable(FOOD_ITEM) as FoodRecord?
         binding.tvDishName.text = food?.foodName ?: ""
         addViewClickListener()
+        addBackKeyListener()
 
         initCamera(binding.flCameraContainer)
         initRecyclerView()
@@ -303,14 +305,11 @@ class PrepareCookActivity : BaseActivity() {
     private var firstReqSize = 0
     private val list = mutableListOf<CookFoodGoodsEntity>()
     private val recognizeDialog by lazy {
-        FoodRecognizeDialog(this) { item ->
+        FoodRecognizeDialog(
-            // TODO: 处理识别结果选中
+            activity = this,
-        }
+            onDismiss = { isTakingPhoto.set(false) },
-        .apply {
+            onItemSelected = foodSelectCallback
-            setOnDismissListener {
+        )
-                isTakingPhoto.set(false)
-            }
-        }
     }
     private val dishPartAdapter by lazy {
         DishPartAdapter(list).apply {
@@ -413,28 +412,18 @@ class PrepareCookActivity : BaseActivity() {
         cameraUtils.setPreviewController(previewBinding.previewView)
     }
 
-    @Suppress("DEPRECATION")
+    /**
-    @SuppressLint("GestureBackNavigation")
+     * 注册返回键监听，替代已废弃的 onBackPressed()
-    @Deprecated("Deprecated in Java")
+     */
-    override fun onBackPressed() {
+    private fun addBackKeyListener() {
+        onBackPressedDispatcher.addCallback(this) {
             val count = list.count { !it.isOriginalData }
             if (count > 0) {
-            //说明有新增或者设置重量
                 saveDataRemindDialog()
-            return
+                return@addCallback
+            }
+            finish()
         }
-//        if (list.size > firstReqSize) {
-//            //说明有新增的食材
-//            saveDataRemindDialog()
-//            return
-//        }
-//        val filterResult = list.firstOrNull { (it.useWeight ?: 0.toDouble()) > 0.toDouble() }
-//        if (filterResult != null) {
-//            //说明有称重的数据
-//            saveDataRemindDialog()
-//            return
-//        }
-        super.onBackPressed()
     }
 
     /**

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

@@ -4,6 +4,7 @@ import android.annotation.SuppressLint
 import android.content.Intent
 import android.os.Bundle
 import android.view.LayoutInflater
+import androidx.activity.addCallback
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -47,6 +48,7 @@ class SamplingListActivity : BaseActivity() {
         initRecyclerView()
         addViewListener()
         requestData(true)
+        onBackPressedDispatcher.addCallback(this) {  }
     }
 
 
@@ -95,14 +97,6 @@ class SamplingListActivity : BaseActivity() {
         refreshPage(isCooking)
     }
 
-    @Deprecated("Deprecated in Java")
-    @SuppressLint("GestureBackNavigation", "MissingSuperCall")
-    override fun onBackPressed() {
-        //super.onBackPressed()
-        //当前页面不允许返回
-        //dialog = toast("不允许返回操作")
-    }
-
     private var list: MutableList<FoodRecord> = mutableListOf()
     private val dishAdapter by lazy {
         SamplingAdapter(list = list).apply {

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

@@ -1,9 +1,8 @@
 package com.shuwei.dish.match.ui
 
-import android.annotation.SuppressLint
 import android.content.Intent
 import android.os.Bundle
-import androidx.activity.viewModels
+import androidx.activity.addCallback
 import androidx.lifecycle.ViewModelProvider
 import com.shuwei.dish.match.R
 import com.shuwei.dish.match.base.BaseActivity
@@ -13,8 +12,6 @@ import com.shuwei.dish.match.db.AppRepository
 import com.shuwei.dish.match.dialog.DialogTool
 import com.shuwei.dish.match.entity.CookFoodEntity
 import com.shuwei.dish.match.entity.FoodRecord
-import com.shuwei.dish.match.entity.FoodRecordBean
-import com.shuwei.dish.match.net.NetViewModel
 import com.shuwei.dish.match.ui.fragment.DishListFragment
 import com.shuwei.dish.match.utils.KeyboardUtil
 import com.shuwei.dish.match.utils.ext.addOnActionSearchListener
@@ -24,7 +21,6 @@ import com.shuwei.dish.match.utils.ext.toast
 import com.shuwei.dish.match.utils.ext.visible
 import com.shuwei.dish.match.viewmodel.AppViewModel
 import com.shuwei.dish.match.viewmodel.factory.AppFactory
-import kotlin.getValue
 
 class SelectDishActivity : BaseActivity() {
 
@@ -67,6 +63,7 @@ class SelectDishActivity : BaseActivity() {
         initViewModel()
         addViewListener()
         loadFragment()
+        onBackPressedDispatcher.addCallback(this) {}
     }
 
     private fun initViewModel() {
@@ -186,14 +183,6 @@ class SelectDishActivity : BaseActivity() {
         }
     }
 
-    @Deprecated("Deprecated in Java")
-    @SuppressLint("GestureBackNavigation", "MissingSuperCall")
-    override fun onBackPressed() {
-        //super.onBackPressed()
-        //当前页面不允许返回
-//        dialog = toast("不允许返回操作")
-    }
-
     private var isVisible = false
     override fun onResume() {
         super.onResume()

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

@@ -6,7 +6,7 @@ import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
-import androidx.activity.OnBackPressedCallback
+import androidx.activity.addCallback
 import com.shuwei.dish.match.base.BaseActivity
 import com.shuwei.dish.match.base.GlobalData
 import com.shuwei.dish.match.databinding.ActivitySlaveBinding
@@ -55,11 +55,9 @@ class SlaveActivity : BaseActivity() {
      * 禁用返回键，防止退回 InitActivity 后重复打开本页
      */
     private fun addBackKeyListener() {
-        onBackPressedDispatcher.addCallback(this, object : OnBackPressedCallback(true) {
+        onBackPressedDispatcher.addCallback(this) {
-            override fun handleOnBackPressed() {
             // 禁用返回键，不执行任何操作
         }
-        })
     }
 
     /**