优化

app/src/main/java/com/sw/inbound/activity/FoodCollectionActivity.kt

@@ -2,6 +2,7 @@ package com.sw.inbound.activity
 
 import android.annotation.SuppressLint
 import android.app.Dialog
+import android.content.Context
 import android.graphics.Bitmap
 import android.net.Uri
 import android.os.Bundle
@@ -16,6 +17,8 @@ import androidx.core.view.updateLayoutParams
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.LinearLayoutManager
+import coil.ImageLoader
+import coil.annotation.ExperimentalCoilApi
 import com.sw.inbound.R
 import com.sw.inbound.adapter.FoodCollectionAdapter
 import com.sw.inbound.adapter.GoodsSearchAdapter
@@ -62,8 +65,8 @@ class FoodCollectionActivity : ComponentActivity() {
 
     companion object {
         const val TAG = "FoodCollectionActivity"
-        const val MAX_COUNT = 102
-        val PAGE_SIZE = 30
+        const val MAX_COUNT = 16
+        const val PAGE_SIZE = 30
     }
 
     private var box: Box<Food>? = null
@@ -131,7 +134,7 @@ class FoodCollectionActivity : ComponentActivity() {
         cameraUtils.setPreviewController(previewView)
         binding.btnBack.setOnClickListener { finish() }
         binding.rvFoodCollection.let {
-            it.layoutManager = GridLayoutManager(this, 3, GridLayoutManager.VERTICAL, false)
+            it.layoutManager = GridLayoutManager(this, 4, GridLayoutManager.VERTICAL, false)
             it.adapter = collectionAdapter
         }
 
@@ -251,6 +254,9 @@ class FoodCollectionActivity : ComponentActivity() {
 
     @SuppressLint("NotifyDataSetChanged")
     private fun clearData() {
+        val count = collectList.count { it.imageFile !=null }
+        if (count == 0) return
+        clearCoilCache(this)
         collectList.forEach {
             try {
                 if (it.bitmap?.isRecycled?.not() == true) {
@@ -574,6 +580,19 @@ class FoodCollectionActivity : ComponentActivity() {
         tvTip?.text = tip
     }
 
+    /**
+     * 清除Coil缓存
+     */
+    @OptIn(ExperimentalCoilApi::class)
+    fun clearCoilCache(context: Context) {
+        val imageLoader = ImageLoader.Builder(context).build()
+        // 清除内存缓存
+        imageLoader.memoryCache?.clear()
+        // 清除磁盘缓存
+        imageLoader.diskCache?.clear()
+    }
+
+
     data class RespData(
         var code: String? = null,
         var data: String? = null,