优化时间延迟

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

@@ -34,10 +34,9 @@ import com.sw.inbound.model.response.SearchGoodsInfo
 import com.sw.inbound.objbox.FoodModule
 import com.sw.inbound.sdk.SensorScaleUtils
 import com.sw.inbound.utils.BitmapCropper
-import com.sw.inbound.utils.BitmapSaver
 import com.sw.inbound.utils.CameraUtils
 import com.sw.inbound.utils.ImageUtil
-import com.sw.inbound.utils.ToastUtils
+import com.sw.inbound.utils.PreciseDelayHandler
 import com.sw.inbound.utils.ext.dp
 import com.sw.inbound.utils.ext.gone
 import com.sw.inbound.utils.ext.hideKeyboard
@@ -46,8 +45,6 @@ import com.sw.inbound.utils.ext.toJsonString
 import com.sw.inbound.utils.ext.toast
 import com.sw.inbound.viewmodel.ReceiptViewModel
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import timber.log.Timber
 import java.io.File
@@ -68,7 +65,7 @@ abstract class GoodsListActivity : ComponentActivity() {
         public const val IS_NEW_RECEIPT = "isNewReceipt"
 
         const val PAGE_SIZE = 10
-        private const val DELAY_TIME = 5 * 1000
+        private const val DELAY_TIME: Long = 3 * 1000
     }
 
     var isReceiptPage: Boolean = false
@@ -147,7 +144,7 @@ abstract class GoodsListActivity : ComponentActivity() {
             }
         }
         cameraUtils.setPreviewController(previewView)
-        startTime = System.currentTimeMillis()
+        //startTime = System.currentTimeMillis()
         binding.root.postDelayed({
             SensorScaleUtils.addWeightListener {
                 runOnUiThread {
@@ -202,7 +199,7 @@ abstract class GoodsListActivity : ComponentActivity() {
         recognizeFood()
     }
 
-    var startTime = 0L
+    //var startTime = 0L
     var isFirstRecognize = true
 
     private val takePhotoSuccessCallback: (Uri) -> Unit = { uri ->
@@ -215,16 +212,17 @@ abstract class GoodsListActivity : ComponentActivity() {
         }.start()
     }
 
+    private val delayHandler by lazy {
+        PreciseDelayHandler()
+    }
+
     fun delayRecognizeFood() {
-        if (abs(lastWeight) < 10) {
+        if (abs(lastWeight) < 10) return
-            return
+        delayHandler.precisePostDelayed(DELAY_TIME) {
-        }
+            runOnUiThread {
-        window.decorView.postDelayed(
-            {
                 recognizeFood()
-            },
+            }
-            DELAY_TIME.toLong()
+        }
-        )
     }
 
     fun recognizeFood() {
@@ -283,9 +281,6 @@ abstract class GoodsListActivity : ComponentActivity() {
                 targetWidth = 1000, targetHeight = 1300,
                 offsetX = 30, offsetY = 100
             )
-            if (bitmap.isRecycled.not()) {
-                bitmap.recycle()
-            }
 //            val file = BitmapSaver.saveToAppFilesDir(
 //                newBmp,
 //                this,
@@ -299,6 +294,9 @@ abstract class GoodsListActivity : ComponentActivity() {
             //foodList = foodList.map { it.split("WP")[0] }
 
             val foodList = FoodModule.getFoodScoreList(newBmp)
+            if (bitmap.isRecycled.not()) {
+                bitmap.recycle()
+            }
             if (newBmp.isRecycled.not()) {
                 newBmp.recycle()
             }

app/src/main/java/com/sw/inbound/dialog/GoodsRecognizeDialog.kt

@@ -61,7 +61,7 @@ class GoodsRecognizeDialog(
             goods = list[position]
         ) {
             activity?.addGoods(it)
-            activity?.startTime = System.currentTimeMillis()
+            //activity?.startTime = System.currentTimeMillis()
             dismiss()
         }.show()
     }
@@ -79,7 +79,7 @@ class GoodsRecognizeDialog(
         binding.ivClose.setOnClickListener {
             dismiss()
             activity?.delayRecognizeFood()
-            activity?.startTime = System.currentTimeMillis()
+            //activity?.startTime = System.currentTimeMillis()
         }
         binding.btnManuallyFind.setOnClickListener {
             findGoods()

app/src/main/java/com/sw/inbound/dialog/GoodsSearchDialog.kt

@@ -69,7 +69,7 @@ class GoodsSearchDialog(
                 goods =  list[clickIndex]
             ) {
                 activity?.addGoods(it)
-                activity?.startTime = System.currentTimeMillis()
+                //activity?.startTime = System.currentTimeMillis()
                 activity?.goodsRecognizeDialog?.dismiss()
                 dismiss()
             }.show()

app/src/main/java/com/sw/inbound/sdk/SensorScaleUtils.kt

@@ -2,13 +2,11 @@ package com.sw.inbound.sdk
 
 import android.os.Handler
 import android.os.Looper
-import com.sw.inbound.utils.MessageEvent
 import com.sw.inbound.utils.ThreadUtils
 import com.sw.inbound.utils.ToastUtils
 import com.wabon.wbintelligenthardwaresdk.api.SensorScale
 import com.wabon.wbintelligenthardwaresdk.api.SensorScale.OnScaleResult
 import kotlinx.coroutines.delay
-import org.greenrobot.eventbus.EventBus
 import timber.log.Timber
 import kotlin.math.roundToInt
 

app/src/main/java/com/sw/inbound/utils/ImageUtil.kt

@@ -9,10 +9,11 @@ object ImageUtil {
     fun uriToBitmap(context: Context, uri: Uri): Bitmap? {
         return try {
             val options = BitmapFactory.Options()
-            options.inSampleSize = 10; // 这会将图片的尺寸缩小到原来的1/2
+            options.inSampleSize = 2; // 这会将图片的尺寸缩小到原来的1/2
+            options.inJustDecodeBounds  = false
             options.inPreferredConfig = Bitmap.Config.RGB_565
             context.contentResolver.openInputStream(uri)?.use { stream ->
-                BitmapFactory.decodeStream(stream)
+                BitmapFactory.decodeStream(stream, null, options)
             }
         } catch (e: Exception) {
             e.printStackTrace()

app/src/main/java/com/sw/inbound/utils/PreciseDelayHandler.kt

@@ -0,0 +1,83 @@
+package com.sw.inbound.utils
+
+import android.os.Handler
+import android.os.Looper
+import android.os.SystemClock
+import android.util.Log
+
+class PreciseDelayHandler {
+    val TAG = "PreciseDelayHandler"
+
+    private val handler = Handler(Looper.getMainLooper())
+    private var isRunning = false
+    private var endTime = 0L
+
+    /**
+     * 精确延迟执行
+     * @param delayMillis 总延迟时间（毫秒）
+     * @param runnable 要执行的任务
+     */
+    fun precisePostDelayed(delayMillis: Long, block:()-> Unit) {
+        isRunning = true
+        endTime = SystemClock.uptimeMillis() + delayMillis
+
+        val ticker = object : Runnable {
+            override fun run() {
+                if (!isRunning) return
+
+                val now = SystemClock.uptimeMillis()
+                val interval = now - endTime
+                if (interval >= 0) {
+                    block()
+                    isRunning = false
+                } else {
+                    // 计算下一个整百毫秒时间点进行校准
+                    val next = now + (100 - now % 100)
+                    handler.postAtTime(this, next)
+                }
+            }
+        }
+        handler.post(ticker)
+    }
+
+    /**
+     * 精确循环执行
+     * @param interval 执行间隔（毫秒）
+     * @param runnable 要执行的任务
+     */
+    fun preciseLoop(interval: Long, block:()-> Unit) {
+        isRunning = true
+
+        val ticker = object : Runnable {
+            override fun run() {
+                if (!isRunning) return
+
+                val startTime = SystemClock.uptimeMillis()
+                block()
+
+                val elapsed = SystemClock.uptimeMillis() - startTime
+                val remainingDelay = interval - elapsed
+
+                if (remainingDelay > 0) {
+                    handler.postDelayed(this, remainingDelay)
+                } else {
+                    handler.post(this)
+                }
+            }
+        }
+        handler.post(ticker)
+    }
+
+    /**
+     * 取消所有延迟任务
+     */
+    fun cancelAll() {
+        isRunning = false
+        handler.removeCallbacksAndMessages(null)
+    }
+
+    /**
+     * 获取是否正在运行
+     */
+    fun isRunning(): Boolean = isRunning
+}