1.打开应用商店则取消下载任务

app/src/main/java/com/xhly/manageapp/AppAdapter.kt

@@ -1,5 +1,6 @@
 package com.xhly.manageapp
 
+import DownLoadUtils
 import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
@@ -81,6 +82,7 @@ class AppAdapter(var context: Context, var data: ArrayList<AppInfo>) :
                     Toaster.showLong("失败原因"+e.toString())
                 }finally {
                     if (destroyFlag){
+                        DownLoadUtils.destroyDownLoad()
                         InstallUtils.destroyInstallUtils()
                     }
                 }

app/src/main/java/com/xhly/manageapp/utils/DownLoadUtils.kt

@@ -5,6 +5,7 @@ import com.xhly.corelib.Const
 import com.xhly.corelib.utils.LogShow
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.cancel
 import kotlinx.coroutines.launch
 import java.util.LinkedList
 import java.util.Queue
@@ -13,7 +14,7 @@ object DownLoadUtils {
     val queue: Queue<DownloadItem> = LinkedList()
     var callbackList = mutableListOf<DownloadCallback>()
     var isRunning = false
-
+    var coroutineScope:CoroutineScope? =null
     fun isEmpty(): Boolean {
         return queue.isEmpty()
     }
@@ -59,8 +60,10 @@ object DownLoadUtils {
         if (isRunning) {
             return
         }
-        val coroutineScope = CoroutineScope(Dispatchers.IO)
-        coroutineScope.launch {
+        if (coroutineScope==null){
+            coroutineScope = CoroutineScope(Dispatchers.IO)
+        }
+        coroutineScope?.launch {
             while (queue.size > 0) {
                 isRunning = true
                 val downItem = queue.peek()
@@ -121,6 +124,12 @@ object DownLoadUtils {
         }
 
     }
+
+    fun destroyDownLoad(){
+        coroutineScope?.cancel()
+        isRunning=false
+        queue.clear()
+    }
 }
 
 data class DownloadItem(val url: String, val tag: String, val savepath: String, var progress: Int,var pkgName:String)