1.在主线程执行安装任务

app/src/main/java/com/xhly/manageapp/ui/main/activity/MainActivity.kt

     }
 
     override fun onSuccess(downItem: DownloadItem) {
-        LogShow("开始安装")
        /* ManageApplication.installPackage(downItem.savepath)*/
-        runOnUiThread {
-            InstallUtils.addInstall(downItem.savepath,downItem.pkgName)
-        }
+        InstallUtils.addInstall(downItem.savepath,downItem.pkgName)
     }
 
     override fun onFailure(downItem: DownloadItem, errMsg: String) {

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

      * 下载文件
      */
     fun addDownload(url: String, tag: String, savepath: String,pkgName: String) {
+        LogShow("添加下载任务"+savepath)
         var isHave = false
         for (element in queue) {
             if (element.tag === tag) {

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

 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import java.util.LinkedList
 import java.util.Queue
 
                 installItem?.let {
                     isInstalling = true
                     //installApp(installItem.activity, installItem.savepath, installItem.packageName)
-                    ManageApplication.installPackage(installItem.savepath)
+                    withContext(Dispatchers.Main){
+                        ManageApplication.installPackage(installItem.savepath)
+                    }
                     while (isInstalling) {
                         delay(1000)
                     }

app/src/main/res/layout/activity_main.xml

                 android:layout_width="100dp"
                 android:layout_height="100dp"
                 android:text="管理页面"
-                android:visibility="visible" />
+                android:visibility="gone" />
 
 
             <LinearLayout