运行时无法执行颤振应用程序

Posted 2023-02-23

【中文标题】运行时无法执行颤振应用程序

【英文标题】：Can not execute flutter app when I run it

【发布时间】：2021-04-19 00:24:35

【问题描述】：

当我运行颤振应用程序时，android 模拟器中没有任何反应，vscode 控制台显示此错误：

Launching lib\main.dart on Samsung Galaxy S8 in debug mode...
Running Gradle task 'assembleDebug'...
Exception in thread "main" java.lang.RuntimeException: Timeout of 120000 reached waiting for exclusive access to file: C:\Users\13\.gradle\wrapper\dists\gradle-5.6.2-all\9st6wgf78h16so49nn74lgtbb\gradle-5.6.2-all.zip
    at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:61)
    at org.gradle.wrapper.Install.createDist(Install.java:48)
    at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:128)
    at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
Running Gradle task 'assembleDebug'...
[!] Gradle threw an error while downloading artifacts from the network. Retrying to download...
Exception in thread "main" java.lang.RuntimeException: Timeout of 120000 reached waiting for exclusive access to file: C:\Users\13\.gradle\wrapper\dists\gradle-5.6.2-all\9st6wgf78h16so49nn74lgtbb\gradle-5.6.2-all.zip
    at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:61)
    at org.gradle.wrapper.Install.createDist(Install.java:48)
    at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:128)
    at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
[!] Gradle threw an error while downloading artifacts from the network. Retrying to download...
Exception: Gradle task assembleDebug failed with exit code 1

扑扑医生：

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 1.22.5, on Microsoft Windows [Version 10.0.19042.685], locale en-US)

[√] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
[!] Android Studio (version 4.1.0)
    X Flutter plugin not installed; this adds Flutter specific functionality.
    X Dart plugin not installed; this adds Dart specific functionality.
[√] VS Code (version 1.52.1)
[!] Connected device
    ! No devices available

! Doctor found issues in 2 categories.

顺便说一下 dart 和 flutter 插件都安装了。

【问题讨论】：

你的安卓模拟器没有打开，因此它显示! No devices available。

我在打开 android 模拟器时重复了多次该命令，但同样的问题。

正如它所说，你没有安装颤振和飞镖插件，这样做，check here

已经安装了。

【参考方案1】：

可能是缓存问题。请尝试以下步骤。

打开您的项目。 打开终端。 执行flutter clean 命令。 执行flutter run 命令。