UnhandledPromiseRejectionWarning：错误：从选择器“widget”修剪：Ionic

Question

当我尝试运行命令ionic cordova run android时，我得到的错误是

> cordova run android
(node:5304) UnhandledPromiseRejectionWarning: Error: Pruning at selector "widget" from "D:\project-1\project-1\frontend\platforms\android\res\xml\config.xml" went bad.
    at ConfigFile_prune_child [as prune_child] (D:\project-1\project-1\frontend\platforms\android\cordova\node_modules\cordova-common\src\ConfigChanges\ConfigFile.js:157:15)
    at PlatformMunger_apply_file_munge [as apply_file_munge] (D:\project-1\project-1\frontend\platforms\android\cordova\node_modules\cordova-common\src\ConfigChanges\ConfigChanges.js:80:41)
    at PlatformMunger.remove_plugin_changes (D:\project-1\project-1\frontend\platforms\android\cordova\node_modules\cordova-common\src\ConfigChanges\ConfigChanges.js:106:14)
    at D:\project-1\project-1\frontend\platforms\android\cordova\node_modules\cordova-common\src\PluginManager.js:126:29
    at _fulfilled (D:\project-1\project-1\frontend\platforms\android\cordova\node_modules\q\q.js:854:54)
    at self.promiseDispatch.done (D:\project-1\project-1\frontend\platforms\android\cordova\node_modules\q\q.js:883:30)
    at Promise.promise.promiseDispatch (D:\project-1\project-1\frontend\platforms\android\cordova\node_modules\q\q.js:816:13)
    at D:\project-1\project-1\frontend\platforms\android\cordova\node_modules\q\q.js:877:14
    at runSingle (D:\project-1\project-1\frontend\platforms\android\cordova\node_modules\q\q.js:137:13)
    at flush (D:\project-1\project-1\frontend\platforms\android\cordova\node_modules\q\q.js:125:13)
(node:5304) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:5304) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

我怎么解决这个问题？

Answer 1

跟着这些步骤。

1. 删除所有平台。

rm -rf platforms

2. 删除所有插件。

rm -rf plugins

3. 更新Cordova。

sudo npm update -g cordova

4. 再次添加平台。

ionic cordova platform add android

ionic cordova platform add ios

5. 运行应用程序

ionic cordova run android