element at AndroidManifest.xml:9:5-32:19 to override.">Suggestion: add 'tools:replace="android:allowBackup"' to element at AndroidManifest.xml:9:5-32:19 to override.

Suggestion: add 'tools:replace="android:allowBackup"' to <application> element at AndroidManifest.xml:9:5-32:19 to override.

解决方法：

在app 即是项目的的 AndroidManifest.xml中添加配置：

Suggestion: add 'tools:replace="android:allowBackup"' to <application> element at AndroidManifest.xml:9:5-32:19 to override.

新错误：意思是没有给值

Suggestion: add 'tools:replace="android:allowBackup"' to <application> element at AndroidManifest.xml:9:5-32:19 to override.

完整的解决：

Suggestion: add 'tools:replace="android:allowBackup"' to <application> element at AndroidManifest.xml:9:5-32:19 to override.