扩展坞settings= Developer options= Default USB configuration 里面有一个USB tethering有这个选项 是干嘛的？The application could not be installed: INSTALL_FAILED_SHARED_USER_INCOMPATIBLE Installation failed due to: 'Error code: 'INSTALL_FAILED_SHARED_USER_INCOMPATIBLE', message='INSTALL_FAILED_SHARED_USER_INCOMPATIBLE: Reconciliation failed...: Reconcile failed: Packagehas no signatures that match those in shared user android.uid.system; ignoring!'' List of apks: [0] 'C:\work\ver\ app\build\intermediates\apk\debug\app-debug.apk'Package com.verifone.hqa has no signatures that match those in shared user android.uid.system”简单来说，你在AndroidManifest.xml中配置了android:sharedUserId="android.uid.system"，