Why two layouts generate automatically (the white one and blue one in Android Studio 2021 for Windows
CodePudding user response:
As CommonsWare pointed out, you have Design Blueprint enabled, in the image I posted below you can click the button highlighted in red to select a different type of preview, good luck!
[edit] also here is the documentation page for the layout editor :) https://developer.android.com/studio/write/layout-editor