Android studio 的设计视图是空的

Question

我创建了一个新项目，设计视图是空的，我拖入的任何内容activity_main.xml都不可见。

Answer 1

请休耕这些步骤1- Go to your res folder and inside res folder.&nbsp; &nbsp; &nbsp; &nbsp; 2-Go to values.&nbsp; &nbsp; &nbsp; &nbsp; 3-Go to style.xml&nbsp; &nbsp; &nbsp; &nbsp; 4-change&nbsp; <!-- Base application theme. -->&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <stylename="AppTheme"parent="Theme.AppCompat.Light.DarkActionBar">&nbsp; &nbsp; &nbsp; &nbsp; to <stylename="AppTheme"parent="Base.Theme.AppCompat.Light.DarkActionBar">