这种情况,很明显是ConstraintLayout 库没有安装支持,Support libraries for ConstraintLayout could not be installed/updated.
只需要打开 Preferences > Appearance & Behavior > System Settings > SDK Tools .安装图中勾选的即可。
这种情况,很明显是ConstraintLayout 库没有安装支持,Support libraries for ConstraintLayout could not be installed/updated.
只需要打开 Preferences > Appearance & Behavior > System Settings > SDK Tools .安装图中勾选的即可。