Xcode报错:Ensure that you have called the `containerBackground(for: .widget) {…}` modifier in your widget view.
在Xcode预览时,发现如下报错: 这是Widge …
Xcode报错:’release’ is unavailable: not available in automatic reference counting mode
问题描述 在ARC模式下,如果使用旧的(MRC)O …