然后，窗口按钮和标题淡出，Twitter面板逐渐淡入。

Then, the window button and title fade out, and the Twitter panel fades in.

youdao

有没有层间淡入淡出的内部方法？

Is there a built in way to fade between layers?

youdao

这是同时淡出淡入。

This is the cross-fade.

youdao

这是同时淡出淡入。

This is the cross-fade.

youdao