android - actionbar如何设置标题文字大小

Question

搞了好久，搞不定，求指导！

Answer 1

Someone doesn’t 1111

Answer 2

Use toolbar and add:

to the xml file

app:titleTextAppearance="your textAppearance"

Or,
simply create a new textView in the toolbar (not recommended), the toolbar is a viewGroup.

Answer 3

. . Since I abandoned things like action bar, I feel that Android as a whole is a good thing. .
Directly go to full screen and write your own brain. . . Done.