for example, if you display a map of China, you will default to Beijing with red highlights. How to set it up? it doesn"t work even if you look it up on the Internet.
for example, if you display a map of China, you will default to Beijing with red highlights. How to set it up? it doesn"t work even if you look it up on the Internet.
https://blog.csdn.net/liuchon. is not sure if what you said is the same as this.