objective-c - 这种图片怎么拉伸，而保持图片的三角箭头处不要变形呢（iOS-OC）？

Question

Answer 1

Android has .9 image format, check it online for details, there are a lot of tutorials
Um. I just found out that it is for ios, so check it online "ios is similar to android.9"

Answer 2

• (UIImage *)resizableImageWithCapInsets:(UIEdgeInsets)capInsets

Answer 3

Cut this picture into two equal parts. Stretch the middle area of ​​each picture

Answer 4

Use this tool to play with it. The arrow in the middle or the show will do. If you use code, use the stretch method to stretch the image