ios not found for architecture i

问题:

Undefined symbols for architecture i386:

"OBJC_CLASS$_FlutterFramework", referenced from:

  objc-class-ref in ViewController.o

ld: symbol(s) not found for architecture i386

clang: error: linker command failed with exit code 1 (use -v to see invocation)

解决:

缺少FlutterFramework
引入:FlutterFramework.framework