Create a new class
Add Method
isa-swizzling
Test program:
Add a global breakpoint
objc_allocateClassPair
objc_registerClassPair
class_addMethod
And dynamically add properties in this class, the Runtime functions are primarily
1) .objc_allocateClassPair-- With this function, can create a class
2) .class_addIvar-- instance variables for this class add
3) .sel_registerName-- register a SEL method
4) .class_addMethod-- class added dynamically created method
5) .objc_registerClassPair-- created registered class
6) .class_getInstanceVariable-- acquired class instance variables
7) .object_setIvar-- of object variable assignment
8) .objc_disposeClassPair-- destruction created out of class
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