#include "objc/runtime.h"
@interface AppDelegate ()
@end
UIApplication *_tapplication;
void (*origMehtodImp)(id,SEL,SEL,id,id,UIEvent *);
void MethodSwizzle(Class c,Class c2,SEL origSEL,SEL overrideSEL)
{
Method origMethod = class_getInstanceMethod(c, origSEL);
Method overrideMethod= class_getInstanceMethod(c2, overrideSEL);
if(class_addMethod(c, origSEL, method_getImplementation(overrideMethod),method_getTypeEncoding(overrideMethod)))
{
class_replaceMethod(c,overrideSEL, method_getImplementation(origMethod), method_getTypeEncoding(origMethod));
}
else
{
method_exchangeImplementations(origMethod,overrideMethod);
}
}
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
_tapplication = application;
Method origMethod = class_getInstanceMethod([UIApplication class], @selector(sendAction:to:from:forEvent:));
origMehtodImp= method_getImplementation(origMethod);
MethodSwizzle([UIApplication class],[self class],@selector(sendAction:to:from:forEvent:),@selector(sendAction:to:from:forEvent:));
return YES;
}
- (BOOL)sendAction:(SEL)action to:(id)target from:(id)sender forEvent:(UIEvent *)event
{
NSLog(@"action =%s target=%@",action,target);
origMehtodImp(_tapplication,@selector(sendAction:to:from:forEvent:),action,target,sender,event);
return true;
}