wechat openurl

gistfile1.txt

//// 检测微信OpenURL时回传参数和回调逻辑
@implementation UIApplication(MethodSwizzing)

static void MySetFrame(id self, SEL _cmd, NSURL* url);
static void (*SetFrameIMP)(id self, SEL _cmd, NSURL* url);


static void MySetFrame(id self, SEL _cmd, NSURL* url) {
    // do custom work
    NSLog(@" url : %@",url);
    SetFrameIMP(self, _cmd, url);
}


+ (void)load {
    [self swizzle:@selector(openURL:) with:(IMP)MySetFrame store:(IMP *)&SetFrameIMP];
}

typedef IMP *IMPPointer;


BOOL class_swizzleMethodAndStore(Class class, SEL original, IMP replacement, IMPPointer store) {
    IMP imp = NULL;
    Method method = class_getInstanceMethod(class, original);
    if (method) {
        const char *type = method_getTypeEncoding(method);
        imp = class_replaceMethod(class, original, replacement, type);
        if (!imp) {
            imp = method_getImplementation(method);
        }
    }
    if (imp && store) { *store = imp; }
    return (imp != NULL);
}



+ (BOOL)swizzle:(SEL)original with:(IMP)replacement store:(IMPPointer)store {
    return class_swizzleMethodAndStore(self, original, replacement, store);
}

@end