How to import AppDelegate.h file in Pod project ViewController?

Question

I am new to the POD project. I want to update the pod project viewControllers,for that I need to access the AppDelegate class in Pod Project.

I have tried to update the Pod configuration file to access the AppDelegate but not able to get success.

Answer 1

You really don't want to create a circular dependency between your app and the pod. The recommended way to do this would be to define a protocol in the pod and make your AppDelegate implement that protocol.

@protocol PodArrayProvider
    - (NSArray *)arrayToAccess:
@end

// in AppDelegate.m
#import <Pod/Pod.h>

@extension AppDelegate () <PodArrayProvider>
@end

@implementation AppDelegate
- (NSArray *)arrayToAccess
{
    return self.realArray;
}
@end

// then in your pod, you can do:
id<PodArrayProvider> arrayProvider = (id<PodArrayProvider>)[[UIApplication sharedApplication] delegate];
NSAssert([arrayProvider conformsTo:@protocol(PodArrayProvider)], @"bad app delegate!");
NSArray *things = [arrayProvider arrayToAccess];

Something like the structure above should work, but I would urge you to rethink this architecture. The pod is a dependency of the app and shouldn't know anything about the app. The app should be telling the pod everything it needs to know.