Minimal-MainAppController.mm

// unity 2019.3

#import <UIKit/UIKit.h>
#import "UnityAppController.h"
#import <Commons/Commons-Swift.h>
#import "UnityInterface.h"

@interface MainAppController : UnityAppController<UIApplicationDelegate>
@end

@implementation MainAppController

- (void)preStartUnity {
    [super preStartUnity];
    // must set this first, lots of other swift code depends on UnitySendMessage
    [UnityInterfaceSw setUnitySendMessage: (^(const char * _Nonnull g, const char * _Nonnull m, const char * _Nonnull a) {
        UnitySendMessage(g, m, a);
    })];
}
@end

IMPL_APP_CONTROLLER_SUBCLASS(MainAppController)