Q01

//
//  RetryAppDelegate.h
//
#import 

@interface RetryAppDelegate : NSObject 
{
    UIWindow *window;
}
@end


//
//  RetryAppDelegate.m
//
#import "RetryAppDelegate.h"
@implementation RetryAppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    printf("didFinishLabching\n");    
    //UIWindowクラスのwindowを新たに作成
    window = [[UIWindow alloc] initWithFrame:CGRectMake(50, 200, 150, 100)];
    window.backgroundColor = [UIColor cyanColor];
    [window makeKeyAndVisible];   
    return YES;
}
@end

//
//  main.m
//
#import 
#import "MyAppDelegate.h"
//一番最初に読み込み、このループが終了するとアプリが終了する。
int main(int argc, char *argv[])

{
    @autoreleasepool {
        printf("start\n");
        return UIApplicationMain(argc, argv, nil, @"RetryAppDelegate");
    }
    
    printf("end\n");
    
}