ReturnMeToAppDelegate,appDelegate undeclared first use in function

[ankurdhikoli]

ReturnMeToAppDelegate undeclared first use in function
appDelegate undeclared first use in function


this is the code showing error


ReturnMeToAppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];

[RLScott]

Originally Posted by ankurdhikoli

ReturnMeToAppDelegate undeclared first use in function
appDelegate undeclared first use in function


this is the code showing error


ReturnMeToAppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];

Normally, ReturnMeToAppDelegate would be defined in a .H file, something like this:

@interface ReturnMeToAppDelegate : NSObject <UIApplicationDelegate> {...

Do you have such a .H file and is it included or imported into the file that contains the code you posted?

[ankurdhikoli]

Originally Posted by RLScott

Normally, ReturnMeToAppDelegate would be defined in a .H file, something like this:

@interface ReturnMeToAppDelegate : NSObject <UIApplicationDelegate> {...

Do you have such a .H file and is it included or imported into the file that contains the code you posted?

please tell me how to declare that in .h file i know it should be declared there but dont know how.. i am new to iphone actually copied this code from book..

[ankurdhikoli]

//
//  returntomeAppDelegate.m
//  returntome
//
//  Created by Ankur on 10/13/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import "returntomeAppDelegate.h"
#import "returntomeViewController.h"

NSString *kNumberLocationKey = @"NumberLocation";

@implementation returntomeAppDelegate


@synthesize window;
@synthesize viewController;
@synthesize savedNumber;


#pragma mark -
#pragma mark Application lifecycle

- (void)applicationDidFinishLaunching: (UIApplication *) application {
	
	self.savedNumber = [[NSUserDefaults standardUserDefaults]
						objectForKey:kNumberLocationKey]; 
	if (savedNumber == nil) 
	{
		savedNumber = @"9958232127";
		NSDictionary *savedNumberDict = [NSDictionary
										 dictionaryWithObject:savedNumber
										 forKey:kNumberLocationKey];
		[[NSUserDefaults standardUserDefaults]
		 registerDefaults:savedNumberDict];
	}
	[window addSubview:viewController.view];
	[window makeKeyAndVisible];
}

- (void)applicationWillResignActive:(UIApplication *)application {
    /*
     Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
     Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
     */
}


- (void)applicationDidEnterBackground:(UIApplication *)application {
    /*
     Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 
     If your application supports background execution, called instead of applicationWillTerminate: when the user quits.
     */
}


- (void)applicationWillEnterForeground:(UIApplication *)application {
    /*
     Called as part of  transition from the background to the inactive state: here you can undo many of the changes made on entering the background.
     */
}


- (void)applicationDidBecomeActive:(UIApplication *)application {
    /*
     Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
     */
}


- (void)applicationWillTerminate:(UIApplication *)application {
    /*
     Called when the application is about to terminate.
     See also applicationDidEnterBackground:.
     */
	[[NSUserDefaults standardUserDefaults]
	 setObject:savedNumber forKey:kNumberLocationKey];
}


#pragma mark -
#pragma mark Memory management

- (void)applicationDidReceiveMemoryWarning:(UIApplication *)application {
    /*
     Free up as much memory as possible by purging cached data objects that can be recreated (or reloaded from disk) later.
     */
}


- (void)dealloc {
    [viewController release];
    [window release];
    [super dealloc];
}


@end



//
//  returntomeAppDelegate.h
//  returntome
//
//  Created by Ankur on 10/13/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import <UIKit/UIKit.h>

@class returntomeViewController;

@interface returntomeAppDelegate: NSObject <UIApplicationDelegate>
{
    UIWindow *window;
    returntomeViewController *viewController;
	NSString *savedNumber;
}

@property (nonatomic, retain) IBOutlet UIWindow *window;
@property (nonatomic, retain) IBOutlet returntomeViewController *viewController;
@property (nonatomic,retain) NSString *savedNumber; 
@end