ios - Problems saving values in NSUserDefaults -

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i have viewdidload: 

- (void)viewdidload {     [super viewdidload];     if (defaults == [cells objectatindex:0])     {         nsstring * myfile = [[nsbundle mainbundle]pathforresource:@"cells" oftype:@"plist"];         cells = [[nsmutablearray alloc]initwithcontentsoffile:myfile];     }     else     {         [defaults stringforkey:@"string1"];     } }

and viewwilldisappear have:

-(void)viewwilldisappear:(bool)animated {     string1 = [cells objectatindex:0];     [defaults setobject:string1 forkey:@"string1"]; }

but cannot data saved. know i'm doing wrong?

are setting defaults [nsuserdefaults standarduserdefaults] somewhere? also, why comparing first object in cells array? seems strange.

you've otherwise got idea correct. make sure viewwilldisappear method getting called. can call [nsuserdefaults synchronize] save changes immediately.

one last thing, aren't doing in else {} block. need assign value of [defaults stringforkey:@"string1"]; variable use it.


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