iPhone: How do I override the back button in a Navigation Controller?
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Angelo Stracquatanio
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Published on 2011-01-07T20:49:19Z
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2011/01/07
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Hello,
In my app I have a basic Navigation Controller. For all of my views, except one, the controller works as it should.
However, for one view in particular, I would like the 'back' button to not go back to the previous view, but to go to one I set. In particular it is going to go back 2 views and skip over one.
After doing some research I found that I can intercept the view when it disappears, so I tried to put in code to have it navigate to the page I would like:
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
//i set a flag to know that the back button was pressed
if (viewPushed) {
viewPushed = NO;
} else {
// Here, you know that back button was pressed
mainMenu *mainViewController = [[mainMenu alloc] initWithNibName:@"mainMenu" bundle:nil];
[self.navigationController pushViewController:mainViewController animated:YES];
[mainViewController release];
}
}
That didn't work, so does anyone have any ideas?
Thanks!!
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