How do I create a "delete" actionsheet in xcode?

How do I create a开发者_如何学Python delete confirmation like the one shown below?

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That is an instance of a UIActionSheet. The red button is called the "destructive button" and the black button, the "cancel button".

Here is a demo:

UIActionSheet *actSheet = [[UIActionSheet alloc] initWithTitle:@"The text to show on top. (Like the message about wiping the phone.)"delegate:nil cancelButtonTitle:@"Cancel" destructiveButtonTitle:@"Delete everything" otherButtonTitles:nil];
[actSheet ShowFromToolbar:self.toolbar];
[actSheet release];

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You need to use UIActionSheet.

You can create an ActionSheet like this

UIActionSheet *actionSheet = [[UIActionSheet alloc] 
                                initWithTitle:@”YOUR_ACTION_SHEET_TITLE” 
                                delegate:self 
                                cancelButtonTitle:@”Cancel” 
                                destructiveButtonTitle:@”Erase Iphone” 
                                otherButtonTitles:nil];
[actionSheet showInView:self.view];
[actionSheet release];//If you are not using ARC

You need to implement UIActionSheetDelegate method

- (void)actionSheet:(UIActionSheet *)actionSheet 
            clickedButtonAtIndex:(NSInteger)buttonIndex{

    if (buttonIndex == 0){
       //do your action
    }else if(buttonIndex == 1){
      // do your other action
    }
}

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If you want the same as shown in photo along with other button use the below UIActionSheet blog tutorial and if you want just standalone button follow the below SO post

How can I create a big, red UIButton with the iPhone SDK?

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Use InterfaceBuilder (or the equivalent editors in xCode4) to create the view. Write your view controller. Then animate the view to slide in from below using Core Animation.