Wednesday, May 29, 2013

UIActionSheet showFromRect example in Objective C (iOS).

UIActionSheet showFromRect

Displays an action sheet that originates from the specified view.

- (void)showFromRect:(CGRect)rect inView:(UIView *)view animated:(BOOL)animated

Parameters of [UIActionSheet showFromRect]
The portion of view from which to originate the action sheet.
The view from which to originate the action sheet.
Specify YES to animate the presentation of the action sheet or NO to present it immediately without any animation effects.

Discussion of [UIActionSheet showFromRect]
On iPad, this method displays the action sheet in a popover whose arrow points to the specified rectangle of the view. The popover does not overlap the specified rectangle.

UIActionSheet showFromRect example.
    //Omitted unnecessary objects

    UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:titleString delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:@"Delete" otherButtonTitles:@"Upload", nil];
    //actionSheet.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin;
    actionSheet.actionSheetStyle = UIActionSheetStyleBlackTranslucent;
    actionSheet.tag = ((UIButton*)sender).tag;
    [actionSheet showFromRect:[(UIButton*)sender frame] inView:[(UIButton*)sender superview] animated:YES];

Example of [UIActionSheet showFromRect].
UIDatePicker * pickerView = [[UIDatePicker alloc] initWithFrame:CGRectMake(0, 0, 270, 220)];
pickerView.datePickerMode = UIDatePickerModeDate;

UIActionSheet * actionSheet = [[UIActionSheet alloc] initWithTitle:@"\n\n\n\n\n\n\n\n\n\n\n\n\n" delegate:nil cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles: nil]; 

[actionSheet setActionSheetStyle:UIActionSheetStyleBlackTranslucent];
[actionSheet addSubview:pickerView];
[actionSheet showFromRect:button.frame inView:button.superview animated:YES];
[actionSheet release];

UIActionSheet showFromRect example.
CGRect cellRect = cell.bounds;
cellRect.size.width = cell.frame.size.width * 2;
cellRect.origin.x = -(cell.frame.size.width + 10.0);
[_actionSheet showFromRect:cellRect inView:cell animated:YES];

End of UIActionSheet showFromRect example article.