CODEWITHSUNDEEP
iosobjective-cvieworientation
Watsche
Watsche

Reputation: 438

self.view.frame.size change values at the same orientation

Some very strange issue for me: 

- (void)horizontalPickerView:(HorizontalPickerView *)picker didSelectElementAtIndex:(NSInteger)index {
    if (self.interfaceOrientation == UIInterfaceOrientationLandscapeLeft ||
        self.interfaceOrientation == UIInterfaceOrientationLandscapeRight) {
        sdashSize = CGRectMake(0.0f, 40.0f, self.view.frame.size.width, self.view.frame.size.height);
    } else {
        sdashSize = CGRectMake(0.0f, 40.0f, self.view.frame.size.height, self.view.frame.size.width - 40.0f);
    }
}

Like you see, I have a picker view. This method runs every time, that I select something in this picker view. So now if I rotate my iPhone into Landscape and go to the next view with this code, it runs once -> goes to if state and gives me size: 320 x 480. So now select some element at the same orientation and runs the same code (if state once again) gives me 480 x 320. I do not understand how could the same code at the same orientation could give me the different values.

Upvotes: 0

Views: 747

Answers (1)

KerrM
KerrM

Reputation: 5240

Don't use the frame property, use the bounds property. In essence:

  • A view's frame (CGRect) is the position of its rectangle in the superview's coordinate system. By default it starts at the top left.

  • A view's bounds (CGRect) expresses a view rectangle in its own coordinate system.

This answer explains further in depth what is going on.

Upvotes: 2

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