NSLayoutConstraint gives so many warnings if i simply add scrollview in it - ios

Question

I have stuck at problem, in my application i am adding UIScrollview programatically so i am adding NSLayoutConstraint for that but when i run this output is perfect what i want but it gives me so many warning,
So please help me to removing all this warnings,
My Code is :
- (void)viewDidLoad
{
[super viewDidLoad];
UIScrollView *sc=[UIScrollView new];
sc.translatesAutoresizingMaskIntoConstraints = NO;
[self.view addSubview:sc];
sc.backgroundColor=[UIColor purpleColor];
NSDictionary *viewsDictionary = NSDictionaryOfVariableBindings(sc);
NSArray *constraints = [NSLayoutConstraint constraintsWithVisualFormat:#"|-5-[sc]-5-|" options:0 metrics:nil views:viewsDictionary];
[self.view addConstraints:constraints];
constraints = [NSLayoutConstraint constraintsWithVisualFormat:#"V:|-5-[sc]-5-|"
options: NSLayoutFormatAlignAllRight
metrics:nil
views:viewsDictionary];
[self.view addConstraints:constraints];
}
Unnecessary warnings:
2014-02-27 15:08:26.763 TKScroller[2580:a0b] Unable to simultaneously satisfy constraints.
Probably at least one of the constraints in the following list is one you don't want. Try this: (1) look at each constraint and try to figure out which you don't expect; (2) find the code that added the unwanted constraint or constraints and fix it. (Note: If you're seeing NSAutoresizingMaskLayoutConstraints that you don't understand, refer to the documentation for the UIView property translatesAutoresizingMaskIntoConstraints)
(
"<NSLayoutConstraint:0x8da0df0 H:|-(10)-[UIView:0x8d95ef0] (Names: '|':UIScrollView:0x8d93800 )>",
"<NSAutoresizingMaskLayoutConstraint:0x8da6b10 h=--& v=--& UIView:0x8d95ef0.midX ==>"
)
Will attempt to recover by breaking constraint
<NSLayoutConstraint:0x8da0df0 H:|-(10)-[UIView:0x8d95ef0] (Names: '|':UIScrollView:0x8d93800 )>
Break on objc_exception_throw to catch this in the debugger.
The methods in the UIConstraintBasedLayoutDebugging category on UIView listed in <UIKit/UIView.h> may also be helpful.
2014-02-27 15:08:26.765 TKScroller[2580:a0b] Unable to simultaneously satisfy constraints.
Probably at least one of the constraints in the following list is one you don't want. Try this: (1) look at each constraint and try to figure out which you don't expect; (2) find the code that added the unwanted constraint or constraints and fix it. (Note: If you're seeing NSAutoresizingMaskLayoutConstraints that you don't understand, refer to the documentation for the UIView property translatesAutoresizingMaskIntoConstraints)
(
"<NSLayoutConstraint:0x8da15b0 V:|-(3)-[UIView:0x8d95ef0] (Names: '|':UIScrollView:0x8d93800 )>",
"<NSAutoresizingMaskLayoutConstraint:0x8da59d0 h=--& v=--& UIView:0x8d95ef0.midY ==>"
)
Will attempt to recover by breaking constraint
<NSLayoutConstraint:0x8da15b0 V:|-(3)-[UIView:0x8d95ef0] (Names: '|':UIScrollView:0x8d93800 )>
Break on objc_exception_throw to catch this in the debugger.
The methods in the UIConstraintBasedLayoutDebugging category on UIView listed in <UIKit/UIView.h> may also be helpful.
2014-02-27 15:08:26.766 TKScroller[2580:a0b] Unable to simultaneously satisfy constraints.
Probably at least one of the constraints in the following list is one you don't want. Try this: (1) look at each constraint and try to figure out which you don't expect; (2) find the code that added the unwanted constraint or constraints and fix it. (Note: If you're seeing NSAutoresizingMaskLayoutConstraints that you don't understand, refer to the documentation for the UIView property translatesAutoresizingMaskIntoConstraints)
(
"<NSLayoutConstraint:0x8da1580 UIView:0x8d95ef0.trailing == UIScrollView:0x8d93800.trailing - 10>",
"<_UIScrollViewAutomaticContentSizeConstraint:0x8da1200 UIScrollView:0x8d93800.contentWidth{id: 128} == 0.000000>",
"<NSAutoresizingMaskLayoutConstraint:0x8da6b10 h=--& v=--& UIView:0x8d95ef0.midX ==>",
"<NSAutoresizingMaskLayoutConstraint:0x8da6e00 h=--& v=--& H:[UIView:0x8d95ef0(0)]>"
)
Will attempt to recover by breaking constraint
<NSLayoutConstraint:0x8da1580 UIView:0x8d95ef0.trailing == UIScrollView:0x8d93800.trailing - 10>
Break on objc_exception_throw to catch this in the debugger.
The methods in the UIConstraintBasedLayoutDebugging category on UIView listed in <UIKit/UIView.h> may also be helpful.
2014-02-27 15:08:26.770 TKScroller[2580:a0b] Unable to simultaneously satisfy constraints.
Probably at least one of the constraints in the following list is one you don't want. Try this: (1) look at each constraint and try to figure out which you don't expect; (2) find the code that added the unwanted constraint or constraints and fix it. (Note: If you're seeing NSAutoresizingMaskLayoutConstraints that you don't understand, refer to the documentation for the UIView property translatesAutoresizingMaskIntoConstraints)
(
"<NSLayoutConstraint:0x8da15e0 UIView:0x8d95ef0.bottom == UIScrollView:0x8d93800.bottom - 3>",
"<_UIScrollViewAutomaticContentSizeConstraint:0x8da13a0 UIScrollView:0x8d93800.contentHeight{id: 133} == 0.000000>",
"<NSAutoresizingMaskLayoutConstraint:0x8da59d0 h=--& v=--& UIView:0x8d95ef0.midY ==>",
"<NSAutoresizingMaskLayoutConstraint:0x8da46f0 h=--& v=--& V:[UIView:0x8d95ef0(0)]>"
)
Will attempt to recover by breaking constraint
<NSLayoutConstraint:0x8da15e0 UIView:0x8d95ef0.bottom == UIScrollView:0x8d93800.bottom - 3>
Break on objc_exception_throw to catch this in the debugger.
The methods in the UIConstraintBasedLayoutDebugging category on UIView listed in <UIKit/UIView.h> may also be helpful.

Answer 1

From the error messages it looks like you also need to do:
self.view.translatesAutoresizingMaskIntoConstraints = NO;
These messages:
"<NSAutoresizingMaskLayoutConstraint:0x8da6b10 h=--& v=--& UIView:0x8d95ef0.midX ==>",
"<NSAutoresizingMaskLayoutConstraint:0x8da6e00 h=--& v=--& H:[UIView:0x8d95ef0(0)]>"
Lead me to believe that the parent view (self.view) is also converting autoresizing masks to constraints.

Answer 2

First: try advice #Jack Cox
Second:
in line
NSArray *constraints = [NSLayoutConstraint constraintsWithVisualFormat:#"|-5-[sc]-5-|" options:0 metrics:nil views:viewsDictionary];
you not say what about orientation V: or H:? try relpace this line:
NSArray *constraints = [NSLayoutConstraint constraintsWithVisualFormat:#"H:|-5-[sc]-5-|" options:0 metrics:nil views:viewsDictionary];
MB. your constraints array rewrite? Try it:
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:#"H:|-5-[sc]-5-|" options:0 metrics:nil views:viewsDictionary]];
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:#"V:|-5-[sc]-5-|" options: NSLayoutFormatAlignAllRight metrics:nil views:viewsDictionary];