NSLayoutConstraint UIInputSetContainerView Status Bar
<p>platform: iOS  XCode
langugae:Objective-C 
When the status bars height is 40px,we run the code ,the error happened like the following</p>

<pre><code>     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. 
[
    &lt;NSLayoutConstraint:0x7fe903dd5940 UIInputSetContainerView:0x7fe903dd2e50.top == UITextEffectsWindow:0x7fe903e554b0.top + 20&gt;,
    &lt;NSLayoutConstraint:0x7fe903d82c00 UIInputSetContainerView:0x7fe903dd2e50.top == UITextEffectsWindow:0x7fe903e554b0.top&gt;
]

Will attempt to recover by breaking constraint 

    &lt;NSLayoutConstraint:0x7fe903dd5940  UInputSetContainerView:0x7fe903dd2e50.top == UITextEffectsWindow:0x7fe903e554b0.top&gt;
</code></pre>

<p>So what should I do?Window of AppDelegate changed position.</p>

<p><a href="http://i.stack.imgur.com/KjPSt.png" rel="nofollow">normal situation</a></p>

<p><a href="http://i.stack.imgur.com/hmMHH.png" rel="nofollow">problem</a></p>