不正确的UIView边界/模拟器中的绘制 [英] Incorrect UIView bounds/drawing in the Simulator

问题描述

我创建了一个单视图测试应用程序，并在主故事板上的UIViewController中添加了UIButton和UIView.我已经调整了两个按钮的大小，使其具有相同的大小.

I've created a single-view test app and added a UIButton and UIView to the UIViewController in the main storyboard. I have resized both the button an view to have the same size.

在我的VC的-viewDidAppear:animated方法中，我转储了按钮和视图的边框和边界:

In my VC's -viewDidAppear:animated method I dump the frame and bounds of the button and view:

- (void)viewDidAppear:(BOOL)animated
{
    NSLog(@"button bounds: %@", NSStringFromCGRect(self.theButton.bounds));
    NSLog(@"button frame:  %@", NSStringFromCGRect(self.theButton.frame));

    NSLog(@"view bounds:   %@", NSStringFromCGRect(self.theView.bounds));
    NSLog(@"view frame:    %@", NSStringFromCGRect(self.theView.frame));
}

这是在模拟器中运行时的输出:

And here is the output when running in the simulator:

button bounds: {{0, 0},     {100, 100}}
button frame:  {{110, 72},  {100, 100}}
view bounds:   {{0, 0},     {100, 12}}
view frame:    {{110, 179}, {100, 12}}

在设备上运行时:

button bounds: {{0, 0},     {100, 100}}
button frame:  {{110, 72},  {100, 100}}
view bounds:   {{0, 0},     {100, 100}}
view frame:    {{110, 179}, {100, 100}}

我不明白为什么在模拟器中运行时视图报告高度为12.该视图在模拟器中绘制错误，但是在设备上运行时按预期绘制.请注意，UIViewController的最高UIVIew处于未选中状态的自动调整子视图"(尽管这两种方法都没有区别).

I do not understand why the view reports a height of 12 when running in the simulator. The view is drawn incorrectly in the simulator but draws as expected when run on a device. Note that the UIViewController's topmost UIVIew has "Autoresize Subviews" unchecked (although it doesn't make a difference either way).

(Xcode 4.5.2.iOS 6.0)

(Xcode 4.5.2. iOS 6.0)

谢谢， CS

推荐答案

在显示布局中单击应用Retina 4形状因数"按钮.您已经为Retina 4设置了此设置，因此在模拟器中运行时，屏幕的大小调整为3.5.您可以通过运行iPhone5模拟器(Retina 4英寸)来验证这一点.将形状系数切换为3.5英寸后，您会注意到高度更改为12.

Click the "Apply Retina 4 Form Factor" button in the display layout. You have this set for Retina 4 so the screen is resizing for 3.5 when running in the simulator. You can verify this by running the iPhone5 simulator (Retina 4 inch). You will notice the height changes to 12 after toggling the form factor to 3.5".

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