Question

我在代码中添加了一个UIButton，但是当我在不同的设备上测试时，按钮不会调整大小并正确地重新定位，但是当我在Storyboard上添加相同的按钮时，它的行为正常...故事板的确如此没有启用Autolayout ......

EDIT3：在下面添加了UI的照片，较大的“Basics 2”按钮是故事板定义的一个....其余的在代码中定义

Ui photo

EDIT2：当我在Storyboard XML中查看行为正确的按钮时，它的定义如下，现在完整的故事板XML

<button hidden="YES" autoresizesSubviews="NO" opaque="NO" contentMode="center" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" id="ujO-uz-KyO">
                                            <rect key="frame" x="30" y="100" width="116" height="70"/>
                                            <autoresizingMask key="autoresizingMask" flexibleMinX="YES" widthSizable="YES" flexibleMaxX="YES" flexibleMinY="YES" heightSizable="YES" flexibleMaxY="YES"/>
                                            <inset key="imageEdgeInsets" minX="0.0" minY="27" maxX="72" maxY="0.0"/>
                                            <state key="normal" image="greenp.png" backgroundImage="basics2.png">
                                                <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
                                            </state>
                                        </button>

我添加了这样的按钮（编辑使用下面建议的代码，仍然不起作用）

  UIButton *button1 = [UIButton buttonWithType:UIButtonTypeCustom];
  button1.frame = [[butLocArr objectAtIndex:x] CGRectValue];
  button1.autoresizesSubviews = YES;
  [button1 setAutoresizingMask: UIViewAutoresizingFlexibleTopMargin |
UIViewAutoresizingFlexibleLeftMargin |
UIViewAutoresizingFlexibleBottomMargin |
UIViewAutoresizingFlexibleRightMargin |

UIViewAutoresizingFlexibleWidth |
UIViewAutoresizingFlexibleHeight];
//The view is a UiScrollView
 [scrollChallengeView addSubview:button1];

故事板添加按钮，行为正确，设置如下，我哪里错了？

enter image description here

Answer 1

设置UIViewAutoresizingFlexibleWidth和UIViewAutoresizingFlexibleHeight

[button1 setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight];

当您使用AutoresizingMask在IB中添加按钮时，它会在午餐后自动恢复。例如，屏幕宽度从320（在故事板中）增加到540px（在设备上），按钮大小按比例增加。当您以编程方式添加按钮时，它只是添加了，您应该根据屏幕大小手动计算按钮大小。自动调整按钮将调用旋转。所以你应该像这样计算宽度和高度：

CGFloat width  = k1 * [UIScreen mainScreen].bounds.size.width;
CGFloat height = k2 * width;

Answer 2

您需要使用UIViewAutoresizingFlexibleMargins

即

[button1 setAutoresizingMask:UIViewAutoresizingFlexibleMargins];

或

[button1 setAutoresizingMask:UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];

而不是

[button1 setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight];

Answer 3

在那个IB设置中你得到了：

灵活的边距（顶部，左侧，底部和右侧）;
灵活的尺寸（宽度和高度）;

因此自动调整遮罩应为

button1.autoresizingMask =
    UIViewAutoresizingFlexibleTopMargin |
    UIViewAutoresizingFlexibleLeftMargin |
    UIViewAutoresizingFlexibleBottomMargin |
    UIViewAutoresizingFlexibleRightMargin |

    UIViewAutoresizingFlexibleWidth |
    UIViewAutoresizingFlexibleHeight;

UIButton setAutoresizingMask无法以编程方式工作

3 个答案: