Cocoa touch 创建滚动工具条

是否可以在Xcode中为iOS设备创建滚动

UIToolbar

？ 我使用的是Xcode版本4.5测试版

ViewController.m⬇ ViewController.h⬇

#导入
@界面ViewController:UIViewController
{
iBrollView*myScrollView；
ibuitoolbar*myToolBar；
IBUIBarbuttonItem*工具栏项；
}
@属性（强，非原子）UIWindow*window；
@结束

---

不工作：（只是我自己做的。你不能。你能做的最好的事情是放置一个工具栏并在上面添加一个UIScrollView。希望这有帮助。干杯！

是的，可以做-只是尝试一下（UI设计不是很好，但可能符合你的要求）。你必须设置scrollview的内容大小

将UIScrollView添加到情节提要中。在其中添加UIToolBar，并使其尽可能宽（可能比UIScrollView宽）。添加所需的任何工具栏项

为scrollView和工具栏（以及您的工具栏项目）创建IBOutlets。然后在

viewDidLoad

中设置

scrollView.contentSize

：

myScrollView.contentSize = CGSizeMake(myToolBar.frame.size.width, myToolBar.frame.size.height);

更新

请尝试以下代码以查看元素的实际维度

- (void)viewDidLoad
{
    [super viewDidLoad];

    myScrollView.contentSize = CGSizeMake(myToolBar.frame.size.width, myToolBar.frame.size.height);

    CGRect myScrollViewRect = myScrollView.frame;
    NSLog(@" myScrollView %f  %f  %f  %f", myScrollViewRect.origin.x,
          myScrollViewRect.origin.y,
          myScrollViewRect.size.width,
          myScrollViewRect.size.height);

    CGRect toolbarRect = myToolBar.frame;
    NSLog(@" toolbarRect %f  %f  %f  %f", toolbarRect.origin.x,
          toolbarRect.origin.y,
          toolbarRect.size.width,
          toolbarRect.size.height);
}

我得到了下面的输出。注意工具栏比scrollView宽多少？如果你的工具栏不宽，它就不会滚动（怎么可能-没有滚动的地方）

2012-07-10 14:29:34.494垃圾[4275:707]myScrollView 0.000000 605.000000 778.000000 128.000000 2012-07-10 14:29:34.498垃圾[4275:707]toolbarRect 0.000000 52.000000 1200.000000 44000000

---

希望这能帮助一些人。我在这里找到了答案：

基本上，您需要从超级视图中删除工具栏，重新设置工具栏的一些属性，将其设置为scrollview的子视图，然后将scrollview设置为最初删除的超级视图的子视图。所有内容都在该链接中。对我来说非常有效。

swift 4版本

func addToolBar(textField: UITextView){
let toolBar = UIToolbar()
toolBar.barStyle = UIBarStyle.default
toolBar.isTranslucent = true
toolBar.tintColor = UIColor(red: 76/255, green: 217/255, blue: 100/255, alpha: 1)
let bold = UIBarButtonItem(image: #imageLiteral(resourceName: "download 12.01.19.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(boldFunc))
let italic = UIBarButtonItem(image: #imageLiteral(resourceName: "italic-png-image-54776.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(italicFunc))
let underlined = UIBarButtonItem(image: #imageLiteral(resourceName: "underlined_font-512.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(underlineFunc))
let strikeThrough = UIBarButtonItem(image: #imageLiteral(resourceName: "Strikethrough_font_awesome.svg.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(strikeFunc))
let size = UIBarButtonItem(title: "\(fontSize)", style: UIBarButtonItemStyle.done, target: self, action: #selector(changeSize))
let textColor = UIBarButtonItem(image: #imageLiteral(resourceName: "text_color1600.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(changetextColor))
let backgroundColor = UIBarButtonItem(image: #imageLiteral(resourceName: "background color.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(changebackgroundColor))
let textLeft = UIBarButtonItem(image: #imageLiteral(resourceName: "left-27877_960_720.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(alignLeft))
let textRight = UIBarButtonItem(image: #imageLiteral(resourceName: "align_right_filled1600.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(alignRight))
let textCenter = UIBarButtonItem(image: #imageLiteral(resourceName: "center.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(alignCenter))
let pic = UIBarButtonItem(image: #imageLiteral(resourceName: "add.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(appendPic))
let bulletpoint = UIBarButtonItem(image: #imageLiteral(resourceName: "bulletpoint.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(makeBulletpoints))
toolBar.setItems([bold, italic, underlined, strikeThrough, size, textColor, backgroundColor, textLeft, textRight, textCenter, pic, bulletpoint], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
toolBar.frame = CGRect(x: 0, y: 0, width: 33 * 12, height: toolBar.frame.size.height)
textField.delegate = self
//////////try to add a scroll view
let scrollView = UIScrollView()
scrollView.frame = toolBar.frame;
scrollView.bounds = toolBar.bounds;
scrollView.autoresizingMask = toolBar.autoresizingMask;
scrollView.showsVerticalScrollIndicator = false;
scrollView.showsHorizontalScrollIndicator = false;
scrollView.contentSize = toolBar.frame.size;
scrollView.addSubview(toolBar)
textField.inputAccessoryView = scrollView
}

当你计算宽度时

toolBar.frame = CGRect(x: 0, y: 0, width: 33 * 12, height: toolBar.frame.size.height)

---

宽度将取决于您使用的按钮的大小。我有12个按钮，按钮上的所有图像都是25 x 25，还有一个带有文本的按钮。首先我写了25 x 12，但它们不适合，我想会自动添加一些边距，我没有详细说明按钮的大小是如何计算的，所以我只是尝试一下直到我找到适合我的数字后，我才开始使用它。

编辑你的问题，并用你构建它所采取的步骤（加上代码）。除非我对你要做的事情有不同的想法，否则在UIScrollView中嵌入工具栏可以很好地工作，如果工具栏比scrollView宽，它将滚动。2012-07-10 14:36:12.127 scrollView[5323:c07]myScrollView 0.0000000.0000000.0000000.0000002012-07-10 14:36:12.129 scrollView[5323:c07]toolbarRect 0.0000000.0000000.0000000.000000I刚刚更改了头文件中的一些代码，输出为：2012-07-10 14:38:40.487 scrollView[5371:c07]myScrollView 5.000000 111.000000 320.000000 252.000000 2012-07-10 14:38:40.489 scrollView[5371:c07]toolbarRect-15.000000 208.000000 394.000000 44.000000我现在得到一个滚动条，但它仍然不会移动。

func addToolBar(textField: UITextView){
let toolBar = UIToolbar()
toolBar.barStyle = UIBarStyle.default
toolBar.isTranslucent = true
toolBar.tintColor = UIColor(red: 76/255, green: 217/255, blue: 100/255, alpha: 1)
let bold = UIBarButtonItem(image: #imageLiteral(resourceName: "download 12.01.19.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(boldFunc))
let italic = UIBarButtonItem(image: #imageLiteral(resourceName: "italic-png-image-54776.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(italicFunc))
let underlined = UIBarButtonItem(image: #imageLiteral(resourceName: "underlined_font-512.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(underlineFunc))
let strikeThrough = UIBarButtonItem(image: #imageLiteral(resourceName: "Strikethrough_font_awesome.svg.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(strikeFunc))
let size = UIBarButtonItem(title: "\(fontSize)", style: UIBarButtonItemStyle.done, target: self, action: #selector(changeSize))
let textColor = UIBarButtonItem(image: #imageLiteral(resourceName: "text_color1600.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(changetextColor))
let backgroundColor = UIBarButtonItem(image: #imageLiteral(resourceName: "background color.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(changebackgroundColor))
let textLeft = UIBarButtonItem(image: #imageLiteral(resourceName: "left-27877_960_720.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(alignLeft))
let textRight = UIBarButtonItem(image: #imageLiteral(resourceName: "align_right_filled1600.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(alignRight))
let textCenter = UIBarButtonItem(image: #imageLiteral(resourceName: "center.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(alignCenter))
let pic = UIBarButtonItem(image: #imageLiteral(resourceName: "add.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(appendPic))
let bulletpoint = UIBarButtonItem(image: #imageLiteral(resourceName: "bulletpoint.png"), style: UIBarButtonItemStyle.done, target: self, action: #selector(makeBulletpoints))
toolBar.setItems([bold, italic, underlined, strikeThrough, size, textColor, backgroundColor, textLeft, textRight, textCenter, pic, bulletpoint], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
toolBar.frame = CGRect(x: 0, y: 0, width: 33 * 12, height: toolBar.frame.size.height)
textField.delegate = self
//////////try to add a scroll view
let scrollView = UIScrollView()
scrollView.frame = toolBar.frame;
scrollView.bounds = toolBar.bounds;
scrollView.autoresizingMask = toolBar.autoresizingMask;
scrollView.showsVerticalScrollIndicator = false;
scrollView.showsHorizontalScrollIndicator = false;
scrollView.contentSize = toolBar.frame.size;
scrollView.addSubview(toolBar)
textField.inputAccessoryView = scrollView
}

toolBar.frame = CGRect(x: 0, y: 0, width: 33 * 12, height: toolBar.frame.size.height)