ios autolayout

AutoLayout constraint for iOS development and autolayout for ios developmentPreface Ios devices are growing in size. For an app, you may need to adapt to multiple devices and sizes. Therefore, we hope our app canautoLayout. This article describes how to useconstraint. This a

1. Theoretical partDemo Example 1:UIView *blueview = [[UIView alloc] init]; Blueview.backgroundcolor = [Uicolor Bluecolor]; Do not convert Autoresizingmask to AutoLayout constraint blueview.translatesautoresizingmaskintoconstraints = NO; [Self.view Addsubview:blueview]; Add width constraint: nslayoutconstraint *widthconstraint = [Nslayoutconstraint constraintwithitem:blueview attribute: Nslayoutattributewidth relatedby:nslayoutrelationequ

What is AutoLayout (auto layout, relative layout)? In my superficial understanding, AutoLayout is a tool for describing the relationship between a view (control) and a view;Of course, this relationship includes a child view and a child view (such as a two button on a view), a relationship between the child view and the parent view (such as a button distance from the right edge of his parent view), a size re

using storyboard layout (there are many kinds of layout of iOS, storyboard is just one of them, I will say later), you can put your design of the control on this canvas, Define their position relationships based on the dimensions you have labeled, and the next AutoLayout will automatically fit each screen. It sounds like magic.Some people will have questions: I am based on the size of the iPhone6 design an

layout with constraints, and frames is calculated automatically. The difference between AutoLayout and autoresizing mask autoresizing Mask is an old friend of ours ... If you've always been a code-writing UI, you've definitely written enumerations such as Uiviewautoresizingflexiblewidth, and if you've used IB a lot before, you must have noticed the size of each view. Inspector has a red line in the autoresizing indicator and the corr

Today Bo Master has a AutoLayout demand, met some difficulties, here and we share, hope to progress together.1 . OverviewIn the previous IOS program, how did you set up the layout UI interface? (1) Often write a large number of coordinate calculation code(2) In order to ensure that the 3.5 inch and 4.0 inch screen can have a perfect UI interface effect, and sometimes need to write a different coordinate cal

1. autoresizingAutoresizing was the solution to Apple's early UI layout, and IOS6 was perfectly capable of Because the iphone only has a 3.5-inch screen, and the mobile app rarely supports a horizontal screen, iOS developers don't have to fit the layout any more, and all UI controls can be laid out relative to the parent control, yes autoresizing is a layout solution relative to the parent control; Note: It can only be laid out relative to the parent

1. autoresizingAutoresizing was the solution to Apple's early UI layout, and IOS6 was perfectly capable of Because the iphone only has a 3.5-inch screen, and the mobile app rarely supports a horizontal screen, iOS developers don't have to fit the layout any more, and all UI controls can be laid out relative to the parent control, yes autoresizing is a layout solution relative to the parent control; Note: It can only be laid out relative to the parent

example:The white view is the host view, using any of the constraints to determine a location and set it to be transparent to the background. Use the Red view as its subview and the center alignment to determine the position of the red view in its white host view. In this way, we do not have any effect on the red view when zooming, rotating, and so on:Self.otherView.transform = Cgaffinetransformscale (self.otherView.transform, 0.5, 0.5); self.otherView.transform = Cgaffinetransformrotate (Self.

IOS AutoLayout (1) and iosautolayout Original Blog, reprinted, please indicate the sourceBlog.csdn.net/hello_hwc Preface:AutoLayout is a key technology to adapt the UI to adaptive device size changes of controls. With the increasing size of IOS devices, it is difficult to use fixed numbers to arrange the UI as before.There are two ways to implement

In iOS 8, Tableview automatically adjusts the height and iostableview height based on AutoLayout. Original Blog, reprinted, please indicate the sourceBlog.csdn.net/hello_hwc Before iOS 8, If you want Tableview to automatically resize according to the content, you need to calculate the height of each cell dynamically. Tanima is a zombie. After

Original blog, reproduced please indicate the sourceBlog.csdn.net/hello_hwcBefore iOS 8, if you want TableView to automatically resize according to content, you need to dynamically calculate the height of each cell. Tainima Fucked up. After IOS 8, you can automatically adjust the height according to the AutoLayout, the principle is simple. DataSource Sel

Original blog, reproduced please indicate the sourceBlog.csdn.net/hello_hwcObjective:AutoLayout is a key technique for adapting the UI to adaptive control device size changes. As iOS device sizes become more and more, it's hard to lay out the UI with some fixed numbers as before.There are two ways to implement AutoLayout Storyboard Code There are three alternative ways to implement with st

IOS 8 AutoLayout and Size Class IOS8 and iPhone6 have been released for quite a long time. the vast amount of fruit powder has finally ushered in the big screen iPhone, and there is no need to worry about buying a Samsung iPhone for the big screen... But for iOS developers, there is a problem like Android development and development-> adaptation of various screen

IOS AutoLayout and SizeClass Automatic Layout (1)1. Autolayout) In Xcode, automatic layout seems to be a complicated system. I thought so before using it, but that is not the case. We know that the main UI component of an iOS app is composed of relatively independent visual units, which are mainly responsible for outp

end of the article.Fourth parameter: Specify the view to the right of the constraint View2The fifth parameter: Specifies the attribute attr2 of the VIEW2, the specific property is at the end of the article.Sixth parameter: Specifies a multiplier that multiplies the View2 property multiplierSeventh parameter: Specifies a floating-point number that is added to the View2 property constantThe control formula for this function is:VIEW1.ATTR1 Attention:1. If the constraint you want to set does not re

iOS interface layout Three--Pure code AutoLayout and layout animationFirst, IntroductionWith regard to the interface layout, Apple's strategy has matured and AutoLayout's advantages have been demonstrated in development. In addition to using storyboard to drag and drop layout constraints, sometimes we also need to do AutoLayout layout settings in code, masonry li

(blueView.superview.left).offset(20); make.bottom.equalTo(blueView.superview.bottom).offset(-20); make.right.equalTo(redView.left).offset(-20);}];// 添加redView的约束[redView makeConstraints:^(MASConstraintMaker *make) { make.bottom.equalTo(redView.superview.bottom).offset(-20); make.right.equalTo(redView.superview.right).offset(-20);}];Masonry framework provides a lot of sample programs, interested can open the above github link download down to study carefully, here is not much to write