Web您采用了錯誤的方式,首先您不應該對ios上的觸摸檢測感到困惑,它已經過預先配置和優化,可以通過手指觸摸正常運行,這就是為什么如果您觸摸,您的讀數通常會比實際觸摸的位置高一點。 Web13 sep. 2015 · 1. Creating a custom view. For adding the drawing code, create a subclass of UIView by adding a swift file to the project (Xcode: File -> New -> File Select iOS: Source -> Swift File) and call it “ simpleView “. Create a subclass of UIView as below and override the drawRect: method for writing the drawing code. 1. 2.
ios - Rescale a GCRect to a specific CGSize - Stack Overflow
Web11 feb. 2015 · Locate the following constraints in the Example I Scene. Open the Assistant Editor, and make sure it is the ExampleIViewController.swift that appears next to the storyboard on the split screen. Drag from the Center X Alignment – View – Username constraint to the ExampleIViewController class. Create an outlet named … WebCGRectInset (_:_:_:) Returns a rectangle that is smaller or larger than the source rectangle, with the same center point. iOS 2.0+ iPadOS 2.0+ macOS 10.0+ Mac Catalyst 13.0+ tvOS 9.0+ watchOS 2.0+ Xcode 7.2+ Declaration iOS, iPadOS, macOS, Mac Catalyst, tvOS, watchOS func insetBy( dx: CGFloat, dy: CGFloat ) -> CGRect flapjack comedy cape cod
Bounds and Center - Programming iOS 4 [Book]
Web17 mei 2024 · The humble CGRect struct might seem like a primitive beast, but it has a number of useful methods that let you adjust rectangles i a variety of ways. let rect1 = CGRect(x: 20, y: 20, width: 100, height: 100) let rect2 = CGRect(x: 50, y: 50, width: 100, height: 100) You can see that they overlap each other, and CGRect has three methods … Web1 jun. 2015 · Apple switched to layout margins in iOS 8. The advantage of adding constraints to margins instead of edges, is that your margin is now adaptive, and will adjust itself, based on the screen's traits. After I transitioned to constraining to margins (instead of edges), I really appreciated how it simplified layout, and eliminating having to adjust … Web11 mrt. 2024 · I've tried both CGRectInset and CGRectOffSet, but didn't work.. ... ios; objective-c; cgrect; Share. Improve this question. Follow edited Mar 11, 2024 at 6:28. Cœur. 36.4k 25 25 gold badges 191 191 silver badges 259 … flapjack comedy