RulerView | time scale - 时间刻度尺
kandi X-RAY | RulerView Summary
kandi X-RAY | RulerView Summary
time scale
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Top functions reviewed by kandi - BETA
- Implements the onDraw method
- Draw the ruler
- Draw ved area of Vedio Time slot
- Checks if the given time slot is contained in the given timeSlot
- Initializes the activity
- Initialize the ruler view
- Set Virtual TimeSlot
- Initialize the manager
- On zoom
- Initialize paint
- On touch event
- On bind view holder
- If the configuration has changed remove it from the GUI
RulerView Key Features
RulerView Examples and Code Snippets
Community Discussions
Trending Discussions on RulerView
QUESTION
I am trying to draw a ruler on top of UIScrollView. The way I do it is by adding a custom view called RulerView. I add this rulerView to superview of scrollView setting its frame to be same as frame of scrollView. I then do custom drawing to draw lines as scrollView scrolls. But the drawing is not smooth, it stutters as I scroll and the end or begin line suddenly appears/disappears. What's wrong in my drawRect?
...ANSWER
Answered 2020-Oct-27 at 14:11Your override func draw(_ rect: CGRect)
is very "heavy." I think you'll get much better performance by using a shape layer for your "tick marks" and letting UIKit
handle the drawing.
Edit - as per comments
Added numbering to the tick marks using CATextLayer
as sublayers.
Here's a sample RulerView
(using your tick mark dimensions and spacing):
QUESTION
So I am not fully understanding how this needs to be implemented in SwiftUI for it to work properly.
I have the following code:
...ANSWER
Answered 2020-Apr-18 at 04:04The UIView
needs to be wrapped into UIViewRepresentable
to be used in SwiftUI, like below.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install RulerView
You can use RulerView like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the RulerView component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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