DALinedTextView is a UITextView subclass that draws ruled lines to the view, similar to iOS' built-in Notes app. The lines conform to the appropriate line-height for the currently set UIFont.
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DALinedTextView
DALinedTextViewExample
.gitignore
LICENSE.md
README.md
screenshot.png

README.md

DALinedTextView

DALinedTextView is a UITextView subclass that draws ruled lines to the view, similar to iOS' built-in Notes app. The lines conform to the appropriate line-height for the currently set UIFont.

DALinedTextView is special because it was built with performance and appropriate behavior in mind. Most Q&A and OSS solutions involve image-based backgrounds or overzealous drawing code. For most applications such implementations are great, but DALinedTextView was built with 1000-line (or more) UITextViews in mind.

Performance decisions are commented so as to provide insight into the thought process behind DALinedTextView. The current -drawRect: implementation takes as little as 1ms on an iPhone 5.

Screenshot

Installation

  • Copy over the DALinedTextView folder to your project folder.
  • #import "DALinedTextView.h"

Usage

Example project included (DALinedTextViewExample)

Notes

Compatibility

iOS7.0+

Automatic Reference Counting (ARC) support

DALinedTextView was made with ARC enabled by default.

Contact

If you use/enjoy DALinedTextView, let me know!

License

MIT License

Copyright (c) 2013 Daniel Amitay (http://www.danielamitay.com)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.