Knife

Knife (extend EditText) is a rich text editor component for writing documents in Android.

Just select text and use one line code to style it!

Support Android 4.0+

Example

Here has a demo apk, and it's source code, very easy to understand~

More experiments see mthli/Type.

Api

• bold(boolean valid) bold the selected text.

• italic(boolean valid) italic the selected text.

• underline(boolean valid) <u>underline</u> the selected text.

• strikethrough(boolean valid) strikethrough the selected text.

• bullet(boolean valid) bullet the selected text.

• quote(boolean valid) quote the selected text.

• link(String link) and link(String link, int start, int end) to link the text.

• contains(int FORMAT) return true if the selected text contains the FORMAT.

• clearFormats() clear all formats.

• redo() when text changed, you can redo it!

• undo() when text change, you can also undo it!

• fromHtml() import from HTML file.

• toHtml() export as HTML file.

If you want to get more control of the editable text, just extend KnifeText to get all protected method.

Custom

• app:bulletColor

• app:bulletRadius

• app:bulletGapWidth

• app:historyEnable true to enable record history, so you can redo() and undo().

• app:historySize the record max limit.

• app:linkColor

• app:linkUnderline true to enable link underline.

• app:quoteColor

• app:quoteStripeWidth the quote line width.

• app:quoteCapWidth

TODO

• Insert image.

Gradle

At your top-level build.gradle file:

repositories {

  // ...
  maven {
 url 'https://jitpack.io' 
}
 
}
 

And then at your project build.gradle file:

dependencies {

  compile 'com.github.mthli:Knife:v1.1' 
}
 

Done!

Reference

• Spans, a Powerful Concept.

• Spanned | Android Developers

• core/java/android/text/Html.java - Google Git

Thanks

• Squire

• html-textview

License

Copyright 2015 Matthew Lee  Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.