Android Development: How Can I Add Syntax Highlighting Features

I want to add syntax highlighting to my application. I'll be using syntax highlighting with PHP, HTML, CSS, XML and JavaScript.

How can I do this? I have a TextChanger set up on my EditText, which I want to use so that the syntax highlighting process occurs 开发者_开发知识库when the EditText gets changed.

I'm new to Android development and only know the basics. Thank you for reading.