Technical answers from my Stack Overflow history, with source links and licenses.
Showing 3 of 3 answers tagged syntax-highlighting
Exported May 9, 2026
Using string.indexOf(s) will get the first occurrence. Instead of having a map of keywords and using indexOf you could use a regular expression. I wrote this up real quick as an example: Screenshot of example EditText...
If I remove all spans before setting the new ForegroundColorSpan then I get the desired behavior. Unfortunately, this is a lot more work if an EditText has a lot of text. What I did for a fix: I'm not sure what changed...
Here are some suggestions: Use a Handler and a Runnable instead of TimerTask . I'm assuming you want to wait n milliseconds before calling textHighLighter(Editable s) after afterTextChanged(final Editable s) is invoked....