Android change color part of a string

Question

I have a string name "classe". It contains many words and phrases in it. But I want to change color when string contains the word "idiom". I did that programmatically, but it changed the color of all string "classe". I just want to change the color of "idiom" (a part of word, not the whole phrase). How can I do that programmatically?

    if (classe.contains("idiom")) {

        txtclasse.setTextColor(getResources().getColor(R.color.orange));
    }

Possible duplicate of Change part of text color within an "EditText" widget — jobbert
– jobbert, Commented May 3, 2016 at 15:08
Use ForegroundColorSpan. Refer here: stackoverflow.com/a/3514435/4586742 — Bob
– Bob, Commented May 3, 2016 at 15:10

Bob · Accepted Answer · 2016-05-03 15:50:13Z

8

Use ForegroundColorSpan.

if(classe != null && classe.contains(“idiom”))
{
    Spannable spannable = new SpannableString(classe);
    spannable.setSpan(new ForegroundColorSpan(Color.BLUE), classe.indexOf(“idiom”), classe.indexOf(“idiom”) + “idiom”.length(),     Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    txtclasse.setText(spannable);
}

answered May 3, 2016 at 15:50

Bob

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Comments

Murat Karagöz · Accepted Answer · 2016-05-03 15:11:11Z

2

You could use HTML to solve it.

origString = txtclasse.getText().toString();
origString = origString.replaceAll("idiom","<font color='red'>idiom</font>");

txtclasse.setText(Html.fromHtml(origString));

answered May 3, 2016 at 15:11

Murat Karagöz

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1 Comment

Holly Ikki Over a year ago

It didn't work! The whole string phrase were empty on screen :(

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