Method setColor

app/src/main/java/eu/faircode/email/StyleHelper.java:763–783

(EditText etBody, int start, int end, Integer color, boolean select)

    }

    static void setColor(EditText etBody, int start, int end, Integer color, boolean select) {
        Log.breadcrumb("style", "action", "color");

        Editable edit = etBody.getText();
        ForegroundColorSpan spans[] = edit.getSpans(start, end, ForegroundColorSpan.class);
        for (ForegroundColorSpan span : spans) {
            int s = edit.getSpanStart(span);
            int e = edit.getSpanEnd(span);
            int f = edit.getSpanFlags(span);
            edit.removeSpan(span);
            splitSpan(edit, start, end, s, e, f, false,
                    new ForegroundColorSpan(span.getForegroundColor()),
                    new ForegroundColorSpan(span.getForegroundColor()));
        }

        if (color != null)
            edit.setSpan(new ForegroundColorSpan(color), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

        etBody.setText(edit);
        etBody.setSelection(select ? start : end, end);
    }

    static boolean selectFont(LifecycleOwner owner, View anchor, EditText etBody, int start, int end, boolean select) {
        Log.breadcrumb("style", "action", "selectFont");