Using Spannables like that is a headache -- this is probably the most straightforward way around:
String s = "The cold hand reaches for the %1$s %2$s Ellesse's";
String old = "<font color=\"blue\">old</font>";
String tan = "<strike>tan</strike>";
String formatted = String.format(s,old,tan); //The cold hand reaches for the <font color="blue">old</font> <strike>tan</strike> Ellesse's
Spannable spannable = Html.fromHtml(formatted);
Problem: this does not put in a StrikethroughSpan
. To make the StrikethroughSpan
, we borrow a custom TagHandler
from this question.
Spannable spannable = Html.fromHtml(text,null,new MyHtmlTagHandler());
MyTagHandler:
public class MyHtmlTagHandler implements Html.TagHandler {
public void handleTag(boolean opening, String tag, Editable output,
XMLReader xmlReader) {
if (tag.equalsIgnoreCase("strike") || tag.equals("s")) {
processStrike(opening, output);
}
}
private void processStrike(boolean opening, Editable output) {
int len = output.length();
if (opening) {
output.setSpan(new StrikethroughSpan(), len, len, Spannable.SPAN_MARK_MARK);
} else {
Object obj = getLast(output, StrikethroughSpan.class);
int where = output.getSpanStart(obj);
output.removeSpan(obj);
if (where != len) {
output.setSpan(new StrikethroughSpan(), where, len, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
}
}
}
private Object getLast(Editable text, Class kind) {
Object[] objs = text.getSpans(0, text.length(), kind);
if (objs.length == 0) {
return null;
} else {
for (int i = objs.length; i > 0; i--) {
if (text.getSpanFlags(objs[i - 1]) == Spannable.SPAN_MARK_MARK) {
return objs[i - 1];
}
}
return null;
}
}
}