I am developing an app like Notepad in which I want to change the selected text formatting dynamically (colors, changing font styles, bold, italic, underline etc.) How can I format a specific word?
You can get the selected word using getSelectionStart()
and getSelectionEnd()
method :
EditText etx=(EditText)findViewById(R.id.editext);
int startSelection=etx.getSelectionStart();
int endSelection=etx.getSelectionEnd();
String selectedText = etx.getText().substring(startSelection, endSelection);
Then you can apply your specific formatting by using this selected substring in the full string after taking it to a SpannableStringBuilder on a button click/some other event:
int startSelection=etx.getSelectionStart();
int endSelection=etx.getSelectionEnd();
final SpannableStringBuilder sb = new SpannableStringBuilder(etx.getText().toString());
final StyleSpan bss = new StyleSpan(android.graphics.Typeface.BOLD); // Span to make text bold
final StyleSpan iss = new StyleSpan(android.graphics.Typeface.ITALIC); // Span to make text italic
sb.setSpan(iss, startSelection, endSelection, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
sb.setSpan(bss, startSelection, endSelection, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
etx.setText(sb);
Reference.
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