SettingsActivity.java 文件源码

protected void showSetSelections (MultiSelectListPreference set, Set<String> values) {
  StringBuilder label = new StringBuilder();

  if (values.size() > 0) {
    CharSequence[] labels = set.getEntries();

    for (String value : values) {
      if (value.length() > 0) {
        if (label.length() > 0) {
          label.append('\n');
        }

        label.append(labels[set.findIndexOfValue(value)]);
      }
    }
  } else {
    label.append("none selected");
  }

  set.setSummary(label.toString());
}