GemPreferenceFragment.java 文件源码

public void resetPreference(String pref)
{
  Preference p = findPreference(pref);
  if(p instanceof MultiSelectListPreference)
    ((MultiSelectListPreference)p).setValues(new HashSet<String>());
  else if(p instanceof GemListPreference)
    ((GemListPreference)p).resetValue();
  else if(p instanceof ColorPickerPreference)
    ((ColorPickerPreference)p).resetValue();
}