SettingsActivity.java 文件源码

public static void setListPreferenceData(ListPreference lp, MultiSelectListPreference langsp, Set<String> values) {
    List<String> entries = new ArrayList<>();
    CharSequence[] entryValues = values.toArray(new CharSequence[entries.size()]);

    CharSequence[] allEntries = langsp.getEntries();

    for (String v : values) {
        entries.add((String) allEntries[langsp.findIndexOfValue(v)]);
    }

    lp.setEntries(entries.toArray(new CharSequence[entries.size()]));
    lp.setEntryValues(entryValues);
    lp.setDefaultValue(entryValues[0]);
    bindPreferenceSummaryToValue(lp);
}