Java MultiSelectListPreference.setOnPreferenceChangeListener方法代码示例

import android.preference.MultiSelectListPreference; //导入方法依赖的package包/类
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.custom_prefs);

    // This sample app uses shared preferences to maintain app restriction settings.  Your app
    // can use other methods to maintain the settings.
    mBooleanPref = (CheckBoxPreference) findPreference(KEY_BOOLEAN_PREF);
    mChoicePref = (ListPreference) findPreference(KEY_CHOICE_PREF);
    mMultiPref = (MultiSelectListPreference) findPreference(KEY_MULTI_PREF);

    mBooleanPref.setOnPreferenceChangeListener(this);
    mChoicePref.setOnPreferenceChangeListener(this);
    mMultiPref.setOnPreferenceChangeListener(this);

    setRetainInstance(true);
}
 

import android.preference.MultiSelectListPreference; //导入方法依赖的package包/类
private static void bindPreferenceSummaryToValue(MultiSelectListPreference preference) {
    // Set the listener to watch for value changes.
    preference.setOnPreferenceChangeListener(sBindPreferenceSummaryToValueListener);

    // Trigger the listener immediately with the preference's
    // current value.
    sBindPreferenceSummaryToValueListener.onPreferenceChange(preference,
            PreferenceManager
                    .getDefaultSharedPreferences(preference.getContext())
                    .getStringSet(preference.getKey(), null));
}
 

import android.preference.MultiSelectListPreference; //导入方法依赖的package包/类
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.settings);

    mRealm = Realm.getDefaultInstance();

    mCurrentPhoto = findPreference("current_photo");
    mNextPhoto = findPreference("next_photo");
    mLogin = findPreference("login");
    mCategories = (MultiSelectListPreference) findPreference("categories");
    mInterval = (ListPreference) findPreference("update_interval");

    mNextPhoto.setOnPreferenceClickListener(this);
    mLogin.setOnPreferenceClickListener(this);
    findPreference("clear_cache").setOnPreferenceClickListener(this);
    findPreference("contact").setOnPreferenceClickListener(this);

    mCategories.setOnPreferenceChangeListener(this);
    mInterval.setOnPreferenceChangeListener(this);
    findPreference("enable").setOnPreferenceChangeListener(this);
    findPreference("use_only_wifi").setOnPreferenceChangeListener(this);

    setCategoriesSummary(mCategories.getValues());
    mInterval.setSummary(mInterval.getEntry());
    findPreference("version").setSummary(BuildConfig.VERSION_NAME);

    if (!Utils.supportsParallax(getActivity())) {
        ((PreferenceCategory) findPreference("settings"))
                .removePreference(findPreference("use_parallax"));
    }

    WallpaperApplication.getBus().register(this);
    onUserUpdated(new UserUpdatedEvent());
}
 

import android.preference.MultiSelectListPreference; //导入方法依赖的package包/类
private void addAccountsPreference() {
    final String[] accounts = GmailExtension.getAllAccountNames(this);
    Set<String> allAccountsSet = new HashSet<String>();
    allAccountsSet.addAll(Arrays.asList(accounts));

    MultiSelectListPreference accountsPreference = new MultiSelectListPreference(this);
    accountsPreference.setKey(GmailExtension.PREF_ACCOUNTS);
    accountsPreference.setTitle(R.string.pref_gmail_accounts_title);
    accountsPreference.setEntries(accounts);
    accountsPreference.setEntryValues(accounts);
    accountsPreference.setDefaultValue(allAccountsSet);
    mFragment.getPreferenceScreen().addPreference(accountsPreference);

    Preference.OnPreferenceChangeListener accountsChangeListener
            = new Preference.OnPreferenceChangeListener() {
        @Override
        public boolean onPreferenceChange(Preference preference, Object value) {
            int numSelected = 0;
            int numTotal = accounts.length;

            try {
                //noinspection unchecked
                Set<String> selectedAccounts = (Set<String>) value;
                if (selectedAccounts != null) {
                    numSelected = selectedAccounts.size();
                }
            } catch (ClassCastException ignored) {
            }

            preference.setSummary(getResources().getQuantityString(
                    R.plurals.pref_gmail_accounts_summary_template,
                    numTotal, numSelected, numTotal));
            return true;
        }
    };

    accountsPreference.setOnPreferenceChangeListener(accountsChangeListener);
    accountsChangeListener.onPreferenceChange(accountsPreference,
            PreferenceManager
                    .getDefaultSharedPreferences(this)
                    .getStringSet(accountsPreference.getKey(), allAccountsSet));
}
 

import android.preference.MultiSelectListPreference; //导入方法依赖的package包/类
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    SettingsActivityComponent cmp = DaggerService.getDaggerComponent(getActivity());
    cmp.inject(this);

    mSettings.setCached(true);

    addPreferencesFromResource(R.xml.prefs_service);

    runWhen = (ListPreference) findPreference(ServiceSettings.RUN_WHEN);
    runWhen.setPersistent(false);
    runWhen.setValue(mSettings.runWhen());
    runWhen.setOnPreferenceChangeListener(this);

    onlyOnWifi = (CheckBoxPreference) findPreference(ServiceSettings.ONLY_WIFI);
    onlyOnWifi.setPersistent(false);
    onlyOnWifi.setChecked(mSettings.onlyOnWifi());
    onlyOnWifi.setOnPreferenceChangeListener(this);

    wifiNetwork = (MultiSelectListPreference) findPreference(ServiceSettings.WIFI_NETWORKS);
    wifiNetwork.setPersistent(false);
    String[] ssids = getWifiNetworks();
    wifiNetwork.setEntries(ssids);
    wifiNetwork.setEntryValues(ssids);
    wifiNetwork.setValues(mSettings.allowedWifiNetworks());
    wifiNetwork.setOnPreferenceChangeListener(this);

    onlyCharging = (CheckBoxPreference) findPreference(ServiceSettings.ONLY_CHARGING);
    onlyCharging.setPersistent(false);
    onlyCharging.setChecked(mSettings.onlyWhenCharging());
    onlyCharging.setOnPreferenceChangeListener(this);

    catBetween = (PreferenceCategory) findPreference("cat_between");
    hideShowRunWhenCategories(mSettings.runWhen());

    scheduleStart = (TimePreference) findPreference(ServiceSettings.RANGE_START);
    scheduleStart.setPersistent(false);
    scheduleStart.setValue(mSettings.getScheduledStartTime());
    scheduleStart.setOnPreferenceChangeListener(this);

    scheduleEnd = (TimePreference) findPreference(ServiceSettings.RANGE_END);
    scheduleEnd.setPersistent(false);
    scheduleEnd.setValue(mSettings.getScheduledEndTime());
    scheduleEnd.setOnPreferenceChangeListener(this);

    exportConfig = findPreference("export");
    exportConfig.setOnPreferenceClickListener(this);
    importConfig = findPreference("import");
    importConfig.setOnPreferenceClickListener(this);
}
 

import android.preference.MultiSelectListPreference; //导入方法依赖的package包/类
private void addAccountsPreference() {
    final String[] accounts = GmailExtension.getAllAccountNames(this);
    Set<String> allAccountsSet = new HashSet<String>();
    allAccountsSet.addAll(Arrays.asList(accounts));

    MultiSelectListPreference accountsPreference = new MultiSelectListPreference(this);
    accountsPreference.setKey(GmailExtension.PREF_ACCOUNTS);
    accountsPreference.setTitle(R.string.pref_gmail_accounts_title);
    accountsPreference.setEntries(accounts);
    accountsPreference.setEntryValues(accounts);
    accountsPreference.setDefaultValue(allAccountsSet);
    getPreferenceScreen().addPreference(accountsPreference);

    Preference.OnPreferenceChangeListener accountsChangeListener
            = new Preference.OnPreferenceChangeListener() {
        @Override
        public boolean onPreferenceChange(Preference preference, Object value) {
            int numSelected = 0;
            int numTotal = accounts.length;

            try {
                //noinspection unchecked
                Set<String> selectedAccounts = (Set<String>) value;
                if (selectedAccounts != null) {
                    numSelected = selectedAccounts.size();
                }
            } catch (ClassCastException ignored) {
            }

            preference.setSummary(getResources().getQuantityString(
                    R.plurals.pref_gmail_accounts_summary_template,
                    numTotal, numSelected, numTotal));
            return true;
        }
    };

    accountsPreference.setOnPreferenceChangeListener(accountsChangeListener);
    accountsChangeListener.onPreferenceChange(accountsPreference,
            PreferenceManager
                    .getDefaultSharedPreferences(this)
                    .getStringSet(accountsPreference.getKey(), allAccountsSet));
}
 

import android.preference.MultiSelectListPreference; //导入方法依赖的package包/类
private static void bindPreferenceSummaryToValue(MultiSelectListPreference preference,
        List<Account> accounts) {

    int len = accounts.size();
    CharSequence[] entries = new CharSequence[len];
    CharSequence[] entryValues = new CharSequence[len];
    Set<String> defaultValue = new HashSet<String>();

    Set<String> savedUuids = PreferenceManager.getDefaultSharedPreferences(
            preference.getContext()).getStringSet(preference.getKey(), null);

    // Populate MultiSelectListPreference with entries for all available accounts
    int i = 0;
    for (Account account : accounts) {
        defaultValue.add(account.uuid);
        entries[i] = account.name;
        entryValues[i] = account.uuid;
        i++;
    }
    preference.setEntries(entries);
    preference.setEntryValues(entryValues);

    // Check currently selected accounts
    Set<String> selectedAccounts;
    if (savedUuids == null) {
        // Select all accounts if there was no saved configuration
        selectedAccounts = defaultValue;
    } else {
        // Clear out accounts that no longer exist
        selectedAccounts = new HashSet<String>(savedUuids);
        for (Iterator<String> iter = selectedAccounts.iterator(); iter.hasNext(); ) {
            String accountUuid = iter.next();
            if (!defaultValue.contains(accountUuid)) {
                iter.remove();
            }
        }
    }
    preference.setValues(selectedAccounts);


    preference.setOnPreferenceChangeListener(sBindPreferenceSummaryToValueListener);
    sBindPreferenceSummaryToValueListener.onPreferenceChange(preference, selectedAccounts);

    preference.setEnabled(true);
}