Java PreferenceScreen類代碼示例

import android.preference.PreferenceScreen; //導入依賴的package包/類
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
    if (preference == mPowerSoundsVibrate) {
        CMSettings.Global.putInt(getContentResolver(),
                CMSettings.Global.POWER_NOTIFICATIONS_VIBRATE,
                mPowerSoundsVibrate.isChecked() ? 1 : 0);

    } else if (preference == mPowerSoundsRingtone) {
        launchNotificationSoundPicker(REQUEST_CODE_POWER_NOTIFICATIONS_RINGTONE,
                CMSettings.Global.getString(getContentResolver(),
                        CMSettings.Global.POWER_NOTIFICATIONS_RINGTONE));
    } else {
        // If we didn't handle it, let preferences handle it.
        return super.onPreferenceTreeClick(preferenceScreen, preference);
    }

    return true;
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
@Override
protected void onPreExecute() {
    autoExpandFolder = (ListPreference) findPreference(PREFERENCE_AUTO_EXPAND_FOLDER);
    autoExpandFolder.setEnabled(false);
    archiveFolder = (ListPreference) findPreference(PREFERENCE_ARCHIVE_FOLDER);
    archiveFolder.setEnabled(false);
    draftsFolder = (ListPreference) findPreference(PREFERENCE_DRAFTS_FOLDER);
    draftsFolder.setEnabled(false);
    sentFolder = (ListPreference) findPreference(PREFERENCE_SENT_FOLDER);
    sentFolder.setEnabled(false);
    spamFolder = (ListPreference) findPreference(PREFERENCE_SPAM_FOLDER);
    spamFolder.setEnabled(false);
    trashFolder = (ListPreference) findPreference(PREFERENCE_TRASH_FOLDER);
    trashFolder.setEnabled(false);

    if (!isMoveCapable) {
        PreferenceScreen foldersCategory =
                (PreferenceScreen) findPreference(PREFERENCE_CATEGORY_FOLDERS);
        foldersCategory.removePreference(archiveFolder);
        foldersCategory.removePreference(spamFolder);
        foldersCategory.removePreference(draftsFolder);
        foldersCategory.removePreference(sentFolder);
        foldersCategory.removePreference(trashFolder);
    }
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    if (mHavePrefs) {
        bindPreferences();
    }

    mInitDone = true;

    if (savedInstanceState != null) {
        Bundle container = savedInstanceState.getBundle(PREFERENCES_TAG);
        if (container != null) {
            final PreferenceScreen preferenceScreen = getPreferenceScreen();
            if (preferenceScreen != null) {
                preferenceScreen.restoreHierarchyState(container);
            }
        }
    }
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
@Override
public void onCreate(final Bundle icicle) {
    super.onCreate(icicle);
    addPreferencesFromResource(R.xml.prefs_screen_theme);
    final PreferenceScreen screen = getPreferenceScreen();
    final Context context = getActivity();
    final Resources res = getResources();
    final String[] keyboardThemeNames = res.getStringArray(R.array.keyboard_theme_names);
    final int[] keyboardThemeIds = res.getIntArray(R.array.keyboard_theme_ids);
    for (int index = 0; index < keyboardThemeNames.length; index++) {
        final KeyboardThemePreference pref = new KeyboardThemePreference(
                context, keyboardThemeNames[index], keyboardThemeIds[index]);
        screen.addPreference(pref);
        pref.setOnRadioButtonClickedListener(this);
    }
    final KeyboardTheme keyboardTheme = KeyboardTheme.getKeyboardTheme(context);
    mSelectedThemeId = keyboardTheme.mThemeId;
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
                                     Preference preference)
{
    boolean result =
        super.onPreferenceTreeClick(preferenceScreen, preference);

    // Set home as up
    if (preference instanceof PreferenceScreen)
    {
        Dialog dialog = ((PreferenceScreen)preference).getDialog();
        ActionBar actionBar = dialog.getActionBar();
        actionBar.setDisplayHomeAsUpEnabled(false);
    }

    return result;
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
/**
 * Initialize internal states of this object.
 *
 * @param context    the context for this application.
 * @param prefScreen a PreferenceScreen of PreferenceActivity or PreferenceFragment.
 * @return true if this application is an IME and has two or more subtypes, false otherwise.
 */
public boolean init(final Context context, final PreferenceScreen prefScreen) {
    mImm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
    mImi = getMyImi(context, mImm);
    if (mImi == null || mImi.getSubtypeCount() <= 1) {
        return false;
    }
    final Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS);
    intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, mImi.getId());
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
            | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
            | Intent.FLAG_ACTIVITY_CLEAR_TOP);
    mSubtypeEnablerPreference = new Preference(context);
    mSubtypeEnablerPreference.setIntent(intent);
    prefScreen.addPreference(mSubtypeEnablerPreference);
    updateSubtypeEnabler();
    return true;
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
/**
 * Gets the list of preferences in a PreferenceScreen
 *
 * @param p    preference to add to the list
 * @param list of preferences in the PreferenceScreen
 * @return a list of all the preferences
 */
private ArrayList<Preference> getPreferenceList(Preference p, ArrayList<Preference> list) {
    if (p instanceof PreferenceCategory || p instanceof PreferenceScreen) {
        PreferenceGroup prefGroup = (PreferenceGroup) p;

        final int prefCount = prefGroup.getPreferenceCount();

        for (int i = 0; i < prefCount; i++) {
            getPreferenceList(prefGroup.getPreference(i), list);
        }
    }

    if (!(p instanceof PreferenceCategory)) {
        list.add(p);
    }

    return list;
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
private void setKeys(PreferenceScreen screen)
{
	for(int i = 0; i < screen.getPreferenceCount(); i++)
	{
		Preference preference = screen.getPreference(i);
		String key = server + ";" + preference.getKey();
		preference.setKey(key);
		if(preference instanceof EditIntPreference)
			((EditIntPreference)preference).setInt(preference.getSharedPreferences().getInt(key, -1));
		else if(preference instanceof EditTextPreference)
			((EditTextPreference)preference).setText(preference.getSharedPreferences().getString(key, null));
		else if(preference instanceof ListPreference)
			((ListPreference)preference).setValue(preference.getSharedPreferences().getString(key, null));
		else if(preference instanceof CheckBoxPreference)
			((CheckBoxPreference)preference).setChecked(preference.getSharedPreferences().getBoolean(key, false));
		if(preference instanceof PreferenceScreen)
			setKeys((PreferenceScreen)preference);
	}
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.pref_wireless_socket);
    setHasOptionsMenu(true);

    PreferenceScreen preferenceScreen = this.getPreferenceScreen();

    PreferenceCategory preferenceCategory = new PreferenceCategory(preferenceScreen.getContext());
    preferenceCategory.setTitle("Wireless sockets");
    preferenceScreen.addPreference(preferenceCategory);

    for (int index = 0; index < WirelessSocketService.getInstance().GetDataList().getSize(); index++) {
        WirelessSocket wirelessSocket = WirelessSocketService.getInstance().GetDataList().getValue(index);

        SwitchPreference preference = new SwitchPreference(preferenceScreen.getContext());

        preference.setTitle(wirelessSocket.GetName());
        preference.setKey(wirelessSocket.GetSettingsKey());
        preference.setDefaultValue(false);

        preferenceCategory.addPreference(preference);

        bindPreferenceSummaryToValue(preference);
    }
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
    final String key = preference.getKey();
    switch (key) {
        case KEY_CHECK_UPDATE:
            mTask = CheckUpdateTask.getInstance(false);
            if (!mTask.getStatus().equals(AsyncTask.Status.RUNNING)) {
                mTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, getActivity());
            }
            return true;
        case KEY_CHANGELOG:
            ChangelogFragment changelogFrag = new ChangelogFragment();
            FragmentTransaction transaction = getFragmentManager().beginTransaction();
            transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
            transaction.replace(this.getId(), changelogFrag);
            transaction.addToBackStack(this.getClass().getName());
            transaction.commit();
            return true;
        default:
            OTALink link = LinkConfig.getInstance().findLink(key, getActivity());
            if (link != null) {
                OTAUtils.launchUrl(link.getUrl(), getActivity());
            }
            break;
    }
    return super.onPreferenceTreeClick(preferenceScreen, preference);
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setRetainInstance(true);

    addPreferencesFromResource(R.xml.ota);

    mRomInfo = (PreferenceScreen) getPreferenceScreen().findPreference(KEY_ROM_INFO);
    mCheckUpdate = (PreferenceScreen) getPreferenceScreen().findPreference(KEY_CHECK_UPDATE);

    mUpdateInterval = (ListPreference) getPreferenceScreen().findPreference(KEY_UPDATE_INTERVAL);
    if (mUpdateInterval != null) {
        mUpdateInterval.setOnPreferenceChangeListener(this);
    }

    mLinksCategory = (PreferenceCategory) getPreferenceScreen().findPreference(CATEGORY_LINKS);
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
private void updateLinks(boolean force) {
    List<OTALink> links = LinkConfig.getInstance().getLinks(getActivity(), force);
    for (OTALink link : links) {
        String id = link.getId();
        PreferenceScreen linkPref = (PreferenceScreen) getPreferenceScreen().findPreference(id);
        if (linkPref == null && mLinksCategory != null) {
            linkPref = getPreferenceManager().createPreferenceScreen(getActivity());
            linkPref.setKey(id);
            mLinksCategory.addPreference(linkPref);
        }
        if (linkPref != null) {
            String title = link.getTitle();
            linkPref.setTitle(title.isEmpty() ? id : title);
            linkPref.setSummary(link.getDescription());
        }
    }
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
private void resetList() {
    getPreferenceScreen().removeAll();
    addPreferencesFromResource(R.xml.usb_device_preferences);

    PreferenceScreen preferenceScreen = getPreferenceScreen();
    Preference header = preferenceScreen.findPreference(PREF_OBJECT_NAME);
    header.setTitle(mUsbInfo.getName());
    header.setOnPreferenceClickListener(this);

    for (int i = 0; i < mSites.size(); ++i) {
        Website site = mSites.get(i);
        Preference preference = new WebsitePreference(getActivity(), site, mCategory);
        preference.getExtras().putSerializable(SingleWebsitePreferences.EXTRA_SITE, site);
        preference.setFragment(SingleWebsitePreferences.class.getCanonicalName());
        preferenceScreen.addPreference(preference);
    }

    // Force this list to be reloaded if the activity is resumed.
    mSites = null;
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
private void clearStoredData() {
    mSite.clearAllStoredData(
            new Website.StoredDataClearedCallback() {
                @Override
                public void onStoredDataCleared() {
                    PreferenceScreen preferenceScreen = getPreferenceScreen();
                    preferenceScreen.removePreference(
                            preferenceScreen.findPreference(PREF_CLEAR_DATA));
                    if (!hasUsagePreferences()) {
                        preferenceScreen.removePreference(
                                preferenceScreen.findPreference(PREF_USAGE));
                    }
                    popBackIfNoSettings();
                }
            });
}
 

import android.preference.PreferenceScreen; //導入依賴的package包/類
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
        Preference preference)
{
    Log.v(L.TAG, "onPreferenceTreeClick() for key " + preference.getKey());
    
    if("backupDb".equals(preference.getKey()))        
    {
        // TODO dialog: This will backup you current SimplyDo database. You
        // can access and manage these backups through mass storage 
        // access to you device. Make backup now to the file ....
        backupDbSelected();
    }
    else if("restoreDb".equals(preference.getKey()))        
    {
        Intent restoreActivity = new Intent(getBaseContext(), RestoreActivity.class);
        startActivity(restoreActivity);

    }
    
    // the android docs give no clues as to what the returned bool does
    return super.onPreferenceTreeClick(preferenceScreen, preference);
}