java类android.preference.PreferenceManager的实例源码

@Override
public void onReceive(Context context, Intent intent) {
    int reminderId = intent.getIntExtra("NOTIFICATION_ID", 0);

    if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean("checkBoxNagging", false)) {
        Intent alarmIntent = new Intent(context, NagReceiver.class);
        AlarmUtil.cancelAlarm(context, alarmIntent, reminderId);
    }

    // Close notification tray
    Intent closeIntent = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
    context.sendBroadcast(closeIntent);

    Intent snoozeIntent = new Intent(context, SnoozeDialogActivity.class);
    snoozeIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    snoozeIntent.putExtra("NOTIFICATION_ID", reminderId);
    context.startActivity(snoozeIntent);
}

/**
 * Returns true if the user prefers to see notifications from Sunshine, false otherwise. This
 * preference can be changed by the user within the SettingsFragment.
 *
 * @param context Used to access SharedPreferences
 * @return true if the user prefers to see notifications, false otherwise
 */
public static boolean areNotificationsEnabled(Context context) {
    /* Key for accessing the preference for showing notifications */
    String displayNotificationsKey = context.getString(R.string.pref_enable_notifications_key);

    /*
     * In Sunshine, the user has the ability to say whether she would like notifications
     * enabled or not. If no preference has been chosen, we want to be able to determine
     * whether or not to show them. To do this, we reference a bool stored in bools.xml.
     */
    boolean shouldDisplayNotificationsByDefault = context
            .getResources()
            .getBoolean(R.bool.show_notifications_by_default);

    /* As usual, we use the default SharedPreferences to access the user's preferences */
    SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);

    /* If a value is stored with the key, we extract it here. If not, use a default. */
    boolean shouldDisplayNotifications = sp
            .getBoolean(displayNotificationsKey, shouldDisplayNotificationsByDefault);

    return shouldDisplayNotifications;
}

private String GetText(float res) {

        if (!PreferenceManager.getDefaultSharedPreferences(getContext()).getBoolean("DECIMAL_USE", true)) {
            DecimalFormat decimalFormat = new DecimalFormat("###############");
            return decimalFormat.format(res);
        } else {
            switch (Integer.parseInt(PreferenceManager.getDefaultSharedPreferences(getContext()).getString("ROUNDIND_INFO", "0"))) {
                case 0:
                    return String.valueOf(res);
                case 1:
                    DecimalFormat single = new DecimalFormat("########.#");
                    return single.format(res);
                case 2:
                    DecimalFormat Double = new DecimalFormat("########.##");
                    return Double.format(res);
                case 3:
                    DecimalFormat triple = new DecimalFormat("########.###");
                    return triple.format(res);
                default:
                    return String.valueOf(res);
            }
        }
    }

/**
 * Returns the location coordinates associated with the location. Note that there is a
 * possibility that these coordinates may not be set, which results in (0,0) being returned.
 * Interestingly, (0,0) is in the middle of the ocean off the west coast of Africa.
 *
 * @param context used to access SharedPreferences
 * @return an array containing the two coordinate values for the user's preferred location
 */
public static double[] getLocationCoordinates(Context context) {
    SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);

    double[] preferredCoordinates = new double[2];

    /*
     * This is a hack we have to resort to since you can't store doubles in SharedPreferences.
     *
     * Double.doubleToLongBits returns an integer corresponding to the bits of the given
     * IEEE 754 double precision value.
     *
     * Double.longBitsToDouble does the opposite, converting a long (that represents a double)
     * into the double itself.
     */
    preferredCoordinates[0] = Double
             .longBitsToDouble(sp.getLong(PREF_COORD_LAT, Double.doubleToRawLongBits(0.0)));
    preferredCoordinates[1] = Double
            .longBitsToDouble(sp.getLong(PREF_COORD_LONG, Double.doubleToRawLongBits(0.0)));

    return preferredCoordinates;
}

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    sharedPref = PreferenceManager.getDefaultSharedPreferences(getActivity());
    frameLayout = (FrameLayout) getActivity().findViewById(R.id.content_frame);

    try {
        mahEncryptor = MAHEncryptor.newInstance(sharedPref.getString("saved_key", ""));
    } catch (Exception e) {
        e.printStackTrace();
        Snackbar.make(frameLayout, getString(R.string.toast_error), Snackbar.LENGTH_LONG).show();
    }

    addPreferencesFromResource(R.xml.user_settings_data);
    addBackup_dbListener();
    addWhiteListListener();
}

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // Sets up  user interface elements.
    setContentView(R.layout.main);

    mCustomConfig = (CheckBox) findViewById(R.id.custom_app_limits);
    final boolean customChecked =
            PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
                    CUSTOM_CONFIG_KEY, false);
    if (customChecked) mCustomConfig.setChecked(true);

    mMultiEntryValue = (TextView) findViewById(R.id.multi_entry_id);
    mChoiceEntryValue = (TextView) findViewById(R.id.choice_entry_id);
    mBooleanEntryValue = (TextView) findViewById(R.id.boolean_entry_id);
}

protected void readNetworkType(String fileName) {
  NetworkType defaultNetworkType;
  File directory = RobotConfigFileManager.CONFIG_FILES_DIR;
  File networkTypeFile = new File(directory, fileName);
  if (!networkTypeFile.exists()) {
    if (Build.MODEL.equals(Device.MODEL_410C)) {
      defaultNetworkType = NetworkType.SOFTAP;
    } else {
      defaultNetworkType = NetworkType.WIFIDIRECT;
    }
    writeNetworkTypeFile(NETWORK_TYPE_FILENAME, defaultNetworkType.toString());
  }

  String fileContents = readFile(networkTypeFile);
  networkType = NetworkConnectionFactory.getTypeFromString(fileContents);
  programmingModeController.setCurrentNetworkType(networkType);

  // update the preferences
  SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
  SharedPreferences.Editor editor = preferences.edit();
  editor.putString(NetworkConnectionFactory.NETWORK_CONNECTION_TYPE, networkType.toString());
  editor.commit();
}

public String getUserName() {

        String ret = "";
        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(mContext);
        String userstring = sharedPreferences.getString("trakt_user", "");
        try {
            JSONObject trakt_user = new JSONObject(userstring);
            ret = trakt_user.getJSONObject("user").getString("username");


        } catch (JSONException e) {
            e.printStackTrace();
        }
        return ret;


    }

/**
 * Returns the last time that a notification was shown (in UNIX time)
 *
 * @param context Used to access SharedPreferences
 * @return UNIX time of when the last notification was shown
 */
public static long getLastNotificationTimeInMillis(Context context) {
    /* Key for accessing the time at which Sunshine last displayed a notification */
    String lastNotificationKey = context.getString(R.string.pref_last_notification);

    /* As usual, we use the default SharedPreferences to access the user's preferences */
    SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);

    /*
     * Here, we retrieve the time in milliseconds when the last notification was shown. If
     * SharedPreferences doesn't have a value for lastNotificationKey, we return 0. The reason
     * we return 0 is because we compare the value returned from this method to the current
     * system time. If the difference between the last notification time and the current time
     * is greater than one day, we will show a notification again. When we compare the two
     * values, we subtract the last notification time from the current system time. If the
     * time of the last notification was 0, the difference will always be greater than the
     * number of milliseconds in a day and we will show another notification.
     */
    long lastNotificationTime = sp.getLong(lastNotificationKey, 0);

    return lastNotificationTime;
}

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.splash);
    // Here, this is the current activity
    PreferenceManager.setDefaultValues(this, R.xml.pref_settings, false);
    if (!permissionGranted()) {
        requestPermissions();
    } else {
        if (systemInstalled()) {
            startMainActivity();
        } else {
            installSystem();
        }
    }
}

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {

    View rootView = inflater.inflate(R.layout.fragment_lists, container, false);
    setHasOptionsMenu(true);

    sharedPref = PreferenceManager.getDefaultSharedPreferences(getActivity());

    editText = (EditText) getActivity().findViewById(R.id.editText);
    listBar = (TextView) getActivity().findViewById(R.id.listBar);
    listView = (ListView)rootView.findViewById(R.id.list);
    viewPager = (class_CustomViewPager) getActivity().findViewById(R.id.viewpager);

    //calling Notes_DbAdapter
    db = new DbAdapter_Reports(getActivity());
    db.open();

    return rootView;

}

/** 设置Key对应的String值 */
public static boolean setStringValue(Context context,String key, String value) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
    Editor editor = prefs.edit();
    editor.putString(key, value);
    return editor.commit();
}

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    PreferenceManager.setDefaultValues(this, R.xml.main_preferences, false);
    getFragmentManager().beginTransaction()
            .replace(android.R.id.content, new SettingsFragment())
            .commit();
}

/**
 * Saves location co-ordinates as string
 * @param context ¯\_(ツ)_/¯
 * @param longitude Longitude to be saved
 * @param latitude Latitude to be saved
 */
public static void putLocation(Context context, double longitude, double latitude) {
    PreferenceManager.getDefaultSharedPreferences(context)
            .edit()
            .putString(Constants.LAST_LOC_LONGITUDE, "" + longitude)
            .putString(Constants.LAST_LOC_LATITUDE, "" + latitude)
            .apply();
}

/**
 * Returns true if the latitude and longitude values are available. The latitude and
 * longitude will not be available until the lesson where the PlacePicker API is taught.
 *
 * @param context used to get the SharedPreferences
 * @return true if lat/long are saved in SharedPreferences
 */
public static boolean isLocationLatLonAvailable(Context context) {
    SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);

    boolean spContainLatitude = sp.contains(PREF_COORD_LAT);
    boolean spContainLongitude = sp.contains(PREF_COORD_LONG);

    boolean spContainBothLatitudeAndLongitude = false;
    if (spContainLatitude && spContainLongitude) {
        spContainBothLatitudeAndLongitude = true;
    }

    return spContainBothLatitudeAndLongitude;
}

public int getLength() {
    SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getContext());
    boolean v = preferences.getBoolean("EXTRA_SMALL_FONT", false);
    if (v)
        return 8;
    else
        return 6;
}

private void bindPreferenceSummaryToValue(Preference preference) {
    preference.setOnPreferenceChangeListener(this);
    SharedPreferences preferences =
            PreferenceManager.getDefaultSharedPreferences(preference.getContext());
    String preferenceString = preferences.getString(preference.getKey(), "");
    onPreferenceChange(preference, preferenceString);
}

public static boolean isTV(Context ct){
    SharedPreferences mPreferences = PreferenceManager.getDefaultSharedPreferences(ct);
    String mode = mPreferences.getString("uimode", "0");
    if (mode.equals("1"))
        return false;
    if (mode.equals("2"))
        return true;
    return ArchosFeatures.isTV(ct);
}

@Override
public void onReceive(Context context, Intent intent) {
    context = MakiApplication.getContextOfApplication();
    Intent startIntent = new Intent(context, MakiNotifications.class);
    SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
    if (preferences.getBoolean("notifications_activated", false) || preferences.getBoolean("messages_activated", false)) {
        context.startService(startIntent);
        Log.d("NotificationReceiver", "Notifications started");
    }else {
        context.stopService(startIntent);
        Log.d("PollReceiver", "Notifications canceled");
    }
}

/**
 * Resets the location coordinates stores in SharedPreferences.
 *
 * @param context Context used to get the SharedPreferences
 */
public static void resetLocationCoordinates(Context context) {
    SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
    SharedPreferences.Editor editor = sp.edit();

    editor.remove(PREF_COORD_LAT);
    editor.remove(PREF_COORD_LONG);
    editor.apply();
}

public static void editText_searchWeb (final EditText editText, final Activity activity) {

        SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(activity);

        List<String> listItems = new ArrayList<>();

        if (sharedPref.getBoolean("Google", true)) {
            listItems.add("Google");
        }if (sharedPref.getBoolean("Kiddle", true)) {
            listItems.add("Kiddle");
        }if (sharedPref.getBoolean("Kidrex", true)) {
            listItems.add("Kidrex");
        }if (sharedPref.getBoolean("Youtube", true)) {
            listItems.add("Youtube");
        }
        final CharSequence[] options = listItems.toArray(new CharSequence[listItems.size()]);

        new AlertDialog.Builder(activity)
                .setTitle(R.string.action_searchChooseTitle)
                .setItems(options, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int item) {
                        if (options[item].equals("Google")) {
                            editText.setText(".G ");
                        }
                        if (options[item].equals("Kidrex")) {
                            editText.setText(".R ");
                        }
                        if (options[item].equals("Kiddle")) {
                            editText.setText(".K ");
                        }
                        if (options[item].equals("Youtube")) {
                            editText.setText(".Y ");
                        }

                        editText.setSelection(editText.length());
                    }
                }).show();
    }

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    overridePendingTransition(0, 0);

    PreferenceManager.setDefaultValues(this, R.xml.settings_xml, false);

    getFragmentManager().beginTransaction()
            .replace(android.R.id.content, new GeneralPreferenceFragment())
            .commit();
}

private void initView(Context context) {
    preferences = PreferenceManager.getDefaultSharedPreferences(context);
    // 初始情况，设置下拉刷新view高度为0
    LayoutParams lp = new LayoutParams(
            LayoutParams.FILL_PARENT, 0);
    mContainer = (LinearLayout) LayoutInflater.from(context).inflate(
            R.layout.lfrecyclerview_header, null);
    addView(mContainer, lp);
    setGravity(Gravity.BOTTOM);

    mArrowImageView = findViewById(R.id.lfrecyclerview_header_arrow);
    mHintTextView = findViewById(R.id.lfrecyclerview_header_hint_textview);
    mProgressBar = findViewById(R.id.lfrecyclerview_header_progressbar);
    lfrecyclerview_header_time= findViewById(R.id.lfrecyclerview_header_time);

    mRotateUpAnim = new RotateAnimation(0.0f, -180.0f,
            Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
            0.5f);
    mRotateUpAnim.setDuration(ROTATE_ANIM_DURATION);
    mRotateUpAnim.setFillAfter(true);
    mRotateDownAnim = new RotateAnimation(-180.0f, 0.0f,
            Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
            0.5f);
    mRotateDownAnim.setDuration(ROTATE_ANIM_DURATION);
    mRotateDownAnim.setFillAfter(true);

}

@Override
public void onResume() {
    super.onResume();

    //this will refresh the osmdroid configuration on resuming.
    //if you make changes to the configuration, use
    //SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    //Configuration.getInstance().save(this, prefs);
    Configuration.getInstance().load(getDialog().getContext(), PreferenceManager.getDefaultSharedPreferences(getDialog().getContext()));
}

/**
 * Binds a preference's summary to its value. More specifically, when the
 * preference's value is changed, its summary (line of text below the
 * preference title) is updated to reflect the value. The summary is also
 * immediately updated upon calling this method. The exact display format is
 * dependent on the type of preference.
 *
 * @see #sBindPreferenceSummaryToValueListener
 */
private static void bindPreferenceSummaryToValue(Preference 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())
                    .getString(preference.getKey(), ""));
}

@Override
public void onReceive(Context context, Intent intent) {
    if (PreferenceManager.getDefaultSharedPreferences(context.getApplicationContext())
            .getBoolean("key_enable",false)) {
        Utils.setEnable(true, context);
    }
}

@Override
protected void onPreExecute() {
    userClassControl =
            UserClassControl.getInstance(getApplicationContext());
    SharedPreferences session = PreferenceManager
            .getDefaultSharedPreferences(getApplicationContext());
    email = session.getString("userEmail","");
}

/**
 * Resets the location coordinates stores in SharedPreferences.
 *
 * @param context Context used to get the SharedPreferences
 */
public static void resetLocationCoordinates(Context context) {
    SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
    SharedPreferences.Editor editor = sp.edit();

    editor.remove(PREF_COORD_LAT);
    editor.remove(PREF_COORD_LONG);
    editor.apply();
}

/**
 * Returns true if the latitude and longitude values are available. The latitude and
 * longitude will not be available until the lesson where the PlacePicker API is taught.
 *
 * @param context used to get the SharedPreferences
 * @return true if lat/long are saved in SharedPreferences
 */
public static boolean isLocationLatLonAvailable(Context context) {
    SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);

    boolean spContainLatitude = sp.contains(PREF_COORD_LAT);
    boolean spContainLongitude = sp.contains(PREF_COORD_LONG);

    boolean spContainBothLatitudeAndLongitude = false;
    if (spContainLatitude && spContainLongitude) {
        spContainBothLatitudeAndLongitude = true;
    }

    return spContainBothLatitudeAndLongitude;
}

public static boolean isAutosaveEnabled(Context context) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
    return prefs.getBoolean(
            "autosave",
            true
    );
}