Java Preference.getSharedPreferences方法代碼示例

import android.preference.Preference; //導入方法依賴的package包/類
/**
 * 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.
    SharedPreferences prefs = preference.getSharedPreferences();
    Object value;
    if (preference instanceof MultiSelectListPreference) {
        value = prefs.getStringSet(preference.getKey(), new HashSet<String>());
    } else {
        value = prefs.getString(preference.getKey(), "");
    }
    sBindPreferenceSummaryToValueListener.onPreferenceChange(preference, value);
}
 

import android.preference.Preference; //導入方法依賴的package包/類
static void updateCustomInputStylesSummary(final Preference pref) {
    // When we are called from the Settings application but we are not already running, some
    // singleton and utility classes may not have been initialized.  We have to call
    // initialization method of these classes here. See {@link LatinIME#onCreate()}.
    SubtypeLocaleUtils.init(pref.getContext());

    final Resources res = pref.getContext().getResources();
    final SharedPreferences prefs = pref.getSharedPreferences();
    final String prefSubtype = Settings.readPrefAdditionalSubtypes(prefs, res);
    final InputMethodSubtype[] subtypes =
            AdditionalSubtypeUtils.createAdditionalSubtypesArray(prefSubtype);
    final ArrayList<String> subtypeNames = new ArrayList<>();
    for (final InputMethodSubtype subtype : subtypes) {
        subtypeNames.add(SubtypeLocaleUtils.getSubtypeDisplayNameInSystemLocale(subtype));
    }
    // TODO: A delimiter of custom input styles should be localized.
    pref.setSummary(TextUtils.join(", ", subtypeNames));
}
 

import android.preference.Preference; //導入方法依賴的package包/類
@Override
  public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference)
  {
SharedPreferences sp = preference.getSharedPreferences();
boolean ON_OFF = sp.getBoolean("auto_send_message", false);
boolean next_screen = sp.getBoolean("next_screen_checkbox_preference", false);
String text = sp.getString("auto_send_message_text", "");
String listtext = sp.getString("auto_send_message_frequency", "");
return true;
  }
 

import android.preference.Preference; //導入方法依賴的package包/類
@Override
   public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference)
   {
SharedPreferences sp = preference.getSharedPreferences();
boolean ON_OFF = sp.getBoolean("auto_send_message", false);
boolean next_screen = sp.getBoolean("next_screen_checkbox_preference", false);
String text = sp.getString("auto_send_message_text", "");
String listtext = sp.getString("auto_send_message_frequency", "");
return true;
   }