PreferenceupdateFragment.java 文件源码

/**
 * Called when the activity is first created.
 */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.prefupdate);

    //NOTE the rest of this code in not necessary, used so you can display current value on the summary line.

    // Get a reference to the preferences, so we can dynamically update the preference screen summary info.
    mEditTextPreference = (EditTextPreference) getPreferenceScreen().findPreference("textPref");
    mListPreference = (ListPreference) getPreferenceScreen().findPreference("list_preference");
    mMultiSelectListPreference = (MultiSelectListPreference) getPreferenceScreen().findPreference("multiselect_key");

}