PreferenceFragment.java 文件源码

/**
 * Sets the root of the preference hierarchy that this fragment is showing.
 *
 * @param preferenceScreen The root {@link PreferenceScreen} of the preference hierarchy.
 */
public void setPreferenceScreen(PreferenceScreen preferenceScreen) {
    if (PreferenceManagerCompat.setPreferences(mPreferenceManager, preferenceScreen) && preferenceScreen != null) {
        mHavePrefs = true;
        if (mInitDone) {
            postBindPreferences();
        }
    }
}